Our directory features trusted software development companies in California serving San Francisco, Silicon Valley, Los Angeles, and San Diego, with expertise across fintech, healthcare, eCommerce, and startups. Compare firms by pricing, size, and reviews to find the right local partner.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
TouchZen
VerifiedVerified by the DesignRush team for authenticity and credibility.Premiere Mobile Applications
TouchZen Media builds iOS, Android, and Flutter apps using React Native, with 75+ apps launched and 12 featured by Apple and Google. Its team has worked with UCLA and Beachbody. The software development agency is best for startups seeking a senior-only mobile app partner in the $40K-$100K range...
Top Services:
- Mobile App Development
- Product Design
- UI/UX Design
- Design Services
- Web Design
- Show more
- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTouchZen Services
Data sourced from the agency's DesignRush profileUCLA Beachbody FullyRaw by Kristina Children's Hospital Los Angeles Harman/Kardon Amalfi Jets JetBay SHRED Get Cover Cancer Buddy
TouchZen Reviews & Testimonials
Mobile App Development Review from Shaya Ghanouni
The Touchzen team was amazing!! They were always responsive and ready to incorporate our feedback. The quality of their work was great and the tips they gave us during development were extremely helpful. We would gladly work with them again.
Mobile App Development Review from Domenic Fraboni
We couldn't be more pleased with our experience with TouchZen. They took over a bad situation left behind by our previous development team and have been able to continue to build new features while cleaning up the old project. We have been very pleased with their developers responsiveness as well as the project management. I would highly recommend working with them for any of your web or mobile app development needs.
B2C Apps Review from Brett Lassig
We have been extremely impressed with TouchZen's development team behind the Get Cover Mobile App. Their approach has been collaborative, and responsive to the needs of our warranty and claims environment.The app is intuitive for end users while still delivering the robust functionality needed on the backend, especially around claims processing, and real-time updates.Their diligence has made a significant impact. Features like streamlined claim submission, status tracking, have enhanced both customer satisfaction and operational efficiency.Overall, this highly capable and professional development team has delivered quality work and stands behind it. We look forward to continuing to build and scale with them.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
M TECHUB LLC
VerifiedVerified by the DesignRush team for authenticity and credibility.M TECHUB LLC, Where Ideas Become Scalable Digital Products
M TECHUB LLC Leading Mobile App Development & Staff Augmentation Company in the USA...
Top Services:
- Mobile App Development
- Software Development
- Staff Augmentation
- AI Development
- Web Development
- Show more
- Location
- Mountain View, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 25 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsM TECHUB LLC Services
Data sourced from the agency's DesignRush profileVictor Alexandar Oscar Alex Qleever Erzat Roxana Amir Abbas Matt
M TECHUB LLC Reviews & Testimonials
Mobile App Development Review from Amber Irish
M TECHUB LLC developed our logistics mobile app with real-time shipment tracking, driver management, route updates, delivery status, and an admin dashboard. Their team understood the operational needs of the logistics industry and delivered a reliable, easy-to-use solution. Communication was smooth, and we were very satisfied with the final product.
Mobile App Development Review from Olivia Smith
We have worked with M TECHUB LLC as our B2B software development partner on multiple client projects. Their team has supported us with mobile app development, web applications, backend development, and custom software solutions. They are reliable, responsive, and flexible with changing project requirements. M TECHUB LLC has been a valuable development partner, and we highly recommend them for B2B software development and technical outsourcing.
Software Development Review from Victor Lue-Yat
We have been working with M TECHUB since 2023 on software and application development projects, and they have become a valued technology partner to our company. Their team has consistently demonstrated strong technical capabilities, responsiveness, and a genuine commitment to delivering quality work. They communicate well, are receptive to feedback, and work collaboratively with us to solve challenges and continuously improve our applications. What I appreciate most is their reliability and willingness to work through complex requirements rather than simply completing assigned tasks. Over the years, we have developed a strong working relationship and considerable trust in their team. Based on our experience since 2023, I am very comfortable recommending M TECHUB to companies looking for a dependable software development partner.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsProduct Teams On Demand
Right Tail provides a high-performance Product Software Development and IT Staff Augmentation team built for speed, precision, and outcomes. We partner with startups, scale-ups, and enterprise technology companies to design, build, and scale world-class digital products...
Top Services:
- Staff Augmentation
- Software Development
- Mobile App Development
- AI Development
- Blockchain
- Show more
- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsRight Tail Services
Data sourced from the agency's DesignRush profileChia Permuto Capital Albin AI Pent AI Saudi Aramco
Right Tail Reviews & Testimonials
Software Development Review from Mansoor Khan
I am very impressed with the software development services provided by this company. Their team is technically proficient and delivered a high-quality, scalable product that met all our requirements. The code is clean, and the final result exceeded our expectations. Highly recommended for any complex development needs.
Web Design Review from John Fitzpatrick
Right Tail delivered a professional and visually appealing website that aligned perfectly with our brand and business goals. Their team focused on modern design, responsive layouts, and smooth user navigation. Communication throughout the project was clear, and they remained responsive to feedback. The final website performs well across both desktop and mobile devices. Overall, Right Tail provided a reliable and high-quality web design experience.
Software Testing Review from Gohar Asadullah
Right Tail Corp built internal software development tools to automate our enterprise operations, and the experience was outstanding. Their team delivered efficient, well-structured solutions that significantly streamlined our processes. The quality of work, communication, and professionalism throughout the project was exceptional. Highly recommended for any company looking for reliable development partners.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsAi fist design & development company
ZAAG SYSTEMS delivers scalable web, mobile & AI solutions with sleek design, driving business growth for US startups...
Top Services:
- eCommerce Development
- AI Development
- Web Development
- Software Development
- Web Design
- Show more
- Location
- Santa Clara, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 17 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsZAAG SYSTEMS Services
Data sourced from the agency's DesignRush profileGoldenmark (USA) New York City Pest control elimination (USA) Ascend Technology Inc. (USA) Inten-Ls (USA) Mustafiz Foundation (USA) Shore Teams (Neatherland) Mangtas (Singapore) CROSSMARKET (Germany) Eigenart E.k (Germany) KADAD (Quatar)
ZAAG SYSTEMS Reviews & Testimonials
Mobile App Development Review from Dr.Laine Powell
We hired ZAAG System Ltd to achieve several objectives, primarily to develop a cutting-edge mobile app for Tech Sassy Girlz. Our goals included enhancing user engagement, streamlining processes, and ultimately expanding our digital presence. ZAAG System Ltd demonstrated exceptional expertise in understanding our requirements and translating them into a comprehensive scope of work. Within just a week of project initiation, ZAAG System Ltd showcased tangible results, including increased user engagement metrics, such as longer session durations and higher retention rates. They consistently delivered milestones on time, adhering to the agreed-upon timeline without compromising on quality. Their team displayed a remarkable blend of technical proficiency, creativity, and dedication, resulting in a mobile app that exceeded our expectations. Overall, ZAAG System Ltd proved to be an invaluable partner in our journey to revolutionize digital education for young women. We wholeheartedly recommend ZAAG System Ltd to any organization seeking top-notch mobile app development services.
eCommerce Development Review from Robb Fahrion
We were creating a product in the advertising technology environment. It was a product for publishers to improve their revenue by making a dynamic inventory on their side and getting more income out of their advertising. We needed help with the recruitment of an outsourced, part-time frontend developer with broad experience and availability.
Web Design Review from Isabella Susan
From start to finish, our team at Zaag Systems Ltd., led by Tony, Don, and Mike, was a pleasure to work with. Their approach to web design and development is both collaborative and consultative. They took the time to understand our business needs and goals and provided expert guidance on the best strategies.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsLet's Uncover The Next Big Cross-Platform App Together
CMOLDS is a custom software and mobile app development company specializing in digital transformation consultancy and products including websites, Android and iOS apps, mobile games, B2B portals, and SaaS...
Top Services:
- Mobile App Development
- Software Development
- Blockchain
- Web Development
- UI/UX Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 20 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCMOLDS Services
Data sourced from the agency's DesignRush profileWho's My Mutter Go Trail Cinderly
CMOLDS Reviews & Testimonials
Mobile App Development Review from Tayyab Mehmood
Choosing this app development company was a decision we'll never regret. Their team's expertise, combined with clear communication and efficient project management, ensured a smooth development process. The end result? A high-quality app that perfectly aligns with our vision.
jjkschwind's Review Sourced from Google
As a client, my experience working with CMOLDS has been extremely positive. From the very beginning, the team demonstrated professionalism, transparency, and a clear understanding of my project requirements. They made the entire development process smooth and well-organized, which gave me a lot of confidence in their capabilities.I would especially like to highlight the efforts of the Project Manager Hamza K. and the Project Management Officer Imaad Alm. Both have been exceptional in managing the project. Hamza ensured day-to-day communication was clear and timely, while Imaad provided strong oversight and strategic direction. Their coordination, responsiveness, and problem-solving approach truly made a difference in the success of the project.What stood out the most was their commitment to delivering quality work while keeping me involved at every stage. Any concerns or feedback I had were addressed promptly, and the team always maintained a client-first approach.Overall, CMOLDS is a dependable and professional technology partner. I highly recommend them to anyone looking for a team that values quality, communication, and client satisfaction.
delmon david's Review Sourced from Google
CMOLDS was great to work with. Roman and his team are excellent professional and very skilled at app development. They understood our requirements well and delivered high quality work on time.The process was smooth, communication was clear, and post launch support was reliable. I highly recommend CMOLDS to anyone looking for a trusted app development company.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsEnvision Leverage Infinite
A global technology outsourcing and custom Development Company with expertise into diverse Web Development, Custom Software and Mobile Applications...
Top Services:
- Mobile App Development
- Web Development
- WordPress Website Design
- Web Design
- eCommerce Development
- Show more
- Location
- Temecula, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 38 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCmarix Services
Data sourced from the agency's DesignRush profileSubway MayoStreet Bharat Petroleum Schneider Electric JaraPlus Vezeeta Checkin CapitalOne TechData GENERALI
Cmarix Reviews & Testimonials
Web Development Review from Mohammed Afnan Shaikh
I recently worked with CMARIX to develop an ecommerce website for my clothing brand, Aven Style, and it was a good experience overall. The team was easy to communicate with and really took the time to understand my needs. They created a site that looks great and functions well, making it easy for my customers to shop. Ive already received some positive feedback, and I feel confident moving forward. If youre looking for someone to help with ecommerce development, Id recommend checking them out.
Web Design Review from Bharati Kakadiya
We came across CMARIX through a mutual friend who had worked with them and had given a reference. We were looking for agency to design and develop our website and were looking for someone who had sharp UI/UX expertise. Looking at their dribble portfolio we knew we wanted to work with them since they were not just doing designs but solving aesthetic problem and increasing user conversions. We were extremely happy with our work experience and would definitely give them 5 star for that collaboratio
Outsourcing Review from Mary Allen (L.I.O.N)
I have been working with CMARIX for over 2 years now. I absolutely love this company, the team, the code, designs, the way they communicate, just everything about them. I would recommend them to anyone. If you want high quality, great communication and an all star team, you found the one.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsIT Solutions for Promising Businesses
We are a full-cycle IT development company that designs and creates perfect solutions based in the US with HQ in Walnut, California. Our experience in diverse marketplaces allows us to offer high-level service to our clients with a clear understanding of their need for flexibility, speed, and agility...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- UI/UX Design
- Web Development
- Show more
- Location
- Walnut, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsPtolemay Services
Data sourced from the agency's DesignRush profileSamsung Knauf Tilda RetailCRM Coca-Cola Roonyx INC Sola Technaxis Arsidian LLC Cumulative Business Solutions LLC Tegen LLC
Ptolemay Reviews & Testimonials
Mobile App Development Review from Vladimir Drogan
They are the top app developers Ive ever worked withI'm most impressed with Ptolemay's ability to properly plan the process, manage their work, and communicate early about what it will take. They're clearly experienced, understand what's needed, and are truthful and honest about it. With Ptolemay, I don't have to worry about the ongoing process since all updates are easy to access.
Mobile App Development Review from Ekaterina Rebus
They are true experts in mobile app development!The most important thing to us when working with any company is that they take responsibility for the work they do and show a high level of expertise in their field. We have never worked with a company that has demonstrated such dedication to their craft as Ptolemay. They have always shown up prepared and ready to get started on the project at hand, and they have even gone above and beyond in order to produce exceptional products.
Анастасия Головенко's Review Sourced from Google
We cooperate with Ptolemay for the last couple of years in terms of outstaffing demands. As we have already worked on more than 6 big projects, they have proven themselves as a reliable partner that provide high quality developers. Despite the difficulty of the position we need, they are always ready to involve their team to help us cover the demand. Even though any cooperation tend to have its own issues and misunderstanding, the Ptolemays’ team has always been open for resolving problems and finding compromise
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsTop AI, Mobility, and IoT Software Consulting and Development Agency
Fusion Informatics is a leading software development and consulting company specializing in AI & IoT, helping businesses enhance Customer Experience, achieve Operational Excellence, and drive Digital Transformation. We deliver cutting-edge digital solutions ranging from AI and IoT to mobile apps...
Top Services:
- Mobile App Development
- Software Development
- IoT
- AI Development
- Web Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsFusion Informatics Services
Data sourced from the agency's DesignRush profileWorkerAppz Tardebulls Snapzo Othaim Tingg Dineout Bahrain HP RoofAid BPCL Reliance
Fusion Informatics Reviews & Testimonials
PHP Review from Mr Alexi .
Had really good experience working with the Fusion team. Their robust processes and agile methodologies in planning, designing, developing, testing, and reviewing ensures the project is delivered on time. The team guided me through the features, design, technology, and other aspects to make my project successful. I am glad I choose fusion to develop my application.
Web Development Review from Alicia Qin
Ashesh Shah with his company Fusion Informatics company is fraudulent, he took money, didn't keep the contract, didn't complete the project, didn't refund, he didn't feel any sorry about it but threatened me, then disappeared. It is the nightmare every client doesn't want to have, don't use them! If there is an option to choose no star, I would choose no star!
Mobile App Development Review from Fareed Ahamad
I have consulted Fusion informatics to develop a real estate application. They are very professional in the services they offer and the level of excellent patience shown in getting the requirements of my project. They took my idea from concept to implementation and gave me what I expected. The team is very supportive and responsive and I am fully impressed with their service and the quality of work, especially the UI/UX designs of the application and I got a positive response from my customers.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsAI-Native Product Engineering Company
Developer Bazaar Technologies is a Top AI Development company building custom Mobile App & Software Development and specializing in building AI Solutions delivering mesurable outcome...
Top Services:
- Mobile App Development
- eCommerce Development
- Software Development
- IT Services
- Staff Augmentation
- Show more
- Location
- Fremont, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDeveloper Bazaar Technologies Services
Data sourced from the agency's DesignRush profileupGrad InfoBeans Low's Pro Supply GPT Group 2030 Ventures Kwiki Sweeps Creative soul Disruptors Capital ASTE Motori
Developer Bazaar Technologies Reviews & Testimonials
Mobile App Development Review from Sakshi Jain
We collaborated with Developer Bazaar Technology to build an on-demand service app and were impressed by their expertise, timely delivery, and seamless communication. Using Flutter, they developed a user-friendly, feature-rich app tailored to our needs, with excellent post-launch support ensuring smooth operations. The app has enhanced our efficiency and customer satisfaction, and we highly recommend them for quality app development.
Mobile App Development Review from SHIVMOHAN MISHRA
The projects success was evident through several measurable outcomes. Post-launch, we observed a significant increase in user engagement and a growing number of service bookings through the app. User feedback was overwhelmingly positive, highlighting the apps ease of use and the convenience it provided
Mobile App Development Review from Ashish Sharma
We hired Developer Bazaar Technologies to develop a user-friendly and efficient car rental app using Flutter to streamline our car rental operations and enhance customer experience.The scope of work included developing a cross-platform car rental app using Flutter, which involved creating user registration and login features, car listing and booking functionalities, payment gateway integration, real-time GPS tracking, and an admin panel for managing bookings and customer data. Key deliverables included the fully functional app, comprehensive testing, and post-launch support.The measurable outcomes included a significant increase in online bookings, positive user feedback on app usability, and a reduction in manual processing time for car rentals. The app achieved a 4.8-star rating on app stores within the first three months of launch.Their project management was excellent. They delivered all milestones on time and were very responsive to our needs, providing regular updates and promptly addressing any issues that arose during development.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsRanked #1 Software & App Development Company
Vrinsoft is the most promising IT solution providing company, based in India which is a one-stop shop for all your business needs. We are a Microsoft certified IT company, which besides rendering professional and comprehensive business solutions also cater a range of services in mobile technologies...
Top Services:
- Mobile App Development
- Software Development
- Web Design
- Web Development
- eCommerce Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsVrinsoft Technology Services
Data sourced from the agency's DesignRush profileMitsubishi Porsche WonUp Good Human RockVal Nejree Fortinet The Royal Children's Hospital Ubuy Amazon CJ Bio America
Vrinsoft Technology Reviews & Testimonials
Software Development Review from Fahad Khan
I recently had the pleasure of working with Vrinsoft Technology for my software development project, and I must say, the experience has been nothing short of outstanding. From the very beginning, their team demonstrated utmost professionalism, expertise, and a genuine commitment to delivering high-quality solutions. I am delighted to share my positive experience with this exceptional software development company.
Mobile App Development Review from Binny ronald
We finally collaborated with Vrinsoft Pvt Ltd after conducting extensive research, and we are delighted that we did. We are quite pleased with the outcomes the experts provided us. They were highly knowledgeable and skillful in creating a mobile app by implementing their unique technologies and current trends. If you're searching for a company that offers excellence, knowledge, expertise, and experience, Vrinsoft Pvt. Ltd. is the ideal choice.
Desigirl Patel's Review Sourced from Google
Joining Vrinsoft teams to be a good decision for me. The work culture is friendly, and everyone is great to help.They also offer a good work-life balance, which is rare these days. I look forward to my future here. Best it company in Ahmedabad ❤️
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsTransforming businesses with custom AI development
Xicom has been building software and mobile apps that moves businesses forward. Over 20+ years, we have grown into a trusted AI development company, delivering 1800+ projects to 750+ clients across 50+ countries, including startups, SMBs, and enterprises...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- Web Development
- eCommerce Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsXicom Services
Data sourced from the agency's DesignRush profileJobMinglr TodayFit KIA Disney Adidas GoGmGO Tap Retail IELTS FlirtFlex
Xicom Reviews & Testimonials
Software Development Review from Ali Rashid
Xicom has been a strong partner for the last five years that we have hired them for varied projects in iPhone app development and Android app development as well. The Xicom team is technically professional and knows about the current trends in the mobile app development market.
Jasper.B Stewart's Review Sourced from Google
I started with just an idea and no technical background, but the team made the entire process smooth and easy to understand their expert team guided me through every stage, handled the planning and billing clearly and professionally. The app they developd for my business now helps us manage online customer bookings efficiently and saves our team hours every week. It’s been a great experience working with Xicom.
Roger T. Oliver's Review Sourced from Google
partnering with Xicom for AI development services was an excellent experience. Their team demonstrated strong technical expertise, transparent communication, and a clear understanding of our business goals from the very beginning, they quickly adapted to our evolving requirements and delivered a scalable AI solution on time and within budget. especially appreciated their honest recommendations, which helped us focus on the features that truly added value. highly recommended for reliable and future-ready AI development solutions.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsProducts And Experiences Should Be Enjoyable
Marker Seven designs and delivers production-ready connected systems and enterprise-grade digital platforms, helping teams take complex, device-backed and AI-enabled ideas from prototype to reliable, real-world solutions...
Top Services:
- Product Design
- Software Development
- UI/UX Design
- Digital Strategy
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsMarker Seven Services
Data sourced from the agency's DesignRush profileToyota Bank of America Simulation Plus Adobe Paypal Accuray City of San Francisco UCSF Kaiser Permanente Blue Shield of CA
Innovative Web & Custom Soft Development Solutions
DESIGN, DEVELOP, DEPLOY!!! The PRIME is a team of highly skilled and experienced professionals in the field of Web Development and Custom Software Development PRIME means - Punctuality, Quickness, Honesty and Professional work! WE HAVE GOT YOU COVERED!!!...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- Web Design
- UI/UX Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsPRIME IT Services
Data sourced from the agency's DesignRush profileStichting International Youth Bridges Global Business Vectrium SABEL - The Conscious Glitterati 90MinFoot Apex Law Group
Developing The Best Mobile Apps
Appingine is a top app development company in the U.S., known for turning bold ideas into powerful mobile experiences. We create award-winning apps that consistently earn recognition and visibility on the App Store and Google Play. Our team is dedicated to delivering high-quality, user-focused solutions that...
Top Services:
- Mobile App Development
- AI Development
- VR/AR
- Web Development
- Blockchain
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAppingine Services
Data sourced from the agency's DesignRush profileAldi Gousto Smart News Fitvate
Appingine Reviews & Testimonials
David Dorough's Review Sourced from Google
I read reviews of almost 100 companies and spoke with reps from 5 before finally going with Appingine for my first app. I'm sure you can pay more for less quality from a different company but why would you? They were easy to work with and quick to respond to questions. They split the charges by stage of development like every professional company should.I needed to make several changes during development and the cost was reasonable. Anthony was awesome and helped me along every step of the way. Apple has more stringent requirements than Google and Appingine was able to get the app published on both stores. Looking forward to more projects with them. Once again, don't pay more for less, go with Appingine!
njoku cornelius chibuike's Review Sourced from Google
I highly recommend Appingine. The company showed high level of professionalism and optimum customer care.the pricing for my project was very decent.the communication during my project was consistent and fruitful.the duration of the project was shorter than i expected. Am so glad the product i got was exactly what i had in mind before going into business with Appingine. Thank you Steven and Jonathan, Great team players, you guys made it happen.am looking forward to doing more business with you and your company.
Megan Miller's Review Sourced from Google
Appingine's team is passionate and smart, always on the cutting edge of their field. Compatibility and fluid project management were the focal points of success in this partnership. Appingine is complimented for bringing strong strategic guidance and design expertise to the table.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsA senior product team, on subscription.
Growing companies that need software built well, without hiring a product organization to do it. One subscription, priced by intensity: Automate for recurring manual work, Build for a priority backlog, Guided when there is no product-management layer. Mobile, IoT, cloud, AI...
Top Services:
- Mobile App Development
- Cloud Consulting
- UI/UX Design
- Product Design
- Digital Strategy
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsClearSummit Services
Data sourced from the agency's DesignRush profileBelkin IPC Corp TuneRegistry Realkey Mitsubishi Sony AvePoint
A boutique web application and website development studio crafting exceptional online experiences.
Ready to bring your idea to life? We'll help plan and develop your next full-featured, data-driven web application. With our expertise in React, Next.js, Vue, and TypeScript, we deliver modern solutions that scale...
Top Services:
- Mobile App Development
- Software Development
- Staff Augmentation
- Location
- San Rafael, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $115/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsThe Component Studio Services
Data sourced from the agency's DesignRush profileRolls Royce IU Health Detour Insurance
The AI Reimagination Company
Techjays is an AI development company helping businesses reimagine how work gets done with AI. Combining AI consulting and AI development services, Techjays identifies high-value business workflows, redesigns processes around AI, and builds production-ready systems that deliver measurable outcomes...
Top Services:
- Software Testing
- Software Development
- Mobile App Development
- Web Development
- UI/UX Design
- Show more
- Location
- Menlo Park, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTechjays Services
Data sourced from the agency's DesignRush profileShipdude Fayvit CloudNine Vidhire Nakkheeran Xtra Curriculum SliverBack CoSell
Techjays Reviews & Testimonials
Larry Miller's Review Sourced from Google
I've used Tech Jays for several projects, I love their work and love working with the team!
Corbin Miller's Review Sourced from Google
I've been working with Techjays since they started and have never been disappointed. On each project I have worked with them they have always delivered on time, on budget and with great quality. They adapt to the needs of the customer and have been in large part, more of a technical co-founder for my start ups. I'll continue to work with them and highly recommend them to anyone!
Jonathan Rodriguez's Review Sourced from Google
We've been working with TechJays the past 18+ months and the outsource experience has been great. They are agile and compared to previous outsource experiences, their competence, quality, and delivery punches above the rest.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsDigital Transformation Agency.
Appinventors stands as a prominent Digital Transformation Agency, enabling businesses to prosper within the contemporary digital landscape. At Appinventors, we pride ourselves on delivering exceptional customer support and assistance. Whether you're facing technical challenges or seeking guidance on your...
Top Services:
- IoT
- Mobile App Development
- Digital Services
- UI/UX Design
- Software Development
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- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAppinventors Inc Services
Data sourced from the agency's DesignRush profileAdidas Subway KFC Jubilant FoodWorks
Let's Build Tomorrow Together.
We are a brand and software development agency specializing in building eCommerce, iOS, and feature-rich websites and apps that move your business forward...
Top Services:
- Product Design
- eCommerce Development
- Web Development
- UI/UX Design
- Web Design
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- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $185/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsbadpixel Services
Data sourced from the agency's DesignRush profileDisney Netflix UnRealSports Peek Travel Klassy The Zeplin Speakeasy KRAK Terpli Inc. TrueCraft Blossom
badpixel Reviews & Testimonials
Jessica Dally's Review Sourced from Google
"We loved working with badpixel!We had already started talking with some potential locations and we needed to quickly establish our logo and branding. With the questionnaire that kicked off our discovery, we were able to capture what we were looking for and it was clearly understood as we went into our first review and really liked what we saw. After a few modifications, we had our logo and style guide allowing us to start working on our social presence while the badpixel team continued to work on our Square website setup.Once the site was ready, they walked us through everything and we were able to jump in and take control! Getting a website up just before the holiday season was huge, it lead to our first sales and profit!"
Charlie Wellborn's Review Sourced from Google
Badpixel did an excellent job developing our site (shophearton.com). They were responsive, communicated consistently with us and our marketing team, and met our aggressive deadline. Thanks Sheila & Chris!
Joemoney 42's Review Sourced from Google
Working with Chris has been so easy and we could not be happier with the branding for our business! Always very personable and responsive to our input. No need to look elsewhere for great branding! Thanks!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews4 Steps to Cloud 9
iCode49 Technolabs Pvt. Ltd. is an AI and digital transformation company delivering AI agents, intelligent automation, custom software, mobile and web applications, and emerging technology solutions. We help businesses modernize operations, solve complex challenges, & build scalable digital products...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- WordPress Website Design
- eCommerce Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsiCode49 Technolabs Private Limited Services
Data sourced from the agency's DesignRush profileSvasthya Heyvenus Diaba Laiibhari Entertainment JIU Asia Tygon Series OTT Singha Asia
iCode49 Technolabs Private Limited Reviews & Testimonials
Patel Vikas's Review Sourced from Google
Excellent company to work with. Great learning opportunities, supportive colleagues, good work culture and exposure to modern technologies. Management values employee growth and encourages continuous learning and teamwork.
Kirti Saraswat's Review Sourced from Google
Excellent work environment with supportive management. The team is friendly, work is well managed, and there are good learning opportunities. Happy to be a part of this organization.
Isha Borad's Review Sourced from Google
Loving the journey so far, the team is super supportive, the energy is great, and every day brings something new to learn. It’s the perfect place to grow and thrive professionally. Grateful to be part of this amazing crew.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsCrafting Online Success Stories, One Pixel At A Time
We take great pride in our work, showcasing resourcefulness and a keen ability to address nuanced challenges. We adeptly tackle issues as they arise, continuously refining our systems to optimize outcomes for our esteemed clients. With extensive experience in remote work environments, we have forged an...
Top Services:
- Web Development
- Mobile App Development
- Location
- San Marcos, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSMV EXPERTS LLC Services
Data sourced from the agency's DesignRush profileTrask Media The Infinite Rock Radiant Greens Signs Den Graphics Inc.
Top Mobile App and Web Development Company in Canada, USA and UK
We design highly polished iPhone, Android and Web Apps for startups and Enterprise clients...
Top Services:
- Mobile App Development
- Web Development
- UI/UX Design
- IoT
- Digital Marketing
- Show more
- Location
- Sunnyvale, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsMobMaxime Services
Data sourced from the agency's DesignRush profileBacsoft Ziptask Clementine
Empowering Businesses Through Innovative Software Development
TechnoBrains Business Solutions is a global software development and AI solutions company founded in 2009, delivering custom web, mobile, AI, and enterprise software solutions for startups, SMEs, and established enterprises worldwide. Headquartered in Ahmedabad, India, with a presence in the United States...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- eCommerce Development
- Web Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTechnoBrains Business Solutions Services
Data sourced from the agency's DesignRush profileeCommerce Industry Fintech Industry Health Care Industry
TechnoBrains Business Solutions Reviews & Testimonials
Amee Brahmbhatt's Review Sourced from Google
I have been working with TechnoBrains, and it has been a great experience overall. The company focuses not only on delivering quality work but also on the continuous growth of its employees.Regular sessions on the latest skills and technologies help us stay updated and improve professionally. Additionally, festival celebrations and team activities create a positive and engaging work environment.It’s a great place to learn, grow, and be part of a supportive team.
kalgi mavani's Review Sourced from Google
Working at TechnoBrains as a Business Development Manager has given me great exposure to technical domains such as AI, open-source technologies, and modern development frameworks.The technical team is knowledgeable, supportive, and always open to collaboration, which makes delivering client solutions smooth and effective.
Vrushika Makwana's Review Sourced from Google
Technobrains Business Solutions is more than just an IT company – it's a strategic partner committed to empowering businesses through technology.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Software Development Companies in California by City
Related Services in California
Software Development Specializations in California
Popular Services
How to Hire a Software Development Company in California
What can California software developers do for businesses?
When businesses work with California agencies, they get access to a deeper innovation ecosystem, stronger specialized talent, and more experience building innovative solutions for high-growth markets.
California remains the undisputed global leader in software production and talent density.
The state is funding projects for software-defined submetering, managed EV charging, and vehicle-to-everything (V2X) platforms.
One 2025 grant approved $693,611 to fund managed charging analysis, and another state-backed project is developing a software-defined submetering solution for EV site hosts.
That points to real depth in energy software, grid tech, and mobility platforms.
For a business owner, hiring software development companies in California means tapping into the world's most stable and well-funded innovation hub.
As of early 2026, California's tech sector contributes approximately $541 billion to the state's economy annually.
This represents nearly 19% of California's total GDP, providing a level of infrastructure and talent density found nowhere else.
In 2026, California developers will become the first truly AI-native workforce.
San Francisco-based companies alone received 34% of all total U.S. AI funding in recent cycles, ensuring that agencies in this region have early access to the most advanced tools and talent.
For example, in 2025, Bay Area AI companies pulled in roughly 76% of the U.S. AI funding, according to industry reports.
About 93% of developers in the region now use AI coding assistants.
AI tools have reduced the time it takes for new engineers to get up to speed on complex codebases, ensuring that if your project needs to scale quickly, the software company can add talent without a significant productivity dip.
Gartner predicts that 40% of enterprise applications will be integrated with task-specific AI agents by the end of 2026.
Software developers in California build autonomous agents that don't just chat but also execute workflows, such as reconciling accounting books, managing supply chain logistics, or providing first-tier customer support without human intervention.
Early adopters of agentic workflows in California report a 25% reduction in operational overhead within the first year of deployment.
Because of the CCPA and SB 942 (AI Transparency), California agencies build innovative solutions with a Privacy by Design philosophy.
This prevents the compliance tax, i.e., the massive cost of re-coding an app later to meet mandatory state privacy standards.
For every $1 spent on high-end California software development, mid-market California businesses report an average 3.5x return on investment (ROI) within 24 months through operational automation and new revenue streams, according to recent industry analysis.
Why should I hire a California-based agency vs. an out-of-state one?
While out-of-state or offshore agencies offer lower rates, a custom software development company in California can be a stronger choice for your business needs if you want a partner with proven expertise that is closer to the state's talent, capital, and regulatory environment.
California's life sciences sector alone included about 16,000 businesses, 70,000 biotech R&D employees, and $60 billion in private investment in 2023.
If your business operates in healthcare, medtech, biotech, or regulated industries, California firms are more likely to understand those workflows and compliance needs.
In 2025, California partnered with Google, Adobe, IBM, and Microsoft to expand access to AI training for over 2 million students across public schools, community colleges, and California State Universities.
For buyers, that means local agencies are hiring from a workforce pipeline being trained around modern AI tools and workflows.
California has the strictest data and AI laws in the U.S.
Hiring locally means your custom software solutions are built to the highest legal standard from day one.
The state employs over 628,400 software developers, which is more than twice as many as Texas, the next closest state.
In 2026, the state announced a $2.75 million CCPA settlement with Disney, the largest CCPA settlement in California history at the time.
If your product handles consumer data, a software developer in CA is more likely to build software having these rules in mind from day one.
California is home to 33 of the world's 50 leading AI companies.
If your project touches AI development, automation, or data-heavy products, software development companies in California are more likely to work in that ecosystem every day.
In 2024, 15.7% of all U.S. AI job postings were in California, versus 8.8% in Texas and 5.8% in New York.
That makes California the deepest single-state market for AI hiring.
According to CalPrivacy, California's privacy regulator reported a $15.8 million budget in 2025, up from $12.8 million in 2024, and 54 positions in 2025, up from 40 in 2024.
That signals a growing compliance and enforcement environment, which is useful if you want a software engineering partner that takes privacy seriously.
California handles more than $675 billion in two-way trade and is the largest importer among the U.S. states.
Agencies in that environment are more likely to have experience with multilingual, cross-border, compliance-sensitive, and high-volume digital systems.
How do I choose the best software development firm in California?
Follow these steps to ensure you choose the best software development company in California for your business needs:
- Start with product fit
Choose a firm that has already built the kind of product you need: SaaS, internal tools, AI features, healthcare software, fintech, or eCommerce. Ask for 2-3 recent examples that match your exact use case, tech stack, and compliance needs. - Make privacy and compliance a selection filter
A strong software development firm in CA should be able to explain opt-outs of rules and regulations, consent flows, data minimization, and privacy-by-design in plain English before it writes a line of code. - Check whether the firm can scale with you
The best partner should support growth, maintenance, and hiring transitions. Ask how the agency staffs phases 1, 2, and 3 of growth. - Ask who owns the communication and delivery
Some custom software development companies in California sell senior strategy but push execution elsewhere. Require a named product lead, tech lead, and delivery owner in California or your time zone, plus a written cadence for demos, issue tracking, and risk reporting to ensure timely delivery and top technical expertise. - Use a scorecard before you sign
The safest way to choose is to score each firm on relevant case studies, technical depth, privacy/compliance readiness, team seniority, communication model, maintenance support, and commercial fit. A simple weighted scorecard will help you separate polished sales from real delivery capability.
How can I find the best developers on DesignRush that fit my budget?
We've handpicked a list of our top software development companies in California across price points, so you can identify a vendor within your budget.
| High budget: $50,000 |
|
| Low budget: $25,000-$50,000 |
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Beyond the project budget, our agency directory lets you filter agency profiles by technical expertise, location, agency reviews, client types, and team size.
What questions should I ask a California software development company before hiring one?
Ask a software development company in CA the following questions before you sign the contract:
Relevant Background
- Can you share case studies of past projects similar to mine? What was the business impact?
- Can you provide references from clients operating in my industry?
- How do you stay current with the latest technological and industry trends?
- What distinguishes you from other California software development companies?
Services and Processes
- What development methodology do you use?
- What data privacy and security measures do you undertake?
- How do you ensure compliance with the California Privacy Rights Act (CPRA) and the California Consumer Privacy Act (CCPA)?
- How do you handle sudden issues or changes during the development process?
Related to Your Project
- Who will be on my team? What are their roles and credentials?
- What is your estimated timeline and cost for my project?
- How will you integrate the solution with my existing IT infrastructure?
- Who will own the rights to my tailored software?
Sources
DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:
- Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
- The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.
Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
4.8
4.8Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
6 Frequently Asked Questions About Software Development Companies in California
What services does a software development company in California typically provide?
It offers the following custom software development services:
- Custom software development: Designing, building, and deploying software tailored to specific user needs or business requirements.
- Mobile app development: Building Android and iOS applications that leverage native device features such as Bluetooth, camera, and GPS for enhanced functionality.
- Web app development: Building software that lives on a remote server and is accessed through a web browser rather than being downloaded onto a device's hard drive.
- Website development: Designing and developing both the front-end and back-end of a website, with a focus on responsive layouts, intuitive interfaces, and practical features.
- Cloud development: Software developers in California craft bespoke programs that run on cloud environments and allow for secure and easy data retrieval and storage, while offering cloud consulting services too.
- Quality assurance: Conducting rigorous tests to identify and resolve potential issues and ensure the software solutions meet performance standards, user expectations, and regulatory requirements.
- Maintenance and support: Performing software updates to enhance security, functionality, and performance.
How much do these companies charge for software development services?
Software development pricing in California is among the highest in the United States, driven by talent demand in hubs like Silicon Valley, San Jose, and San Francisco. California sits at the top end globally, often 30-70%more expensive than offshore alternatives.
Costs vary widely by experience level, project scope, and specialization.
In top-tier markets, software developers in California charge $160-$275/hr.
Costs by project
- Small projects (MVPs, simple apps): $40,000-$80,000
- Mid-size platforms: $80,000-$150,000
- Complex systems (enterprise, AI, SaaS): $150,000-$300,000+
What is the Privacy by Design requirement in California?
Privacy by Design (PbD) in California is a core regulatory expectation embedded in the California Privacy Rights Act (CPRA) and the California Consumer Privacy Act framework.
Privacy by Design requires software development companies in California to build privacy into systems from the start, not add it later, integrate privacy into software architecture, business processes, and data flows, and consider user privacy at every stage of development and data processing.
This requirement applies to web and mobile applications, data pipelines and analytics systems, and AI and automated decision-making tools.
How long does it take to complete a software development project in California?
The average timeline for a custom software development company in California ranges from 3 to 12 months, depending on the complexity and scope of the project. While AI-augmented development tools have increased coding velocity by nearly 40%, stricter California regulations (like the CCPA and new AI transparency laws) have added mandatory compliance and testing phases that offset those gains.
| Project type | Timeline | Key focus area |
| Minimum Viable Product (MVP) | 3-4 months | Core features only; rapid market entry. |
| Medium complexity SaaS | 6-9 months | API integrations, multi-user roles, and scaling |
| Enterprise-grade systems | 9-18+ months | Legacy migration, high security, and deep compliance. |
| AI-native platforms | 12-24 months | Model training, ADMT audits, and data lineage. |
Can I hire a California agency that uses offshore developers?
Yes, you can. Many top software developers in California use offshore or hybrid teams. In this setup, the agency usually keeps its strategy, design, and project management in California, while teams in Eastern Europe, Latin America, or Southeast Asia handle heavy-duty coding.
While the model is effective, California’s strict laws mean that a software development company in California must be the shield for your business. Even if developers are offshore, they may have access to your users' personal data. Under the 2026 CCPA rules, you must ensure the agency has Data Transfer Agreements in place. The data must be handled as if it never left California.
What is the ADMT regulation?
ADMT stands for Automated Decision-Making Technology. In the context of California law (specifically the CCPA/CPRA), it refers to any technology that uses computation to replace or substantially replace human involvement in making decisions about people.
As of January 1, 2026, new regulations from the California Privacy Protection Agency (CPPA) have officially taken effect, placing strict guardrails on how businesses use these tools. If the software solution you need uses AI to make decisions, a top software development company in California must provide a way for users to opt out and receive an explanation of the logic.
The regulation targets any system, including artificial intelligence, machine learning, and simple algorithms that process personal data to make a significant decision concerning a consumer.
This includes decisions related to:
- Employment: Hiring, compensation, or work allocation.
- Financial Services: Lending, insurance, or credit.
- Essential Services: Housing, healthcare, or education enrollment.
- Criminal Justice: Legal outcomes or profiling.
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