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.
Top US Mobile & Web App Development Agency
AppMakers USA builds custom web, mobile, and SaaS products using React, Node.js, and Flutter, with 400+ apps delivered across fintech, healthcare, and edtech. The software development company is the best fit for startups and SMBs needing a Los Angeles-based partner for MVPs or full-cycle builds...
Top Services:
- Mobile App Development
- UI/UX Design
- AI Development
- Software Development
- Web Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 83 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAppMakers USA Services
Data sourced from the agency's DesignRush profileCVS Pharmacy Austin Ekeler (NFL Player) ClassCalc Number Hive BookClub Arcxis Debate club Bayut Los Angeles Apparel Sun Scooter
AppMakers USA Reviews & Testimonials
Small Business Review from Yaakov Babani
I work in client partnerships and one of the hardest things is remembering the context behind every relationship when you have a lot of them going at once. AppMakers NY created a better way to do that. At one point there was a client that had mentioned the same frustration three times and because the notes were scattered around, that pattern was completely missed. That alone made the project worth it. The team helped develop something that would actually be useful during a busy week, not another system people forget to update. I liked working with them and would absolutely use them for future projects.
Mobile App Development Review from Eliana Lubofsky
AppMakers USA was a great experience! The team was professional, responsive, and easy to work with. They understood my ideas and helped turn them into a quality app. I'd definitely recommend AppMakers USA to anyone looking for reliable app development services.
Startup Review from Alexa Ginsberg
What stood out most about working with AppMakers USA was how attentive and helpful the team was throughout the project. They listened to our feedback, kept us updated and were always available when we had questions. Everything was handled professionally and we felt confident that our project was in good hands. Were very pleased with the final outcome!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsDeep tech expertise for SME
Light IT provides the following services on the global tech market:- consulting clients on IT products and services- custom product and software development- provision of resources at the clients' request- software delivery and maintenance- software quality assurance...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- Software Testing
- IT Services
- Show more
- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/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 accountsLight IT Services
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Light IT Reviews & Testimonials
Mobile App Development Review from Andrew Adams
Light IT helped to develop an MVP for our AWS cloud-based SaaS cyber security platform, specifically on iOS. This team did not just do the bare minimum. They thought about the project and how it could be done not only in an efficient manner but what was best for the end-users.
Mobile App Development Review from Anton Gotsulia
We wanted to rebuild our mobile app on React Native and make some functionality updates. Thanks to Light IT’s experience and professionalism, we managed to solve many issues and prevent problems.
Software Development Review from David Yudovich
Our goal was to build a scalable, robust solution based on cloud computing. The software should be able to offer multiple complex services online, including e-commerce and high-performance computing. So we chose Light IT to do the job. 3 words to describe the cooperation process would be flexibility, quality, and responsiveness. We always felt that the project team was working on our behalf, and our tight collaboration produced excellent results.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsLet Us Solve Your Outsourcing Software Needs
Solvd, Inc. is a renowned outsourcing solutions and engineering company specializing in Mobile, Web, and Quality Assurance solutions. With a global presence and a team of over 230 professionals, we serve VC-backed startups, tech companies, and enterprises across various industries. Our flexible approach...
Top Services:
- Mobile App Development
- Software Development
- Web Design
- UI/UX Design
- Web Development
- Show more
- Location
- Roseville, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/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 accountsSolvd Services
Data sourced from the agency's DesignRush profileNerwallet Famous Fitbod Edcast EllieMae
Solvd Reviews & Testimonials
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Software Testing Review from Marina Ryzhikova
According to Marina Ryzhikova of NerdWallet, Solvd is the most well-rounded service provider she has encountered. Solvd's experience and tools sped up NerdWallet's processes and allowed the partnership to hit the ground running. Ryzhikova commends the agency's skilled project management, which had all the necessary resources. (Source: 3rd Party Review Platform)
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Web Development Review from James Minor
James Minor of Acelab commends Solvd's services in delivering an MVP within deadline and budget. As a result, the company was able to work on its portal upload and build a sizable database for its projects. (Source: 3rd Party Review Platform)
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Software Testing Review from Mikita Cherkasau
Mikita Cherkasau of Your Extra Marketer is impressed with Solvd's commitment to innovation and customer satisfaction. Thanks to the agency's reports and recommendations, the client experienced a significant improvement on its website. The agency communicated via email, text messages, and Google Meet. Cherkasau highlights the agency's meticulously managed workflow from start to finish. (Source: 3rd Party Review Platform)
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsAI-Powered Custom Software Solutions
Blackstone helps companies reshape the world through software development supporting them to build solutions that capture new markets, innovate business models, and solve business challenges...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- AI Development
- eCommerce Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 15 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsBlackstone Studio Services
Data sourced from the agency's DesignRush profileHagerty Intrax Ferrari
DigiNeat Smart Technologies
Award WinnerRecipient of a Best Design Award for outstanding work.Innovating Your Digital Future
DigiNeat is a team of professionals who create stunning designs and integrate cutting-edge technologies to increase sales. We help businesses stand out in the online space and attract customers with unique solutions that combine creativity and efficiency...
Top Services:
- Web Development
- Mobile App Development
- Software Development
- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $99/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 accountsDigiNeat Smart Technologies Services
Data sourced from the agency's DesignRush profileMDI Connect UnitBank Orgo Berly Media Cb Line Radio
DigiNeat Smart Technologies Reviews & Testimonials
Mobile App Development Review from Matthew Cifelli
Working with DigiNeat Smart Technologies on our mobile app development project was an excellent experience from start to finish. As a healthcare provider, Attain Physical Therapy needed a solution that was not only functional and reliable but also intuitive for our patients to use. DigiNeat team took the time to fully understand our goals and designed an app that enhances patient engagement while streamlining our communication and scheduling processes.Their professionalism, attention to detail, and clear communication made the entire process smooth and stress free. They offered valuable suggestions that improved both the design and usability of the app, ensuring it truly supports our mission of delivering personalized, patient centered care.We are extremely pleased with the final product and have already received positive feedback from our patients. I would gladly recommend DigiNeat Smart Technologies to any organization seeking an innovative and dependable mobile app development partner.
Mobile App Development Review from Jonathan Bailor
DigiNeat Smart Technologies helped us develop a custom mobile app tailored to the wellness and fitness space. They delivered polished, functional features and kept us updated throughout each phase of development. The team handled last-minute requests smoothly, integrated our feedback effectively, and provided valuable input that improved the overall product.Their approach was professional, timely, and collaborative. We appreciated their ability to balance technical execution with thoughtful insight into user experience and industry relevance.
Yogeshwar Chandrapati's Review Sourced from Google
We partnered with DigiNeat to develop a custom e-commerce platform, and they delivered an exceptional product from start to finish. The website is fast, secure, and optimized for conversions, everything was built with our customers in mind. Since launching the site, we’ve seen a clear increase in traffic and online orders. Their development team is skilled, responsive, and truly understands the goals behind the build. A solid investment that paid off fast.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsGet Started With the Magic of AI Transformation!
Yellow Systems has a track record of assisting Y Combinator startups, Fortune 500 companies, and various clients. Get in touch with us to know more!...
Top Services:
- AI Development
- Software Development
- Staff Augmentation
- Web Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/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 accountsYellow Systems Services
Data sourced from the agency's DesignRush profileWriter AI Meat Eater CHHJ Bionorica US NATP Notion Digital DealStryker Inc. OppSites Drive Focus Separate.us
We Build Games That Players Love.
Double Coconut is a San Franciscobased boutique game development studio founded in 2012. The agency specializes in full-service game design and co-developmentfrom casual mobile and web titles to casino, mid-core, and Web3 games. Their projects have reached over 5 million players and generated...
Top Services:
- Software Development
- Web Design
- Mobile App Development
- Blockchain
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDouble Coconut Services
Data sourced from the agency's DesignRush profileMicrosoft WB Cartoon Network Ellen Degeneres MIT IBM SAP iWin Addicting Games Penn Gaming
Web & Mobile Development | Technical Consulting, Design, and Custom Software
SF AppWorks is a progressive digital agency that helps companies, organizations, and entrepreneurs explore and develop innovative technologies that improve lives. In keeping with the core ethic of innovation, we conceptualize and build stunning digital presences for our partners. Their trust helped us...
Top Services:
- Software Development
- Mobile App Development
- UI/UX Design
- Web Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $75/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 accountsSF AppWorks Services
Data sourced from the agency's DesignRush profileWest Elm J. Crew Georgetown University AARP Boyd Entertainment Covia Golden Globe Awards Protiviti Mobiliti Vanguard Laurel Springs
Open Source Solutions for the Expansive Digital Landscape
We help organizations grow through open-source platforms engineered for performance, longevity, and measurable results designed and built by senior Drupal experts...
Top Services:
- Web Design
- Web Development
- UI/UX Design
- SEO
- Software Development
- Show more
- Location
- Santa Clara, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/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 accountsVardot Services
Data sourced from the agency's DesignRush profileBCG UNICEF Fitness First UNHCR Al Jazeera Media Network Vodafone Modern American School Georgetown University Royal Hashemite Court
Vardot Reviews & Testimonials
Laith Musa's Review Sourced from Google
Insightful articles and valuable services, definitely a role model to all businesses in the MENA region.
Mosab Qaissiah's Review Sourced from Google
Top-notch work on constant basis. They are experts at what they do and it definitely shows.
Joy Curzio's Review Sourced from Google
I’ve been working with Vardot for 2-3 years now, and their level of service is outstanding. From the RFP submission to the monthly maintenance and education, I am constantly impressed with their knowledge, professionalism, and overall high quality of work. They deliver beautiful designs in extremely tight windows—we launched our entirely redesigned site in 6 months!—and for more reasonable fees than other companies. And the fact that they are headquartered in the Middle East allows for a natural 24/7 workflow that you would pay a premium for with other companies. And never once has there been a language barrier with customer service. Five stars out of four!
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 Reviews
Femtomax Inc.
VerifiedVerified by the DesignRush team for authenticity and credibility.Technology Solutions for You.
Access information technology professionals with experience of working with startups to Fortune 500 companies without breaking the bank. Our services are well suited for retail, manufacturing, startups and healthcare businesses. Talk to us for a free consultation...
Top Services:
- Web Development
- Mobile App Development
- Software Development
- IoT
- AI Development
- Show more
- Location
- San Jose, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsFemtomax Inc. Services
Data sourced from the agency's DesignRush profileCeeyes Mobility Solutions Pvt. Ltd. Pioneer Property Zone Idaax Technologies Pvt. Ltd.
Building AI Systems That Actually Scale
Foundrex is an AI software development hand designed for founders, business owners & product teams who need things done right the first time. We build lean, intelligent software: AI-first, production-ready, and engineered to move your business forward...
Top Services:
- AI Development
- Software Development
- Product Design
- Staff Augmentation
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsFoundrex Services
Data sourced from the agency's DesignRush profileStudioIQ Soren AI Voxr AI Comply AI Medlinker SayBriefly Vendoora Leaderforge
Your trusted partner for cutting-edge mobile app development.
Discover innovation and excellence at IMG Global Infotech! Immerse yourself in cutting-edge services and high-quality development solutions that redefine the digital landscape. Our dynamic work environment fosters creativity and collaboration to fuel groundbreaking ideas...
Top Services:
- Mobile App Development
- Web Development
- eCommerce Development
- Software Development
- AI Development
- Show more
- Location
- California City, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsIMG Global Infotech Services
Data sourced from the agency's DesignRush profileAdani Group Hero TATA MyFAB11 TagHawk
IMG Global Infotech Reviews & Testimonials
Ramesh Kumawat's Review Sourced from Google
I had a fantastic experience working with IMG Global Infotech! Their team is highly professional, responsive, and technically sound. They developed a mobile app for my business and delivered it exactly as promised—on time, within budget, and with great quality. The UI/UX was clean, and the functionality exceeded my expectations. I especially appreciate their transparent communication and post-launch support. Highly recommended if you’re looking for a reliable app or web development company in India!
nishi garg's Review Sourced from Google
I've had a great experience working here. The work environment is good and team members are supportive.
Sachin singh Shekhawat's Review Sourced from Google
As a client of IMG, I can confidently say that their IT services are nothing short of exceptional. From the moment we engaged with them, their professionalism and expertise have been evident every step of the way.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsEmpower Your Business With Custom Software, AI, & Nearshore Talent Solutions
Bluelight is a U.S.-headquartered nearshore software development consultancy. Bluelight provides top-tier IT talent from Latin America (and onshore) who are fluent in English, work U.S. business hours, and serve as a cost-effective alternative to U.S.-based hires...
Top Services:
- Software Development
- Software Testing
- AI Development
- Mobile App Development
- Staff Augmentation
- Show more
- Location
- Sacramento, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsBluelight Services
Data sourced from the agency's DesignRush profileAWS Google Cloud Salesforce GoDaddy Deel MGM Resorts International Uber LendSwift Simpleview BMG360
Bluelight Reviews & Testimonials
Nathan Dyer's Review Sourced from Google
As a result of our engagement with Bluelight Consulting, we are saving hours of developer time every week. We are able to deploy several times a day to multiple environments and going forward we’re going to better position ourselves as a company that offers tools that provide timely solutions for our internal users, which is what we pride ourselves on. There has been a tremendous lasting effect without a doubt. They meet set timelines within budget, keep clear communication lines, and are more than ready to address any emerging issues in a timely fashion. You can sense a sincere desire to meet our needs to the letter. It makes a huge difference. I must say we’ve worked with other vendors before where their ego was much bigger than working with us.
Emily Lien's Review Sourced from Google
Our cooperation with Bluelight Consulting worked out very well. Their experts find the right solutions for various problems, they work quickly, provide the right people for each job, and offer valuable suggestions on how to improve the product. Their flexibility and ability to adjust to our situation was the most important factor for the success of the project.
David McCulloh's Review Sourced from Google
After a thorough search for the best DevOps-as-a-Service companies in the US, and based on testimonials from past clients on their website, we felt the Bluelight Consulting team was the right choice to collaborate with on this project. And from the moment we booked a discovery call with them, we knew we had made the right choice. Thank you Bluelight Consulting!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsDeveloping 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 ReviewsDesigning and Development Made Easy
We believe enhanced product designs integrated with advanced technology can significantly propel business growth and market expansion. We're committed to addressing our client's needs, providing unparalleled customer service, and delivering exceptional product quality through cutting-edge technology...
Top Services:
- Software Development
- Mobile App Development
- Web Design
- eCommerce Development
- Web Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsEZ Digital Services
Data sourced from the agency's DesignRush profileEmpowerly Storwind Studios Garrison Collection
EZ Digital Reviews & Testimonials
Byron Shah's Review Sourced from Google
Incredible bowl of green grains with a side of chicken - perfectly executed, delicious and expensive at $35 but worth it.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsFluent In Digital. Focused On Impact
We empower businesses / non-profits / communities with powerful technology solutions that shape their future...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- eCommerce Development
- Blockchain
- Show more
- Location
- Bakersfield, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTurnkey Digital Media Services
Data sourced from the agency's DesignRush profileDMG Media RogerDyson Outpost Castro.fm Arabian Naizak Oil and Gas Company AGF Employment
Turnkey Digital Media Reviews & Testimonials
James Litchfield's Review Sourced from Google
I have worked with TurnKey Digital for two years on projects in my role at Valley Hi Nursing Home in Woodstock, IL. Rob and his team are very professional, prompt, and creative in the way they approach marketing, logo development, digital mapping, and beyond. Rob has helped Valley Hi take its marketing efforts in newer and higher levels, thanks to their field knowledge and customer support. Thanks, Rob & Team!
ReVive Elite Care's Review Sourced from Google
We began working with TurnKey Digital in October, and our website officially launched in April. During our initial search, we spoke directly with the owner, who was knowledgeable and made us feel confident moving forward.Their team was responsive, professional, and highly collaborative throughout the process. As detail-oriented partners, we appreciated their patience and willingness to refine everything until it was exactly right.They delivered a beautiful logo and a cohesive website that truly reflects our brand. We’re extremely happy with the result and would highly recommend Turnkey Digital.
John Tanenbaum's Review Sourced from Google
My experience began in the planning stages back in the early spring of 2025 and every two weeks during the first 2 months we were in contact as the project took shape to develop the website. As the project progressed, we were having either weekly meetings or emails which accelerated the process. The last 6 weeks we were in constant contact, and the final end product was better than what we originally had hoped for our website. I can highly recommend Turnkey Digital to plan and execute your projects too. I am sure we will be utilizing their services in the future. John M. Tanenbaum, Castle Bay Management Services, LLC.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsAI that backs your people. Not replaces them.
Silicon Prime AI is a Stanford-rooted enterprise AI lab building Agentic AI, Generative AI, and custom software since 2011. Our patent-pending Aegis AI methodology helps enterprises ship to production twice a week with zero critical defects proven at BJ's Restaurants across 200+ locations. We don't bolt AI...
Top Services:
- Software Development
- IT Services
- DevOps Consulting
- Web Design
- UI/UX Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSilicon Prime AI Services
Data sourced from the agency's DesignRush profileBJ's Restaurants Bridge Athletic YardClub (Caterpillar) USC Trojans LA Rams
Driving the Digital World Forward
Metamins specializes in creating high-loaded web solutions, mobile applications, and IoT technologies. As a preferred partner for innovation-oriented companies, we provide best-in-class R&D services, extending our clients' reach to millions of users worldwide...
Top Services:
- Wearables
- Software Development
- IoT
- Mobile App Development
- UI/UX Design
- Show more
- Location
- Burlingame, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsMetamins Services
Data sourced from the agency's DesignRush profileNielsen BBDO Mazda Samsung
Senior Product Designers Embedded in Your Team — Design Systems, Staff Augmentation, and Zero-to-One
Forge Studio places senior product designers (L4-L6 caliber) from Coinbase, Roblox, and Instacart directly into your team. Embedded design teams, enterprise design systems, and zero-to-one product design. $9.5M+ in engagements since 2017...
Top Services:
- UI/UX Design
- Web Design
- Product Design
- Digital Strategy
- AI Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/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 accountsForge Studio Services
Data sourced from the agency's DesignRush profileInstacart Coinbase Roblox DoorDash Affirm Robinhood Cruise Airtable Guideline Grammarly
Crafting Emotionally Resonant Products with a Psychology-Driven Approach
RKS Design is an industrial design firm that crafts emotionally resonant products, blending market relevance with brand enhancement. Drawing from our founder's groundbreaking work at Xerox PARC, we employ a unique psychology-driven design approach. With 40 years of experience, we serve clients ranging from...
Top Services:
- Branding
- Product Design
- Digital Marketing
- UI/UX Design
- Digital Strategy
- Show more
- Location
- Thousand Oaks, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/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 accountsRKS Design Services
Data sourced from the agency's DesignRush profileTalis Biomedical Unilever Intel
RKS Design Reviews & Testimonials
Esben Holdt Rude's Review Sourced from Google
RKS makes some really delicious products and everything has been thought of, even the environment. Their facilities here are top notch, so a designer like me can't help but cheer :)
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsTop Augmented Reality & Virtual Reality Agency
An Immersive Media Agency specializing in the development of Extended Reality (XR, AR, VR, MR) experiences driving meaningful connections between brands & consumers. Our global team of skilled designers, artists, and developers craft creative narratives & experiences powered by emerging tech...
Top Services:
- VR/AR
- Web Development
- Mobile App Development
- Product Design
- Web Design
- Show more
- Location
- Culver City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsFishermen Labs Services
Data sourced from the agency's DesignRush profileCBS Coke HTC eBay Giving Keys
From Business Intent To Production-Ready Change
CloudGeometry is a Silicon Valley engineering firm that builds and runs cloud-native platforms, data pipelines, and AI systems for SaaS and enterprise teams. Its AI-MSL offering pairs an AI-driven delivery platform with a managed service: AI agents carry build and maintenance work across the software...
Top Services:
- AI Development
- Managed Services
- Software Development
- Mobile App Development
- Cloud Consulting
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- Location
- Sunnyvale, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCloudGeometry Services
Data sourced from the agency's DesignRush profileEventric FaceUp TetraScience Nanox LangBuilder Digital Remedy
CloudGeometry Reviews & Testimonials
Felix Albert's Review Sourced from Google
CloudGeometry is a team of highly experienced AI & Data consultants. They quickly helped me define a clear roadmap for transforming my real estate platform with AI. Great strategic insights and practical guidance !
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsGlobal IT Solutions
We are a digital transformation consulting and software development company that delivers cutting edge solutions for global organizations and technology startups. Since 2000 we have been helping companies and established brands re-imagine their business through digitization...
Top Services:
- Mobile App Development
- Software Testing
- Software Development
- Web Design
- eCommerce Development
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- Location
- Saratoga, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsPratham Software Services
Data sourced from the agency's DesignRush profileBoston Consulting Group McKinsey Reliance Johnson & Johnson Genpact Cisiv Touch Star Workshare Motorola ALLEN Digital
Top 1% Tech Talent with 1500+ In-house Developers
We don't just build software at Top Remotely we create solutions that work, scale, and impress. With a powerhouse team of 150+ in-house developers, we turn complex challenges into seamless digital experiences. Whether you need custom software, enterprise platforms, or next-gen IT solutions, we bring the Top...
Top Services:
- Mobile App Development
- Software Development
- DevOps Consulting
- IT Services
- Web Development
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- Location
- Los Angeles, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTop Remotely Services
Data sourced from the agency's DesignRush profileBit by Bit Computer Consultants Dante AI Eleks Gun.io Incorporated Andela Intellectsoft Clevertech DevsData Pangea.ai Brainhub
Holistic & Innovative Solutions For Your Business Needs.
Orion eSolutions is not only a one stop shop for technology but also a software boutique specialised in development of web applications, mobile apps, desktop application or customisation of already built technology upto the par of best practice in the market...
Top Services:
- Mobile App Development
- Web Development
- eCommerce Development
- Software Development
- AI Development
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- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsOrion eSolutions Services
Data sourced from the agency's DesignRush profilePeter Fauland Reel Trail Crockett Dunn, LLC Andrew Carlson Omnium Group Corporation Mark Tellarc
Custom Software Solutions That Enhance Your Business
At Solwey Consulting, we are a boutique agency that focuses on our customers' success by delivering excellent work. We understand that the solutions businesses need to function are often complex, which is why we work tirelessly to create simple, effective solutions that meet our clients' needs...
Top Services:
- UI/UX Design
- eCommerce Development
- Web Design
- Web Development
- Software Development
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- Location
- Marina del Rey, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSolwey Consulting Services
Data sourced from the agency's DesignRush profileThe Hair Lab Standards Triangle The Crayon Initiative
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
- Show more
- 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 ReviewsBuilding Smart Enterprise Solutions For Growing Businesses.
ITColark Consulting delivers customized enterprise software and IT solutions that help businesses streamline operations, scale efficiently, and achieve digital growth...
Top Services:
- Mobile App Development
- DevOps Consulting
- IT Services
- eCommerce Development
- AI Development
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- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $11/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsITColark Consulting Services
Data sourced from the agency's DesignRush profileCorporate Services Industry Fintech Industry eCommerce Industry
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 |
|
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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