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.
Decades of Experience, Building Platforms for the Worlds Top Brands - USA & Canada
Essential Designs builds custom web and mobile applications using React, React Native, Laravel, and AWS, following an Agile sprint model. Its work spans real estate and similar SMB sectors. A good fit for small to mid-sized businesses seeking cost-certainty on a defined-scope software project...
Top Services:
- Software Development
- Mobile App Development
- UI/UX Design
- Web Development
- IT Services
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 21 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsEssential Designs Services
Data sourced from the agency's DesignRush profileTeck Honeywell BMW Lifeguard Government of Canada
Essential Designs Reviews & Testimonials

Web Development Review from Chris Bailey
I engaged their web-development team to rebuild and modernize our company's manufacturing website, and the experience has been exceptional. From the outset, communication was clear and responsive: they took time to understand our industry-specific compliance needs and translated them into a site structure that is clean, secure, and easy to navigate. Delivery was on schedule, and the final result exceeded expectations pages load quickly, the design feels professional and trustworthy, and the content layout supports clarity for both clients and regulators.In addition, the team proactively suggested helpful enhancements: mobile optimization, streamlined navigation, and improved documentation pages all of which have already resulted in noticeably increased user engagement and lower bounce rates. They handled feedback promptly and implemented corrections without fuss, making the collaboration smooth and efficient.Overall, this project added significant value to our online presence, giving us a polished, modern website that accurately reflects our manufacturing standards and commitment to quality. I would gladly work with them again and recommend their services to anyone seeking reliable web development for regulated-industry clients.

Web Development Review from Kendall MacNabb
We needed to have a custom guest communication platform built, due to our custom workflows at the business, connecting our team members with text, images, buildings and daily project tasks. Essential Designs was able to hit the exact deadline we had, to the day, and completed on budget. We continue to add on features, it's a good relationship.

Mobile App Development Review from Emilie H
The Essential Designs team's proactive approach to acknowledging their strengths and weaknesses not only enhances their performance but also fosters a culture of continuous improvement. Their fearlessness in tackling challenges is matched by their ability to successfully fulfill even the most demanding requirements. Beyond mere competence, the team's innovative spirit and enduring passion make them valuable and committed long-term collaborators. Their dedication to excellence sets them apart, ensuring a dynamic and mutually beneficial partnership.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Talentica Software
VerifiedVerified by the DesignRush team for authenticity and credibility.Building Products AI-Native Way
Talentica offers product engineering, with a playbook-driven approach refined across more than 200 products over 22 years. Its 200+ GenAI-certified developers deployed AI features in 60% of products. Recommended for startups and SaaS companies needing MVP development, AI integration, or product scaling...
Top Services:
- Software Development
- AI Development
- IT Services
- Big Data Analytics
- Blockchain
- Show more
- Location
- Pleasanton, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTalentica Software Services
Data sourced from the agency's DesignRush profileWideorbit Sema4.AI Realization Technologies Inc. TailoredMail StructuredWeb Inc Amplify Mist Systems (Juniper Company)
Talentica Software Reviews & Testimonials

Software Development Review from Ashish Sharma
Talentica has proven to be an exceptional software outsourcing partner, consistently exceeding expectations in both the quality of their resources, deliverables and their commitment to our success. They function not merely as a vendor, but as an extension of our core engineering team.Key Highlights of our Partnership:High Resource Quality: The engineers provided by Talentica are technically strong and highly competent. They integrate seamlessly with our internal teams and quickly take ownership of complex projects.Commitment and Reliability: Talentica is a truly reliable partner that consistently demonstrates a strong willingness to go beyond the standard scope of work. They proactively identify risks and contribute innovative solutions.Critical Project Support: Their expertise was pivotal in two critical areas:Data Pipeline & Reporting: They were instrumental in both enhancing and maintaining a reliable data pipeline & reporting infrastructure. Software Upgrades: They managed challenging, large-scale software upgrades, ensuring we successfully transitioned to modern technology stacks with minimal disruption.Overall, Talentica is a dependable and high-value partner assisting our mission-critical projects.

Software Development Review from Anonymous
We had created a conceptual framework to authenticate and verify the provenance, transaction history, and authorship of blockchain-based NFTs. Talentica was brought on board to test and refine the concept from both functional and engineering perspectives, and later to build a Minimum Viable Product (MVP) aligned with the agreed specifications and constraints.

Software Development Review from Anonymous
For several years, the team was composed entirely of Talentica contractors. Since January 2022, I have been directly managing them. The Talentica team handled the admin tooling backend, which included multiple Python Flask services with Postgres and Elasticsearch. These services operated in a service-oriented architecture deployed on Kubernetes, using Istio for service mesh and Spinnaker for deployments.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsReforming Tomorrow's Tech
Empowering California Businesses with Bespoke Web Design and Development Services...
Top Services:
- Web Development
- eCommerce Development
- WordPress Website Design
- Mobile App Development
- Software Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 11 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTech Reforms Services
Data sourced from the agency's DesignRush profileJacobs Financial Consulting & Monitoring LLC Excavating & More LLC Heise Games
Tech Reforms Reviews & Testimonials

Web Design Review from Ravi Polishetty
At Tech Reform, the project management has been outstanding. Working with Sarah and Sean and the rest of the team has been a delight. Kelsey performed admirably as well. The entire procedure went smoothly because of their regular and clear communication. They made sure we stayed on schedule by staying on top of deadlines and financial restrictions. Although email was our primary method of communication, we occasionally used phone conversations and Google Meet meetings. From beginning to end, everything went smoothly.

Web Development Review from Mika DIOL
Tech Reform was a superb project manager. The process ran well, with prompt updates and transparent communication. We held frequent meetings and check-ins to make sure everything was proceeding as planned. The procedure went according to plan; there were no issues or hitches.

Web Development Review from Sergiu Bekchiu
Tech Reforms was deeply and completely involved. We started with a discovery process in which they took the time to comprehend our objectives, demands, and brand nuances. This first stage made sure everyone was in agreement and laid the groundwork for the project.Following the conclusion of the discovery phase, we proceeded with the real website build-out. Tech Reform created a website with WordPress that effortlessly incorporated our own branding aspects with the online presence of our headquarters. They carefully considered the distinctive elements we wished to include, ensuring that our website was distinctive in and of itself.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsThe B2B Digital Brand Experience Agency.
Technology-led digital brand experiences...
Top Services:
- Web Design
- Web Development
- Branding
- Graphic Design
- UI/UX Design
- Show more
- Location
- San Jose, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $125/hr
- Portfolios Count
- 24 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsClear Digital Services
Data sourced from the agency's DesignRush profileHabu Surescripts Viral Nation Cisco McAfee Couchbase DataStax Stanford University Cohesity Facebook
Clear Digital Reviews & Testimonials
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Web Development Review from Hijinio Reynoso
I've had the great experience of partnering with the WebEnertia team. From the service to the knowledge, they have consistently gone above and beyond demonstrating a sense of quality for large projects (site rebuilds) and small (ongoing maintenance). Thank you!

Digital Marketing Review from Deborah Shaw
Starting a new nonprofit org was a learning experience. WebEnertia embraced our mission with a creative, clear, and effective website design and brand. As a result, we are inspiring stroke survivors to improve their quality of life.

Web Development Review from Shikha Rudra
Webenertia is extremely focussed on customer satisfaction. They listen carefully to the user needs and respond with meaningful insights that help driving customer business goals as well as enables the team to make more informed decisions.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsFull Stack Digital Product Development Company
DigiTrends is a full-stack digital agency with a strong mission to digitize various sectors, ranging from Pharma and Fintech to e-commerce and retail. With proven experience and expertise, we have earned the trust of over 600+ brands, including globally renowned enterprises and fortune 500 companies...
Top Services:
- Mobile App Development
- Web Development
- eCommerce Development
- VR/AR
- Web Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 21 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDigiTrends Services
Data sourced from the agency's DesignRush profileGSK Nestle Abbott Sanofi Pfizer Bill & Melinda Foundation Government of Pakistan Novo Nordisk Roche Novartis
DigiTrends Reviews & Testimonials

Mobile App Development Review from Dr Saima Asif
It was a wonderful experience with Digitrends. I appreciate their amazing work in leading and shaping health technology. No doubt, the entire team worked with dedication and commitment for [the] timely management of the project. (Verified via email)

Mobile App Development Review from Shahzaib Shah
Our goal was to create a mobile app that would improve self-care management for all women and provide them with access to necessary and affordably priced personal care items. DigiTrends application was successful in providing important details, raising health awareness and instructing women on how to improve their hygiene. They handled problems methodically and their competence and effective management style stood out above all else.

Web Development Review from Shahzaib Shah
Pakistan Beat's mission and vision are to present intriguing, unique stories that will make people think. We needed a platform to share news and information with everyone.DigiTrends quickly delivered a userfriendly website and we were very pleased with the deliverables and impressed by the collaboration as their team of service providers was open, efficient, and communicative.Due to the complete transparency of the entire process, there were no obstacles throughout development or communication
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsInvested in Your Success
Tepia is a software company founded in 2012 with over 30 years of experience in web and mobile app development. We are a passionate and agile team of developers, designers, and strategists who are consistently pushing the boundaries of technology...
Top Services:
- Mobile App Development
- eCommerce Development
- Software Testing
- Software Development
- UI/UX Design
- Show more
- Location
- Costa Mesa, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 2 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTepia Services
Data sourced from the agency's DesignRush profileMarugame Udon MicroVention Henry Schein Meta Irvine Company Participant Media Pujol's Foundation MoodMe RELI Solutions Inc. SleepCenter of Nevada
Tepia Reviews & Testimonials

Mobile App Development Review from Dr. Lesley Kirkpatrick, MD
I had a great experience working with Tepia. Abraham, the Founder and CEO, was available, helpful, and actively involved throughout every stage of the process. Kimmy, my assigned project manager, was organized, responsive, and clear in her communication from start to finish.They anticipated potential obstacles before they became issues and approached everything with a thoughtful, solutions-oriented mindset. The team was consistently proactive, professional, and transparent. I truly appreciated their structure and ability to keep things moving smoothly. I would highly recommend working with Tepia.

Mobile App Development Review from Robert Beknazarian
Working with Tepia Co has been an exceptional experience from start to finish. They played a critical role in developing our mobile app for RELI, and I can confidently say they exceeded our expectations on every levelFrom day one, Tepia demonstrated a deep understanding of both the technical and business sides of app development. They didnt just execute tasks they asked the right questions, challenged assumptions when needed, and helped us think through complex workflows in a way that improved the final product. Their team truly operates as a strategic partner, not just a development vendor The communication was excellent throughout the entire process. We always knew where things stood, timelines were clear, and any issues or changes were handled proactively and transparently. For a project as complex as ours involving pricing logic, user flows, financing options, compliance considerations, and scalability this level of clarity and responsiveness made a huge difference.What really stood out was Tepias attention to detail and commitment to quality. The app they helped build is stable, clean, intuitive, and built with long-term growth in mind. They were thoughtful about architecture, performance, and future enhancements, which is critical for a company like ours that plans to scale aggressively.They were also extremely flexible and patient as our requirements evolved (which happens in real-world startups). Instead of pushing back, they collaborated with us to find smart, efficient solutions that aligned with our vision and budget.If youre a founder or business owner looking for a team that:Truly understands mobile app developmentCommunicates clearly and consistentlyThinks strategically, not just technicallyDelivers high-quality, scalable workI highly recommend Tepia Co without hesitation. They have been a trusted partner in bringing RELI to life, and we look forward to continuing to work with them as we grow

Mobile App Development Review from Ara Agopian
I had a great experience with Tepia on our mobile app development. The project was managed very well and finished on time. Thank you Tepia!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsAI-ready Senior Engineers and Dedicated Teams in ~60 hours
Founder-led IT staff augmentation for small-mid companies. We solve problems you haven't fully scoped yet...
Top Services:
- eCommerce Development
- Software Testing
- AI Development
- Mobile App Development
- Software Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/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 accountsUASOFTDEV Services
Data sourced from the agency's DesignRush profileDwelly Managed IT Experts Hazy
UASOFTDEV Reviews & Testimonials

Software Development Review from Slava Kostiuk
We initially approached UASOFTDEV with a relatively straightforward request: a WordPress website and a Senior React/Node/Python Developer for backend and API development. What impressed us immediately was how quickly they understood our needs and delivered relevant candidates. We received the first 5 candidates within 60 hours, exactly as promised. The developers were skilled, experienced, and cost-efficient, so we decided to continue working with UASOFTDEV. Later, we returned with a much more complex project: an already-live AI beauty ecosystem combining a Smart Mirror, mobile app, AI skin analyzer, and AR makeup. This required a Senior Flutter Engineer who could join an existing team and work with Flutter, Banuba SDK, Java/native technologies, and a production environment. UASOFTDEV matched us with a senior Flutter engineer within 60 hours. He integrated quickly into our existing team and provided the 24/7 production support we needed. During the 5.5-month engagement, we delivered 10+ major features, shipped 15+ releases across 3 product environments, and launched 2 premium subscription features. What we valued most was the consistency of their approach. Production issues and new feature requests were handled quickly, communication was personal and responsive, and the team remained highly engaged throughout both projects. The fact that we came back to UASOFTDEV with a second, significantly more technically demanding AI/AR project is probably the strongest proof of our satisfaction. They successfully scaled from a simple staffing request to supporting a complex live product without losing the same level of responsiveness, quality, and personal attention.

DevOps Consulting Review from Khrystyna Sliana
We hired a DevOps engineer from UASOFTDEV to handle a multi-entity AWS infrastructure split. The project was completed on schedule, with zero downtime and great attention to security and data integrity. Recommended.

Dedicated Team Augmentation Review from Leonid Viktorov
I am the CEO of Biz Adviser, a business consulting company. We work with companies on strategic business initiatives, digital transformation, and improving business performance. We partnered with UASOFTDEV when we urgently needed additional engineering capacity. I was looking for proven senior developers and did not have time to spend weeks sourcing candidates and conducting multiple interviews. UASOFTDEV offered to provide vetted Ukrainian developers within 60 hours, which was exactly what we needed. The team provided senior engineers with strong technical expertise and excellent communication skills. We worked with developers across PHP, Node.js, Python, and React, depending on the project requirements. They were reliable, proactive, and able to understand not only the technical tasks but also the broader business context. The developers contributed to several important initiatives, including the implementation of an AI agent, and helped us move projects forward faster while keeping development costs under control. UASOFTDEV delivered what they promised. The process was straightforward, communication was reliable, and the developers were able to start working quickly without compromising on quality. The pricing was a good fit for our budget, and the overall value for cost was excellent. I also appreciated the cultural fit and the team's ability to communicate effectively and take ownership of their work. I would definitely recommend UASOFTDEV to companies looking for reliable staff augmentation with senior Ukrainian developers. They are a trustworthy partner that can provide strong engineering talent quickly and help businesses deliver important initiatives without the overhead of a lengthy hiring process.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsYour Global Partner for Digital Transformation
Comrax Group is a worldwide development company offering internet solutions, offshore development services, and API solutions. We are dedicated to delivering top-notch services that go beyond client expectations. Our expertise encompasses creating attractive websites, user-friendly web portals, and tailored...
Top Services:
- Web Development
- Web Design
- WordPress Website Design
- UI/UX Design
- Software Development
- Show more
- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $85/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 accountsComrax Services
Data sourced from the agency's DesignRush profileBlackBerry Jewish National Fund BMW Microsoft Isuzu INFINIDAT Fashion TV Suzuki
Comrax Reviews & Testimonials

Web Design Review from Ryan Penn
We engaged Comrax to revamp our website, and their level of professionalism and creativity truly exceeded our expectations. From day one, their team took time to understand our vision, offer insightful recommendations, and keep us updated every step of the way. They not only delivered the project on time but also stayed flexible with our requests for adjustments, ensuring the final result perfectly matched our brand identity.The quality of Comrax's work is outstandingthey crafted an intuitive, visually appealing design that has already garnered positive feedback from our clients. They were consistently responsive throughout the project, which made collaboration seamless and stress-free. We also found their pricing to be fair and transparent, making their services a great value for the results provided.Our entire team is thrilled with the final product, and we look forward to continuing our partnership with Comrax on future initiatives. We highly recommend them to anyone seeking a reliable, innovative web design partner.

Drupal Review from Ran Zahavi
Outstanding Development Partner ComraxAt TechWize, we had the pleasure of partnering with Comrax for the development of three different websites on the Drupal platform. Their expertise in creating robust and user-friendly content management systems (CMS) has significantly enhanced our ability to manage and update our websites seamlessly.From the outset, the Comrax team demonstrated a deep understanding of our requirements, delivering solutions that were not only innovative but also highly tailored to meet our specific business needs. Their knowledge of Drupal allowed for flexible and scalable solutions, enabling us to evolve our websites as our business grew.The communication throughout the project was clear, responsive, and proactive. Comraxs commitment to timelines and quality made the entire process smooth and efficient. The result has been a set of highly functional, visually engaging websites that have greatly improved our online presence.We highly recommend Comrax to any company looking for a top-tier development partner. Their professionalism, technical expertise, and dedication to customer satisfaction are second to none.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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 ReviewsIt All Starts With Choosing the Right Team
OCDLab, based in Irvine, California, specializes in custom web and mobile app development and chatbot solution, offering a team of passionate app developers...
Top Services:
- Mobile App Development
- IoT
- Software Development
- Wearables
- Web Design
- Show more
- Location
- Orange County, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsOCDLab Services
Data sourced from the agency's DesignRush profileYamaha Corporation of America HP Irvine Company Watz Crack'n ByteLaunch .Love TLD .Yoga TLD Threatstream Great Date Arcsight
A 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
Your Dedicated IT Products and Solutions Provider
Headquartered in Sacramento, California, SunstoneIT is a Certified Small Business with a primary focus on providing IT products and solutions to the public sector, as well as private sector companies...
Top Services:
- Mobile App Development
- Managed Services
- IT Services
- Software Development
- Show more
- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSunstoneIT Services
Data sourced from the agency's DesignRush profileSMUD CA Board of Equalization CalSTRS
Beautiful Products That Connect People
Tesuji is a dynamic team of software design and development experts committed to bringing IT products to life, from augmented reality pet games to social platforms for live streaming. As a creative engineering and design agency, Tesuji prioritizes pragmatic construction, employing proven yet modern...
Top Services:
- Blockchain
- VR/AR
- Mobile App Development
- Software Development
- Web Development
- Show more
- Location
- Nevada City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $25,000 - $50,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTesuji Services
Data sourced from the agency's DesignRush profileDanceFight RDC StationHead RidePal Whim
Software Engineering That Creates Value
We're a global team of developers, designers, and problem-solvers creating impactful software since 2007. IT-Dimension builds future-ready software from AI and IoT to mobile, enterprise, and 3D solutions...
Top Services:
- IT Services
- Mobile App Development
- Web Development
- Product Design
- Web Design
- Show more
- Location
- West Hollywood, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $49/hr
- Portfolios Count
- 4 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsIT-Dimension Services
Data sourced from the agency's DesignRush profileIT Industry Fintech Industry Standard Technology
We Elevate Brands From Good to Great.
At AlphaSquad Technologies, we transcend mere development to craft transformative digital experiences. With unmatched proficiency in Web Development and Mobile Application Development, we pave the way toward an innovative, digitally evolved landscape. Our specialization lies in pioneering Website Design...
Top Services:
- Mobile App Development
- Digital Services
- Product Design
- Web Design
- UI/UX Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAlphaSquad Technologies Services
Data sourced from the agency's DesignRush profileSigmaGo Solutions Calonic JoinMil Sunkara Edufeel
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 Reviews
Software Development Companies in California by City
Related Services in California
Software Development Specializations in California
Popular Services
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
Some 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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