Our analysts identified the top outsourcing software development companies in California providing cutting-edge services that answer key business problems, from building technical software, designing websites or mobile apps to integrating operating systems and more. Narrow down your search by team size, budget, reviews and more to select the best developer for your company’s needs.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

TouchZen
VerifiedVerified by the DesignRush team for authenticity and credibility.Premiere Mobile Applications
TouchZen Media builds iOS, Android, and Flutter apps using React Native, with 75+ apps launched and 12 featured by Apple and Google. Its team has worked with UCLA and Beachbody. The software development agency is best for startups seeking a senior-only mobile app partner in the $40K-$100K range...
Top Services:
- Mobile App Development
- Product Design
- UI/UX Design
- Design Services
- Web Design
- Show more
- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTouchZen Services
Data sourced from the agency's DesignRush profileUCLA Beachbody FullyRaw by Kristina Children's Hospital Los Angeles Harman/Kardon Amalfi Jets JetBay SHRED Get Cover Cancer Buddy
TouchZen Reviews & Testimonials

Mobile App Development Review from Shaya Ghanouni
The Touchzen team was amazing!! They were always responsive and ready to incorporate our feedback. The quality of their work was great and the tips they gave us during development were extremely helpful. We would gladly work with them again.

Mobile App Development Review from Domenic Fraboni
We couldn't be more pleased with our experience with TouchZen. They took over a bad situation left behind by our previous development team and have been able to continue to build new features while cleaning up the old project. We have been very pleased with their developers responsiveness as well as the project management. I would highly recommend working with them for any of your web or mobile app development needs.

B2C Apps Review from Brett Lassig
We have been extremely impressed with TouchZen's development team behind the Get Cover Mobile App. Their approach has been collaborative, and responsive to the needs of our warranty and claims environment.The app is intuitive for end users while still delivering the robust functionality needed on the backend, especially around claims processing, and real-time updates.Their diligence has made a significant impact. Features like streamlined claim submission, status tracking, have enhanced both customer satisfaction and operational efficiency.Overall, this highly capable and professional development team has delivered quality work and stands behind it. We look forward to continuing to build and scale with them.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsWhen startups and enterprise clients need scalable custom software, HDWEBSOFT delivers web, mobile, and serverless solutions using ReactJs, Angular, .NET Core, Java, and AWS from its Ho Chi Minh headquarters. The 250 - 499 engineer team completed a financial services mobile app using .NET on schedule, a...
Top Services:
- Web Development
- IoT
- Mobile App Development
- Software Development
- Big Data Analytics
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- Location
- Pasadena, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
We take ideas and turn them into software products users love. Whether it's building the next unicorn or reimagining your existing application. We solve real-life challenges through design thinking and game-changing software. Since 2010...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- UI/UX Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 11 Projects Listed
The App Founders is a recognized leader in the mobile app development industry that excels in building mobile apps to upscale your business and bolster your customer retention rate. Well transform your idea into a market-ready application on schedule and within budget...
Top Services:
- Mobile App Development
- Software Development
- eCommerce Development
- Product Design
- CRM Consulting
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- Location
- Santa Clara, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
A team of Tech-savants focused on simplifying complexities in the technology realm. We combine our technical expertise with product mindset that helps Enterprises to strengthen and transform their business by providing state-of-the art software development services...
Top Services:
- Software Development
- Mobile App Development
- Blockchain
- Software Testing
- AI Development
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- Location
- Fremont, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
Our PORTFOLIO INCLUDES marketplaces, e-commerce, workflow automations, AI assistants, corporate websites, banking apps, data warehouse initiatives, and more...
Top Services:
- AI Development
- Web Development
- eCommerce Development
- Software Development
- Web Design
- Show more
- Location
- San Mateo, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $37/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
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