Top 100 Software Development Companies in California
The Best of October 2026Looking for a top software developer in California?
As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence.
To assist you in your search for a partner, we’ve compiled this list of the top software development companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Software Developers
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721$1,000+2 - 9 employeesLos Angeles, CAGet Logo Now, a web design agency, was launched in 2023. Headquartered in Los Angeles, California, the team offers Web Design and UX/UI Design.Read More
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722$5,000+2 - 9 employeesSan Diego, CABaur Software, a Digital Strategy company, was established in 2020. The company specializes in Digital Strategy and Artificial Intelligence, and is small.Read More
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723$1,000+2 - 9 employeesBurbank, CAVS DEV, a website development company, is in Burbank, California. They offer Web Development and Custom Software Development and were founded in 2022.Read More
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724Undisclosed50 - 249 employeesPasadena, CAHeadquartered in Pasadena, California, Custom Web Online is a SEO agency. Their services include Search Engine Optimization and Web Design.Read More
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725Undisclosed50 - 249 employeesSan Jose, CADesign Experts Inc is a branding firm based in San Jose, California. The team offers Branding and Custom Software Development.Read More
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726$5,000+10 - 49 employeesCupertino, CARead More
Deemsoft, a software development company, is in Cupertino, California and Bengaluru, India. The small team focuses on custom software development, e-commerce development, Artificial Intelligence, IT strategy consulting, and more and was established in 2007.
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727$25,000+50 - 249 employeesPalo Alto, CASoftware development firm Aligned Code was established in 2013. They are located in Aurora, Colorado; Warszawa, Poland and Palo Alto, California and have a midsize team. Aligned Code offers Custom Software Development, Web Development, Mobile App Development, and Artificial Intelligence.Read More
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McDonald's PepsiCo Nestlé ViasatIndustries
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728$1,000+10 - 49 employeesSan Diego, CARead More
Girolabs is a custom software development company headquartered in Asunción, Paraguay. The firm offers custom software development, e-commerce development, mobile app development, web design, and more and has a small team.The firm was launched in 2013.
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729Undisclosed2 - 9 employeesLancaster, CASimulations Plus is a custom software development firm and IT managed services company. Their team is based in Lancaster, California and offers Custom Software Development and IT managed services.Read More
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730Undisclosed2 - 9 employeesModesto, CAFounded in 2008, External Resources, Inc. Is a small Modesto, California-based custom software development company. Their services include Custom Software Development and Web Development.Read More
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731Undisclosed2 - 9 employeesTemecula, CASirene Solutions is a Temecula, California-based custom software development firm. Founded in 2016, the team specializes in Custom Software Development and Corporate Training & Coaching.Read More
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732Undisclosed2 - 9 employeesEl Segundo, CALaunched in 2009, Ginisis Group Inc. Is a software development firm and Business Consulting company. The team focuses on Custom Software Development and Business Consulting.Read More
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733Undisclosed2 - 9 employeesPasadena, CALaunched in 2020, Elxo Inc. Is a software development company. The team specializes in Custom Software Development and Low/No Code Development.Read More
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734$10,000+10 - 49 employeesLos Angeles, CARead More
Beyond Enterprizes, a small blockchain company, is headquartered in Los Angeles, California; Cluj-Napoca, Romania and București, Romania. They offer blockchain, business consulting, IT strategy consulting, custom software development, and more and were established in 2012.
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735$1,000+2 - 9 employeesLos Angeles, CAGamut Dev is an user experience design agency launched in 2010. The firm offers UX/UI Design and Web Design.Read More
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736$5,000+1,000 - 9,999 employeesSan Francisco, CAFrog, an user experience company, was established in 1969. The team focuses on UX/UI Design and Product Design.Read More
Clients
RevlIndustries
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737$1,000+10 - 49 employeesBeverly Hills, CA360intersys is a branding company. Headquartered in Beverly Hills, California and Beverly Hills, California, their small team provides branding, ux/ui design, graphic design, logo, and more. The agency was established in 2024.Read More
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738$1,000+10 - 49 employeesPasadena, CATechnology Spree is a Business Consulting company. The team focuses on Business Consulting and Custom Software Development, and the agency is located in Kolkata, India and Pasadena, California.Read More
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739$250,000+10 - 49 employeesIrvine, CAVitru AI Consulting, an AI development company, was established in 2020. The small team specializes in Artificial Intelligence and Custom Software Development.Read More
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740$5,000+10 - 49 employeesWalnut Creek, CAMobile application development firm Cros Apps was established in 2019. Located in Walnut Creek, California, the team provides Mobile App Development and Web Development.Read More
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741Undisclosed10 - 49 employeesHighland, CABranding company Website Boulevard focuses on Branding and Web Design. They were founded in 2018.Read More
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742$10,000+10 - 49 employeesSan Francisco, CAHi no code, a website development firm, was established in 2021. The team offers Web Development and Custom Software Development and is located in San Francisco, California.Read More
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743Undisclosed10 - 49 employeesSan Jose, CALaunched in 2020, Western Web Studios is a small social media marketing agency. Their team specializes in Social Media Marketing and Search Engine Optimization.Read More
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744$1,000+10 - 49 employeesIrvine, CAWebsite development firm fyby.io was founded in 2020. The agency specializes in Web Development and E-Commerce Development.Read More
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745$5,000+10 - 49 employeesSacramento, CAXLyncs is a software development firm. They are in Sacramento, California and Lahore, Pakistan, and their services include Custom Software Development and Mobile App Development.Read More
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746$1,000+10 - 49 employeesRancho Cucamonga, CAGENIUSBOTS is a Cybersecurity company. Established in 2023, the team offers Cybersecurity and Content Marketing. The agency is headquartered in Rancho Cucamonga, California.Read More
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747$1,000+10 - 49 employeesModesto, CACode N Design Studios is a Direct Marketing company. They were launched in 2020 and provide Direct Marketing and Social Media Marketing.Read More
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748$10,000+10 - 49 employeesRedlands, CAUSDevBrokers is a Redlands, California-based website development firm. They specialize in Web Development and Mobile App Development.Read More
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749$50,000+10 - 49 employeesLos Angeles, CAMetastability Inc is a custom software development company. The team focuses on Custom Software Development and Mobile App Development, and the firm is in Los Angeles, California.Read More
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750$10,000+10 - 49 employeesRoseville, CAFounded in 2023, WebVello is an AI firm. The team offers Artificial Intelligence and Search Engine Optimization.Read More
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