Top 100 Software Development Companies in California
The Best of July 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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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures, a software development company, is located in Irvine, California. The small team provides Custom Software Development, Mobile App Development, and UX/UI Design and was founded in 2017.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a Medina, Washington-based UX agency. The small team focuses on UX/UI Design, Mobile App Development, Custom Software Development, Web Design, and more and was established in 2001.Read More
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1231$1,000+50 - 249 employeesSaratoga, CARead More
Software Developers, Inc. is a software development company that was founded in 2007. They are headquartered in Saratoga, Calif., with secondary locations in Melbourne, Australia, Mumbai, India, and London, England. The company has 94 employees and specializes in mobile app development, custom software development, and UX/UI design. They serve all levels of clientele in the business services and entertainment industries.
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PepsiIndustries
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1232Undisclosed50 - 249 employeesSan Francisco, CAIn San Francisco, California and Paris, France, TrustInSoft is a midsize data analytics company. Their services include BI & big data consulting & SI and Cybersecurity.Read More
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1233Undisclosed50 - 249 employeesSan Francisco, CAUniform Systems, Inc. Is a CRM consulting and SI company. Based in San Francisco, California and Berlin, Germany, their team focuses on CRM consulting and SI and Custom Software Development.Read More
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1234$10,000+50 - 249 employeesSan Francisco, CAMANGOSOFT is a midsize e-commerce development company in Kyiv, Ukraine; San Francisco, California; Dover, Delaware and Warszawa, Poland. They provide E-Commerce Development, Mobile App Development, Custom Software Development, AI Consulting, and more and were established in 2016.Read More
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MeethoneybeeIndustries
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1235$25,000+50 - 249 employeesSan Francisco, CAMobile app development firm Orangesoft is based in Warszawa, Poland; Sheridan, Wisconsin and San Francisco, California. The midsize company was established in 2011. Their team offers Mobile App Development, Custom Software Development, Web Development, and IoT development.Read More
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Hamleys Yukon Advanced Optics Worldwide CoachNow Liquid BarcodesIndustries
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1236$5,000+2 - 9 employeesLong Beach, CAUP Creative, Inc. Is a Digital Strategy company launched in 2012. The team provides Digital Strategy and Social Media Marketing.Read More
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Century 21Industries
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1237$25,000+250 - 999 employeesAliso Viejo, CAEstablished in 2009, ITRex is an artificial intelligence development company. The firm focuses on Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, IoT development, and more and has a midsize team.Read More
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Dollar Shave ClubIndustries
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1238$50,000+250 - 999 employeesLos Angeles, CANet Solutions, an artificial intelligence firm, was launched in 2000. They are located in Toronto, Canada; Chandigarh, India; London , England and New York, New York and have a midsize team. Net Solutions specializes in Artificial Intelligence, Custom Software Development, and E-Commerce Development.Read More
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MicrosoftIndustries
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1239$5,000+2 - 9 employeesSan Jose, CAPixelwebsource is a small web design agency based in San Jose, California. The team specializes in Web Design and Custom Software Development.Read More
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1240Undisclosed50 - 249 employeesSan Francisco, CAUrtheCast is a custom software development company. Located in Vancouver, Canada and San Francisco, California, the team focuses on Custom Software Development and Mobile App Development.Read More
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1241UndisclosedFreelancer employeesPetaluma, CABased in Petaluma, California, Aztaz Software LLC is an Application Testing company. Their services include Application Testing and Custom Software Development.Read More
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1242Undisclosed50 - 249 employeesSanta Clara, CAFounded in 2007, Neova Solutions is a midsize Santa Clara, California-based Robotics Process Automation company. Their services include Robotics Process Automation and DevOps Managed Services.Read More
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1243Undisclosed10 - 49 employeesPalo Alto, CAUnleash is a small DevOps Managed Services company launched in 2019. Their team provides DevOps Managed Services and Custom Software Development.Read More
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1244$50,000+50 - 249 employeesSan Francisco, CAInVerita is a L'viv, Ukraine-based data analytics company. They provide BI & big data consulting & SI, Artificial Intelligence, and Custom Software Development and were established in 2015.Read More
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Perforce, Methodics, Mediashout, Kroger Group, HILTI, Scrafts, Dilligend, OpenLogic, Perfecto, Government of SA, WGSN, numerous YCombinator-backed startupsIndustries
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1245$1,000+50 - 249 employeesSan Diego, CACallZent is a Market Research company launched in 2023. The company specializes in Market Research, Customer Service Outsourcing, Call Center Services, Custom Software Development, and more and has a midsize team.Read More
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1246$1,000+250 - 999 employeesGlendale, CATechMatter is a midsize IT managed services company. Based in Glendale, California; Pittsburgh, Pennsylvania; Harrow, England and Dubai, United Arab Emirates, the agency was founded in 2017. Their team provides IT managed services, IT staff augmentation, Custom Software Development, Mobile App Development, and more.Read More
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1247$10,000+50 - 249 employeesSan Francisco, CALocated in Mission, Kansas; Atlanta, Georgia; Dallas, Texas and Nashville, Tennessee, SoftDoes is a Generative AI company. The midsize company was launched in 2019. Their services include Generative AI, AI Consulting, Artificial Intelligence, Custom Software Development, and more.Read More
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FMY OrthodonticsIndustries
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1248$10,000+10 - 49 employeesHuntington Beach, CAAlokin is a software development company founded in 2011. Their services include Custom Software Development and Web Development.Read More
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1249$5,000+10 - 49 employeesSan Francisco, CALocated in Milano, Italy and San Francisco, California, WebRatio is a custom software development company. They focus on Custom Software Development and Mobile App Development.Read More
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1250$50,000+250 - 999 employeesPalo Alto, CARead More
InApp was founded in 2000 and currently has 300+ employees. Headquartered in Trivandrum, India, their services include web development, custom software development, and mobile app development. They also have another location in Palo Alto, Calif.
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1251Undisclosed10 - 49 employeesLos Angeles, CAHuman is an Advertising company. They are located in Boulder, Colorado and Los Angeles, California. Their team focuses on Advertising and Custom Software Development.Read More
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1252$5,000+10 - 49 employeesLos Angeles, CAKento Systems is a small Accounting company. Launched in 1990, the team offers Accounting and Branding.Read More
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1253Undisclosed10 - 49 employeesRiverside, CAConstantMD Inc. Is a social media marketing agency. Established in 2010, their team provides Social Media Marketing and Search Engine Optimization.Read More
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1254Undisclosed10 - 49 employeesLong Beach, CAEnsymbios, Inc. Is an IT strategy consulting company. The team offers IT strategy consulting and CRM consulting and SI and is based in Long Beach, California.Read More
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1255Undisclosed10 - 49 employeesLos Angeles, CAFounded in 1991, Sysnet Solutions is a small Los Angeles, California-based cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.Read More
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1256Undisclosed10 - 49 employeesPasadena, CALocated in Pasadena, California, Cybertegic is a small Email Marketing company. Their services include Email Marketing and Search Engine Optimization.Read More
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1257$5,000+50 - 249 employeesDaly City, CARead More
Founded in 2008, Tech4biz Solutions Private Limited is a midsize web design company headquartered in Bengaluru, India and Daly City, California. Their services include web design, custom software development, IoT development, Artificial Intelligence, and more.
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1258Undisclosed250 - 999 employeesIrvine, CARead More
Authority Partners is a software firm based in Irvine, Calif. with more than 250 employees. They are experts in UX/UI design, IT managed services, and custom software development for various clients.
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ArtisIndustries
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1259$10,000+50 - 249 employeesUnion City, CACloudpacer Inc, a custom software development company, specializes in Custom Software Development and Web Development. The company is in Union City, California and Lahore, Pakistan.Read More
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1260$5,000+2 - 9 employeesSan Jose, CALocated in San Jose, California and Chandigarh, India, Frisco Web Solutions is a small SEO agency. Their services include Search Engine Optimization and Web Design.Read More
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