Top 100 Software Development Companies in California
The Best of December 2025Looking 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.
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List of the Best California Software Developers
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures is a software development firm. Their small team is located in Irvine, California. The firm specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more.Read More
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$25,000+10 - 49 employeesMedina, WAFlower Press Interactive is a small user experience agency launched in 2001. Their team offers UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more. The company is located in Medina, Washington.Read More
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$10,000+10 - 49 employeesJohannesburg, South AfricaRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
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901$50,000+250 - 999 employeesSunnyvale, CAFission Labs is a custom software development company. Established in 2008, the midsize company is in Sunnyvale, India and Hyderabad, India. Their services include custom software development, mobile app development, application testing, and web development.Read More
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902$10,000+50 - 249 employeesMountain View, CACloseloop Technologies is a custom software development company. Established in 2011, the midsize firm is in Mountain View, California; Sahibzada Ajit Singh Nagar, India and Jaipur, India. Their services include Custom Software Development, CRM consulting and SI, AI Consulting, ERP consulting and SI, and more.Read More
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Block and Tam AutoTech Consulting Group Motorola Solutions PIC CorporationIndustries
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903$25,000+50 - 249 employeesMenlo Park, CARead More
Custom software development company Cambria Corporation was founded in 1984. The firm provides custom software development, mobile app development, web design, and web development and has a small team. The firm is headquartered in Menlo Park, California and Makati, Philippines.
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904Undisclosed50 - 249 employeesCitrus Heights, CALogicTree IT Solutions is a mobile app development company. They offer Mobile App Development and Application Testing and were founded in 2007.Read More
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Lompoc PD -
905$5,000+2 - 9 employeesLincoln, CAEstablished in 2000, Infinite Design & Marketing, a small web design company, is in Lincoln, California. Their team offers Web Design and Custom Software Development.Read More
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906$50,000+50 - 249 employeesSan Francisco, CAApp development company Cheesecake Labs is located in San Francisco, California and Florianopolis, Brazil. Established in 2013, the midsize team focuses on Mobile App Development, Custom Software Development, and Blockchain.Read More
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MoneyGram International Stellar Development Foundation AB Inbev Mutual of OmahaIndustries
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907Undisclosed2 - 9 employeesRedwood City, CABarnet Associates is a small Ridgefield, Connecticut-based CRM consulting and SI company. The team offers CRM consulting and SI and Custom Software Development.Read More
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908$50,000+10 - 49 employeesGlendale, CAAgile Clouders, Inc. Is a software development firm. They are located in Glendale, California and Dombivli, India and have a small team. Their services include custom software development, web design, ux/ui design, product design, and more.Read More
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909$5,000+2 - 9 employeesSan Francisco, CALaunched in 2014, Jumpyr is a Digital Strategy company. Headquartered in San Francisco, California, the team offers Digital Strategy and Social Media Marketing.Read More
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910$1,000+2 - 9 employeesSacramento, CAGolden Goose Marketing is a SEO services firm based in Sacramento, California. Their services include Search Engine Optimization and Pay Per Click.Read More
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911$1,000+2 - 9 employeesSacramento, CAParah Group is a Sacramento, California-based Conversion Optimization company. They offer Conversion Optimization and UX/UI Design and were launched in 2022.Read More
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912$5,000+2 - 9 employeesFullerton, CAConx360 IT Services is a small custom software development firm headquartered in Fullerton, California. Their services include Custom Software Development and E-Commerce Development.Read More
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913$50,000+250 - 999 employeesSeattle, WALocated in Tallinn, Estonia; Kharkiv, Ukraine; Stuttgart, Germany and London, England, Jelvix is a software development company. The midsize agency was established in 2011. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, and cloud consulting & SI.Read More
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Tiber Capital GroupIndustries
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914$1,000+1,000 - 9,999 employeesSan Diego, CAInsight Global, a big data analytics company, provides BI & big data consulting & SI and cloud consulting & SI. The firm is located in Atlanta, Georgia and Birmingham, Alabama.Read More
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915$25,000+1,000 - 9,999 employeesSanta Clara, CASoftnautics - a MosChip Company is an AI firm located in Santa Clara, California and Ahmedabad, India. Their services include Artificial Intelligence and IoT development.Read More
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916$1,000+10 - 49 employeesSoquel, CABees2biz is a Product Design company. Their small team of employees is located in Soquel, California and Bogotá, Colombia. Their team offers Product Design and Blockchain.Read More
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917$1,000+2 - 9 employeesOakland, CAHeadquartered in Oakland, California, Nzouat is a small custom software development firm. The team focuses on Custom Software Development and Web Development.Read More
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918$5,000+2 - 9 employeesVisalia, CACogeian Systems, a small web development firm, is based in Visalia, California. Their services include Web Development and Web Design.Read More
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Self-Help Enterprises -
919$10,000+10 - 49 employeesConcord, CAAPI4AI is an artificial intelligence company. Founded in 2020, the firm is headquartered in Concord, California. Their services include Artificial Intelligence and Custom Software Development.Read More
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920$5,000+10 - 49 employeesMarina del Rey, CABee Techy, a small web development firm, is in Marina del Rey, California. They provide Web Development, Mobile App Development, Artificial Intelligence, Custom Software Development, and more and were founded in 2020.Read More
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921$25,000+10 - 49 employeesTorrance, CAArtisan Crew Engineering is a custom software development company. The Torrance, California-based team provides Custom Software Development and Web Design.Read More
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922Undisclosed10 - 49 employeesSan Diego, CAShammam Consulting Services, Inc. Is a small San Diego, California-based Business Consulting company. Their services include Business Consulting and IT strategy consulting.Read More
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923Undisclosed10 - 49 employeesWalnut Creek, CAEstablished in 2005, Aviamedia LLC, a small app development firm, is located in Walnut Creek, California. Their team provides Mobile App Development and Web Development.Read More
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924$50,000+10 - 49 employeesSan Francisco, CARead More
Blackstone Studio is a custom software development firm. Their small team is located in San Francisco, California and Guadalajara, Mexico and focuses on custom software development. The firm was launched in 2019.
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FerrariIndustries
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925Undisclosed10 - 49 employeesCorona, CASunztech Intl, a web design company, is located in Corona, California. Their services include Web Design and UX/UI Design.Read More
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926Undisclosed10 - 49 employeesSan Jose, CARightapp4u is a Content Marketing company. Their small team of employees is in San Jose, California. Their team offers Content Marketing and Search Engine Optimization.Read More
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927$10,000+2 - 9 employeesLos Angeles, CAFounded in 2023, AlchemyX is a small Product Design company. Their services include Product Design and UX/UI Design.Read More
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928Undisclosed2 - 9 employeesSan Francisco, CAByte Aesthetics is a small San Francisco, California-based user experience agency. The team focuses on UX/UI Design and Custom Software Development.Read More
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929$5,000+2 - 9 employeesSanta Clara, CAUX design company Nuvelabs offers UX/UI Design and Web Design. They were founded in 2025.Read More
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930$1,000+250 - 999 employeesDublin, CAHarbinger Group is an AI company. The Redmond, Washington-based team specializes in Artificial Intelligence and Custom Software Development.Read More
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