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.
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List of the Best California Software Developers
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures, a custom software development company, is in Irvine, California. Established in 2017, the small team offers Custom Software Development, Mobile App Development, UX/UI Design, Web Development, and more.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a custom software development firm. The Medina, Washington-based company was established in 2001. The small team focuses on Custom Software Development, UX/UI Design, Mobile App Development, Web Design, and more.Read More
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1021$10,000+10 - 49 employeesSunnyvale, CALaunched in 2023, DIGITalent by Digitaly is an IT staff augmentation company. The company offers IT staff augmentation and Custom Software Development.Read More
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1022$1,000+Freelancer employeesSacramento, CACity of Trees Tech is a Sacramento, California-based software development company. Launched in 2019, the team specializes in Custom Software Development and Web Design.Read More
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1023$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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1024$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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1025$25,000+50 - 249 employeesMountain View, CACloseloop Technologies LLC is a software development company. Their midsize team is headquartered in Mountain View, California; Sahibzada Ajit Singh Nagar, India and Jaipur, India and focuses on Custom Software Development, AI Consulting, CRM consulting and SI, ERP consulting and SI, and more. The agency was founded in 2011.Read More
Clients
Block and Tam AutoTech Consulting Group Motorola Solutions PIC CorporationIndustries
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1026$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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1027$5,000+50 - 249 employeesLos Angeles, CATechcronus Business Solutions is an Ahmedabad, India-based CRM consulting and SI company. They focus on CRM consulting and SI, ERP consulting and SI, IT staff augmentation, Mobile App Development, and more and were founded in 2010.Read More
Clients
SporsTech Startup in LAIndustries
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1028$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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1029$1,000+2 - 9 employeesWest Hollywood, CAANFA MERIDIAN, a video production agency, is in West Hollywood, California. They focus on Video Production and Custom Software Development and were founded in 2026.Read More
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1030UndisclosedFreelancer employeesPasadena, CACartertek is a custom software development company. They were launched in 2026, and their services include Custom Software Development and AI Consulting.Read More
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1031$50,000+250 - 999 employeesLos Angeles, CAJelvix is a midsize software development company founded in 2011. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, and cloud consulting & SI. The agency is headquartered in Tallinn, Estonia; Kharkiv, Ukraine; Stuttgart, Germany and London, England.Read More
Clients
Tiber Capital GroupIndustries
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1032$50,000+250 - 999 employeesMountain View, CAVentureDive is a midsize software development firm. The Mountain View, California-based agency was established in 2012. Their services include Custom Software Development, Mobile App Development, CRM consulting and SI, Application Testing, and more.Read More
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CareemIndustries
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1033$25,000+50 - 249 employeesCalabasas, CAEstablished in 2013, Nimble.LA is a DevOps Managed Services company. Their services include DevOps Managed Services and IT staff augmentation.Read More
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1034$50,000+50 - 249 employeesSan Francisco, CACheesecake Labs – AI, Data, & Product is an AI Consulting company located in San Francisco, California and Florianopolis, Brazil. The midsize agency was launched in 2013. Their team offers AI Consulting, Custom Software Development, Artificial Intelligence, and Enterprise App Modernization.Read More
Clients
MoneyGram International Stellar Development Foundation AB Inbev Mutual of OmahaIndustries
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1035$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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1036$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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1037$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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1038$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 -
1039$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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1040Undisclosed250 - 999 employeesSan Francisco, CARead More
Projekt202 is a software development and marketing company based in Addison, Texas. They were founded in 2003 and have a team of 285 employees. They specialize in custom software development, UX/UI design, and mobile app development to improve their client’s customer and employee experiences.
Clients
VontoIndustries
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1041$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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1042Undisclosed10 - 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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1043Undisclosed10 - 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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1044Undisclosed10 - 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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1045$1,000+2 - 9 employeesMenifee, CATrapnstudio, a small AI Consulting company, is based in Menifee, California. The team offers AI Consulting and Custom Software Development.Read More
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1046Undisclosed10 - 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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1047$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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1048Undisclosed2 - 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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1049$5,000+2 - 9 employeesSunnyvale, CAOrestas Labs, an app development company, was founded in 2024. The agency provides Mobile App Development and Web Development, and is small.Read More
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1050$5,000+2 - 9 employeesSacramento, CABusiness Consulting company SmallBiz Innovation is located in Sacramento, California. Their services include Business Consulting and Custom Software Development.Read More
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Check out a Software Developers in California with the most new reviews in the past 12 months.
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