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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811$5,000+10 - 49 employeesSan Mateo, CARead More
Located in San Mateo, California and Beograd, Serbia, Action Engine is a software development firm. They offer custom software development, web development, ux/ui design, mobile app development, and more and were launched in 2017.
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812$25,000+2 - 9 employeesLos Angeles, CATOPCONE INC is a software development firm. The firm is in Los Angeles, California. Their services include Custom Software Development and Mobile App Development.Read More
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813$1,000+10 - 49 employeesSan Francisco, CABritelite is a software development company established in 2013. Their team offers Custom Software Development and AR/VR development.Read More
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814Undisclosed10 - 49 employeesSacramento, CABased in Sacramento, California, Graviton Consulting Services is a Staffing company. They provide Staffing and Custom Software Development.Read More
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815Undisclosed10 - 49 employeesAnaheim, CAIn Anaheim, California, Pac Comm Technologies is an IT managed services company. Their services include IT managed services and Custom Software Development.Read More
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816Undisclosed10 - 49 employeesCoronado, CAJoint Tactics and Technologies is a Cybersecurity company. In Coronado, California, their small team specializes in Cybersecurity and Custom Software Development. The firm was founded in 2010.Read More
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817Undisclosed10 - 49 employeesIrvine, CAStratus Meridian is a cloud consulting & SI company. Their small team is in Irvine, California. Their team specializes in cloud consulting & SI and API Development.Read More
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818Undisclosed10 - 49 employeesSan Jose, CASolution Sources Programming, an Application Testing company, was launched in 1990. The small team provides Application Testing and Custom Software Development.Read More
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819Undisclosed50 - 249 employeesSan Diego, CASimplexity Product Development, Inc. Is a midsize San Diego, California-based Product Design company. Their services include Product Design and Custom Software Development.Read More
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820Undisclosed50 - 249 employeesUpland, CAInent Inc is a SEO company founded in 2010. The team offers Search Engine Optimization and IT staff augmentation.Read More
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821Undisclosed50 - 249 employeesCampbell, CANextbrick Inc. Is a Content Marketing company. The midsize Campbell, California-based team focuses on Content Marketing and cloud consulting & SI. The company was launched in 2019.Read More
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822$1,000+10 - 49 employeesSacramento, CAELEK+RIK is a Fort Lauderdale, Florida-based application development company. The small team focuses on Mobile App Development, Web Development, Artificial Intelligence, Custom Software Development, and more. The company was established in 2010.Read More
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Amgen, NFL, Mercedes, Korean Air, Sky Therapist, Doctor on Demand, BMW, Rakuten, Vivadere, VeChainIndustries
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823$25,000+50 - 249 employeesSan Francisco, CAKevuru Games is a software development company launched in 2012. The agency offers Custom Software Development, Mobile App Development, Other Application Development, and UX/UI Design and has a midsize team. The agency is headquartered in Kyiv, Ukraine; San Francisco, California and Warszawa, Poland.Read More
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824$25,000+250 - 999 employeesMilpitas, CAVeltris is a big data analytics company based in Milpitas, California; Hyderabad, India and Hyderabad, India. The midsize agency was launched in 2023. Their team provides BI & big data consulting & SI, ux/ui design, product design, custom software development, and more.Read More
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825$5,000+50 - 249 employeesSan Francisco, CAMobile app development company Bolder Apps was established in 2019. Their midsize team is located in Miami, Florida; New York, New York; Los Angeles, California and Austin, Texas. Their services include Mobile App Development, Custom Software Development, Artificial Intelligence, Generative AI, and more.Read More
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Lando AIIndustries
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826Undisclosed1,000 - 9,999 employeesBrea, CANisum, a large software development company, is in Brea, California and Fremont, California. The team focuses on Custom Software Development and IT strategy consulting.Read More
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GapIndustries
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827$10,000+50 - 249 employeesSan Diego, CARead More
BitCot is a development firm from San Diego. It was founded in 2011 and has grown to a team of more than 30 that does mobile app development, web development, and custom software development for small and large companies alike.
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Dick's Sporting GoodsIndustries
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828$1,000+50 - 249 employeesAnaheim, CACustom software development company Digital Genics was founded in 2021. The agency focuses on Custom Software Development, Email Marketing, Digital Strategy, and Social Media Marketing and has a midsize team. The agency is located in Durgapur, India and Anaheim, California.Read More
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829$10,000+10 - 49 employeesLos Angeles, CACapte is an IoT development company. Founded in 2016, the agency offers IoT development and BI & big data consulting & SI.Read More
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Transdev Regionalverkehr Köln GmbH ( RVK for short ) RATPDev KeolisIndustries
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830$10,000+10 - 49 employeesTorrance, CAFlaidex LLC is a software development firm. Founded in 2017, the team offers Custom Software Development, Web Development, Artificial Intelligence, UX/UI Design, and more. Their small company is headquartered in Torrance, California and Dhaka, Bangladesh.Read More
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831$1,000+10 - 49 employeesLos Angeles, CAWeb design company Software Demand was founded in 2014. The team offers Web Design and Custom Software Development.Read More
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832$1,000+10 - 49 employeesSan Francisco, CASoftware development firm Naveck Technologies is headquartered in New Delhi, India; New York, New York and San Francisco, California. The small team focuses on Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more and was established in 2021.Read More
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833$10,000+250 - 999 employeesSunnyvale, CARead More
Sedin Technologies, a software development firm, was established in 2006. The firm offers Custom Software Development, DevOps Managed Services, Artificial Intelligence, BI & big data consulting & SI, and more and has a midsize team.
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834$100,000+10 - 49 employeesSan Francisco, CASpan Digital is a custom software development firm launched in 2013. The team specializes in Custom Software Development and BI & big data consulting & SI.Read More
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835$50,000+50 - 249 employeesSunnyvale, CASapidBlue Technologies is a software development firm launched in 2021. Their midsize team is in Sunnyvale, California and Gurugram, India. The firm provides custom software development, Artificial Intelligence, IT strategy consulting, and blockchain.Read More
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836$50,000+50 - 249 employeesLos Angeles, CARead More
Hvantage Technologies Inc is a Los Angeles-based digital agency that was founded in 2011. With more than 200 employees, the agency has experts in mobile app and custom software development, UX/UI design, and web design.
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837$50,000+250 - 999 employeesBeverly Hills, CARootstrap is a Beverly Hills, California-based custom software development firm. The midsize agency was established in 2011. Their team specializes in Custom Software Development, Artificial Intelligence, Web Development, BI & big data consulting & SI, and more.Read More
Clients
MasterClass Google Tony Robbins EmeritusIndustries
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838$1,000+2 - 9 employeesGlendale, CACosmic Lens Consulting is a custom software development firm. Their team is located in Glendale, California. The firm focuses on Custom Software Development.Read More
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839UndisclosedFreelancer employeesSanta Monica, CASoftware development firm MailSPEC is based in Santa Monica, California. They offer Custom Software Development.Read More
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840$25,000+50 - 249 employeesRancho Santa Margarita, CAEstablished in 2016, BayGrape Technology Solutions is an IT strategy consulting company. The team provides IT strategy consulting and Custom Software Development.Read More
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