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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751$10,000+2 - 9 employeesLos Angeles, CARead More
Lucrum Labs is a mobile and web app development firm based in Los Angeles. Founded in 2019, their team of 5 serves small businesses in the advertising, entertainment, and education sectors. Services include iOS/Android, WordPress, React, JavaScript, and Unity development.
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ZyngaIndustries
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752$10,000+2 - 9 employeesSacramento, CAGlissando AI is a custom software development company in Sacramento, California. The small team offers Custom Software Development, Artificial Intelligence, AI Consulting, Generative AI, and more. The firm was established in 2022.Read More
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753$10,000+250 - 999 employeesSan Francisco, CAFounded in 2012, SmartSmith Infotech is a midsize custom software development firm. Their team provides Custom Software Development and Web Development.Read More
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754$25,000+50 - 249 employeesSan Mateo, CARead More
NG Logic is a software company headquartered in Warsaw, Poland that specializes in mobile app and web development. Founded in 2003, the company has an additional office in Austin, Texas and has over 50 employees.
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Digital Cheetach Perception Software ContractroomIndustries
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755$10,000+10 - 49 employeesDublin, CAArtificial intelligence firm Bayshore Intelligence Solutions was established in 2019. The small team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, Mobile App Development, and more. The agency is based in Dublin, California and Kolkata, India.Read More
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756$10,000+2 - 9 employeesSan Francisco, CAEstablished in 2020, WeMakeMVP is a website development company. The small San Francisco, California-based team offers Web Development, UX/UI Design, Custom Software Development, Mobile App Development, and more.Read More
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757$10,000+2 - 9 employeesLong Beach, CACoremaitri Software, a small software development firm, is located in Long Beach, California and New Delhi, India. Their services include Custom Software Development and ERP consulting and SI.Read More
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758$25,000+50 - 249 employeesSan Francisco, CASynergy Labs is an app development firm. Their midsize team is in Hollywood, Florida; Miami, Florida; New York, New York and Dubai, United Arab Emirates and provides Mobile App Development, Custom Software Development, Artificial Intelligence, Generative AI, and more. The firm was launched in 2020.Read More
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759Undisclosed10,000+ employeesSan Francisco, CAFounded in 1993, Thoughtworks Software Technologies Ltd is a large Chicago, Illinois-based AI company. Their team offers Artificial Intelligence and IT managed services.Read More
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760$1,000+Freelancer employeesSan Mateo, CARead More
GCX Solutions is a product development firm headquartered in San Mateo, CA. Founded, in 2018, their team of approximately 1–2 employees mostly serves small clients and some mid-sized businesses. Within the scope of product development, their specialties include custom software and UX/UI design.
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Momentum Design LabIndustries
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761$50,000+10 - 49 employeesSunnyvale, CARead More
Iomico, an IoT development company, is in Warszawa, Poland; Sunnyvale, California; Edmonds, Washington and Buenos Aires, Argentina. The small team provides IoT development, Product Design, Custom Software Development, and Mobile App Development. The agency was established in 2012.
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Glomex SrlIndustries
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762$1,000+2 - 9 employeesSan Francisco, CAPiwot is a branding company established in 2025. Located in San Francisco, California, their small team provides Branding, Web Design, Graphic Design, Custom Software Development, and more.Read More
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763$1,000+2 - 9 employeesSacramento, CAVerdugo Web Services is a web design company. Founded in 2024, the agency is headquartered in Sacramento, California. The small team focuses on Web Design, Web Development, E-Commerce Development, Custom Software Development, and more.Read More
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Yuremane LLC Friends of the House LAIndustries
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764$5,000+250 - 999 employeesNewport Beach, CADynTek is a midsize Newport Beach, California-based IT strategy consulting company. Their services include IT strategy consulting and Custom Software Development.Read More
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765$10,000+250 - 999 employeesLos Angeles, CAAdvertising company Psyop is in New York, New York and Los Angeles, California. Their services include Advertising and Video Production.Read More
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766Undisclosed250 - 999 employeesWalnut Creek, CAMidsize custom software development firm Trueforce, Inc., is in Walnut Creek, California. The team specializes in Custom Software Development and Artificial Intelligence.Read More
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767Undisclosed250 - 999 employeesSanta Clara, CAV2Solutions, a software development firm, was established in 2003. They provides Custom Software Development and IoT development.Read More
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768Undisclosed250 - 999 employeesCulver City, CACustom software development firm Test Pro is located in Culver City, California. The team specializes in Custom Software Development and Application Testing.Read More
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769Undisclosed250 - 999 employeesSanta Clara, CAEffOne is a custom software development firm based in Santa Clara, California. They focus on Custom Software Development and Application Testing.Read More
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770Undisclosed250 - 999 employeesSan Francisco, CATRON DAO, a midsize Blockchain company, is based in San Francisco, California. Their services include Blockchain and Custom Software Development.Read More
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771$1,000+Freelancer employeesSan Diego, CAOui Digital is a web design company based in San Diego, California. The small team focuses on Web Design, Web Development, Custom Software Development, and Content Marketing and was established in 2022.Read More
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772$10,000+50 - 249 employeesSan Ramon, CAEstablished in 2008, Intuz is a midsize AI development company based in San Ramon, California; Ahmedabad, India and San Francisco, California. Their services include Artificial Intelligence, AI Agents, and Custom Software Development.Read More
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Bosch Mercedes AMG Fortress Power French FloristIndustries
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773Undisclosed50 - 249 employeesOrange, CASQA² is an Application Testing company launched in 1997. The team offers Application Testing and IT strategy consulting and is in Orange, California.Read More
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774$1,000+10 - 49 employeesGlendale, CAWeb design agency Shiftr Agency is located in Glendale, California. The small agency was established in 2022. Their services include Web Design, UX/UI Design, Custom Software Development, Web Development, and more.Read More
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775$5,000+Freelancer employeesDavis, CAFresh Web Agency is a web development company based in Davis, California. Established in 2021, the team focuses on Web Development and Custom Software Development.Read More
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Shopify Rebellion Boardroom Shopify Hommewrk -
776$10,000+50 - 249 employeesSacramento, CATaction Software LLC is a custom software development firm. Launched in 2013, the team offers Custom Software Development, Mobile App Development, Artificial Intelligence, and Web Development. Their midsize company is based in Chicago, Illinois; Cheyenne, Wyoming; Noida, India and Austin, Texas.Read More
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First National BankIndustries
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777$10,000+50 - 249 employeesSan Francisco, CARead More
Novalab Tech is an app development firm. They focus on Mobile App Development, Custom Software Development, and Web Development and were launched in 2016. The company is headquartered in Falls Church, Virginia; New York, New York and San Francisco, California.
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778Undisclosed2 - 9 employeesSunnyvale, CAOxygen AI is a Sunnyvale, California-based Business Consulting company. They focus on Business Consulting and Custom Software Development and were founded in 2017.Read More
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779$10,000+50 - 249 employeesIrvine, CACodup is a custom software development company. The midsize team is located in Houston, Texas; Dubai, United Arab Emirates and Irvine, California. Their services include Custom Software Development, E-Commerce Development, Enterprise App Modernization, Mobile App Development, and more.Read More
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UnileverIndustries
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780$25,000+10 - 49 employeesLos Angeles, CARead More
Established in 2013, Jafton is a mobile app development company. The small team offers Mobile App Development, Custom Software Development, and Artificial Intelligence. The agency is in New York, New York; Miami, Florida; Los Angeles, California and Austin, Texas.
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SheinIndustries
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