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.
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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1201$10,000+1,000 - 9,999 employeesSan Ramon, CARead More
Neurealm is a Cybersecurity company. They specialize in Cybersecurity, Custom Software Development, Artificial Intelligence, Generative AI, and more and were founded in 1998. Their large team is headquartered in Princeton, New Jersey; San Ramon, California; Santa Clara, California and Chennai, India.
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1202Undisclosed50 - 249 employeesOakland, CAPix4D is an AI Consulting company. In Denver, Colorado and Oakland, California, their team focuses on AI Consulting and Custom Software Development.Read More
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1203$5,000+250 - 999 employeesDanville, CAInfoBeans is a custom software development firm. Founded in 2000, their team offers Custom Software Development and Blockchain.Read More
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1204$25,000+250 - 999 employeesOakland, CASoftware development company Tringapps was established in 2008. The firm focuses on Custom Software Development and cloud consulting & SI.Read More
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1205$10,000+50 - 249 employeesTorrance, CABinariks is a midsize Lviv, Ukraine-based artificial intelligence development company. Launched in 2014, the team specializes in Artificial Intelligence, IoT development, Custom Software Development, AI Consulting, and more.Read More
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eMotorWercks/EnelXIndustries
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1206$25,000+250 - 999 employeesMilpitas, CASoftware development firm Gadgeon Systems Inc. Is headquartered in Milpitas, California; Kochi, India; Aartselaar, Belgium and Kakkanad, India. The midsize company was launched in 2011. Their services include Custom Software Development, Product Design, Mobile App Development, IoT development, and more.Read More
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Kore WirelessIndustries
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1207$10,000+250 - 999 employeesSan Jose, CARishabh Software is a software development company. They are located in Vadodara, India; Harrow, England; San Jose, California and Bengaluru, India and have a midsize team. Their services include Custom Software Development, Digital Engineering, BI & big data consulting & SI, cloud consulting & SI, and more. The firm was established in 1999.Read More
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LindeIndustries
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1208$5,000+10 - 49 employeesPalo Alto, CARead More
Tessafold LLC is an application development company located in Palo Alto, California; Berlin, Germany; Jeddah, Saudi Arabia and Ciudad de México, Mexico. Founded in 2017, the small team specializes in Mobile App Development, Artificial Intelligence, UX/UI Design, cloud consulting & SI, and more.
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1209$1,000+50 - 249 employeesGlendale, CANixaam LLC, a Content Marketing company, focus on Content Marketing and Web Design. They were launched in 2010.Read More
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1210$10,000+50 - 249 employeesManhattan Beach, CAExist Global is a software development firm. The agency is located in Pasig, Philippines and Manhattan Beach, California. Their services include Custom Software Development and Application Testing.Read More
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1211Undisclosed10 - 49 employeesFremont, CAEncoding Enhancers is a small Fremont, California-based business intelligence company. Their services include BI & big data consulting & SI and Robotics Process Automation.Read More
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1212Undisclosed250 - 999 employeesLos Angeles, CASaguaro Technology, a cloud consulting & SI company, was established in 1999. The midsize team offers cloud consulting & SI and Custom Software Development.Read More
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1213$5,000+250 - 999 employeesSan Jose, CALuvina Software JSC is a cloud consulting & SI company headquartered in Hanoi, Cau Giay, Vietnam and Danang, Vietnam. They focus on cloud consulting & SI and CRM consulting and SI.Read More
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SIIndustries
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1214$25,000+250 - 999 employeesKyiv, UkraineInnovecs, a software development firm, is based in New York, New York; Kyiv, Ukraine; San Francisco, California and Tel Aviv-Jaffa, Israel. Launched in 2011, the midsize team offers Custom Software Development, DevOps Managed Services, BI & big data consulting & SI, cloud consulting & SI, and more.Read More
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SGNIndustries
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1215Undisclosed50 - 249 employeesMenlo Park, CAImpossible is a mobile app development company. They are headquartered in Lisboa, Portugal and London, England, and their services include Mobile App Development and UX/UI Design.Read More
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1216$10,000+1,000 - 9,999 employeesSanta Clara, CATao Digital Solutions, Inc. Is a large branding firm launched in 2022. Their services include Branding and Digital Strategy.Read More
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1217$100,000+10 - 49 employeesRedwood City, CARead More
Accelerance is a software development firm. Founded in 2001, the small agency is located in Redwood City, California; Charlotte, North Carolina; Buenos Aires, Argentina and Monterrey, Mexico. Their team specializes in Custom Software Development, Mobile App Development, Artificial Intelligence, Generative AI, and more.
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AcrowireIndustries
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1218$10,000+250 - 999 employeesSan Francisco, CAMagenic is a software development firm. The company is based in St. Louis Park, Minnesota and San Francisco, California. Their team offers Custom Software Development and Mobile App Development.Read More
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DeloitteIndustries
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1219Undisclosed10 - 49 employeesSunnyvale, CA360logica Software Testing Services is a Noida, India-based Application Testing company. The team provides Application Testing and Custom Software Development.Read More
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1220Undisclosed250 - 999 employeesSanta Clara, CAIn Santa Clara, California and Islamabad, Pakistan, Emumba is an UX design company. The team offers UX/UI Design and BI & big data consulting & SI.Read More
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1221$5,000+50 - 249 employeesBerlin, GermanyRead More
Founded in 2017, MeGaDev is a custom software development firm. Their midsize team is in Alicante (Alacant), Spain; Kharkiv, Ukraine; Rīga, Latvia and Zug, Switzerland. Their services include Custom Software Development, Artificial Intelligence, ERP consulting and SI, Web Development, and more.
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TalentumIndustries
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1222$5,000+1,000 - 9,999 employeesEmeryville, CASeasia Infotech is a custom software development firm in Emeryville, California; Gordon, Australia; Sahibzada Ajit Singh Nagar, India and Edmonton, Canada. Established in 2000, the large team specializes in Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more.Read More
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HDFC Bank Flipkart CDAC HouseJoyIndustries
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1223Undisclosed50 - 249 employeesSan Jose, CAXebrium Inc, a midsize custom software development firm, is located in San Jose, California and Pune, India. Their services include Custom Software Development and Enterprise App Modernization.Read More
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1224Undisclosed50 - 249 employeesRamona, CAC3IT Solutions is a midsize Ramona, California-based AI firm. The team offers Artificial Intelligence and Robotics Process Automation.Read More
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1225Undisclosed1,000 - 9,999 employeesSan Jose, CABCT Consulting is a web design company. The team is based in Bengaluru, India and Natick, Massachusetts, and their services include Web Design and Web Development.Read More
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OracleIndustries
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1226Undisclosed1,000 - 9,999 employeesSan Ramon, CANous Infosystems, an Application Testing company, was founded in 1996. The large team focuses on Application Testing and Custom Software Development.Read More
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1227Undisclosed250 - 999 employeesDublin, CABhavna Corp. Is a Noida, India-based application development firm. Their services include Mobile App Development and DevOps Managed Services.Read More
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