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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$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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1321$10,000+250 - 999 employeesBeverly Hills, CAWeb development company IndiaNIC Infotech Limited was established in 1998. Based in Beverly Hills, California; Ahmedabad, India and Dubai, United Arab Emirates, their midsize team provides Web Development, Custom Software Development, Mobile App Development, Enterprise App Modernization, and more.Read More
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Gulfstream Aerospace CorporationIndustries
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1322$5,000+50 - 249 employeesSan Jose, CAXetech is a cloud consulting & SI company. They focus on cloud consulting & SI and Custom Software Development and are located in Frimley, England and San Jose, California.Read More
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1323Undisclosed1,000 - 9,999 employeesSan Mateo, CAFounded in 2003, Augmentum, Inc. Is a software development firm and Enterprise App Modernization company. Their services include Custom Software Development and Enterprise App Modernization.Read More
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1324$5,000+50 - 249 employeesNewport Beach, CARead More
Dirox, a mobile app development company, was founded in 2003. They are located in Ho Chi Minh City, Vietnam; Shibuya City, Japan; Hong Kong, Hong Kong and Paris, France and have a midsize team. Dirox focuses on mobile app development, custom software development, web development, digital strategy, and more.
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LogChainIndustries
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1325$100,000+1,000 - 9,999 employeesOakland, CARead More
CI&T (formerly CINQ Technologies) is software development company based in Curitiba, Brazil with additional offices in Brazil and Miami. Founded in 1992, the team of 271 specializes in custom software development, IT staff augmentation, and UX/UI design. They work primarily with enterprise clients in the transportation and financial services industries.
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SITAIndustries
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1326$5,000+50 - 249 employeesSan Mateo, CABased in San Mateo, California and Lucknow, India, STPL IT Solutions is a web design agency. They offer Web Design and UX/UI Design.Read More
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1327Undisclosed50 - 249 employeesSan Jose, CAMumba Technologies is an IT strategy consulting company. Launched in 2010, the team offers IT strategy consulting and BI & big data consulting & SI.Read More
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1328$1,000+50 - 249 employeesSanta Clarita, CARead More
Yashco Systems is a software company based in Hilliard, Ohio, and founded in 2000. With more than 50 employees, they are experts in web development, mobile app development, and IT managed services.
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1329$25,000+250 - 999 employeesSan Francisco, CACuelogic Technologies is a software development company. The New York, New York-based team specializes in Custom Software Development and Artificial Intelligence.Read More
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1330Undisclosed10 - 49 employeesLos Angeles, CAAccunity Website Design is an UX design agency. Their team is in Addison, Texas and Los Angeles, California. The firm offers UX/UI Design and Custom Software Development.Read More
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1331$25,000+250 - 999 employeesCupertino, CAPratham Software is an Enterprise App Modernization company. They offer Enterprise App Modernization, Custom Software Development, Digital Engineering, Artificial Intelligence, and more and were founded in 2000. The company is headquartered in Cupertino, California; Jaipur, India; Cardiff, Wales and Oberhaching, Germany.Read More
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1332$1,000+50 - 249 employeesPalo Alto, CAIn Palo Alto, California and Garland, Texas, Stellr IT LLC is a midsize social media marketing firm. The team specializes in Social Media Marketing and Custom Software Development.Read More
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1333Undisclosed1,000 - 9,999 employeesSan Francisco, CARead More
ValueLabs is a global business technology services and solutions provider based in Hyderabad, India with over 25 offices worldwide in the US, Europe, and Asia. Founded in 1997, ValueLabs' team of over 5,000 employees provides non-voice BPO/back office services and voice/call center capabilities.
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1334$50,000+1,000 - 9,999 employeesSaratoga, CASigma Software Group, a custom software development company, was launched in 2002. Their large team is located in L'viv, Ukraine; New York, New York; Saratoga, California and Bellevue, Washington and offers Custom Software Development, Mobile App Development, Web Development, BI & big data consulting & SI, and more.Read More
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VolvoIndustries
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1335$5,000+250 - 999 employeesSan Jose, CALuvina Software JSC is a software development firm. Founded in 2004, the team specializes in Custom Software Development, cloud consulting & SI, CRM consulting and SI, Application Management & Support, and more. Their midsize firm is located in Hanoi, Cau Giay, Vietnam; Danang, Vietnam; Kawasaki, Japan and San Jose, California.Read More
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SIIndustries
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1336$1,000+50 - 249 employeesLos Angeles, CAWideVision Technologies is a midsize custom software development firm. They offer Custom Software Development and Web Development and were founded in 2008.Read More
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Hire Dedicated PHP Developer at Hourly RateIndustries
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1337Undisclosed10 - 49 employeesCorona, CANetsity is a business intelligence company located in Corona, California and Ghaziabad, India. They specialize in BI & big data consulting & SI and Artificial Intelligence.Read More
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1338Undisclosed250 - 999 employeesSan Mateo, CALohika is a software development company. Headquartered in San Mateo, California and Ukraine, Ukraine, the company provides Custom Software Development and Blockchain.Read More
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1339Undisclosed10 - 49 employeesMilpitas, CAFindMeTechie is a custom software development firm launched in 2014. The team offers Custom Software Development and E-Commerce Development.Read More
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1340$100,000+50 - 249 employeesSan Jose, CAIntagleo Systems is a midsize Slough, United Kingdom-based custom software development firm. Founded in 2004, the team focuses on custom software development, IT staff augmentation, mobile app development, web development, and more.Read More
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1341$10,000+50 - 249 employeesSan Jose, CAScalaCode is a midsize artificial intelligence development company. Launched in 2012, the firm is based in Noida, India; Taunton, England; Rochedale South, Australia and Burlington, Canada. Their services include Artificial Intelligence, Custom Software Development, and Mobile App Development.Read More
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1342$10,000+1,000 - 9,999 employeesSan Ramon, CANeurealm is a Cybersecurity company. Their large team is headquartered in Princeton, New Jersey; San Ramon, California; Santa Clara, California and Chennai, India. The firm provides Cybersecurity, Custom Software Development, Artificial Intelligence, Generative AI, and more. The firm was launched in 1998.Read More
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1343Undisclosed50 - 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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1344$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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1345Undisclosed250 - 999 employeesFresno, CABuzzing Technology Inc is a midsize call center service launched in 2014. Their team focuses on Call Center Services and Staffing.Read More
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1346$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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1347$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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1348$5,000+50 - 249 employeesLaguna Niguel, CAMidsize custom software development firm MeGaDev, is in Alicante (Alacant), Spain; Kharkiv, Ukraine; Rīga, Latvia and Zug, Switzerland. They focus on Custom Software Development, Artificial Intelligence, ERP consulting and SI, Web Development, and more and were established in 2017.Read More
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TalentumIndustries
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1349$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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1350$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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