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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31$10,000+50 - 249 employeesSan Jose, CABeehive Software is a software development company. Founded in 2021, the midsize company is based in San Jose, California and Herzliya, Israel. Their services include Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more.Read More
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32$50,000+10 - 49 employeesLong Beach, CARead More
Established in 2001, JLOOP is a mobile application development firm. Their small team is based in Long Beach, California and , . Their team focuses on mobile app development, web development, and video production.
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IBMIndustries
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33$50,000+2 - 9 employeesMarina del Rey, CARead More
Wildebeest is a California-based agency that specializes in app development, software development, and web design. With less than 50 members on staff, the agency delivers custom web and software solutions for their clients.
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GoogleIndustries
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34$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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35$5,000+10 - 49 employeesDublin, CARead More
Pravaah Consulting Inc is a Dublin, California-based artificial intelligence development company. The small company was launched in 2019. Their team offers Artificial Intelligence, Custom Software Development, Mobile App Development, and E-Commerce Development.
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36$50,000+10 - 49 employeesPasadena, CASerious Development is a small software development company founded in 2012. Their services include Custom Software Development, Mobile App Development, BI & big data consulting & SI, and Artificial Intelligence. The company is in Pasadena, California and Houston, Texas.Read More
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Imperial Health CSD MedPoint Global 1Industries
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37$25,000+10 - 49 employeesLos Angeles, CARead More
Noomo Agency is an interactive boutique agency headquartered in Los Angeles and founded in 2018. They have about 15 people who create immersive and interactive digital experiences that are both easy to use and a joy to engage with. From storytelling and immersive websites to highly interactive platforms, they create experiences that foster incredible engagement and drive business sales.
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Cadence Coinbase AMD SalesforceIndustries
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38$25,000+10 - 49 employeesNewport Beach, CARead More
Revealize Inc. is a web development agency that has been offering web design and web development services to their clients since 2017. Their 10 employees are based out of Newport Beach, Calif.
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SaaStockIndustries
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39$25,000+50 - 249 employeesPalo Alto, CARead More
Data Monsters is a big data analytics company headquartered in San Francisco, California and , Russia. Established in 2015, the midsize team focuses on BI & big data consulting & SI, custom software development, and Artificial Intelligence.
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NetAppIndustries
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40$1,000+1,000 - 9,999 employeesEncinitas, CARead More
CC Capital Group is an outsourcing agency based in La Jolla, Calif with a team of 25. Founded in 2012, the company offers direct marketing, business consulting, and HR services. Their direct marketing services are focused on telemarketing, among other forms.
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Xerox CorporationIndustries
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41$100,000+50 - 249 employeesNewark, CARead More
Dibutech is a software development firm. The midsize Concord, California-based team provides custom software development and web development. The firm was launched in 2018.
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42$50,000+10 - 49 employeesSan Francisco, CAHypotenuse Labs is a Blockchain company. Founded in 2018, the company is based in San Francisco, California and New York, New York. The small team specializes in Blockchain, Custom Software Development, Web Development, Artificial Intelligence, and more.Read More
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43$10,000+50 - 249 employeesSan Mateo, CAImaga ~ When UX & AI Both Matter is a San Mateo, California-based software development firm. Launched in 2018, the midsize team offers Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.Read More
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Mercedes-Benz DSC Information Technology is a UAE-based IT hardware supplier. Its catalog features 5,700+ SKUs available to customers worldwide Astana Motors is a leading Kazakh automotive company that distributes, manufactures, and sells vehicles. It was established in 1992, is part of the Astana Group holding, and serves as the official distributor for many major car brands like BMW and Toyota XDS-Astana Team. As of Oct 2025, XDS-Astana Team is ranked 4th in the Union Cycliste Internationale WorldTour. The team includes 46 racers from Italy, France, Denmark, and other countriesIndustries
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44$25,000+10 - 49 employeesPalo Alto, CARead More
Deepsea Developments, an IoT development company, was launched in 2017. Their small team is located in Palo Alto, California and Cali, Colombia and specializes in IoT development, architectural design, and custom software development.
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45$50,000+50 - 249 employeesSan Francisco, CAAdmios, a software development firm, was launched in 2005. The company provides Custom Software Development, IT staff augmentation, IT managed services, Application Testing, and more and has a midsize team. The company is in San Francisco, California.Read More
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46$10,000+10 - 49 employeesSan Francisco, CARead More
Galliot is a San Francisco-based software development firm founded in 2018. With an additional office in Montevideo, Uruguay, their 10-man-team develops products for midmarket and enterprise-level clients. While custom software and DevOps are their specialties, they also offer web development and cloud consulting.
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Life scienceIndustries
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47$10,000+10 - 49 employeesSanta Monica, CARead More
Fullsend Solutions Inc. Is a web development company. They offer web development, mobile app development, and ux/ui design and were established in 2019. Their small team is headquartered in Santa Monica, California.
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48$50,000+50 - 249 employeesCulver City, CAUtility is an application development company headquartered in New York, New York; Culver City, California and Austin, Texas. The agency offers Mobile App Development, Web Design, UX/UI Design, Custom Software Development, and more and has a midsize team.The agency was launched in 2013.Read More
Clients
Airbnb NBA Coca-Cola ForbesIndustries
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49$25,000+10 - 49 employeesPasadena, CARead More
CT Software Solutions is a full-service Los Angeles based Web and Mobile App solutions provider. They provide software solutions to businesses that are looking for a less costly alternative to bigger, more expensive consulting firms.
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Burger KingIndustries
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50$50,000+2 - 9 employeesEl Segundo, CARead More
Expedition Co, is a software development company that was founded in 2017. The company is headquartered in Palos Verdes Estates, Calif. and is currently made up of 8 employees. They specialize in mobile app development, UX/UI design, and custom software development.
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Hewlett-Packard -
51$25,000+50 - 249 employeesLos Angeles, CADreamers Inc. Is an artificial intelligence development company in Los Angeles, California. Launched in 2013, the midsize team focuses on Artificial Intelligence, Mobile App Development, Blockchain, Cybersecurity, and more.Read More
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NASA Johns Hopkins Applied Physics Lab US Air Force US Department of EducationIndustries
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52$25,000+10 - 49 employeesIrvine, CARead More
Idea Maker is a web development firm. Their small team is based in Irvine, California and Irvine, California and specializes in Web Development, Mobile App Development, Artificial Intelligence, Custom Software Development, and more. The agency was launched in 2016.
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53$25,000+2 - 9 employeesLos Angeles, CARead More
ActiveColor is a web agency founded in Valencia, Calif. In 2004 with fewer than 10 employees. They offer web development, UX/UI design, and web design solutions for small and mid-market businesses in the fields of healthcare, hospitality, and arts.
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University of Chicago MedicineIndustries
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54$25,000+50 - 249 employeesSan Francisco, CARead More
Grio is a software consulting firm based in San Francisco, Calif, that was established in 2008. Their team of 50 employees offers web development, mobile app development, and UX/UI design services.
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55$10,000+10 - 49 employeesSan Francisco, CABased in San Francisco, California, Dworkz is an UX design agency. The small firm was founded in 2004. Their team provides UX/UI Design, Custom Software Development, Web Design, Web Development, and more.Read More
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CellanomeIndustries
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56$50,000+10 - 49 employeesLos Angeles, CAMaterialize Labs is a Los Angeles, California-based business intelligence company. They specialize in BI & big data consulting & SI, Custom Software Development, Web Development, Mobile App Development, and more and were founded in 2018.Read More
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57$10,000+10 - 49 employeesLos Angeles, CANMG Technologies USA is a mobile application development firm. Their small team is in Los Angeles, California and offers Mobile App Development, Custom Software Development, Search Engine Optimization, and Web Development. The firm was established in 2015.Read More
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58$50,000+10 - 49 employeesSan Diego, CAHyperTrends Global Inc., a software development firm, was launched in 2006. Based in San Diego, California, their small team provides Custom Software Development, Artificial Intelligence, Web Development, Mobile App Development, and more.Read More
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Foundation Escrow USAIndustries
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59$10,000+10 - 49 employeesSan Ramon, CAMoonstone Interactive is a website development firm. Located in San Ramon, California and Islip, New York, their small team focuses on Web Development, Conversion Optimization, Web Design, UX/UI Design, and more. The agency was established in 1996.Read More
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10FoldIndustries
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60$25,000+2 - 9 employeesLos Angeles, CABased in Washington, District of Columbia; Los Angeles, California and Salt Lake City, Utah, Niftic Agency is a branding company. The small team specializes in Branding, Low/No Code Development, Web Design, UX/UI Design, and more and was founded in 2015.Read More
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The North FaceIndustries
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