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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61$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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62$25,000+10 - 49 employeesSanta Monica, CARead More
Venture Aviator is a software development company headquartered in New York, NY with other offices in San Francisco and Santa Monica, CA. The team of nearly 20 employees is fluent in blockchain, software, mobile app, and web development.
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CiscoIndustries
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63$10,000+10 - 49 employeesBurbank, CARead More
Based in Kyiv, Ukraine, EltexSoft is a software development company that was founded in 2015. Their team of 31 provides customer software development, mobile app development, and web development for small businesses; their clients are primarily in the information technology, education, retail, and e-commerce industries.
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SaaS EdTech MarketplaceIndustries
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64$1,000+50 - 249 employeesSanta Rosa, CAWebsite development company ZUZEX was established in 2008. Their midsize team is in Santa Rosa, California and focuses on Web Development, Custom Software Development, Mobile App Development, and Low/No Code Development.Read More
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65$1,000+50 - 249 employeesSacramento, CAERP consulting and SI company Satva Solutions was launched in 2013. Their midsize team is in Ahmedabad, India and Sacramento, California. Their services include ERP consulting and SI, Custom Software Development, and IT staff augmentation.Read More
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RenaultIndustries
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66$10,000+50 - 249 employeesPalo Alto, CARead More
Launched in 2019, Koderspedia is a custom software development company. The midsize Palo Alto, California-based team specializes in custom software development, web development, mobile app development, e-commerce development, and more.
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67$5,000+10 - 49 employeesSan Francisco, CARead More
Launched in 2020, Apex Lab is a software development company. Their small team is based in Tallinn, Estonia and San Francisco, California. Their team offers custom software development, mobile app development, web development, and enterprise app modernization.
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68$10,000+10 - 49 employeesLos Angeles, CARead More
Wemersive is an advertising company founded in 2012. Their small team is based in Los Angeles, California; Amsterdam, Netherlands and Toronto, Canada. The firm specializes in advertising, AR/VR development, branding, digital strategy, and more.
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Coca ColaIndustries
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69$10,000+2 - 9 employeesCarlsbad, CABNMA is a software development firm. They provide Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more and were launched in 2005. Their small team is located in Carlsbad, California.Read More
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70$10,000+50 - 249 employeesSan Francisco, CAIn Long Beach, California; Mumbai, India; Earley, England and San Francisco, California, Cymetrix Software is a CRM consulting and SI company. The midsize team focuses on CRM consulting and SI, BI & big data consulting & SI, Custom Software Development, AR/VR development, and more. The company was founded in 2016.Read More
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71$25,000+50 - 249 employeesWalnut, CARead More
Ptolemay is a software company based in Walnut, Calif. with more than 10 employees. Founded in 2017, they provide custom software, web, and mobile app development solutions to small and mid-market companies in the fields of financial services, education, and arts.
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Samsung Rakuten Knauf Coca-ColaIndustries
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72$10,000+2 - 9 employeesLos Angeles, CAOverturn Media Inc is a custom software development firm in Los Angeles, California. The small team specializes in Custom Software Development, Mobile App Development, Artificial Intelligence, AI Consulting, and more and was established in 2015.Read More
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73$5,000+2 - 9 employeesSan Diego, CARead More
CodeNoise is a development team based in San Diego. They have a team of around 5 employees and were founded in 2011. They provide custom software, web, and mobile app development services.
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TruMed SystemsIndustries
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74$250,000+250 - 999 employeesRedwood City, CARead More
Established in 2009, Y Media Labs is a 200+ digital strategy and technology agency that focuses on innovation. With headquarters in Redwood City, CA and offices in Atlanta, Indianapolis, and New York, the company splits its time between mobile app development, digital strategy, and UI/UX design.
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Universal Music GroupIndustries
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75$25,000+50 - 249 employeesLos Angeles, CAUser experience design agency ISBX Corp was launched in 2009. They are located in Los Angeles, California and have a midsize team. ISBX Corp focuses on UX/UI Design, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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Science37 BrainCorp Red Bull - Multiple Projects Apple/BeatsIndustries
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76$1,000+10 - 49 employeesLincoln, CARead More
User experience design agency Sweetcode Lab was established in 2017. The small Nampa, Idaho-based team provides ux/ui design, web design, and logo.
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NaturaIndustries
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77$5,000+10 - 49 employeesSan Diego, CARivka is a web development company launched in 2011. The small team offers Web Development, Custom Software Development, and E-Commerce Development. The firm is in San Diego, California.Read More
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78$10,000+10 - 49 employeesRancho Cucamonga, CARead More
DADEN LLC is a software agency founded in 2014 and based in Aliso Viejo, Calif. With more than 10 members, they provide custom software development, mobile app development, and enterprise app modernization for clients in the fields of IT, e-commerce, and others.
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WealthFluent: Custom Finance PortalIndustries
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79$50,000+2 - 9 employeesCoronado, CACustom software development company Ecliptic Ideas is in Coronado, California. The small team provides Custom Software Development, Mobile App Development, and UX/UI Design and was founded in 2015.Read More
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80$25,000+50 - 249 employeesOrinda, CARead More
Based out of Orinda, CA with satellite offices in India and Croatia, Daxima is a software development company. The team of more than 50 employees has been in business since 2003. They provide web, software, and mobile app development for clients around the world.
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T-Mobile USIndustries
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81Undisclosed10 - 49 employeesSan Ramon, CADesignial is an AI Agents company. They are located in San Ramon, California and have a small team. Their services include AI Agents, Artificial Intelligence, IT staff augmentation, Custom Software Development, and more. The agency was launched in 2018.Read More
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82$25,000+50 - 249 employeesLos Angeles, CAMetal Toad is a Los Angeles, California-based cloud consulting & SI company. The firm specializes in cloud consulting & SI, BI & big data consulting & SI, IT managed services, Custom Software Development, and more and is midsize.The firm was founded in 2003.Read More
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ABC TelevisionIndustries
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83$10,000+10 - 49 employeesSanta Monica, CASPARK6 Inc is a small Santa Monica, California-based user experience design company. Launched in 2011, the team focuses on UX/UI Design, Web Development, Mobile App Development, E-Commerce Development, and more.Read More
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AT&TIndustries
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84$25,000+250 - 999 employeesLos Angeles, CAInsight is a midsize cloud consulting & SI company. Founded in 2000, the company is based in Los Angeles, California; Kerala, India; Yerevan, Armenia and Lytchett Matravers, England. Their team focuses on cloud consulting & SI, unified communications consulting & SI, IT strategy consulting, Custom Software Development, and more.Read More
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Colgate-PalmoliveIndustries
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85$50,000+10 - 49 employeesSan Francisco, CARead More
Dayspring Technologies is a custom software and web development firm founded in 1997. They have just under 30 employees based in their San Francisco office. Much of their work focuses on custom software development for in-house platforms, but they also build client-side web apps, user interfaces, and e-commerce platforms.
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American Red CrossIndustries
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86$1,000+2 - 9 employeesIrvine, CARead More
Pacific Codeline LLC, a web development company, is in San Clemente, California. The small team focuses on web development, custom software development, mobile app development, Artificial Intelligence, and more and was established in 2021.
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Lettering.com IncIndustries
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87$5,000+10 - 49 employeesSacramento, CAAyatas Technologies is a custom software development firm located in Sacramento, California. The company specializes in Custom Software Development, E-Commerce Development, Web Design, and Web Development and has a small team.The company was launched in 2007.Read More
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Straight Talk Lameise Seamless Health & Aesthetics Outdoor Media BuyersIndustries
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88$25,000+10 - 49 employeesLos Angeles, CAPasciVite is an user experience design agency. They are headquartered in San Francisco, California; Los Angeles, California; Detroit, Michigan and Montréal, Canada and have a small team that offers UX/UI Design, Public Relations, and Custom Software Development. The agency was launched in 2016.Read More
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Kleiner PerkinsIndustries
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89Undisclosed2 - 9 employeesPenn Valley, CARead More
SP Marketplace is a software development company based in Penn Valley, Calif., with another office in Sacramento, Calif. Founded in 2012, SP Marketplace specializes in providing custom software development, application development, and application management services to IT companies and nonprofits.
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Coconino CountyIndustries
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90$5,000+2 - 9 employeesLos Angeles, CARead More
Monkey Kode is a small website development company located in Los Angeles, California. They provide web development, custom software development, e-commerce development, and web design and were founded in 2012.
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