Top 100 Software Development Companies in California
The Best of November 2024
Looking 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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Featured providers
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- $25,000+
- 1,000 - 9,999 employees
- New York, NY
Read MoreHeadquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.
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- $50,000+
- 250 - 999 employees
- London, England
Read MoreHeadquartered in London, Opinov8 Technology Services is a technology solutions company that was founded in 2016. With offices in Ukraine and Spain, the team of 88 works with mid-market and small businesses in the financial services, advertising, marketing, gambling, hospitality, IT, and media industries. Opinov8 specializes in custom software development, enterprise app modernization, big data consulting, and clould consulting for clients.
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- $25,000+
- 50 - 249 employees
- Buenos Aires, Argentina
Read More10Pines is a custom software development firm based in Buenos Aires, Argentina. Founded in 2009, their team of 70 serves clients in the e-commerce, finance, and retail sectors. Services include iOS/Android, Ruby on Rails, ReactJS, and JavaScript development.
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- $25,000+
- 50 - 249 employees
- Warszawa, Poland
Read MoreTeaCode.io is a Warsaw-based full-stack software development company that was founded in 2015. Their team of 12 specializes in custom software, web, and mobile app development. They also know their way around IoT and AI projects. They usually work with small and mid-sized companies and have so far completed many projects in fields of education, medical care, travel, security, communications, e-commerce, and more.
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181
- $10,000+
- 10 - 49 employees
- Sacramento, CA
Read MoreDr Developers is a small web development company. The Sacramento, California-based agency was established in 2015. Their team specializes in web development, web design, ux/ui design, mobile app development, and more.
Industries
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182
- $5,000+
- 10 - 49 employees
- San Diego, CA
Read MoreNisman Solutions is a software and product development company founded in 2007 and located in San Diego, Calif. With a team of about 25 employees, they serve small and midmarket businesses in the business services, health care and medical, IT, telecommunications, and e-commerce industries. Their services include software development, mobile app development, and IT strategy consulting.
Clients
- Phone2
Industries
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Featured providers
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- $25,000+
- 250 - 999 employees
- Unterschleißheim, Germany
Read MoreGP Solutions is a software development company headquartered in Munich, Germany, with that specializes in web development, custom software development, and web design. Founded in 2002, the company builds custom web applications to help clients realize their business goals. A company of just less than 150 employees, GP Solutions works with enterprise and mid-market outfits in the IT and hospitality industries, offering end-to-end solutions that increase traffic, drive sales, and connect with consumers.
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- $25,000+
- 10 - 49 employees
- Medina, WA
Read MoreA full-service digital design and development agency, Flower Press Creative Studio takes on mobile app, web, and custom software development projects. Founded in 2001, the small team of 6 is headquartered in Seattle and also has experience in UI/UX design.
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- $10,000+
- 250 - 999 employees
- Austin, TX
Read MoreIn Austin, Texas and Montevideo, Uruguay, Qubika is a product design company. The midsize firm was established in 2006. Their services include product design, cloud consulting & SI, IoT development, application testing, and more.
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183
- $25,000+
- 2 - 9 employees
- Fairfield, CA
Read MoreIdeas Factory US is a custom software development company established in 2014. Based in Fairfield, California, their small team focuses on custom software development, enterprise app modernization, IT strategy consulting, cloud consulting & SI, and more.
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184
- $50,000+
- 250 - 999 employees
- San Francisco, CA
Read MoreGaper is a software company founded in San Francisco in 2018. With over 250 professionals, they provide IT staff augmentation, custom software development, and AI solutions to clients ranging from small companies to large businesses.
Clients
- Madera
Industries
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185
- $1,000+
- 2 - 9 employees
- Glendale, CA
Read MoreTECHBLEED is a managed service provider based in Glendale, Calif. with more than two experts. Founded in 2019, they specialize in IT strategy consulting, IT managed services and cybersecurity solutions for small and mid-market firms across various industries.
Clients
- Advanced Nutrients
Industries
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186
- $10,000+
- 10 - 49 employees
- Emeryville, CA
DreamLabs is a small software development company. They focus on custom software development, web development, and mobile app development and were founded in 2022. The agency is headquartered in Emeryville, California.Read More -
187
- $25,000+
- 10 - 49 employees
- Sacramento, CA
Read MoreBluelight Consulting is a custom software development company. Launched in 2019, the company is in Folsom, California. The small team provides custom software development, web development, application management & support, and IT staff augmentation.
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Featured providers
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- $10,000+
- 10 - 49 employees
- Johannesburg, South Africa
Read MoreCubeZoo is a web development company. The small team is headquartered in Randburg, South Africa. Their services include web development, mobile app development, and enterprise app modernization.
Industries
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- $5,000+
- 2 - 9 employees
- Mission Viejo, CA
Read MoreCalibec is a small custom software development firm. Founded in 2021, the team offers custom software development, web development, mobile app development, enterprise app modernization, and more. The agency is located in Mission Viejo, California.
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188
- $1,000+
- 2 - 9 employees
- Corona, CA
Located in Corona, California, WellomyTech is an IT managed services company. They offer IT managed services, Artificial Intelligence, custom software development, enterprise app modernization, and more and were established in 2021.Read MoreIndustries
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189
- $25,000+
- 2 - 9 employees
- Downey, CA
Read MoreVivus is a full-service custom web development and internet marketing firm based in Downey, Calif. The firm, founded in 2018, has a team of more than five that provides, among others, web design, web development, and mobile app development services to small and larger-sized companies and institutions in the business services, education, financial services, and many other industries.
Clients
- Tala
Industries
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190
- $1,000+
- 10 - 49 employees
- San Diego, CA
Read MoreSiteCraft Inc. Is a small software development company. They specialize in custom software development, web development, ux/ui design, e-commerce development, and more and were launched in 2016. The company is headquartered in , Ukraine.
Industries
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191
- $5,000+
- 10 - 49 employees
- Los Angeles, CA
Read MorePrimeSens is a custom software development company. The small agency was launched in 2020. Their team focuses on custom software development.
Industries
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192
- $5,000+
- 10 - 49 employees
- Citrus Heights, CA
Read MoreYotalabs is a technology firm headquartered in Sacramento, Calif., with a satellite office in Ukraine. They have about 11 employees that serve small and midmarket businesses. Services include custom software development, IT staff augmentation, web development, and mobile app development services.
Clients
- Tesla
Industries
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193
- $1,000+
- 10 - 49 employees
- Palo Alto, CA
Minimalistech is a big data company launched in 2010. Their team focuses on BI & big data consulting & SI and Custom Software Development.Read MoreClients
- Caffeine.Tv
Industries
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194
- $25,000+
- 10 - 49 employees
- San Diego, CA
Read MoreFrogmouth Digital is a software development firm that has been offering web development, mobile app development, and custom software development to their clients since 2009. Their 50 employees are based out of La Jolla, Calif.
Clients
- UFC
Industries
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195
- $10,000+
- 50 - 249 employees
- Menlo Park, CA
Cloud consulting & SI company Techjays was established in 2020. Their midsize team is in Santa Clara, California. Techjays specializes in cloud consulting & SI, custom software development, web development, mobile app development, and more.Read More -
196
- $10,000+
- 2 - 9 employees
- Santa Cruz, CA
Read MoreCloud Brigade is a small software development company. In Santa Cruz, California, the firm was founded in 2005. Their team specializes in custom software development, Artificial Intelligence, IT managed services, web development, and more.
Industries
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197
- $50,000+
- 50 - 249 employees
- Walnut Creek, CA
MEV, a software development company, is in Walnut Creek, California. The team offers Custom Software Development and Mobile App Development.Read MoreIndustries
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198
- $10,000+
- 50 - 249 employees
- Irvine, CA
Read MoreXavor Corporation is a custom software development firm. Founded in 1995, the team offers custom software development, cloud consulting & SI, and web development. Their midsize agency is in Irvine, California and Lahore, Pakistan.
Industries
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199
- $25,000+
- 10 - 49 employees
- Los Angeles, CA
Read MoreTec 4 Digital, LLC. Is a small custom software development company. They provide custom software development, mobile app development, AR/VR development, and Artificial Intelligence and were established in 2017.
Industries
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200
- $10,000+
- 10 - 49 employees
- Anaheim, CA
Read MoreBased in Anaheim, California, Reinforce Global is a custom software development company. They provide custom software development, application management & support, mobile app development, and web development and were launched in 2019.
Industries
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201
- $25,000+
- 50 - 249 employees
- San Francisco, CA
Intuitech, a Digital Strategy company, is headquartered in Budapest, Hungary and San Francisco, California. The team provides Digital Strategy and Custom Software Development.Read MoreClients
- Telenor
Industries
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202
- $10,000+
- 10 - 49 employees
- San Diego, CA
Read MoreWired Avenue is a digital agency in San Diego. Founded in 2002, they have fewer than 5 employees that serve clients in a wide variety of industries. Services include web development, mobile app development, and custom software development.
Clients
- Qualcomm
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203
- $5,000+
- 10 - 49 employees
- Irvine, CA
Read MoreFounded in 2022, Horizon Labs is a small custom software development firm. Their services include custom software development, web development, mobile app development, application management & support, and more. The agency is in Irvine, California.
Clients
- YuraHealth.com
- Kidsy.co
- Rarewaters.com
- Flairlabs.ai (YC S22)
Industries
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204
- $10,000+
- 50 - 249 employees
- San Mateo, CA
Read MoreLocated in San Mateo, Calif., Ribbonfalls is a full stack development house boasting a team of at least 50 employees. The company was started in 2019 and offers mobile app, web, and custom software development as well as UX/UI design services. Their clients range from small to mid-sized businesses.
Clients
- Lamden
Industries
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205
- Undisclosed
- 50 - 249 employees
- San Francisco, CA
Read MoreClearScale is a cloud-native systems integration, strategic consulting, and application development company founded in San Francisco with over 50 employees. They provide custom software development, mobile app development, and big data consulting services.
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206
- $25,000+
- 10 - 49 employees
- Irvine, CA
Read MoreEcognition Labs is a machine learning and robotic process automation consultancy founded in 2017. Headquartered in Irvine, Calif., the team of over 10 employees focuses on creating competitive advantages for its mid-market clients in financial, real estate, and business sectors. They achieve this through AI programming while also including other services such as custom software development and business intelligence and big data consulting.
Clients
- Colliers
Industries
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207
- $1,000+
- 10 - 49 employees
- San Bernardino, CA
Read MoreWordSphere WordPress Development Agency is a software development firm established in 2007. Their small team is headquartered in San Bernardino, California. The company focuses on custom software development, IT managed services, web design, wearable app development, and more.
Industries
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208
- Undisclosed
- 2 - 9 employees
- Fairfield, CA
Read MoreAmazing Solutions, Inc. is an accounting software reseller based in Fairfield, Calif. Their team of no more than 10 has offered application management and support, business consulting, and custom software development solutions since their founding in 1981.
Clients
- Athens Baking Company
Industries
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209
- $10,000+
- 10 - 49 employees
- Irvine, CA
Read MoreCustom Software Solutions, Inc is a software house based in Irvine, Calif., and founded in 2005. With no more than 50 experts, they provide SEO, PPC, and custom software development solutions to clients ranging from startups to large businesses.
Clients
- HID Global
Industries
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210
- $5,000+
- 10 - 49 employees
- Glendale, CA
Royal Digital Agency is a small branding agency located in Glendale, California. Established in 2016, the team specializes in branding, digital strategy, social media marketing, content marketing, and more.Read MoreIndustries
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