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.
Industries
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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.
Industries
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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.
Industries
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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.
Industries
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361
- $5,000+
- 2 - 9 employees
- Long Beach, CA
OS Ignite, Inc. Is an app development company. The firm is in Long Beach, California and Costa Mesa, California. Their services include Mobile App Development and Custom Software Development.Read MoreIndustries
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362
- Undisclosed
- 10 - 49 employees
- San Francisco, CA
SoftAvail, Inc., a small software development company, is located in San Francisco, California and Sofia City, Bulgaria. The team focuses on Custom Software Development and Mobile App Development.Read More -
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.
Industries
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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.
Industries
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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.
Industries
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363
- $5,000+
- 2 - 9 employees
- Berkeley, CA
Read MoreNRGsurf is a software development company. They specialize in custom software development, web development, mobile app development, IoT development, and more and were founded in 2019. The agency is based in Hallbergmoos, Germany.
Industries
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364
- $10,000+
- 50 - 249 employees
- San Francisco, CA
Founded in 2015, Bytex Technologies is a website development firm. Their services include Web Development and Enterprise App Modernization.Read MoreIndustries
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365
- $1,000+
- 1,000 - 9,999 employees
- Roseville, CA
Read MoreZerocoder is a London, United Kingdom-based software development firm. The large firm was founded in 2023. Their services include custom software development, web development, mobile app development, web design, and more.
Industries
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366
- $5,000+
- 2 - 9 employees
- Pasadena, CA
Harlow Technologies is a custom software development company. In Pasadena, California, the team offers Custom Software Development and Mobile App Development.Read MoreIndustries
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367
- $10,000+
- 2 - 9 employees
- Palo Alto, CA
Software development firm and AR/VR development company DreamUp is in London, England and Istanbul, Türkiye. The team specializes in Custom Software Development and AR/VR development.Read More -
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.
Industries
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368
- Undisclosed
- 2 - 9 employees
- Lancaster, CA
Simulations Plus is a custom software development firm and IT managed services company. Their team is based in Lancaster, California and offers Custom Software Development and IT managed services.Read More -
369
- $5,000+
- 2 - 9 employees
- San Francisco, CA
StartupLandia is a custom software development firm launched in 2012. Located in San Francisco, California, the team specializes in Custom Software Development and Mobile App Development.Read MoreIndustries
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370
- Undisclosed
- 2 - 9 employees
- Modesto, CA
Founded in 2008, External Resources, Inc. Is a small Modesto, California-based custom software development company. Their services include Custom Software Development and Web Development.Read More -
371
- $10,000+
- 2 - 9 employees
- San Francisco, CA
Small software development company UI Flow, is located in San Francisco, California. The team provides Custom Software Development and Enterprise App Modernization.Read MoreIndustries
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372
- Undisclosed
- 2 - 9 employees
- Temecula, CA
Sirene Solutions is a Temecula, California-based custom software development firm. Founded in 2016, the team specializes in Custom Software Development and Corporate Training & Coaching.Read More -
373
- Undisclosed
- 2 - 9 employees
- El Segundo, CA
Launched in 2009, Ginisis Group Inc. Is a software development firm and Business Consulting company. The team focuses on Custom Software Development and Business Consulting.Read More -
374
- $10,000+
- 2 - 9 employees
- Redding, CA
Established in 2019, Framework is a software development firm and UX company. The firm offers Custom Software Development and UX/UI Design, and is small.Read MoreIndustries
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375
- $5,000+
- 2 - 9 employees
- Los Angeles, CA
Codi Technologies, a software development company and AI development company, offer Custom Software Development and Artificial Intelligence. They were founded in 2022.Read More -
376
- Undisclosed
- 50 - 249 employees
- San Francisco, CA
Read MoreScalable Path is a. The midsize team offers. The firm was established in 2010.
Clients
- Gensler
Industries
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377
- $10,000+
- 2 - 9 employees
- Santa Monica, CA
Radiant Creative is a market research company launched in 2023. The agency specializes in market research, digital strategy, web design, ux/ui design, and more and has a small team.Read MoreClients
- Westwood & Wilshire
- Highline Wealth Partners
- Ares Financial Consulting
- Altirr
Industries
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378
- Undisclosed
- 50 - 249 employees
- San Jose, CA
CAXTEK is a custom software development firm. The team is headquartered in San Jose, California, and their services include Custom Software Development and Application Testing.Read MoreIndustries
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379
- $10,000+
- 2 - 9 employees
- Emeryville, CA
Mobile application development company AppMozart was established in 2019. The company focuses on Mobile App Development and Web Development.Read More -
380
- $10,000+
- 10 - 49 employees
- Burbank, CA
Read MoreMargasoft Corp. is a software company based in Burbank, Calif. that was founded in 2005. They have about 30 employees that specialize in web development, IT services, custom software development, and strategic consulting. Its clients are mostly midmarket businesses.
Clients
- Johnson & Johnson
Industries
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381
- $5,000+
- 50 - 249 employees
- Pleasanton, CA
Read MoreCustom software development firm Jaxel was launched in 2020. The midsize team provides custom software development, BI & big data consulting & SI, cloud consulting & SI, mobile app development, and more. The company is headquartered in Pleasanton, California.
Clients
- Parsable
Industries
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382
- $25,000+
- 2 - 9 employees
- San Juan Capistrano, CA
BinaryFuel, LLC is a custom software development firm. They were launched in 2015, and their services include Custom Software Development and Enterprise App Modernization.Read MoreIndustries
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383
- $5,000+
- 2 - 9 employees
- San Jose, CA
AppeX Technology is a San Jose, California-based custom software development company. They specialize in Custom Software Development and IT strategy consulting and were launched in 2019.Read MoreIndustries
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384
- $5,000+
- 10 - 49 employees
- San Francisco, CA
Read MoreSOLVD is a custom software development company. Founded in 2018, the small firm is based in San Francisco, California. Their team specializes in custom software development, enterprise app modernization, web development, ux/ui design, and more.
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385
- Undisclosed
- 10 - 49 employees
- Napa, CA
Established in 1990, SyMed Corporation is a Business Consulting company. The small team focuses on Business Consulting and Custom Software Development.Read More -
386
- $10,000+
- 10 - 49 employees
- San Carlos, CA
Headquartered in San Carlos, California, TRG Digital is a custom software development firm. They provide Custom Software Development and Digital Strategy and were established in 2018.Read MoreIndustries
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387
- Undisclosed
- 10 - 49 employees
- Pasadena, CA
Jada Systems is a Pasadena, California-based custom software development company. Launched in 2000, the team offers Custom Software Development and Application Management & Support.Read More -
388
- $1,000+
- 10 - 49 employees
- Fremont, CA
EInnoSys is a software development firm. The team is located in Fremont, California and Ahmedabad, India, and their services include Custom Software Development and Search Engine Optimization.Read MoreIndustries
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389
- $1,000+
- 10 - 49 employees
- Cupertino, CA
Tek-Connect is an IT strategy consulting company. Based in Cupertino, California, the team offers IT strategy consulting and Custom Software Development.Read More -
390
- Undisclosed
- 10 - 49 employees
- Fresno, CA
Mertech Data Systems, Inc. Is a small custom software development firm based in Pembroke Pines, Florida and Fresno, California. The team offers Custom Software Development and cloud consulting & SI.Read MoreIndustries
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