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+
- 50 - 249 employees
- New York, NY
Launched in 2002, DOOR3 is an UX design agency. The company offers UX/UI Design, Custom Software Development, and Web Development and has a midsize team.Read MoreIndustries
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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.
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781
- Undisclosed
- 50 - 249 employees
- Dublin, CA
Founded in 2014, InnovaPath Inc is a midsize UX design agency. Their team focuses on UX/UI Design and cloud consulting & SI.Read More - Get Started
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782
- Undisclosed
- 50 - 249 employees
- San Francisco, CA
Located in San Francisco, California and Cork, Ireland, 33Floors is a midsize business intelligence company. The team provides BI & big data consulting & SI and Corporate Training & Coaching.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.
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783
- $50,000+
- 50 - 249 employees
- San Jose, CA
SuccessLink Outsourcing is a telephone answering service. Located in San Jose, California, the agency was launched in 2024. Their team provides Call Center Services and Back Office Outsourcing.Read More -
784
- Undisclosed
- 50 - 249 employees
- Fremont, CA
Dew Software is an IT strategy consulting company founded in 1997. Their team offers IT strategy consulting and BI & big data consulting & SI.Read MoreIndustries
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785
- Undisclosed
- 50 - 249 employees
- San Francisco, CA
Fluxon is a business intelligence company. Their midsize team is based in San Francisco, California. Their services include BI & big data consulting & SI and UX/UI Design.Read More -
786
- Undisclosed
- 50 - 249 employees
- San Francisco, CA
Spendflo is a Market Research company. In San Francisco, California, the company was established in 2020. Their services include Market Research and IT managed services.Read MoreIndustries
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787
- $25,000+
- 10 - 49 employees
- North Highlands, CA
GoTeCo is a website development company. Launched in 2023, the firm specializes in Web Development and IT strategy consulting.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.
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788
- $50,000+
- 1,000 - 9,999 employees
- Irvine, CA
Read MoreSynoptek is a global systems integrator and managed IT services provider headquartered in Irvine, Calif., with additional offices across the U.S. and in New Brunswick, Canada; Ahmedabad, India; and Pune, India. Founded in 2001, they have more than 650 employees that specialize in IT managed services, cybersecurity, and cloud consulting & SI. Synoptek primarily serves midmarket clients in a variety of industries.
Clients
- Champion Home Exteriors
Industries
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789
- $1,000+
- 250 - 999 employees
- Milpitas, CA
IT staff augmentation company Appzlogic Inc was established in 2016. Their midsize team is based in Farmers Branch, Texas; Milpitas, California; Noida, India and Gurugram, India and specializes in IT staff augmentation, custom software development, mobile app development, application testing, and more.Read More -
790
- Undisclosed
- 50 - 249 employees
- Santa Clara, CA
The X Future Inc is a software development company located in Santa Clara, California and Mumbai, India. The team focuses on Custom Software Development and Mobile App Development.Read MoreClients
- Unilever
Industries
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791
- $10,000+
- 2 - 9 employees
- San Diego, CA
Established in 2023, Life Tree Studio is a small San Diego, California-based software development company. Their services include Custom Software Development and Web Development.Read More -
792
- $50,000+
- 50 - 249 employees
- Los Angeles, CA
Jelvix is a custom software development company. They are headquartered in Tallinn, Estonia; Kharkiv, Ukraine; Stuttgart, Germany and London, England and have a midsize team that specializes in Custom Software Development, Enterprise App Modernization, Mobile App Development, and Artificial Intelligence. The agency was established in 2011.Read MoreClients
- Tiber Capital Group
Industries
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793
- $5,000+
- Freelancer employees
- San Francisco, CA
SiteAppy LLC is an Enterprise App Modernization company. The team focuses on Enterprise App Modernization and Custom Software Development and is in San Francisco, California.Read MoreIndustries
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794
- $25,000+
- 50 - 249 employees
- Menlo Park, CA
Read MoreCustom software development company Cambria Corporation was founded in 1984. The firm provides custom software development, mobile app development, web design, and web development and has a small team. The firm is headquartered in Menlo Park, California and Makati, Philippines.
Industries
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795
- $1,000+
- 10 - 49 employees
- Newark, CA
Stackmybiz is a website development firm. The agency is in Ranchi, India and Newark, California. Their services include Web Development and Mobile App Development.Read MoreIndustries
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796
- $5,000+
- 2 - 9 employees
- Irvine, CA
Small web development firm Softshop, is in Irvine, California. Their services include Web Development and Search Engine Optimization.Read MoreIndustries
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797
- $5,000+
- 50 - 249 employees
- San Francisco, CA
Read MoreCybersecurity company BlockApex is headquartered in Karachi, Pakistan. Established in 2021, the small team focuses on cybersecurity and blockchain.
Industries
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798
- $50,000+
- 50 - 249 employees
- Redondo Beach, CA
Read MoreLimestone Digital is a software development company headquartered in Prague with a research and development office in Kyiv, Ukraine, and a sales and client support office in Los Angeles. Founded in 2016, their team of 70+ employees helps clients manage teams of software development specialists. They also provide web development, UI/UX design, and QA.
Clients
- Terravate LLC
Industries
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799
- $25,000+
- 50 - 249 employees
- San Mateo, CA
Read MoreDivami Design Labs is a user experience and user interface (UX/UI) agency in India. With nearly 90 employees, Divami Design Labs has the most experience with UX/UI design for WordPress and .NET content management systems. They were founded in 2008 and use a three-step sprint process to tackle projects: discover, design, and develop.
Clients
- Google LLC
Industries
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800
- $25,000+
- 50 - 249 employees
- Mountain View, CA
Read MoreIn Mountain View, California, Closeloop Technologies is a mobile application development firm. Launched in 2012, the midsize team specializes in mobile app development, web development, web design, ux/ui design, and more.
Clients
- Ajna, Premier Talent Partners, Universal Tennis, Datacube, CXC, Cordance, eRezlife, UpRight, Ithos Global, McCreadie, Omnidian, Tailored Brands, Seven Seas Music, Pryme Parking App
Industries
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801
- Undisclosed
- 10 - 49 employees
- Elk Grove, CA
SyTech Solutions, a software development firm, is based in Elk Grove, California. The team provides Custom Software Development and IT managed services.Read More -
802
- Undisclosed
- 10 - 49 employees
- San Jose, CA
Contiq Software is a custom software development firm. Founded in 2016, the agency is based in San Jose, California. Their services include Custom Software Development and Artificial Intelligence.Read More -
803
- $25,000+
- 50 - 249 employees
- Rancho Santa Margarita, CA
Established in 2016, BayGrape Technology Solutions is an IT strategy consulting company. The team provides IT strategy consulting and Custom Software Development.Read More -
804
- $10,000+
- 50 - 249 employees
- Santa Monica, CA
IT staff augmentation company Premiersoft was founded in 2011. The midsize Blumenau, Brazil-based team provides IT staff augmentation, IT strategy consulting, Mobile App Development, Custom Software Development, and more.Read MoreIndustries
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805
- $5,000+
- 1,000 - 9,999 employees
- San Jose, CA
TalentsFromIndia is an IT staff augmentation company headquartered in San Jose, California and New York, New York. They provide IT staff augmentation and Search Engine Optimization.Read MoreIndustries
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806
- $1,000+
- 2 - 9 employees
- San Francisco, CA
Launched in 2015, CoreTeam.io is a software development company. Their services include Custom Software Development and Web Development.Read More -
807
- $1,000+
- 2 - 9 employees
- Anaheim, CA
Launch Up Labs, a software development firm, was founded in 2024. The agency offers Custom Software Development and Web Development.Read More -
808
- $5,000+
- 2 - 9 employees
- Burbank, CA
Website development company Kaufman International is located in Burbank, California. Launched in 2006, the team focuses on Web Development and IT managed services.Read More -
809
- $1,000+
- 2 - 9 employees
- Los Angeles, CA
Gamut Dev is an user experience design agency launched in 2010. The firm offers UX/UI Design and Web Design.Read MoreIndustries
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810
- $1,000+
- 250 - 999 employees
- Walnut Creek, CA
CGVAK Software & Exports Ltd is a custom software development firm in Coimbatore, India and Walnut Creek, California. Their services include Custom Software Development and Mobile App Development.Read MoreIndustries
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