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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871
- $10,000+
- 50 - 249 employees
- San Francisco, CA
Read MoreWeb development firm Overcode was founded in 2022. They are in London, United Kingdom and have a small team. Their services include web development, ux/ui design, custom software development, mobile app development, and more.
Clients
- SignifAI (New Relic)
Industries
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872
- Undisclosed
- 10 - 49 employees
- San Diego, CA
Located in San Diego, California, International Institute for Software Testing is a small Application Testing company. Their services include Application Testing and Custom Software 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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873
- $5,000+
- 50 - 249 employees
- Santa Clara, CA
Borqs is an UX agency. Launched in 2007, the firm is headquartered in Santa Clara, California and Beijing, China. Their services include UX/UI Design and Custom Software Development.Read More -
874
- Undisclosed
- 50 - 249 employees
- Lake Forest, CA
AR/VR development company SimInsights was launched in 2009. The company provides AR/VR development and Custom Software Development.Read More -
875
- Undisclosed
- 50 - 249 employees
- San Francisco, CA
SiliconMint is a San Francisco, California-based software development firm. Launched in 2012, the team focuses on Custom Software Development and Web Development.Read More -
876
- Undisclosed
- Freelancer employees
- Vista, CA
Founded in 2024, Aurelius Solutions is a custom software development company and API Development company. The team offers Custom Software Development and API Development.Read More -
877
- Undisclosed
- 50 - 249 employees
- Walnut Creek, CA
ASD Global-Public Sector is a software development firm in Walnut Creek, California. They specialize in Custom Software Development and ERP consulting and SI.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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878
- $1,000+
- 1,000 - 9,999 employees
- San Diego, CA
Insight Global is a Staffing company launched in 2001. The company specializes in Staffing and BI & big data consulting & SI.Read MoreIndustries
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879
- Undisclosed
- 2 - 9 employees
- San Diego, CA
AI development company Flash Computing was founded in 2022. The company specializes in Artificial Intelligence, AI Consulting, Custom Software Development, and Mobile App Development and has a small team.Read MoreIndustries
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880
- $1,000+
- 2 - 9 employees
- San Diego, CA
Read MoreExcl Networks, a web design company, is located in San Diego, California. The small company was founded in 2016. Their team specializes in web design, web development, custom software development, advertising, and more.
Industries
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881
- $5,000+
- 2 - 9 employees
- San Jose, CA
Founded in 2015, Bit Riot, a small website development firm, is in San Jose, California. Their services include Web Development and UX/UI Design.Read More -
882
- $5,000+
- 2 - 9 employees
- Simi Valley, CA
ISOOSI Marketing Agency is a graphic design agency based in Naples, Florida and Simi Valley, California. They offer Graphic Design and Mobile & App Marketing and were founded in 2002.Read More -
883
- $1,000+
- 2 - 9 employees
- Los Angeles, CA
Founded in 2006, AWESOME OS, a small answering service, is headquartered in Los Angeles, California. Their services include Call Center Services and Accounting.Read More -
884
- $5,000+
- 2 - 9 employees
- Los Angeles, CA
Volcanic Star, LLC is a web development firm. Established in 2013, the company is in Los Angeles, California and. Their services include Web Development and Mobile App Development.Read More -
885
- Undisclosed
- 2 - 9 employees
- Irvine, CA
Founded in 1980, Endeavor Agency, a small Commercial Brokerage Services company, is headquartered in Irvine, California. Their team offers Commercial Brokerage Services and Commercial Development.Read More -
886
- $5,000+
- 2 - 9 employees
- Fresno, CA
Likeitsolutions is a Karachi, Pakistan-based web development company. They provide Web Development and Mobile App Development and were established in 2019.Read MoreIndustries
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887
- $5,000+
- 2 - 9 employees
- Los Angeles, CA
SC Tech is a web design company. Headquartered in Los Angeles, California, the team offers Web Design and Web Development.Read MoreIndustries
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888
- Undisclosed
- 2 - 9 employees
- San Diego, CA
Hurrikan Logic is a small SEO company launched in 2013. Their services include Search Engine Optimization and UX/UI Design.Read More -
889
- Undisclosed
- 2 - 9 employees
- Irvine, CA
LayerCake Marketing is an Irvine, California-based branding firm. Their services include Branding and Video Production.Read More -
890
- $1,000+
- 2 - 9 employees
- Sacramento, CA
FavSoftware, a website development firm, offer Web Development and Mobile App Development. They were launched in 2020.Read MoreIndustries
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891
- Undisclosed
- 2 - 9 employees
- Marina del Rey, CA
Launched in 2020, Aegis Studio, a small Blockchain Marketing company, is located in Marina del Rey, California. Their services include Blockchain Marketing and Blockchain.Read More -
892
- Undisclosed
- 2 - 9 employees
- Torrance, CA
Piladya is an application development company founded in 2021. The team offers Mobile App Development and Blockchain.Read More -
893
- $10,000+
- 2 - 9 employees
- Irvine, CA
Novizant is a cloud consulting & SI company. Their team is in Irvine, California and specializes in cloud consulting & SI and IoT development.Read More -
894
- $1,000+
- 2 - 9 employees
- San Francisco, CA
Jars Solutions, a web development company, was launched in 2022. The small team offers Web Development and Web Design.Read More -
895
- $50,000+
- 2 - 9 employees
- Glendora, CA
Lighter AI is a Document Digitization & Management company. The team offers Document Digitization & Management and Artificial Intelligence and is located in Glendora, California.Read More -
896
- $5,000+
- 2 - 9 employees
- San Francisco, CA
Guru Labs is a San Francisco, California-based Blockchain company. They focus on Blockchain and Custom Software Development and were launched in 2021.Read More -
897
- Undisclosed
- 2 - 9 employees
- San Francisco, CA
Located in San Francisco, California, SyCo Media Inc. Is a small social media marketing company. Their services include Social Media Marketing and Email Marketing.Read MoreIndustries
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898
- Undisclosed
- 2 - 9 employees
- Los Angeles, CA
Asgard Technologies Company, a social media marketing firm, was established in 2016. The team offers Social Media Marketing and Mobile App Development.Read More -
899
- Undisclosed
- 2 - 9 employees
- Los Gatos, CA
Small user experience agency Aionis, is located in Los Gatos, California. Their services include UX/UI Design and Custom Software Development.Read More -
900
- Undisclosed
- 2 - 9 employees
- San Diego, CA
Escape is a Blockchain company. Headquartered in San Diego, California, the firm was established in 2023. Their team provides Blockchain and UX/UI Design.Read More
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