Top 100 Software Development Companies in California
The Best of August 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
-
$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures, a small software development firm, is based in Irvine, California. Founded in 2017, the team provides Custom Software Development, Mobile App Development, UX/UI Design, and Web Development.Read More
Industries
-
$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a software development firm. They specialize in Custom Software Development, UX/UI Design, Mobile App Development, Web Design, and more and were established in 2001. Their small team is in Medina, Washington.Read More
Industries
-
241$5,000+2 - 9 employeesLaguna Hills, CAHeadquartered in Laguna Hills, California, Modern Labyrinth is a SEO services firm. The small team specializes in Search Engine Optimization, Web Design, Custom Software Development, Web Development, and more and was launched in 2015.Read More
Industries
-
242$1,000+10 - 49 employeesSanta Clarita, CAIT staff augmentation company IT Tech Hub LLC was established in 2016. The firm specializes in IT staff augmentation, custom software development, web development, mobile app development, and more and has a small team.Read More
-
243$1,000+10 - 49 employeesSan Francisco, CACitrine Groupe LLC is a small SEO company based in San Francisco, California. Established in 2012, the team provides Search Engine Optimization, Pay Per Click, Custom Software Development, Web Development, and more.Read More
Industries
-
244$50,000+10 - 49 employeesSan Francisco, CARead More
Blackstone Studio is a custom software development firm. Their small team is located in San Francisco, California and Guadalajara, Mexico and focuses on custom software development. The firm was launched in 2019.
Clients
FerrariIndustries
-
245$5,000+10 - 49 employeesSan Diego, CAHyperGrowth is a branding firm. Located in San Diego, California, their small team specializes in Branding, Custom Software Development, Artificial Intelligence, Performance Marketing, and more. The firm was launched in 2024.Read More
Industries
-
246$10,000+10 - 49 employeesIrvine, CADevio Tech is a website development firm founded in 2018. Their services include Web Development and Mobile App Development.Read More
Industries
-
247Undisclosed10 - 49 employeesTemecula, CAEstablished in 2024, Clipy is an IT strategy consulting company. They are headquartered in Temecula, California and have a small team. Their services include IT strategy consulting, Web Design, Custom Software Development, AI Consulting, and more.Read More
-
248$50,000+10 - 49 employeesSan Diego, CARead More
Odyssey Computing, Inc. Is a web design company headquartered in San Diego, California. The small agency was founded in 1996. Their services include web design, ux/ui design, custom software development, web development, and more.
-
249$25,000+2 - 9 employeesSan Diego, CABackpack Works is a San Diego, California-based web design agency. The small team specializes in Web Design, UX/UI Design, Custom Software Development, Web Development, and more. The agency was founded in 2019.Read More
Industries
-
250Undisclosed2 - 9 employeesSan Clemente, CARead More
Funnel9 is a small other digital marketing company. Founded in 2020, the agency is headquartered in San Clemente, California. Their team provides other digital marketing, digital strategy, social media marketing, content marketing, and more.
Industries
-
251$100,000+50 - 249 employeesRedwood City, CATrueNorth, a custom software development firm, was launched in 2016. Headquartered in Redwood City, California, the team offers Custom Software Development and UX/UI Design.Read More
Industries
-
252$10,000+50 - 249 employeesLos Angeles, CAEssential Designs, a custom software development company, was founded in 2008. They are located in Vancouver, Canada; Toronto, Canada; Calgary, Canada and Los Angeles, California and have a midsize team. Essential Designs offers Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more.Read More
Clients
Honeywell BMW Teck TaxillaIndustries
-
253$10,000+10 - 49 employeesTustin, CAUser experience agency Prizmstack is headquartered in Tustin, California. The small team specializes in UX/UI Design, IT strategy consulting, Custom Software Development, Web Development, and more and was founded in 2019.Read More
Industries
-
254$5,000+10 - 49 employeesLos Angeles, CADitans Group is a Business Consulting company. Launched in 2020, the team provides Business Consulting, Digital Strategy, Search Engine Optimization, Pay Per Click, and more. Their small company is Los Angeles, California-based.Read More
-
255$100,000+2 - 9 employeesSacramento, CAPragmint is a big data company. Located in Sacramento, California, their small team offers BI & big data consulting & SI, Custom Software Development, Enterprise App Modernization, IT strategy consulting, and more. The firm was founded in 2021.Read More
Industries
-
256Undisclosed2 - 9 employeesEncinitas, CARead More
Agency73 is a development shop based in Encinitas, Calif. Founded in 2017, Agency73's team of about 10 employees specializes in providing custom software development, web development, and e-commerce development services for mid-market and enterprise businesses in the healthcare, advertising and IT industries.
Clients
IntuitIndustries
-
257Undisclosed10 - 49 employeesBrea, CACloud consulting & SI and software development firm SoftAware was established in 2021. The agency provides cloud consulting & SI and Custom Software Development.Read More
Industries
-
258$1,000+50 - 249 employeesSunnyvale, CALaunched in 2016, Protofire is a Blockchain company. The midsize team specializes in Blockchain and Custom Software Development. The company is based in Sunnyvale, California.Read More
Industries
-
259$10,000+10 - 49 employeesIrvine, CARead More
INSTALOPER, LLC is a web design company. The small Irvine, California-based firm was launched in 2016. Their team specializes in web design, ux/ui design, custom software development, web development, and more.
Industries
-
260$1,000+10 - 49 employeesLos Angeles, CAAVMDEVS LLC is a branding company. Their small team is based in Los Angeles, California. The company provides Branding, Social Media Marketing, Search Engine Optimization, Graphic Design, and more.Read More
-
261$1,000+2 - 9 employeesRedlands, CARead More
LEXSTYLE is a web agency headquartered in Redlands, California. Founded in 2017, their team of 2–3 employees provide an array of web-focused services. Their scope of work includes web design, SEO, and digital strategy.
Clients
Desert Empire Palms -
262$10,000+2 - 9 employeesCarlsbad, CARead More
Websoft Depot is a remote recruiting company for the IT industry. Founded in 2013, they are headquartered in Carlsbad, Calif., and have an additional office in Chelyabinsk, Russia. Websoft Depot has about 3 employees that do web development, e-commerce development, and custom software development.
Clients
Govgroup.com -
263$50,000+10 - 49 employeesSan Francisco, CAGearheart.io is a small software development company located in Kyiv, Ukraine; San Francisco, California; Newark, Delaware and Tallinn, Estonia. They provide Custom Software Development, Enterprise App Modernization, Artificial Intelligence, AI Agents, and more and were founded in 2012.Read More
Clients
SmartSuite ICEIndustries
-
264$1,000+10 - 49 employeesSan Diego, CADextersol, a web design company, provide Web Design and UX/UI Design. They were founded in 2019.Read More
-
265$1,000+2 - 9 employeesLos Angeles, CASignalWorks is an artificial intelligence company. Their small team is located in Los Angeles, California. The firm specializes in Artificial Intelligence, AI Consulting, AI Agents, Custom Software Development, and more. The firm was launched in 2025.Read More
Industries
-
266$5,000+50 - 249 employeesGlendora, CAIn Glendora, California, 3Alica is a midsize data analytics company. They offer BI & big data consulting & SI, Custom Software Development, E-Commerce Development, Application Testing, and more and were established in 2010.Read More
Clients
SberbankIndustries
-
267$50,000+10 - 49 employeesLos Gatos, CASlytrunk is a software development firm. Their small team is in Los Gatos, California. Their services include Custom Software Development and Product Design.Read More
Industries
-
268$10,000+10 - 49 employeesGold River, CANanoByte Technologies, an IT staff augmentation company, was established in 2015. Their small team is in Gold River, California and offers IT staff augmentation, Custom Software Development, Web Development, IoT development, and more.Read More
Industries
-
269$1,000+2 - 9 employeesSanta Barbara, CARead More
Bootlab is a web development agency with locations in Santa Barbara and Los Angeles, Calif. Since 2019, their team of about 5 employees provides a wide range of services, the main ones being web development and design, UX/UI design, and branding. Their clients mostly consist of small businesses in real estate, nonprofit, retail, and other industries.
Clients
Standing up for Social JusticeIndustries
-
270$1,000+50 - 249 employeesSan Mateo, CAFounded in 2018, PieCyfer is a Generative AI company. The team specializes in Generative AI and IT staff augmentation.Read More
Industries
Featured providers
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed Software Developers in California
Check out a Software Developers in California with the most new reviews in the past 12 months.
Software Developers
California
- 11 9 new reviews
- 12 8 new reviews
- 13 8 new reviews
- 14 8 new reviews
- 15 7 new reviews
