Top 100 Software Development Companies in California
The Best of December 2025Looking 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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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures is a software development firm. Their small team is located in Irvine, California. The firm specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more.Read More
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$25,000+10 - 49 employeesMedina, WAFlower Press Interactive is a small user experience agency launched in 2001. Their team offers UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more. The company is located in Medina, Washington.Read More
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$10,000+10 - 49 employeesJohannesburg, South AfricaRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
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121$1,000+250 - 999 employeesSunnyvale, CAFounded in 2012, ThinkSys is a midsize custom software development firm. Their services include Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more. The agency is in Sunnyvale, California.Read More
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122$50,000+10 - 49 employeesSan Francisco, CARead More
Infuse is a software development company based in San Francisco. The company, founded in 2014, has a team of around 20 that provides custom software development, mobile app development, and UX/UI design services. Infuse serves enterprise and smaller-sized companies in various industries that include financial services, medical, and IT.
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Ready RespondersIndustries
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123$10,000+2 - 9 employeesPasadena, CARead More
Interactivism is a digital product design and development company founded in 2013. Based in Pasadena, Calif., the team of 8 specializes in UX/UI design, custom software development, and AR/VR development.
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From early stage to fortune 500, we are proud of the company we keep.Industries
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124$25,000+10 - 49 employeesEncinitas, CAMoves the Needle is a Product Design company founded in 2014. The small Encinitas, California-based team provides Product Design, Custom Software Development, AI Consulting, Corporate Training & Coaching, and more.Read More
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Nike Roche Thomsons Reuters P & GIndustries
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125$5,000+50 - 249 employeesIrvine, CARead More
TekHqs ( Tek HeadQuarters ) is a custom software development company founded in 2010 with more than 50 members. They provide custom software development, CRM consulting, and ERP consulting solutions from their office in Irvine, Calif. They work primarily with small firms.
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YamahaIndustries
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126$100,000+10 - 49 employeesCitrus Heights, CARead More
GBMF Tech, a software development firm, was established in 2019. Their small team is headquartered in London, United Kingdom; Citrus Heights, California and Chișinău, Moldova. The firm provides custom software development, web development, mobile app development, and e-commerce development.
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Freight CrewIndustries
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127$10,000+10 - 49 employeesSan Francisco, CACoding Crafts LLC is a mobile application development firm in San Francisco, California. The small team specializes in Mobile App Development, Web Development, Custom Software Development, Blockchain, and more and was established in 2019.Read More
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YogaJointIndustries
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128$5,000+2 - 9 employeesSan Jose, CARead More
CodeFutures is a small software development company. Based in Broomfield, Colorado and San Jose, California, the agency was launched in 2001. Their services include custom software development, cloud consulting & SI, IT staff augmentation, and other IT consulting and SI.
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129Undisclosed10 - 49 employeesLos Angeles, CARead More
Eachbase is a digital agency that operates out of California. Their main services span branding, SEO, and web development.
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Nino's Pizza AECO Starfish Polo TMSIndustries
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130Undisclosed50 - 249 employeesSanta Monica, CARead More
Nextware Technologies is a development agency based in Santa Monica, Calif., with another office in Valencia, Spain. Since 2006, the agency and its team of fewer than 10 have provided expertise in web, custom software, and mobile app development, web design, UX/UI design, and IT managed services.
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LandorIndustries
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131$5,000+1,000 - 9,999 employeesSan Jose, CARead More
ExpertsFromIndia is a development company based in San Jose, Calif. They were founded in 2003 and have a team of around 800 employees. They primarily provide custom software development and SEO.
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eBayIndustries
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132$10,000+10 - 49 employeesPleasanton, CARead More
Cygnis Media is a development agency is headquartered in Pleasanton, Calif. Since 2010, their team of 45 has been specializing in web design and development, UX/UI design, mobile app development, and more. Cygnis Media works with clients in various industries including arts & entertainment and business services.
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MIT NFL Network Oreo SamsungIndustries
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133$10,000+2 - 9 employeesSacramento, CAAi-lab is a website development firm based in Sacramento, California and San Francisco, California. The small agency was founded in 2024. Their team provides Web Development, Mobile App Development, Generative AI, Artificial Intelligence, and more.Read More
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134$50,000+50 - 249 employeesSanta Monica, CATulaCo is a software development company. Located in Santa Monica, California, the firm offers Custom Software Development and Web Development.Read More
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CREXi, Imgur, Gracenote, Casting Networks, StyleRow, Tradeswell, Plume, Bridg, EXOS, Biqmind, Aircam, 2GTHR, Ronati, Zitti, Convoz, Wizard, Happs, BAI connect, Trust, Studykik, VINData, MindmixerIndustries
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135$10,000+10 - 49 employeesSacramento, CARead More
Prestige Development Group is an IT staff augmentation company based in Sacramento, California. The small firm was launched in 2016. Their team specializes in IT staff augmentation, custom software development, mobile app development, and blockchain.
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Capital OneIndustries
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136$100,000+10 - 49 employeesTustin, CARead More
UpTech Works is a mobile application development company. Their small team is located in Millbrae, California. The firm offers mobile app development, custom software development, and web development. The firm was founded in 2016.
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UNestIndustries
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137$50,000+10 - 49 employeesRocklin, CARead More
Grey Sky Media is a web and technology development company based in Rocklin, California. Founded in 1999, their team of fewer than 10 employees provides services for small and mid-market businesses. They specialize in web development, custom software development, UX/UI design, and enterprise app modernization.
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138$5,000+50 - 249 employeesSan Francisco, CARead More
Based in San Francisco, California, AllCode is a cloud consulting & SI company. The agency specializes in cloud consulting & SI, Custom Software Development, Web Development, UX/UI Design, and more and is midsize.The agency was founded in 2015.
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TwilioIndustries
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139$25,000+2 - 9 employeesSanta Monica, CARead More
Right Balance is a software development company based in Santa Monica, Calif. with offices in Mexico City and Moscow. The company, founded in 2015, has a team of less than ten that provides custom software development, web development, and mobile app development services. Right Balance serves mid-market and other-sized companies in the financial services, IT, and transportation industries.
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TalaIndustries
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140$1,000+10 - 49 employeesRoseville, CAOK Technology is an IT strategy consulting and IT staff augmentation company. Their small team is based in. The agency provides IT strategy consulting and IT staff augmentation. The agency was launched in 2021.Read More
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141$10,000+2 - 9 employeesCarlsbad, CARead More
Elyon Technologies, an user experience company and software development firm, was launched in 2022. They are headquartered in Carlsbad, California and have a small team. Their services include ux/ui design and custom software development.
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365 Retail MarketsIndustries
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142$10,000+50 - 249 employeesLos Angeles, CARead More
In Los Angeles, California; Houston, Texas and Santa Rosa, California, Coding Pixel is a small custom software development firm. They focus on custom software development, blockchain, mobile app development, web design, and more and were established in 2012.
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143$10,000+10 - 49 employeesSan Francisco, CAMadhupa.com | San Francisco Based is a web design company. The small San Francisco, California-based team focuses on web design, ux/ui design, custom software development, web development, and more. The company was launched in 2021.Read More
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144Undisclosed10 - 49 employeesCarlsbad, CABased in Carlsbad, California, InterKnowlogy is an AI firm. The small team provides Artificial Intelligence, AI Consulting, AI Agents, Generative AI, and more. The company was launched in 1999.Read More
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145$25,000+2 - 9 employeesSan Francisco, CARead More
Founded in 2018, Imua software development and UX design firm based in San Francisco, Calif. They have a small team of fewer than 10 employees. They also provide branding and product design services.
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Hey HeroIndustries
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146$50,000+10 - 49 employeesLake Forest, CALaminar Consulting Services Inc. Is a small software development company. The Lake Forest, California-based company was founded in 2005. Their services include Custom Software Development, Application Testing, Enterprise App Modernization, cloud consulting & SI, and more.Read More
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ExemplisIndustries
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147$50,000+10 - 49 employeesLos Angeles, CARead More
DG Studio is a global creative agency, founded in 2008 and located in Los Angeles, India, and Mexico. They comprise 26 employees specializing in branding, UX/UI design, web development, graphic design, digital marketing, and app programming. They work with a range of clients, typically in real estate, customer services, and healthcare.
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Los Angeles Medical Center (LAMC) of Cosmetic Surgery -
148$25,000+10 - 49 employeesSan Jose, CARead More
Based in San Jose, California, E8 Labs is a mobile app development company. The company provides mobile app development, custom software development, web development, e-commerce development, and more and is small.The company was founded in 2017.
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Enlightened MeditationIndustries
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149$10,000+250 - 999 employeesMilpitas, CARead More
Founded in 2014, Teksun Inc. is a product engineering services company. Their team of around 25 employees is based in San Jose, Calif., with an additional office in Ahmedabad, India. They focus on IoT development, product design, and cloud consulting.
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QEPRIndustries
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150Undisclosed10 - 49 employeesLos Angeles, CAMargasoft is a small Los Angeles, California-based Litigation Support Services company. They specialize in Litigation Support Services, Custom Software Development, Artificial Intelligence, IT managed services, and more and were established in 2005.Read More
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Johnson & JohnsonIndustries
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