Top 100 Software Development Companies in California
The Best of July 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
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures, a software development company, is located in Irvine, California. The small team provides Custom Software Development, Mobile App Development, and UX/UI Design and was founded in 2017.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a Medina, Washington-based UX agency. The small team focuses on UX/UI Design, Mobile App Development, Custom Software Development, Web Design, and more and was established in 2001.Read More
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121$25,000+2 - 9 employeesRedlands, CAFounded in 2016, Hounder is a branding agency. The small Redlands, California-based team focuses on Branding, Search Engine Optimization, Pay Per Click, UX/UI Design, and more.Read More
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122$25,000+10 - 49 employeesSan Francisco, CARead More
Yeti LLC is a software development and design company founded in 2010. They have 20 employees, all of whom work out of an office in San Francisco. Yeti's practice is extensive for a firm of its size; they offer custom software development, UI/UX design, mobile apps, and IoT development.
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GoogleIndustries
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123$5,000+2 - 9 employeesTustin, CARead More
Pixel Jar is a development agency based in Tustin, Calif. They were founded in 2004 and employ a team of 4. The company specializes in web and e-commerce development, web and UX/UI design, branding, and more.
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Dallas MavericksIndustries
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124$25,000+50 - 249 employeesGranite Bay, CARead More
FullStack Labs is a software consultancy headquartered in Granite Bay, CA with satellite offices in Arlington, VA, and Barranquilla, Colombia. With over 40 employees at hand, FullStack provides web development, custom software development, and mobile app development services to enterprises and startups alike.
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Uber -
125$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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126$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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127$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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128$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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129$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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130$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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131Undisclosed10 - 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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132Undisclosed50 - 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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133$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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134$50,000+10 - 49 employeesSan Marcos, CATrailhead Technology Partners, a custom software development firm, is located in Jenison, Michigan; San Marcos, California and Gastonia, North Carolina. The small team offers Custom Software Development, Enterprise App Modernization, Artificial Intelligence, Mobile App Development, and more and was launched in 2016.Read More
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135$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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136$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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137$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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138$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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139$5,000+50 - 249 employeesSan Francisco, CAEstablished in 2009, TechnoBrains Business Solutions LLP is a midsize artificial intelligence firm headquartered in Ahmedabad, India and San Francisco, California. Their services include Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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140$50,000+250 - 999 employeesLaguna Beach, CAMidsize software development company Datamam, is headquartered in Laguna Beach, California. Founded in 2006, the team focuses on Custom Software Development, Market Research, BI & big data consulting & SI, and Artificial Intelligence.Read More
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141$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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142$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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143$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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144$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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145$10,000+10 - 49 employeesSan Francisco, CAUX design company Madhupa.com | San Francisco Based was established in 2021. The firm offers UX/UI Design, Custom Software Development, Web Development, Mobile App Development, and more and has a small team.Read More
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146$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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147$10,000+50 - 249 employeesLos Angeles, CAAuspicious Soft Pvt Ltd is a custom software development company in Los Angeles, California and Khuni Majra, India. Founded in 2018, the midsize team provides Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.Read More
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DistacartIndustries
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148$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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149$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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150Undisclosed10 - 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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