Top 100 Mobile App Developers in California

Genium, founded in 2011, is a mobile app development company who works with enterprise and mid market companies in the ITand business industries.The team 25,000 work in offices in the Calif., New York, and Buenos Aires areas.

VentureDevs is an IT agency founded in 2016. They are headquartered in West Hollywood, Calif., with a second location in Poznan, Poland. Their team of 73 specializes in mobile app, web, custom software development, and more for primarily midmarket clients. 

Ninjas Code is a web and mobile development company based in Islamabad, Pakistan. Founded in 2019, their team of six developers specializes in Node.js and React Native. They're also proficient in JavaScript.

DADEN LLC is a software agency founded in 2014 and based in Aliso Viejo, Calif. With more than 10 members, they provide custom software development, mobile app development, and enterprise app modernization for clients in the fields of IT, e-commerce, and others.

Exygy is a digital strategy and development company founded in 2007. Located in San Francisco, CA, Exygy’s team of about 25 employees specialize in web design, web development, and mobile app development for Android, iOS, and hybrid platforms. Other services include UI/UX design, branding, software development, and IT consulting.

Boundary is a branding company launched in 2017. They are located in El Segundo, California and have a small team. Their services include branding, ux/ui design, web design, web development, and more.

VinnCorp is an application development firm based in Elk Grove, California; Hayward, California and San Francisco, California. Founded in 2019, the small team specializes in mobile app development, custom software development, branding, IT staff augmentation, and more.

Venture Aviator is a software development company headquartered in New York, NY with other offices in San Francisco and Santa Monica, CA. The team of nearly 20 employees is fluent in blockchain, software, mobile app, and web development.

UniWebb Software is a mobile and web development company based in Elk Grove, CA and was founded in 2011. UniWebb  has a small team of fewer than five employees that focuses on providing mobile app development, web development, and custom software development services, exclusively to small businesses.

D.Workz Interactive is a full-service design and development company located in San Francisco, CA. Since its founding over 10 years ago, D.Workz Interactive and its team of nearly 50 employees have specialized in UX/UI design, web design, web development, and mobile app development. They serve a range of clients in the healthcare, financial services, education, and transportation industries.

NOVVUM is a software development agency based in Irvine, Calif. Since 2014, their team of 14 has specialized in mobile app development, web development, UX/UI design, market research, and marketing strategy services.

Spritz is a marketing agency that was founded in 2009. Spritz is headquartered in San Francisco and has expanded to Bangalore, India. The company has a team of nearly 40 that specializes in web design, mobile app development, branding, public relations, social media marketing, and digital strategy for small and mid-size businesses. 

New Leaders is a technical services firm of 29 employees, established in 2007. They are headquartered in Truckee, Calif., with a second office in Beijing, China. They offer custom software development, e-commerce development, and UX/UI design. They primarily serve clients in midmarket and small businesses in the healthcare, business, and consumer products industries.

Tesuji is a development studio based in Nevada City, Calif. Their team of under 10 serves primarily small and midmarket businesses in industries such as telecommunications, consumer products, and more. Services include mobile app, AR/VR, and custom software development. They were founded in 2017.

This California-based software company has strong expertise in web and mobile app development. The team of less than 50 has worked in various industries, from fitness to healthcare – they’ve done it all.

Website development firm Alliance Innovations is located in San Diego, California. The small agency was founded in 2019. Their team focuses on web development, digital strategy, custom software development, mobile app development, and more.

Founded in 2015, Zensoft.io has 62 team members providing various blockchain, artificial intelligence, and AR/VR development services. They have offices in San Francisco and Kyrgyzstan and work with companies of all sizes and industries.

Martian Craft is a user experience design company established in 2010. The company provides ux/ui design, cloud consulting & SI, custom software development, web development, and more and has a midsize team.

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.

Metal Toad is an AWS consulting partner based in Beverly Hills, Calif., with offices in Portland, Ore. and Pasadena, Calif. The company, founded in 2003, has more than 25 employees who provide, among others, cloud consulting & SI, IT managed services, and custom software development services to the media & entertainment, manufacturing, and automotive industries.

PhD Labs is a web and mobile app development company from Irvine, CA. The team of 10+ has been overcoming business challenges and driving results with digital solutions since 1998.

Cofa Media is a development company based in Carlsbad, Calif. They were founded in 1998 and have about 12 employees that do web development, mobile app development, web design, and custom software development. Its clients are in healthcare, hospitality, IT, entertainment, and consumer products and services sectors.   

Poppins Labs is an UX design company. In Cupertino, California, their small team provides UX/UI Design, IT staff augmentation, Mobile App Development, Artificial Intelligence, and more. The agency was founded in 2024.

Sunvera Software is a small mobile application development firm. Located in Irvine, California, the firm was launched in 2013. Their services include Mobile App Development, Artificial Intelligence, and AI Consulting.

Founded in 2008, Bixly is a mobile app and web development company based in Fresno, Calif. The team of 27 work with small and midmarket companies in the financial services, health care, and marketing industries. 

Futurealiti, an user experience design agency, was launched in 2016. The company focuses on ux/ui design, AR/VR development, content marketing, graphic design, and more and has a midsize team.

Seamgen is a San Diego, Calif.-based development firm established in 2008. It has a team of about 50 that does mobile app development, web development, UI/UX design, and custom software development. 

Digital strategy company Hylink Digital was established in 1994. The midsize team offers digital strategy, mobile app development, mobile & app marketing, search engine optimization, and more. The firm is headquartered in Santa Monica, California and Kowloon, Hong Kong.

Sytepoint, Inc. Is a Los Angeles, California-based app development company. Founded in 2008, the small team offers mobile app development, web development, ux/ui design, branding, and more.

Fisherman Labs is a 10+ web and mobile app development firm specializing in AR/VR and emerging technologies. Based in Los Angeles and with an office in Frisco, TX, they’ve been creating bespoke digital solutions for leading brands since 2014.