Top 100 Web Development Companies in California

Urban Insight is a digital design agency with a team of 25 professionals that provides web development, web design, and digital strategy services. Founded in 2000 and located in Los Angeles, the agency has completed over 500 successful projects for its clients.
 

Vardot is a web and software development company headquartered in Santa Clara, Calif., with offices in Jordan and Egypt. Founded in 2011, the team of 36 specializes in web development, custom software development, and web design. They work primarily with midmarket-level clients, focusing on education, media, and nonprofit.

Vincit California is a software development company that has provided mobile app development, custom software development, and UX/UI design services to their clients since 2007. Their team of 1,000 employees is based out of Irvine, Calif. With another office in Helsinki.

AirDev is a San Francisco based software development company. They were founded in 2015 and have a team of 11 employees who specialize in the custom software, web, mobile app development. 

AVA.codes is a front-end development company with offices in Berlin and Kyiv, Ukraine. Founded in 2017, their 20+ are experts in web development and keeping a narrow focus on programming user interfaces.

Cybercraft Inc. is a development agency headquartered in Lviv, Ukraine, that was established 2012. Their team of 19 offers custom software development, IT staff augmentation, web development, and more. 

Toptal is a private network of freelance technologists and designers. With more than 2000 freelance workers in its exclusive community, Toptal can be instrumental in finding the right freelance partner for development projects. The community includes developers for any platform, finance experts, and designers of both visual material and graphic interfaces. Because of its screening process, Toptal combines the reliability and expertise of an agency with the flexibility and affordability of freelance work.

Oshyn is a technology agency, based in Long Beach, Calif. and founded in 2001. Their team of 54 specializes in web, e-commerce, and mobile app development. Oshyn works with midmarket and enterprise-level clients in various industries: consumer services, healthcare, hospitality, and more.

Mayven is a San Francisco based software design and development company. They were founded in 2015 and have a team of 25 employees. They specialize in web, custom software, and eCommerce development for enterprise and midmarket clients.

Exemplifi is a development agency in Palo Alto, Calif. Founded in 2018, they have about 6 employees that serve clients in a variety of sectors. Their services are specialized in web development.

Reaktiv is a development agency in Temecula, Calif. Founded in 2011, they have about 9 employees that serve mostly enterprise and midmarket clients in the IT, media, and education sectors. Services include web development, web design, and digital strategy. 

Slam Media Lab is a small Walnut Creek, California-based SEO services firm. Their services include search engine optimization, content marketing, and web design.

Three29 is a digital marketing agency with over 10 employees based in Sacramento, Calif. Founded in 2010, Three29 primarily offers web design, mobile app development, and digital strategy services to brands across the country.

Cylogy Inc. Is a website development firm. They are located in San Francisco, California and have a small team that provides web development, application management & support, digital strategy, IT strategy consulting, and more. The company was founded in 2001.

LLT Group is a full service creative agency that has assisted clients since 2010. Their team of 50 are based primarily in Naperville, Ill., with an additional office in Boston, Mass. LLT Group focuses primarily on web design, SEO, and e-commerce development.With LLT Group's guidance, the pest control company was also able to diversify their revenue by investing in PPC campaign on Google.

Founded in 2014, Site Nine Studios is a web development company. The of 10 specialize in WordPress, CMS, Drupal, and Laravel services in their Irvine, Calif. headquarters.

Moonstone Interactive is a digital agency based in San Ramon, CA. Founded in 1996, Moonstone Interactive's team has grown to more than 10 employees. The digital agency provides a variety of different services such as e-commerce development, web design, and SEO, but specializes in web development capabilities.

Vrrb Interactive is a digital agency based in Los Angeles, with a second office in San Francisco. Founded in 2007, their team consists of around 10 employees. They offer web design, web development, and mobile app development. The primarily serve small and midmarket businesses in the advertising, business, and consumer products industries.

Software development firm Beehive Software Inc. Was established in 2021. The midsize Los Gatos, California-based team focuses on custom software development, mobile app development, web development, wearable app development, and more.

Based in Kyiv, Ukraine, EltexSoft is a software development company that was founded in 2015. Their team of 31 provides customer software development, mobile app development, and web development for small businesses; their clients are primarily in the information technology, education, retail, and e-commerce industries. 

Established in 2001, JLOOP is a mobile application development firm. Their small team is based in Long Beach, California and , . Their team focuses on mobile app development, web development, and video production.

BAUNFIRE is an UX company. Founded in 2001, the small agency is based in San Jose, California. Their team focuses on ux/ui design, branding, video production, web design, and more.

Founded in 2011, EIGHT25MEDIA is a web design firm located in Fremont, CA. The agency and its team of more than 70 have expertise in WordPress, HTML, CSS, web design, consulting and digital branding.

Black Flag Creative is a web and mobile app agency of 7 employees. Founded in 2016, their headquarters is in Sacramento, Calif. They offer web design, web development, mobile app development, UX/UI design, and branding. They primarily serve small and midmarket businesses in various industries: real estate, healthcare, manufacturing, e-commerce, and entertainment.