Top 100 Cross Platform App Developers in San Francisco

AlgoRepublic is a software development firm that has been offering custom software development, mobile app development,and web development services to their clients since 2014. Their team of 250 employees are based out of their Lahore office.

Headquartered in Belmont, California; Pleasanton, California; North Sydney, Australia and Sharjah, United Arab Emirates, Folio3 is a midsize ERP consulting and SI company. Launched in 2005, the team provides ERP consulting and SI, Mobile App Development, Wearable App Development, Custom Software Development, and more.

Website development firm JetRuby Agency is headquartered in Alexandria, Virginia and San Francisco, California. The midsize team offers Web Development, Mobile App Development, Artificial Intelligence, Custom Software Development, and more and was established in 2010.

UPQODE is a web design agency based in Nashville, Tennessee; New York, New York; Tampa, Florida and Seattle, Washington. They focus on Web Design, Web Development, UX/UI Design, Custom Software Development, and more and were launched in 2015.

Kwanso LLC is a design and development agency headquartered in San Francisco. Founded in 2012, their team of fewer than 50 employees serves mostly midmarket businesses in the IT, media, and advertising and marketing industries. Services include mobile app, custom software, and web development.

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.

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.

Grio is a software consulting firm based in San Francisco, Calif, that was established in 2008. Their team of 50 employees offers web development, mobile app development, and UX/UI design services.

Siddhi Infosoft is a web and mobile app development company based in San Francisco, with a secondary location in Ahmedabad, India. Siddhi Infosoft was founded in 2011 and has 25 employees. Services offered by this company include mobile app development and web development for companing ranging from startups to Fortune 500 brands.

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.

IMRepublic, Inc, a custom software development company, was established in 2005. The small San Francisco, California-based team provides custom software development, mobile app development, web development, ux/ui design, and more.

Appstem is a design and development agency with based in San Francisco. Since 2010, their team of 11 employees has been specializing in mobile app development, UX/UI design, AR/VR development, and more for mainly enterprise clients. 

Scalio is a global digital product agency based in San Francisco, with offices in Atlanta and in Orange, Calif. The agency, founded in 2011, has more than 40 employees and provides, among others, web design, UX/UI design, and web development services to midmarket and other companies in various industries. 

Founded in 2021, Nimi Tech Limited is a small software development firm based in Oakland, California; Colombo, Sri Lanka and Chennai, India. Their services include custom software development, web development, mobile app development, IT staff augmentation, and more.

The Rocked Code is a custom software development firm. Their midsize team is located in Ciudad de México, Mexico. Their services include custom software development, other IT consulting and SI, application management & support, product design, and more. The agency was established in 2016.

Based out of Orinda, CA with satellite offices in India and Croatia, Daxima is a software development company. The team of more than 50 employees has been in business since 2003. They provide web, software, and mobile app development for clients around the world.

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.

GITS Indonesia is a midsize cloud consulting & SI company. Based in Bandung, Indonesia, the firm was founded in 2010. Their team focuses on cloud consulting & SI, mobile app development, custom software development, and web development.

Located in San Mateo, California and Beograd, Serbia, Action Engine is a software development firm. They offer custom software development, web development, ux/ui design, mobile app development, and more and were launched in 2017.

Established in 2011, AppTecHub is a large mobile application development company. Their team offers mobile app development, web development, and custom software development. The agency is located in San Francisco, California.

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. 

Extractable is a San Francisco based boutique digital strategy and experience design firm. Founded in 1999, the company employs a team of 24.  Extractable offers UX/UI design, digital strategy, web design, web development, content marketing, and mobile app development. Their client base primarily includes large enterprise and mid-size companies.

DreamLabs is a small software development company. They focus on custom software development, web development, and mobile app development and were founded in 2022. The agency is headquartered in Emeryville, California.

UX design agency webkeyz is headquartered in San Francisco, California and Cairo, Egypt. The small agency was established in 2009. Their services include ux/ui design, product design, and branding.

Motzheim Development is a San Francisco, California-based mobile app development company. The small company was established in 2023. Their team provides mobile app development, ux/ui design, custom software development, web development, and more.

AppMaster is a custom software development firm. The midsize San Francisco, California-based firm was established in 2020. Their team provides custom software development, web development, and mobile app development.

Quant Five LLC is a website development company launched in 2017. They are in Berkeley, California and have a small team. Their services include web development, ux/ui design, blockchain, mobile app development, and more.

PEARL ORGANISATION is a midsize custom software development company headquartered in Dehradun, India. Launched in 2011, the team provides custom software development, e-commerce development, web design, application testing, and more.

Located in San Mateo, Calif., Ribbonfalls is a full stack development house boasting a team of at least 50 employees. The company was started in 2019 and offers mobile app, web, and custom software development as well as UX/UI design services. Their clients range from small to mid-sized businesses.

GoSolve LLC is a San Francisco, California-based software development firm. The midsize agency was founded in 2021. Their team provides custom software development, IT staff augmentation, web development, mobile app development, and more.