Top California App Development Companies (127)

Atlassian creates teamwork solutions for high-performing teams. Our portfolio of collaboration and work management software products includes Jira, Confluence, Trello, Loom and Rovo. More than 300,000 businesses worldwide rely on Atlassian’s technology, including 80 percent of Fortune 500 companies. Our solutions support various business teams and they help organizations plan, track, and deliver their biggest ideas together.

We're a global community of bold visionaries and resourceful doers who are shaping the future of Dropbox—and with it the future of work. Our Virtual First model combines the flexibility of a distributed workplace with the power of human connection, making space for both meaningful work and meaningful relationships. With our start-up mindset and enterprise-level opportunities, you can be who...

Sortly is the simplest inventory platform for business and teams to stay on top of their stuff. Our visual system enables business to easily track what they have, where it is, and who has it. Anytime, anywhere, on any desktop, tablet or mobile device. Sortly is trusted by tens of 1000’s of small businesses and teams at large enterprises including HP, Honeywell,...

We contribute to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together.

NBCUniversal is one of the world's leading media and entertainment companies. We create world-class content, which we distribute across our portfolio of film, television, and streaming, and bring to life through our global theme park destinations, consumer products, and experiences. We own and operate leading entertainment and news brands, including NBC, NBC News, NBC Sports, Telemundo, NBC Local Stations, Bravo,...

Doodle Labs designs and produces industrial-grade wireless networking solutions. The company focuses on mesh networking for robotic systems, providing high throughput, long-range Mesh Rider solutions for UAVs, UGVs, AMRs and other robotic applications. The company’s Helix Mesh Rider Radio was developed with sponsorship from DIU and is the Blue UAS program’s datalink of choice. Doodle Labs was named one of Fast...

As the trusted choice for digital agencies, SaaS platforms, and web professionals, Duda powers over 1 million websites worldwide. Our platform offers a comprehensive suite of tools that enable users to efficiently create pixel-perfect, feature-rich websites at scale.

ThoughtLogik is a UK-based CRM and ERP consultancy and a Premium Zoho Partner. As a comprehensive cloud solutions provider, they offer tailored IT consulting, expert Zoho implementation services, Odoo ERP consulting, and end-to-end web and mobile app development. Their mission is to simplify and scale businesses globally by providing cloud solutions that automate key processes to transform businesses of any...

Paybotx is a rapidly growing financial technology and merchant services company dedicated to helping businesses accept payments more efficiently while providing the tools they need to operate and grow. We partner with businesses of all sizes across the United States to deliver customized payment processing solutions, point-of-sale (POS) systems, payment gateways, eCommerce integrations, virtual terminals, mobile payment solutions, and business...

FAR.AI is a technical AI research and education non-profit, dedicated to ensuring the safe development and deployment of frontier AI systems. FAR.Research: Explores a portfolio of promising technical AI safety research directions. FAR.Labs: Supports the San Francisco Bay Area AI safety research community through a coworking space, events and programs. FAR.Futures: Delivers events and initiatives bringing together global leaders in AI academia, industry...

Appentus Technologies is an IT company specializing in custom mobile app and website development services. Acting as a dedicated digital partner on a mission to bring innovation to life, they provide comprehensive solutions to help businesses grow, including web and app development and social media marketing. They leverage a team of technology experts to deliver high-quality digital transformations for businesses...

6sense HQ Limited is an offshore software development company that provides dedicated development teams, staff augmentation, and custom software solutions for startups and businesses. The firm builds web and mobile applications, MVPs, AI agents, and IoT integrations using Agile delivery and rapid onboarding. Headquartered in Dhaka, Bangladesh, it serves international clients with structured offshore teams and end-to-end product delivery.

Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide and over 500,000 business users, Replit is democratizing software development by removing traditional barriers to application creation.

The AI-native developer intelligence platform that connects the dots between your data and the context you need to drive more impact.

With over 34 prestigious awards in our portfolio, Vincit stands out as a leading development and design company renowned for its expertise in digital and commercial transformations. Our team comprises highly skilled, in-house local talent dedicated to crafting custom, results-oriented solutions in e-commerce platforms, mobile apps, web services, and embedded systems. We specialize in creating composable software and seamlessly integrating...

Founded in 2013 in San Francisco, MobileAction is a pioneer in app analytics and the growth partner of apps and games for organic and paid user acquisition. It is the go-to platform for app marketers aiming for the top charts on the App Store and the Google Play Store, trusted by industry giants like Meta, Square, Zalando, Playtika, and Adidas. MobileAction...

Social Discovery Group (SDG) is a group of social discovery companies. SDG solves the problem of loneliness, isolation, and disconnection - transforming virtual intimacy into the new normal. SDG products redefine the way people interact and connect with each other. Our portfolio includes social entertainment platforms designed to connect people online across different cultures in different parts of the world. We bring...

World Wide Technology is a systems integrator, provides information technology and supply chain solutions. Fueled by creativity and ideation, World Wide Technology strives to accelerate our growth and nurture future innovation. From our world class culture, to our generous benefits, to developing cutting edge technology solutions, WWT constantly works towards its mission of creating a profitable growth company that is...

BlackLine gives you the innovation of AI-powered software solutions you need to optimize workflows, reduce risk, and prepare for tomorrow’s strategic F&A challenges. BlackLine is the leader in the cloud financial close market and the first and only holistic solution to address intercompany operations. Companies can execute and manage financial close, intercompany, and invoice-to-cash processes with end-to-end transparency and intelligent...

Quo is a modern business phone system that brings all your calls, texts, and customer information together in one easy-to-use, AI-powered platform. It helps your team stay organized and respond faster, so you can give every customer a great experience. AI handles busywork like logging calls, organizing messages, answering FAQs, and seamlessly hands off conversations to your team when needed. Whether...