Top 100+ Mobile App Development Companies in California

Imaginary Cloud is a Software Development and UX/UI Design company that has helped build and launch more than 300 web & mobile applications worldwide together with industry leading clients such as Nokia, Thermo-Fisher and BNP Paribas.

With more than 10 years of experience, Imaginary Cloud entered the international ranking of the Top 100 Fastest Growing Companies and Top 1000 Global Companies in 2020 by Clutch and then won UK´s Top B2B Company in 2021. Offices in PT, UK and US.

We design and develop technology products and platforms that give you a distinct digital advantage. Our clients get a wide range of ROI-driven solutions infused with our technical and strategic excellence.

We know how to create business value, not just another piece of software.

Yellow has already helped 40+ businesses succeed on the market. Within 5 years we have been recognized as Clutch’s Top 1000 Global Service Provider, a Top Mobile App Developer, and a Top B2B Company.

The Felice Agency is a Design Agency and Marketing Strategy service provider. It specializes in Logo Design, Web Designing (UI/UX), Marketing Strategy, Market Research, Public Relations, Advertising and Social Media services. Founded by Tony Felice in 2008, the company is routinely listed to the top 10 best PR Firms, Advertising Agencies, Digital Marketing Companies and Web Design Firms in Phoenix and San Diego.

Magneto is an award-winning eCommerce agency. Our core competencies lie in developing market-leading end-to-end B2C, B2B eCommerce solutions development, ERP, CRM integration & Digital Marketing. From creating strikingly beautiful web stores to innovative mobile applications, our team uses the agile methodology to develop industry-leading User Interfaces to deliver the perfect experience to the end-user.

Diffco
Build and scale your business fast with our world-class senior developers
Hire our full-time team of senior developers to launch, accelerate, and support your business applications. Mobile. Web. AI.

VironIT develops custom software to help businesses reach new heights, improve the quality of the existing product, reduce time to market and development costs.
Having fulfilled over 500 software development projects, VironIT has gained extensive experience in financial services, travel, retail, eHealth, and game dev industries.
Seasoned developers, top-tier project managers, business analysts, and UX/UI designers provide high-quality and cost-effective software development services. VironIT provides services including the development of mobile applications, web-oriented applications, business software solutions, as well as software integration and updating, support, and maintenance of software applications.

HashCash is a global software company. Banks, exchanges, merchants and other Enterprises use HashCash Products for remittance, corporate payment, currency exchange, payment processing and more. HashCash runs US-based digital asset exchange, PayBito & digital asset payment processor, BillBitcoins.

300+ realized projects

15+ countries

300 000 hours of development

96% happy customers

100% developers with a Master's Degree in Computer Science

You need the best result. You will get it. With us.

Sibedge is a globally distributed software engineering company that puts people first. For over 15 years, we have successfully implemented over 350 projects across more than 27 countries. With headquarters in Australia and teams of highly-trained engineers around the world, Sibedge delivers high-value services to empower clients digital transformation and strengthen clients' software solutions. Sibedge service architecture combines both product- and project-minded development disciplines. The service architecture offers five services that have an agile partnership at their core.

ITRex is an IT consulting and software development company that creates and transforms products, services, and enterprises to drive business growth today and into the future.

Artificial Intelligence. Augmented Analytics. Machine Learning. Big Data. Robotic Process Automation. Over a decade, the company has applied in-depth expertise in a wide range of technologies across focus industries – FinTech, Retail & Ecommerce, Healthcare & Biotech, Transportation & Logistics, Entertainment & Media. The team has delivered hundreds of game-changing solutions to Fortune 500 giants, enterprises, and startups.

ITRex turns technology innovation into market-ready products and solutions to help businesses gain a competitive edge, increase operational efficiency, and maximize profits.

Ionixx Technologies is a modern-day blockchain development company that caters to both startups and enterprises. Having started its operations in 2003 as a software services and product development company, the company branched out into cutting-edge technologies including blockchain development. As one of the early adopters of blockchain technolog, Ionixx has built several use cases for a diverse clientele comprising big technology firms and startups that have achieved and sustained successful results. With design-driven development at its core, Ionixx promises to deliver secure, authentic, and high-quality blockchain solutions. So if you are looking to get a dynamic decentralized network built on blockchain, get in touch!

Since 2011, Emerline has contributed to the success of various businesses, from Silicon Valley startups to huge corporations. The key to success is quality software solutions we deliver. Their diversity ranges from web and mobile apps for iOS and Android to corporate websites, enterprise portals, and marketplace/analytics/service platforms.

Emerline experts are targeted at giving all-round support to their customers and go all the way from the product idea to realization. Whether they need to turn a napkin sketch into an impeccable UX design or transform a proof of concept into a scalable enterprise solution implementation, Emerline is ready to help, joining at any stage of development.

Stateside is an award-winning creative & technical Staff Augmentation agency that provides premium talent services in the United States. We build your digital team so you can focus on building your business.
We are headquartered in Los Angeles, California with offices in Costa Rica.
We have been featured as the Top Mobile App Development Company in Los Angeles in 2020 and 2021.