Appcelerator, provider of the leading enterprise mobile engagement platform, today announced a $22 million round of Series D funding led by new investor Rembrandt Venture Partners. Union Grove Venture Partners, also a new investor, and existing investors Storm Ventures, Sierra Ventures, Mayfield Fund, Translink Capital, Relay Ventures and EDB Investments also participated in the round. Appcelerator will use the funding to increase growth and accelerate adoption of its technology.

The Appcelerator Platform enables companies to build, analyze and connect suites of mobile apps rapidly and efficiently. As companies of all sizes look to mobile to boost productivity and engage employees and clients alike, Appcelerator has seen major adoption of its platform, adding more than 125 new customers in the past year, including Avis, Comerica Bank, Family Dollar and Sprint.

'The choice for us to invest in Appcelerator was clear; no other company has such a complete set of capabilities to enable enterprises to build and scale a mobility program,' said Douglas Schrier, managing partner at Rembrandt Venture Partners. 'Many successful brands already trust Appcelerator to power company-wide mobile app initiatives and, as more and more companies put mobile at the top of the corporate agenda, there is tremendous opportunity for Appcelerator to lead the way forward. Appcelerator has the vision, passion and team to power a mobile-first approach for any organization.'

Mobile apps are now a primary means for people to access information, make purchases and get their jobs done. As users everywhere move from desktops to smartphones and tablets, companies are realigning their digital strategies and the underlying tools and infrastructures to make these strategies a reality. The Appcelerator Platform seamlessly extends enterprise infrastructures for a mobile world, combining native cross-platform app development and testing capabilities with innovations for mobilizing data and measuring success via real-time mobile analytics.

'Mobile changes the way every organization interacts with its users and delivers services, and we want to give every company the tools to unlock the power of mobile to grow their business and stay competitive,' said Jeff Haynie, CEO of Appcelerator. 'Our platform addresses a major challenge that enterprises face in the post-web world: how to build a full suite of high-impact mobile apps quickly and at scale. Working with Rembrandt Venture Partners and Union Grove Ventures will allow us to deliver our platform functionalities across a wider set of companies and build on our reputation for wildly successful customer implementations.'

About Appcelerator

Mobile apps are fast replacing web applications as the way we buy, share, search, learn and collaborate. Appcelerator helps companies solve for this new reality with a mobile engagement platform to drive great mobile app experiences, quickly and at scale. The Appcelerator Platform speeds time to market with native cross-platform app development & testing, simplified access to data via mobile-optimized APIs, and comprehensive real-time analytics to power user engagement and measure success. Appcelerator also provides an award-winning open source mobile development environment, Titanium. With over 70,000 mobile apps deployed on 225+ million devices, Appcelerator's solutions are backed by the world's largest mobile ecosystem, including better than 600,000 mobile developers and hundreds of ISVs and strategic partners, among them Accenture, Cognizant and CSC. Over 70% of Fortune 100 enterprises count on Appcelerator for their mobile success.