AppRiver, a leading provider of email messaging and Web security solutions, today announced it has been named to Inc. magazine's annual list of the nation's 5,000 fastest-growing private companies for the sixth consecutive year.

The Inc. 5000 is ranked according to percentage revenue growth from 2008 through 2011. Qualifying companies are U.S-based, privately held, for profit, and are not subsidiaries or divisions of other companies. AppRiver posted a total revenue percent growth of 68-percent over the past three years. Inc. 5000 also noted the company ranked 59th among all security providers. To view the complete AppRiver profile, please visit http://www.inc.com/inc5000/profile/appriver.

"We are very proud to have consistently earned a spot on the prestigious Inc. 5000 list these past several years," said Michael Murdoch, CEO, AppRiver. "This sends a strong message to our partner community and potential customers that we continue to scale in response to the demonstrated demand for AppRiver services."

The company anticipates continued growth, especially following the opening of its new Europe, Middle East and Africa (EMEA) headquarters, AppRiver AG, in Canton Aargau, Switzerland this past spring.

Founded in 2002, AppRiver now protects more than 45,000 businesses around the globe from today's most sophisticated IT threats. The company's cloud-based security suite includes email hosting, email security, archiving, encryption and Web protection services. All services come with a 30-day free trial and are backed by AppRiver's signature Phenomenal Care™.

"Now, more than ever, we depend on Inc. 500/5000 companies to spur innovation, provide jobs, and drive the economy forward. Growth companies, not large corporations, are where the action is," says Inc. Editor Eric Schurenberg.

The complete 2012 Inc. 500/5000 list can be found by visiting www.inc.com/inc5000/list/2012.

About AppRiver

AppRiver is a Software-as-a-Service (SaaS) provider offering award-winning email and Web security solutions to businesses of all sizes. Understanding the need to protect networks from today's increasingly complex IT threats, AppRiver offers businesses a comprehensive, yet affordable subscription-based solution that incorporates the latest spam and virus protection, email encryption and Web security on the market. In addition, the company provides a complete managed service for Microsoft Exchange, as well as a bundled Office 365 solution. Since its inception, AppRiver has sustained an impressive 93% customer retention rate while growing its customer base to more than 45,000 companies and over 8 million mailboxes worldwide. The company maintains offices in Florida, New York and Switzerland, and is led by an Ernst & Young Florida Entrepreneur of the Year award winner. For more information, please visit www.appriver.com.