E-mail service company 123Together.com has relocated to a larger facility in Waltham.

The new 17,815-square-foot office at 309 Waverley Road combines both 123Together.com and the corporate headquarters of its parent company, mindSHIFT Technologies. This expansion is a result of the steady increase in the sale of cloud services, such as hosted Microsoft Exchange e-mail service and virtual servers, by small- and mid-sized businesses worldwide, according to a statement.

"2,500 companies worldwide became 123Together.com hosted Exchange Server 2007 e-mail customers over the last two quarters and created 24,000+ new mailboxes. These numbers confirm that businesses are embracing cloud-based services, even for their mission critical email," said William Flynn, 123Together.com general manager.

123Together.com was named by Microsoft as its hosting partner of the year for the sales, service and support it provides for Microsoft Exchange hosting, SharePoint hosting, mobile e-mail services and other online services.

mindSHIFT Technologies was represented by Jones Lang LaSalle.