Columbus Hospitality Group

HospitalityMassachusetts, United States51-200 Employees

Columbus Hospitality Group is a Boston-based hospitality company that operates a diverse portfolio of upscale restaurants and hotels in the Boston area. Its culinary lineage centers on chef Jamie Mammano, who opened Mistral in 1997 and subsequently launched Sorellina in 2006, with The Federalist in 2005 evolving into Mooo, and Ostra joining in 2013; the group also expanded the Mooo brand in 2022 with new locations in Seaport and Burlington. The group's hotel portfolio includes XV Beacon and The Inn at St. Botolph, with Fifteen Beacon Hotel noted for its distinguished and discreet personalized service. 

CHG targets diners seeking varied, high-quality dining experiences—from French and Mediterranean to Italian-Mediterranean and seafood concepts—and guests looking for boutique or refined but approachable lodging in Boston. The company maintains a strategy of expanding its dining brands while managing properties focused on curated service and design. In May 2026, Columbus Hospitality Group participated in Boston Bakes for Breast Cancer, reflecting engagement with a local charitable event.

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