News:
Movers & Milestones
Posted: April 3, 2026
MountainOne Insurance Agency opens Great Barrington, MA office
Great Barrington, MA MountainOne Insurance Agency, Inc. is opening of an office at 4 Castle St., Suite 201, marking a meaningful expansion of its presence in Southern Berkshire County.
The appointment-only office will be staffed by account executive Dan Blaisdell, providing a local point of connection for clients throughout the southern Berkshires. Blaisdell specializes in business insurance and brings deep knowledge of the region, along with longstanding relationships built through years of working closely with local organizations and entrepreneurs.
The new office brings MountainOne Insurance closer to the clients it serves across Southern Berkshire County, offering personalized insurance guidance from a trusted local advisor who understands the community and its needs.
“Southern Berkshire County is an important part of the communities we serve, and opening a Great Barrington office allows us to be more present and more accessible,” said Jonathan Denmark, Executive Vice President of MountainOne Bank and President and Chief Operating Officer of MountainOne Insurance. “Dan’s longstanding relationships and understanding of the region make this a natural step forward.”
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