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When It Comes To Insurance, We Cover A Lot Of Ground. It's in our nature! Our Down to Earth Mountaineers Can Help You Navigate Your Unique Insurance Needs.


Welcome, Longmeadow!

Join us in welcoming G.W. Morisi Insurance Agency to the MountainOne family! As a third generation, family-owned agency, they have served Longmeadow and neighboring communities for more than 75 years!

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Welcome, Stockbridge!

We are excited to serve you from our new office at 31 Main Street! We invite you to stop in and say hello. In the meantime, explore our website to learn more about MountainOne Insurance!

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High-Value Home Insurance

Specializing in high-value home insurance for high-net-worth clients for over 50 years! We cover your unique needs, including property insurance, contents, valuable articles, personal liability, umbrella coverage, and more.

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Personal Insurance

We’re the insurance provider more local residents and businesses trust. To help earn this trust, we help you find the right coverage to fit your needs.

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Business Insurance

We know that every business is different and so are its needs. With our staff of experts, we partner with you to find the insurance solutions that protect you against the unique risks that your business faces.

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Group Benefits

More than anything, today's executives, business owners and HR decision-makers desire one characteristic from an Employee Benefits strategy: Simplicity.

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Our company understands the intricacies of the complex bonding industry and has the expertise to put together the most competitive bonding packages available in the marketplace.

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When it comes to Medicare, you have choices. Let us help you find the best plan to fit your health care needs.

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Top Insurance Employer

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2022 Top Insurance Employer

Recent Updates

May 2, 2024

Does your employee benefits plan give employees what they want? If you answered “no” or “I don’t know,” it’s time for a needs assessment. Here’s what you will need to...

April 18, 2024

Home insurance prices fluctuate based on your home’s location, value, age, and construction materials. The national average for home insurance is around $2,614 per year for $250,000 in dwelling coverage,...

SCHEDULED MAINTENANCE: Digital Banking may be unavailable on Sunday, May 19, between 12:00am–4:00am for routine system maintenance. Please submit any transactions before or after this timeframe. Thank you!

HOLIDAY NOTICE: In observance of Memorial Day, all MountainOne offices will be closed Monday, May 27. As always, our Digital Banking services are available 24 hours a day.