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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

June 20, 2024

Driving during the summer, especially over a holiday weekend, increases your odds of being in an accident. That’s because of the high volume of cars on the road, roadwork, impaired...

June 6, 2024

Commercial insurance rates are increasing on nearly every line of coverage, thanks to a rise in the frequency and severity of claims. And business owners are noticing significant premium hikes...

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