Mutual Boiler Reinsurance

What Mutual Boiler Reinsurance does

Mutual Boiler Reinsurance, operating commercially as FM Boiler Re, is the equipment breakdown reinsurance division of Factory Mutual Insurance Company, a mutual insurance group headquartered in Malvern, Pennsylvania. Founded in 1877, the company provides specialized reinsurance solutions to 250+ insurance carrier partners across three primary segments — Commercial Equipment Breakdown, Farmowners Equipment Breakdown, and Homeowners Equipment Breakdown. Its revenue model is built on recurring reinsurance premiums earned from ceding carriers in exchange for assuming equipment breakdown risk on boilers, machinery, and related systems, with terms negotiated individually under a quote-based pricing structure.

The company complements its core reinsurance products with three professional service lines — claims handling, engineering, and underwriting — delivered through an enterprise field sales motion targeting carrier partners. Its technology layer consists of the FM Boiler Re Online client portal, a Client Training Center with online modules, and a content ecosystem of 200+ equipment breakdown resources covering topics such as lithium-ion battery hazards and natural disaster preparedness (NatHaz Toolkit). Distribution is multi-channel, combining direct partner engagement with content marketing across LinkedIn, YouTube, the "Gears in Motion" email newsletter, webinars, and an Insights publication.

FM Boiler Re operates as one brand within the broader Factory Mutual Insurance Company group alongside FM Affiliated, FM Approvals, FM Cargo, and FM Renewable Energy. As a mutual insurance subsidiary, ownership rests with policyholders rather than public shareholders; no external venture or private equity capital is disclosed. Partner retention is a defining metric, with 47% of carrier partners maintaining relationships exceeding 15 years, signaling deep embedment within ceding carriers' equipment breakdown programs.

Name

Mutual Boiler Reinsurance

Legal name

Factory Mutual Insurance Company

Website

https://mutualboilerre.com

Company type

Private

Founded year

1877

Operating status

Operating

Short description

Mutual Boiler Reinsurance (FM Boiler Re) is the equipment breakdown reinsurance division of Factory Mutual Insurance Company, providing specialized reinsurance, claims, engineering, and underwriting services to 250+ insurance carrier partners across commercial, farmowners, and homeowners segments.

Ownership category

akta.pro rank

Product category

Equipment Breakdown Reinsurance

NAICS

Reinsurance Carriers (52413), Reinsurance Carriers (524130)

akta.pro primary industry

Equipment Breakdown / Boiler & Machinery Insurance (FSAJACAI)

Keywords

• Equipment breakdown reinsurance
• Boiler and machinery reinsurance
• Claims handling services
• Loss prevention training
• Property reinsurance solutions

Headquarters

HQ city

Malvern

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Equipment Breakdown Reinsurance Premiums: FM Boiler Re provides specialized equipment breakdown reinsurance solutions to insurance carriers. The company earns premiums from ceding insurers in exchange for covering equipment breakdown risks including boilers, machinery, and related equipment failures.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Mutual Boiler Reinsurance (operating as FM Boiler Re) provides specialized equipment breakdown reinsurance solutions to insurance carriers, covering commercial, farmowners, and homeowners policyholder risks. The company complements its reinsurance offerings with claims handling, engineering, and underwriting services, along with an online client portal (FM Boiler Re Online), a Client Training Center, and over 200 equipment breakdown resources for loss prevention education.

Product overview

FM Boiler Re is a specialized equipment breakdown reinsurance provider offering a comprehensive suite of solutions. The core product portfolio includes three distinct Equipment Breakdown insurance products: Commercial Equipment Breakdown for business policyholders, Farmowners Equipment Breakdown for agricultural operations, and Homeowners Equipment Breakdown for residential coverage. These are complemented by professional services including claims handling, engineering, and underwriting support. The company also provides extensive resources including over 200 equipment breakdown resources, a Client Training Center with online modules, lithium-ion battery safety resources, and the NatHaz Toolkit for natural disaster preparedness. FM Boiler Re Online serves as the client portal for account access and management. With 250+ partner companies and 200+ resources, the company operates under the Factory Mutual (FM) organization umbrella.

Differentiator

Problem solved

Functional benefit

Products and services

• Commercial Equipment Breakdown Equipment breakdown reinsurance coverage for insurance carriers protecting commercial policyholders from gaps in equipment breakdown coverage with a comprehensive package solution.
• Farmowners Equipment Breakdown Equipment breakdown reinsurance coverage for insurance carriers offering farmowners policies, picking up where standard farm policies leave off for technologically advanced farms.
• Homeowners Equipment Breakdown Equipment breakdown reinsurance coverage for insurance carriers offering homeowners policies, providing expansive and flexible protection to enhance residential insurance line offerings.
• Claims Handling Services Claims handling services provided to insurance carrier partners as part of tailored reinsurance support offerings.
• Engineering Services Engineering services provided to insurance carrier partners to support equipment breakdown risk assessment and mitigation.
• Underwriting Services Underwriting services with personalized support provided to insurance carrier partners.
• Client Training Center Online training modules covering valuable industry information and current loss trends for client education and partner enablement.
• FM Boiler Re Online Client Portal Client login portal providing access to guides, videos, and account management tools for partner insurance carriers.

Quantifiable outcome

• 250+ partner companies rely on FM Boiler Re for equipment breakdown reinsurance
• +1 more outcomes

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• FM (Factory Mutual Insurance Company)coreStrategic or Co-development PartnerFM Boiler Re is a division of Factory Mutual Insurance Company. FM provides the parent organization and brand for FM Boiler Re, FM Affiliated, FM Approvals, FM Cargo, and FM Renewable Energy, operating as a unified insurance group focused on property risk management and loss prevention.

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• CNA Financial: CNA is a US commercial property and casualty insurer with equipment breakdown offerings for businesses. Comparable to FM Boiler Re as a commercial-line incumbent that competes in similar equipment breakdown underwriting and reinsurance purchasing decisions.
• Munich Re: Munich Re is one of the world's largest reinsurers, with diversified lines including property, casualty, and specialty. Its HSB division competes directly with FM Boiler Re in equipment breakdown, while the broader group competes across many of the same primary insurance carrier relationships.
• Liberty Mutual Insurance: Liberty Mutual is a major US property and casualty insurer with equipment breakdown coverage across personal and commercial lines. Comparable to FM Boiler Re as a large incumbent that both offers equipment breakdown products and accesses reinsurance for those exposures.
• AIG: AIG is a major global property and casualty insurer with commercial equipment breakdown and specialty coverages. Comparable as a broad incumbent with the brand and balance sheet to compete in the same equipment breakdown market segments as FM Boiler Re.
• Zurich Insurance Group: Zurich is a global insurer and reinsurer with commercial property, equipment breakdown, and specialty lines. Comparable as a broad incumbent with the scale to underwrite and reinsure equipment breakdown risks alongside FM Boiler Re.
• Allianz: Allianz is a global insurer and reinsurer offering commercial and specialty lines including equipment-related coverage. Comparable to FM Boiler Re as a broad incumbent operating at the intersection of primary insurance and reinsurance for property and equipment risks.
• Chubb: Chubb is a global property and casualty insurer with commercial equipment breakdown and related specialty coverages. Comparable to FM Boiler Re as a broad incumbent serving overlapping commercial and high-net-worth residential equipment breakdown risk.
• Travelers: Travelers is a major US commercial property and casualty insurer with equipment breakdown offerings. Comparable as a large incumbent that both underwrites equipment breakdown directly and interacts with reinsurance providers like FM Boiler Re as a partner.
• Swiss Re: Swiss Re is a top global reinsurer offering property, casualty, and specialty lines including equipment-related cover. Comparable to FM Boiler Re as a broad reinsurance incumbent with capacity to assume equipment breakdown risk alongside other lines.

Direct peers

• Hartford Steam Boiler (HSB): HSB, a Munich Re company, is the most direct peer to FM Boiler Re, specializing in equipment breakdown and boiler & machinery insurance and inspection services for commercial and industrial clients. Both serve the same niche risk class with reinsurance/insurance, engineering, and claims capabilities, and compete for the same primary insurance carrier and end-customer relationships.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@FMBoilerRe
• LinkedInlinkedin.com/showcase/fm-boiler-re

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mutual Boiler Reinsurance