Your Reliable Reinsurance Partner

For over 25 years, we have provided stable reinsurance capacity to support our internal and external clients’ long-term ambitions. Backed by a strong capital base and rooted in operational thinking, we understand our clients’ businesses because we come from the same world. We don’t chase opportunities — we build resilient partnerships, bringing flexibility and expertise where it truly matters.

About Our Identity

Originally founded in 2000 to serve the insurance needs of HOCHTIEF — a worldwide operating construction company and part of ACS Group, a global leader in construction and infrastructure projects — Stonefort Reinsurance has grown into one of the top five reinsurers in Luxembourg. Our expertise is built on the experience of a dedicated team rooted in real project experience within an operational group, giving us a deep and practical understanding of the business challenges faced by our clients.

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Key features

Strong Financial Foundation, Resilient by Design.

Figures as at 31 December 2024.

310%

Solvency II ratio

310%

Solvency II ratio

55%

AVG Loss Ratio (25 consecutive years)

55%

AVG Loss Ratio (25 consecutive years)

743M

Eligible Own Funds (SII)

743M

Eligible Own Funds (SII)

25%

AVG EBIT margin (25 years)

25%

AVG EBIT margin (25 years)

$1.2B

Assets Under Management

$1.2B

Assets Under Management

A-

Excellent
Stable Outlook

A-

Excellent
Stable Outlook

Reinsurance with Depth and Purpose

At Stonefort, reinsurance is not a product — it’s a solution and a responsibility.

Beside our embedded group reinsurance solutions we focus on three core lines – provided to external cedents: PDBI / Nat Cat, Casualty, and Surety. Each is underwritten with discipline, supported by strong capital, and shaped by real operational insight. Our goal is to provide long-term capacity that adapts to the complexity of our clients’ risks — not to follow market cycles, but to help manage them.

Ancillary Activities

Stonefort Insurance
Following our strategic refocus, Stonefort Insurance has transitioned into run-off, managing its legacy portfolio with care and full compliance.

Learn more about us
Stonefort Captive Management

Historically providing captive advisory services within the group, this activity has been paused to prioritize our reinsurance core business.

more information on our ancillary activites

Media

Stay informed with our latest news, insights, reports, and regulatory disclosures — all in one place.


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Latest news
07/20/2025
Strengthening Our Partnership with Toricon Partners

At Stonefort Re, we believe that great partnerships drive great outcomes. We are proud to deepen our collaboration with Toricon Partners LLC by extending a delegated underwriting authority for P&C reinsurance business in Switzerland.

This step is more than an operational milestone — it’s a reflection of our shared vision for sustainable, data-driven, and disciplined underwriting across the region.

Strengthening Our Partnership with Toricon Partners

Welcoming Dr. Peter F. Hugger to our Board of Directors

Stonefort Reinsurance Donates €5,000 to Fondation Cancer Luxembourg

Contact

location-stonefort
Strategically located at the heart of Europe to serve the needs of global construction and infrastructure leaders.

Stonefort Reinsurance SA

Head Office

4, rue Neuerburg
L-2215 Luxembourg