WHITE MOUNTAINS INSURANCE GROUP, LTD.

LEI: 549300N3FL068JERBG02
Bermuda
Last updated: Jul 23, 2026
ACTIVEISSUED

Entity Information

Legal Entity Identifier (LEI)
549300N3FL068JERBG02
Registration ID
27225(ID: RA000028)
Legal Form
7AS7
Jurisdiction
Bermuda
Legal address country
Bermuda

Entity Names

Legal Name

WHITE MOUNTAINS INSURANCE GROUP, LTD.(Language: en)

Addresses

Legal Address

A.S. Cooper Building
26 Reid Street
Hamilton, HM 11, Bermuda

Loading map...

Headquarters Address

23 South Main Street
Hanover, US-NH, 03755, United States

Loading map...

Additional Information

Entity Status

Current Status

ACTIVE

Need to maintain compliance?

LEIs must be renewed annually to keep your entity's information up to date

Renew this LEI

Reference Guide

LEI status meaning

This LEI is issued, which usually means the registration is active and suitable for current reference and compliance checks.

Renewal date

The next renewal date is July 29, 2027. This is the key deadline for keeping the LEI record current.

Jurisdiction

WHITE MOUNTAINS INSURANCE GROUP, LTD. is registered under jurisdiction BM. Match that jurisdiction with the legal address and local registration number before relying on the LEI.

Parent and ultimate parent

Direct parent is not published because a reporting exception applies: NON_CONSOLIDATING. Ultimate parent is not published because a reporting exception applies: NON_CONSOLIDATING.

How to verify this entity

  1. Match the legal name "WHITE MOUNTAINS INSURANCE GROUP, LTD." to the entity you expect.
  2. Check local registration number 27225 against authority RA000028.
  3. Confirm the validation source RA000028 and reference 27225.

LEI Verified Badge

Display your verified LEI status on your website with our free badge widget

Get Your Badge Code

Click "Show Code" to view the HTML code for your LEI Verified badge

Entity & LEI Status Summary

This Legal Entity Identifier (LEI) record pertains to WHITE MOUNTAINS INSURANCE GROUP, LTD., identified by the LEI 549300N3FL068JERBG02. The entity is formally registered under the jurisdiction of Bermuda (via RA000028, registered as 27225) and lists its legal address country as Bermuda. It operates under the legal structure defined as "7AS7", classified under the category "GENERAL".

The current operational status of the entity is reported as "ACTIVE". The LEI registration itself is currently "ISSUED", managed by the Local Operating Unit (LOU) 5493001KJTIIGC8Y1R12. Key dates associated with this registration include its initial establishment on May 14, 2016, its most recent update on Jul 23, 2026, and a scheduled renewal date of Jul 29, 2027.

Maintaining an active and up-to-date LEI is crucial for WHITE MOUNTAINS INSURANCE GROUP, LTD. to ensure continuous participation in global financial markets and regulatory reporting. The corroboration level for this record is "FULLY_CORROBORATED", indicating the extent to which the information has been verified against official registers. The primary validation of this information was performed by RA000028 (as 27225).

Registration Details

Timeline

  • Initial Registration
    May 14, 2016
  • Last Updated
    Jul 23, 2026
  • Next Renewal
    Jul 29, 2027

Validation

Primary Validation

Authority ID
RA000028
Registration Number
27225

Status Information

Registration Status
ISSUED
Corroboration Level
FULLY_CORROBORATED

Managing Authority

Local Operating Unit (LOU)
5493001KJTIIGC8Y1R12

Corporate Structure

Direct Parent

Reporting Exception

Reason: NON_CONSOLIDATING

Category: DIRECT_ACCOUNTING_CONSOLIDATION_PARENT

Ultimate Parent

Reporting Exception

Reason: NON_CONSOLIDATING

Category: ULTIMATE_ACCOUNTING_CONSOLIDATION_PARENT

Corporate Structure Visualization

Direct Parent Exception
NON_CONSOLIDATING
Ultimate Parent Exception
NON_CONSOLIDATING
WHITE MOUNTAINS INSURANCE GROUP, LTD.
LEI: 549300N3FL068JERBG02
ARK INSURANCE HOLDINGS LIMITED
LEI: 213800BX5SRI8ZP4XX52
HG Global Ltd.
LEI: 549300NVCOQ53696EA08
WHITE MOUNTAINS CAPITAL LLC
LEI: 549300HC5IMI5F1LI438
WHITE MOUNTAINS INVESTMENTS (BERMUDA) LTD.
LEI: 5493002UCNBUJ4KSNR26
Legend:
Current Entity
Parent Entity
Child Entity
Sibling Entity
Owned by / Child of
Owns / Parent of
Exception Reported

Relationship overview showing parent, sibling, and child entities linked to this LEI.

Child Entities

ARK INSURANCE HOLDINGS LIMITED

LEI: 213800BX5SRI8ZP4XX52

View Details

HG Global Ltd.

LEI: 549300NVCOQ53696EA08

View Details

WHITE MOUNTAINS CAPITAL LLC

LEI: 549300HC5IMI5F1LI438

View Details

WHITE MOUNTAINS INVESTMENTS (BERMUDA) LTD.

LEI: 5493002UCNBUJ4KSNR26

View Details