Insights

Leadership Transition White Mountains Insurance is undergoing significant leadership changes with the upcoming retirement of CEO Manning Rountree at the end of 2025 and the appointment of Liam Caffrey as the new CEO starting in 2026. This transition presents an opportunity to offer executive consulting, leadership development, and technology solutions tailored for evolving corporate governance needs.

Financial Stability With annual revenues ranging between 100 million and 250 million dollars, White Mountains Insurance demonstrates a solid financial position. This stability indicates the company's capacity for investing in innovative insurance solutions, digital transformation initiatives, and risk management services, making it a suitable target for long-term partnerships.

Strategic Focus The recent appointment of a Chief Strategy Officer highlights a strategic focus on growth and operational efficiency. Providers of strategic consulting, analytics, and digital tools can engage with White Mountains to enhance their strategic initiatives and leverage technology to improve market positioning.

Market Position Operating in the insurance sector with a manageable employee base, White Mountains positions itself as a niche, sophisticated player seeking stability and partnership. This focus provides opportunities for technology vendors, compliance advisory firms, and innovation partners aiming to support niche insurers looking for tailored solutions.

Digital Engagement The company's tech stack includes WordPress, Cloudflare, and SEO tools, indicating a strong digital presence and ongoing online engagement. Companies offering digital marketing, website optimization, cybersecurity, and cloud services can align their offerings with White Mountains' existing infrastructure to enhance their digital footprint.

White Mountains Insurance Group Tech Stack

White Mountains Insurance Group uses 8 technology products and services including WordPress, Cloudflare, Google Fonts API, and more. Explore White Mountains Insurance Group's tech stack below.

  • WordPress
    Content Management System
  • Cloudflare
    Content Management System
  • Google Fonts API
    Font Scripts
  • Lightbox
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • Priority Hints
    Performance
  • Yoast SEO
    Search Engines
  • HSTS
    Security

Media & News

White Mountains Insurance Group's Email Address Formats

White Mountains Insurance Group uses at least 1 format(s):
White Mountains Insurance Group Email FormatsExamplePercentage
FLast@whitemountains.comJDoe@whitemountains.com
92%
FirstLast@whitemountains.comJohnDoe@whitemountains.com
4%
First.Last@whitemountains.comJohn.Doe@whitemountains.com
3%
First_Last@whitemountains.comJohn_Doe@whitemountains.com
1%

Frequently Asked Questions

What is White Mountains Insurance Group's phone number?

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You can contact White Mountains Insurance Group's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is White Mountains Insurance Group's stock symbol?

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White Mountains Insurance Group is a publicly traded company; the company's stock symbol is WTM.

What is White Mountains Insurance Group's official website and social media links?

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White Mountains Insurance Group's official website is whitemountains.com and has social profiles on LinkedIn.

What is White Mountains Insurance Group's SIC code NAICS code?

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White Mountains Insurance Group's SIC code is 6331 - Fire, Marine, and Casualty Insurance NAICS code is 524 - Insurance Carriers and Related Activities.

How many employees does White Mountains Insurance Group have currently?

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As of December 2025, White Mountains Insurance Group has approximately 51 employees across 1 continents, including North America. Key team members include Cfo Life Re: W. G.Chief Strategy Officer / Evp: G. H.President & Chief Financial Officer: L. C.. Explore White Mountains Insurance Group's employee directory with LeadIQ.

What industry does White Mountains Insurance Group belong to?

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White Mountains Insurance Group operates in the Insurance industry.

What technology does White Mountains Insurance Group use?

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White Mountains Insurance Group's tech stack includes WordPressCloudflareGoogle Fonts APILightboxjQueryPriority HintsYoast SEOHSTS.

What is White Mountains Insurance Group's email format?

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White Mountains Insurance Group's email format typically follows the pattern of FLast@whitemountains.com. Find more White Mountains Insurance Group email formats with LeadIQ.

When was White Mountains Insurance Group founded?

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White Mountains Insurance Group was founded in 1985.

White Mountains Insurance Group

InsuranceHamilton, Bermuda51-200 Employees

White Mountains (NYSE: WTM) is a diversified insurance and related financial services holding company that owns and manages businesses seeking a stable, sophisticated partner to drive value creation. Grounded in the core principles of our visionary founder Jack Byrne, we have been careful, opportunistic and successful stewards of our shareholders’ capital for more than three decades.

We are most proud and protective of our reputation as a good partner – to our shareholders, to other stakeholders in our businesses and to the talented management teams who run them. In the end, doing right by your partners is what guarantees the next deal and the deal after that.

We are domiciled in Hamilton Bermuda, with executive headquarters in Hanover, New Hampshire, and offices in Boston, and Guilford, Connecticut.  For information about career opportunities at White Mountains, please contact careers@whitemountains.com

Section iconCompany Overview

Phone number
SIC Code
6331 - Fire, Marine, and Casualty Insurance
Stock Symbol
WTM
NAICS Code
524 - Insurance Carriers and Related Activities
Founded
1985
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    White Mountains Insurance Group's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    White Mountains Insurance Group's revenue is estimated to be in the range of $100M$250M

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