How many employees work at White Mountain Insur Grp?

White Mountains Insurance Group Ltd. has 1,081 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 9.3%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About White Mountain Insur Grp

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

As of September 2025

White Mountain Insur Grp
workforce metrics

Headcount

1.1k

Avg. Salary

$106.9k

Tenure

4.5yr

Growth Rate

9.3%

Hiring Rate

Attrition Rate

For even more metrics data,
reach out to our sales team.

Contact Sales

Employee Headcount

Interactive chart of White Mountain Insur Grp annual worldwide employee count from 2023 to 2025.

  • White Mountain Insur Grp total number of employees in 2025 was 1,084.073, a 9.3% increase from 2024.
  • White Mountain Insur Grp total number of employees in 2024 was 995.986, a 6.5% increase from 2023.
  • White Mountain Insur Grp total number of employees in 2023 was 923.58, a 6.3% increase from 2022.

Would you like to see the latest employee headcount data?

Contact Sales

Employee Geographic Breakdown

Would you like to see the latest employee geographic data?

Contact Sales

Employee Role Breakdown

Would you like to see the latest employee role breakdown data?

Contact Sales

Employee Compensation

Would you like to see the latest employee compensation data?

Contact Sales

Active Job Postings

Interactive chart of White Mountain Insur Grp annual active job postings from 2023 to 2025.

  • White Mountain Insur Grp active job postings in 2025 was 30, a 23.5% decline from 2024.
  • White Mountain Insur Grp active job postings in 2024 was 37, a 20.9% increase from 2023.
  • White Mountain Insur Grp active job postings in 2023 was 30, a 44.2% decline from 2022.

Would you like to see the latest active job postings data?

Contact Sales

Employee Sentiment

Sentiment Topics

Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales
Contact Sales

Would you like to see the latest employee sentiment data?

Contact Sales