How many employees work at White Mountain Insur Grp?
White Mountains Insurance Group Ltd. has 924 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 9.3%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 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 December 2025
White Mountain Insur Grp
workforce metrics
Headcount
924
Avg. Salary
$107.5k
Tenure
4.4yr
Growth Rate
9.3%
Hiring Rate
Attrition Rate
For even more metrics data,
reach out to our sales team.
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 925, a 9.3% increase from 2024.
- White Mountain Insur Grp total number of employees in 2024 was 843, a 8.2% increase from 2023.
- White Mountain Insur Grp total number of employees in 2023 was 777, a 6.8% increase from 2022.
Would you like to see the latest employee headcount data?
Employee Geographic Breakdown
Would you like to see the latest employee geographic data?
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 14, a 19.4% decline from 2024.
- White Mountain Insur Grp active job postings in 2024 was 17, a 26.7% increase from 2023.
- White Mountain Insur Grp active job postings in 2023 was 13, a 37.5% decline from 2022.
Would you like to see the latest active job postings data?
Employee Sentiment
Sentiment Topics
Would you like to see the latest employee sentiment data?