Citable segment mix
WTW's latest SEC segment disclosure for revenue by geography shows Total Foreign Countries as the largest listed segment at $2.37B (49.6% of disclosed segment revenue).
| Segment | Period | Revenue | Mix |
|---|---|---|---|
| Total Foreign Countries | Mar 31, 2026 | $2.37B | 49.6% |
| UNITED STATES | Mar 31, 2026 | $982.00M | 20.5% |
| Rest of World | Mar 31, 2026 | $890.00M | 18.6% |
| UNITED KINGDOM | Mar 31, 2026 | $501.00M | 10.5% |
| Ireland | Mar 31, 2026 | $39.00M | 0.8% |
Source: SEC EDGAR segment disclosures; period Mar 31, 2026.
Continue research
Follow same-sector companies and source explainers connected to the segments view.
A factual guide to revenue segment disclosures and how Aerarium Research uses them to make company business mix easier to inspect.
A factual guide to seasonal revenue patterns and comparable (same-store) sales — why year-over-year comparisons matter and what comp sales strip out.
A factual guide to deferred revenue, cash collected before revenue is earned, and why the liability can matter for recurring businesses.
A factual guide to quarterly SEC Form 10-Q reports, how they differ from annual 10-K filings, and what readers can inspect first.
