Global Professional Information Services of 2026
S&P ~$15.3bn; RELX ~£9.6bn; LSEG ~£9.0bn; Moody's ~$7.7bn; Thomson Reuters ~$7.5bn.
Main table: latest full-year professional information / data revenue
Compiled 2026-08-13. Ranked by latest full-year professional information, ratings, legal/tax and financial-data related revenue (LSEG on total income excl. recoveries): S&P Global, RELX, LSEG, Moody's, Thomson Reuters, Wolters Kluwer and FactSet. FX used only for USD ranking: about GBP 1 = USD 1.27, EUR 1 = USD 1.08. Related board: global accounting firms.
| # | Company / scope | Revenue | USD equiv. | YoY / note |
|---|---|---|---|---|
| 1 | S&P Global | $15.336bn | ~15.3 | CY2025; +8% |
| 2 | RELX | £9.590bn | ~12.2 | CY2025; +7% underlying |
| 3 | LSEG | £8.986bn | ~11.4 | CY2025; total income excl. recoveries; +7.1% organic ccy |
| 4 | Moody's | $7.718bn | ~7.7 | CY2025; +9% |
| 5 | Thomson Reuters | $7.476bn | ~7.5 | CY2025; +3% / +7% organic |
| 6 | Wolters Kluwer | €6.125bn | ~6.6 | CY2025; +6% organic |
| 7 | FactSet | $2.322bn | ~2.3 | FY2025 (to Aug 2025); +5.4% |
S&P sits above $15bn. RELX and LSEG fill the low-teens. Moody's and Thomson Reuters are in the mid-$7bn band; Wolters near $6.6bn; FactSet about $2.3bn.
Side table: segment cuts
| Cut | Figure | Scope |
|---|---|---|
| S&P · Market Intelligence | $4.916bn (+6%) | CY2025 |
| S&P · Ratings | $4.724bn (+8%) | CY2025 |
| S&P · Indices | $1.850bn (+14%) | CY2025 |
| RELX · Risk | £3.485bn (+8% underlying) | CY2025 |
| RELX · Legal | £1.806bn (+9% underlying) | CY2025 |
| Moody's · MIS | $4.119bn (+9%) | CY2025; external |
| Moody's · Analytics | $3.599bn (+9%) | CY2025; external |
| LSEG · Data & Analytics | +5.0% organic ccy | CY2025; division growth |
How we ranked
Main table uses latest full-year professional information / data revenue (LSEG on total income excl. recoveries; FactSet fiscal year to Aug 2025); segments sit in the side table. Board defaults to S–D.
| Source | When | Used for |
|---|---|---|
| S&P Global FY2025 | 2026-02 | Revenue $15,336m; +8%; divisions |
| RELX 2025 Results | 2026-02 | Revenue £9,590m; +7% underlying; Risk / Legal |
| LSEG Final Results 2025 | 2026-02 | Total income excl. recoveries £8,986m; +7.1% organic ccy |
| Moody's FY2025 | 2026-02 | Revenue $7,718m; MIS $4,119m; MA $3,599m |
| Thomson Reuters FY2025 | 2026-02 | Revenue $7,476m; +3% / +7% organic |
| Wolters Kluwer FY2025 | 2026-02 | Revenue €6,125m; +6% organic |
| FactSet FY2025 | 2025-09 | Revenue $2,321.7m; +5.4% |
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