Executive Search Research Library
Published 23 October 2026 by Executive Search Research LLC.
The Executive Search Research Library brings together our primary-source research and annual source reviews on executive search firms. Coverage spans 2018 to 2026. The library helps readers locate our research by coverage year and by the latest disclosures available in our sources.
Publisher Selections
The Top 50 Executive Search Firms 2026 lists 50 named entries. The Global 40 Executive Search Firms 2026 lists 40 Top 50 entries with cross-border service or network evidence. Counts are entries, not independent businesses. Known relationships are noted beside affected entries. Legacy directories remain alphabetical and unranked. Read the methodology and editorial policy. Site policies include the privacy policy and terms of service.
Annual reviews
Our annual reviews cover the years 2018 to 2026. The year in each review title is its coverage label, not its publication date. The 2026 review is current-source as of 23 October 2026; the calendar year is incomplete.
- 2026 Executive Search Research Review
- 2025 Executive Search Research Review
- 2024 Executive Search Research Review
- 2023 Executive Search Research Review
- 2022 Executive Search Research Review
- 2021 Executive Search Research Review
- 2020 Executive Search Research Review
- 2019 Executive Search Research Review
- 2018 Executive Search Research Review
Latest available disclosures
| Firm | Reporting period | Measure | Figure | Source |
|---|---|---|---|---|
| Egon Zehnder | Financial year ended 31 October 2024 | All-services revenue | CHF 804 million | Press release, 24 March 2025 |
| Heidrick & Struggles | Nine months ended 30 September 2025 (not full year) | Executive Search net revenue | USD 690.647 million | Release, 3 November 2025 |
| Korn Ferry | Financial year ended 30 April 2026 | Executive Search fee revenue | USD 924.104 million | Form 10-K, filed 26 June 2026 |
These are selected disclosures known in our sources; this is not the universe of all firms, a ranking or a complete transparency assessment. Fiscal periods differ, and the Egon Zehnder figure is all-services revenue rather than search-only revenue. All three figures have been checked against primary sources.
Sources and scope
Our methodology explains how we define and use source material, and our editorial policy sets out our publishing standards. For the 2026 employer guide, return to the home page. Contact us with source questions or corrections.
Methodology · Editorial policy · Contact us · Home: 2026 employer guide