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v3.25.3

Segment Information - Schedule of Segment Information, Including Significant Segment Expenses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements | $ 322,837 | $ 278,559 | $ 923,663 | $ 822,382
Reimbursements | 5,059 | 4,256 | 13,583 | 12,408
Total revenue | 327,896 | 282,815 | 937,246 | 834,790
Salary and benefits | 196,018 | 166,145 | 560,396 | 491,369
General and administrative | 30,971 | 29,912 | 96,030 | 96,244
Cost of services | 37,644 | 31,030 | 102,297 | 88,158
Adjusted EBITDA | 34,244 | 30,415 | 97,218 | 85,094
On-Demand Talent |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements |  |  | 141,340 |
Heidrick Consulting |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements |  |  | 91,676 |
Americas | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements |  |  | 467,082 |
Europe | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements |  |  | 148,769 |
Asia Pacific | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements |  |  | 74,796 |
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total segment operating expenses | 264,633 | 227,087 | 758,723 | 675,771
Adjusted EBITDA | 58,204 | 51,472 | 164,940 | 146,611
Operating Segments | On-Demand Talent |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements | 50,910 | 46,231 | 141,340 | 125,983
Salary and benefits | 12,342 | 11,751 | 35,186 | 34,719
General and administrative | 2,506 | 3,745 | 10,890 | 11,564
Cost of services | 33,225 | 28,972 | 90,999 | 80,487
Total segment operating expenses | 48,073 | 44,468 | 137,075 | 126,770
Adjusted EBITDA | 2,837 | 1,763 | 4,265 | (787)
Operating Segments | Heidrick Consulting |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements | 32,844 | 27,939 | 91,676 | 80,562
Salary and benefits | 24,945 | 21,317 | 69,290 | 60,477
General and administrative | 5,344 | 5,589 | 14,493 | 16,861
Cost of services | 4,419 | 2,058 | 11,298 | 7,671
Total segment operating expenses | 34,708 | 28,964 | 95,081 | 85,009
Adjusted EBITDA | (1,864) | (1,025) | (3,405) | (4,447)
Operating Segments | Americas | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements | 162,508 | 134,545 | 467,082 | 418,302
Salary and benefits | 102,085 | 83,814 | 292,072 | 254,673
General and administrative | 11,530 | 10,266 | 35,240 | 33,181
Cost of services | 0 | 0 | 0 | 0
Total segment operating expenses | 113,615 | 94,080 | 327,312 | 287,854
Adjusted EBITDA | 48,893 | 40,465 | 139,770 | 130,448
Operating Segments | Europe | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements | 50,927 | 43,143 | 148,769 | 124,706
Salary and benefits | 36,842 | 31,511 | 107,919 | 90,794
General and administrative | 7,507 | 6,610 | 23,842 | 22,697
Cost of services | 0 | 0 | 0 | 0
Total segment operating expenses | 44,349 | 38,121 | 131,761 | 113,491
Adjusted EBITDA | 6,578 | 5,022 | 17,008 | 11,215
Operating Segments | Asia Pacific | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue before reimbursements | 25,648 | 26,701 | 74,796 | 72,829
Salary and benefits | 19,804 | 17,752 | 55,929 | 50,706
General and administrative | 4,084 | 3,702 | 11,565 | 11,941
Cost of services | 0 | 0 | 0 | 0
Total segment operating expenses | 23,888 | 21,454 | 67,494 | 62,647
Adjusted EBITDA | 1,760 | 5,247 | 7,302 | 10,182
Total reconciling expenses |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 23,960 | 21,057 | 67,722 | 61,517
Total reconciling expenses | On-Demand Talent |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 0 | 0 | 0 | 0
Total reconciling expenses | Heidrick Consulting |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 0 | 0 | 0 | 0
Total reconciling expenses | Americas | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 0 | 0 | 0 | 0
Total reconciling expenses | Europe | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 0 | 0 | 0 | 0
Total reconciling expenses | Asia Pacific | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 0 | 0 | 0 | 0
Research and development |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 4,615 | 4,606 | 13,877 | 14,312
Research and development | On-Demand Talent |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA |  |  | 0 | 0
Research and development | Heidrick Consulting |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA |  |  | 0 | 0
Research and development | Americas | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA |  |  | 0 | 0
Research and development | Europe | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA |  |  | 0 | 0
Research and development | Asia Pacific | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA |  |  | 0 | 0
Global Operations Support |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA | 19,345 | 16,451 | 53,845 | 47,205
Global Operations Support | On-Demand Talent |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA |  |  | 0 | 0
Global Operations Support | Heidrick Consulting |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA |  |  | 0 | 0
Global Operations Support | Americas | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA |  |  | 0 | 0
Global Operations Support | Europe | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA |  |  | 0 | 0
Global Operations Support | Asia Pacific | Executive Search |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Adjusted EBITDA |  |  | $ 0 | $ 0

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