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v3.25.0.1

Segment Information - Reconciliation of Adjusted EBITDA from Segments to Consolidated (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Revenue before reimbursements (net revenue) | $ 1,098,573 | $ 1,026,864 | $ 1,073,464
Reimbursements | 17,103 | 14,318 | 10,122
Total revenue | 1,115,676 | 1,041,182 | 1,083,586
Salary and benefits | 659,007 | 597,667 | 699,796
General and administrative | 126,457 | 117,873 | 103,616
Cost of services | 118,950 | 109,039 | 70,676
Adjusted EBITDA | 111,238 | 125,617 | 120,878
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total operating expenses | 904,414 | 824,579 | 874,088
Adjusted EBITDA | 194,159 | 202,285 | 199,376
Research and development |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 19,016 | 20,535 | 19,965
Global Operations Support |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 63,905 | 56,133 | 58,533
Total reconciling expenses |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 82,921 | 76,668 | 78,498
Executive Search | Operating Segments | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue before reimbursements (net revenue) | 556,944 | 522,988 | 612,881
Salary and benefits | 339,294 | 304,486 | 405,816
General and administrative | 43,390 | 45,144 | 42,872
Cost of services | 0 | 0 | 0
Total operating expenses | 382,684 | 349,630 | 448,688
Adjusted EBITDA | 174,260 | 173,358 | 164,193
Executive Search | Operating Segments | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue before reimbursements (net revenue) | 165,018 | 166,379 | 176,275
Salary and benefits | 120,416 | 116,748 | 128,240
General and administrative | 29,809 | 27,385 | 25,885
Cost of services | 0 | 0 | 0
Total operating expenses | 150,225 | 144,133 | 154,125
Adjusted EBITDA | 14,793 | 22,246 | 22,150
Executive Search | Operating Segments | Asia Pacific |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue before reimbursements (net revenue) | 96,396 | 90,678 | 112,766
Salary and benefits | 66,816 | 64,176 | 76,888
General and administrative | 16,253 | 15,432 | 16,065
Cost of services | 0 | 0 | 0
Total operating expenses | 83,069 | 79,608 | 92,953
Adjusted EBITDA | 13,327 | 11,070 | 19,813
Executive Search | Research and development | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Executive Search | Research and development | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Executive Search | Research and development | Asia Pacific |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Executive Search | Global Operations Support | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Executive Search | Global Operations Support | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Executive Search | Global Operations Support | Asia Pacific |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Executive Search | Total reconciling expenses | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Executive Search | Total reconciling expenses | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Executive Search | Total reconciling expenses | Asia Pacific |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
On-Demand Talent | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue before reimbursements (net revenue) | 168,325 | 152,506 | 91,349
Salary and benefits | 46,739 | 39,395 | 22,568
General and administrative | 15,083 | 11,965 | 5,638
Cost of services | 108,487 | 99,712 | 63,479
Total operating expenses | 170,309 | 151,072 | 91,685
Adjusted EBITDA | (1,984) | 1,434 | (336)
On-Demand Talent | Research and development |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
On-Demand Talent | Global Operations Support |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
On-Demand Talent | Total reconciling expenses |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Heidrick Consulting | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue before reimbursements (net revenue) | 111,890 | 94,313 | 80,193
Salary and benefits | 85,742 | 72,862 | 66,284
General and administrative | 21,922 | 17,947 | 13,156
Cost of services | 10,463 | 9,327 | 7,197
Total operating expenses | 118,127 | 100,136 | 86,637
Adjusted EBITDA | (6,237) | (5,823) | (6,444)
Heidrick Consulting | Research and development |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Heidrick Consulting | Global Operations Support |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | 0 | 0 | 0
Heidrick Consulting | Total reconciling expenses |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted EBITDA | $ 0 | $ 0 | $ 0

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