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Business Combination - Acquired companies net revenue and profit (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | R$ 0 | R$ 223,138 | R$ 540,345
Profit (loss) of acquiree since acquisition date | 0 | 28,541 | 116,161
First Response Inc |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 106,978
Profit (loss) of acquiree since acquisition date | 0 | 0 | 38,159
Dracares Apoio Marítimo e Portuário Ltda. and MB Transportes Aquaviários Ltda |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 61,430
Profit (loss) of acquiree since acquisition date | 0 | 0 | 10,479
Flyone Serviço Aéreo Especializado, Comércio e Serviço Ltda |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 55,900
Profit (loss) of acquiree since acquisition date | 0 | 0 | 2,750
RG Consultoria Técnica Ambiental S.A. and RG Consultoria Técnica Ambiental Brasil Ltda |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 9,314
Profit (loss) of acquiree since acquisition date | 0 | 0 | 1,596
Ambipar Response Analytical S/A. |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 3,021
Profit (loss) of acquiree since acquisition date | 0 | 0 | 693
Ambipar Response Fauna e Flora Ltda. |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 25,080
Profit (loss) of acquiree since acquisition date | 0 | 0 | (5,775)
Graham Utility Hydrovac Services |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 4,209
Profit (loss) of acquiree since acquisition date | 0 | 0 | 211
Ambipar Response Tank Cleaning S/A |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 60,484
Profit (loss) of acquiree since acquisition date | 0 | 0 | 43,059
Ridgeline Canada Inc. |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 45,468
Profit (loss) of acquiree since acquisition date | 0 | 0 | 6,647
Witt O´Briens LLC |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 168,461
Profit (loss) of acquiree since acquisition date | 0 | 0 | 18,342
Ambipar Response Marine S.A. |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 12,968 | 0
Profit (loss) of acquiree since acquisition date | 0 | 4,263 | 0
Ambipar Response Industrial Services S.A. |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 51,637 | 0
Profit (loss) of acquiree since acquisition date | 0 | 4,120 | 0
Ambipar Response Environmental Consulting Offshore S.A. |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 4,955 | 0
Profit (loss) of acquiree since acquisition date | 0 | 402 | 0
DFA Contracting Ltd |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 35,485 | 0
Profit (loss) of acquiree since acquisition date | 0 | 3,765 | 0
Ambipar Response Remediation S.A. |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 0
Profit (loss) of acquiree since acquisition date | 0 | (2) | 0
Ambipar Response Remediation Ltda |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 24,442 | 0
Profit (loss) of acquiree since acquisition date | 0 | 6,689 | 0
RMC2 Soluções Ambientais Ltda |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 7,351 | 0
Profit (loss) of acquiree since acquisition date | 0 | (1,456) | 0
Zenith Maritima Eireli [Member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 823 | 0
Profit (loss) of acquiree since acquisition date | 0 | 293 | 0
Unidroid Robotica do Brasi Ltda [Member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 0
Profit (loss) of acquiree since acquisition date | 0 | (160) | 0
Alberta LTD [Member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 0 | 0
Profit (loss) of acquiree since acquisition date | 0 | (13) | 0
Bulldog Energy Group [Member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 58,536 | 0
Profit (loss) of acquiree since acquisition date | 0 | 9,475 | 0
Smr Socorro Médico E Resgate Ltda |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 18,085 | 0
Profit (loss) of acquiree since acquisition date | 0 | 702 | 0
Ssmr Saude Ocupacional Ltda. Epp [Member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 4,623 | 0
Profit (loss) of acquiree since acquisition date | 0 | 287 | 0
Ssr Servicos De Seguranca E Resgate Ltda Epp [Member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Revenue of acquiree since acquisition date | 0 | 4,233 | 0
Profit (loss) of acquiree since acquisition date | R$ 0 | R$ 176 | R$ 0

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