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Business combinations - Interest acquired (Details) | Dec. 31, 2024 | Dec. 31, 2023 | Nov. 30, 2023 | Sep. 30, 2023 | May 31, 2023 | Apr. 30, 2023 | Feb. 28, 2023 | Nov. 30, 2022 | Aug. 31, 2022 | Jul. 31, 2022 | Jun. 30, 2022 | Feb. 28, 2022 | Jan. 31, 2022
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Dracares Apoio Marítimo e Portuário Ltda. and MB Transportes Aquaviários Ltda |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  |  |  |  | 51.00%
Flyone Servico Aereo Especializado, Comercio e Servico Ltda |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  |  |  |  | 51.00%
RG Response S.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  |  |  |  | 51.00%
Ambipar Response Emergency Services Canada F Inc. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  |  |  | 100.00% |
Ridgeline Canada Inc. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  | 100.00% |  |  |  |
Witt O´Briens LLC |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  | 100.00% |  |  |  |  |
Ambipar Response Marine S.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  | 80.00% |  |  |  |  |  |
Girassol Apoio Marítimo Ltda [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 80.00% |  |  |  |  |  |  |  |  |  |  |  |
Plimsoll Serviços Ltda |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 51.00% |  |  |  |  |  |  |  |  |  |  |  |
EKMAN - Serviços Ambientais e Oceanograficos Ltda [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 60.00% |  |  |  |  |  |  |  |  |  |  |  |
DFA Contracting Ltd |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 100.00% |  |  |  | 100.00% |  |  |  |  |  |  |  |
Solução Ambiental Engenharia, Participações e Negócios Ltda. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 51.00% |  |  |  |  |  |  |  |  |  |  |  |
Zenith Maritima Eireli [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 60.00% |  |  |  |  |  |  |  |  |  |  |  |
Unidroid Robotica Do Brasil Ltda |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 51.00% |  |  |  |  |  |  |  |  |  |  |  |
1653395 Alberta Ltd ("165 AB") |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  | 70.00% |  |  |  |  |  |  |  |  |  |  |
Smr Socorro Médico E Resgate Ltda |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 70.00% |  |  |  |  |  |  |  |  |  |  |  |
Ssmr Saude Ocupacional Ltda. Epp [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 70.00% |  |  |  |  |  |  |  |  |  |  |  |
Ssr Servicos De Seguranca E Resgate Ltda Epp [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 70.00% |  |  |  |  |  |  |  |  |  |  |  |
Ambipar Response Emergency Medical Services S S/A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  | 51.00% |  |  |  |  |  |  |  |  |  |  |
Ambipar Response Emergency Medical Services H S/A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  | 70.00% |  |  |  |  |  |  |  |  |  |  |
Ambipar Response Emergency Medical Services R S/A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  | 70.00% |  |  |  |  |  |  |  |  |  |  |
Ambipar Response Industrial Robot S.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  | 100.00% |  |  |  |  |  |  |  |  |  |  |
Ambipar Response Maritime Services PDA S.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  | 60.00% |  |  |  |  |  |  |  |  |  |
Ambipar Response Remediation S.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  | 51.00% |  |  |  |  |  |  |  |  |
Ambipar Response Environmental Consulting Offshore S.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  | 60.00% |  |  |  |  |  |  |
Ambipar Response Industrial Services S.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  | 51.00% |  |  |  |  |  |  |
Ambipar Response Analytical S/A. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  |  | 51.00% |  |
Ambipar Response Fauna e Flora Ltda. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  | 100.00% |  |  |
Ambipar Response Emergency Services Canada G Inc. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  | 100.00% |  |  |
Ambipar Response Tank Cleaning S/A |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  | 51.00% |  |  |

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