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Basis of measurement - Non-controlling interests (Details) - BRL (R$)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of subsidiaries [line items]      
Current assets R$ 1,749,696,000 R$ 1,440,224,000  
Current liabilities 978,483,000 803,022,000  
Non-current assets 4,050,586,000 2,868,948,000  
Non-current liabilities 3,005,302,000 2,149,353,000  
Non-controlling interests 366,927,000 283,738,000  
Revenue 3,248,442,000 2,589,960,000 R$ 1,684,896,000
Cost of sales (2,769,665,000) (2,090,482,000) (1,337,749,000)
Gross profit 478,777,000 499,478,000 347,147,000
Selling, general and administrative expense (32,291,000) (28,385,000) (26,553,000)
Other operating income (expense) 39,283,000 (110,710,000) 12,537,000
Profit (loss) from operating activities 485,769,000 360,383,000 336,759,000
Finance costs (592,899,000) (294,827,000) (113,541,000)
Finance income 233,911,000 43,485,000 9,567,000
Finance income (cost) (358,988,000) (251,342,000) (103,974,000)
Profit (loss) before tax 126,781,000 109,041,000 232,785,000
Tax expense (income) 68,022,000 91,865,000 44,910,000
Profit (loss) 58,759,000 17,176,000 187,875,000
Profit (loss), attributable to owners of parent (20,556,000) (62,477,000) 161,493,000
Profit (loss), attributable to non-controlling interests 79,315,000 79,653,000 26,382,000
Non-controlling interests      
Disclosure of subsidiaries [line items]      
Profit (loss) 79,315,000 R$ 79,653,000 R$ 26,382,000
Non-controlling interests | Ambipar Response Espírito Santo S.A.      
Disclosure of subsidiaries [line items]      
Current assets 157,034,000    
Current liabilities (149,863,000)    
Current assets (liabilities) 7,171,000    
Non-current assets 262,628,000    
Non-current liabilities (158,188,000)    
Non-current Assets Liabilities 104,440,000    
Assets (liabilities) 111,611,000    
Net assets controlling 111,611,000    
Net assets non-controlling 0    
Others adjustment from non-controlling 6,618,000    
Revenue 359,946,000    
Cost of sales (303,359,000)    
Gross profit 56,587,000    
Selling, general and administrative expense 0    
Other expense (667,000)    
Operating expense 667,000    
Profit (loss) from operating activities 57,254,000    
Finance costs (30,681,000)    
Finance income 1,368,000    
Finance income (cost) (29,313,000)    
Profit (loss) before tax 27,941,000    
Tax expense (income) (9,693,000)    
Profit (loss) 18,248,000    
Profit (loss), attributable to owners of parent 10,834,000    
Profit (loss), attributable to non-controlling interests R$ 7,414,000    
Proportion of ownership interests held by non-controlling interests 30.00%    
Non-controlling interests | Ambipar Response Dracares Apoio Marítimo e Portuário S.A. [Member]      
Disclosure of subsidiaries [line items]      
Current assets R$ 37,071,000    
Current liabilities (26,273,000)    
Current assets (liabilities) 10,798,000    
Non-current assets 93,831,000    
Non-current liabilities (15,942,000)    
Non-current Assets Liabilities 77,889,000    
Assets (liabilities) 88,687,000    
Net assets controlling 88,687,000    
Net assets non-controlling 0    
Others adjustment from non-controlling 18,307,000    
Revenue 101,136,000    
Cost of sales (78,354,000)    
Gross profit 22,782,000    
Selling, general and administrative expense 0    
Other expense (15,140,000)    
Operating expense 15,140,000    
Profit (loss) from operating activities 37,922,000    
Finance costs (2,297,000)    
Finance income 3,481,000    
Finance income (cost) 1,184,000    
Profit (loss) before tax 39,106,000    
Tax expense (income) (7,858,000)    
Profit (loss) 31,248,000    
Profit (loss), attributable to owners of parent 15,936,000    
Profit (loss), attributable to non-controlling interests R$ 15,312,000    
Proportion of ownership interests held by non-controlling interests 49.00%    
Non-controlling interests | Ambipar Flyone Serviço Aéreo Especializado, Comércio e Serviço S.A. [Member]      
Disclosure of subsidiaries [line items]      
Current assets R$ 67,557,000    
Current liabilities (85,007,000)    
Current assets (liabilities) (17,450,000)    
Non-current assets 204,891,000    
Non-current liabilities (55,909,000)    
Non-current Assets Liabilities 148,982,000    
Assets (liabilities) 131,532,000    
Net assets controlling 131,532,000    
Net assets non-controlling 0    
Others adjustment from non-controlling 16,511,000    
Revenue 206,147,000    
Cost of sales (129,042,000)    
Gross profit 77,105,000    
Selling, general and administrative expense 0    
Other expense (74,000)    
Operating expense 74,000    
Profit (loss) from operating activities 77,179,000    
Finance costs (11,077,000)    
Finance income 924,000    
Finance income (cost) (10,153,000)    
Profit (loss) before tax 67,026,000    
Tax expense (income) (21,910,000)    
Profit (loss) 45,116,000    
Profit (loss), attributable to owners of parent 23,009,000    
Profit (loss), attributable to non-controlling interests R$ 22,107,000    
Proportion of ownership interests held by non-controlling interests 49.00%    
Non-controlling interests | RG Response S.A.      
Disclosure of subsidiaries [line items]      
Current assets R$ 7,072,000    
Current liabilities (3,398,000)    
Current assets (liabilities) 3,674,000    
Non-current assets 9,849,000    
Non-current liabilities (5,150,000)    
Non-current Assets Liabilities 4,699,000    
Assets (liabilities) 8,373,000    
Net assets controlling 8,373,000    
Net assets non-controlling 0    
Others adjustment from non-controlling 678,000    
Revenue 13,873,000    
Cost of sales (11,076,000)    
Gross profit 2,797,000    
Selling, general and administrative expense 0    
Other expense (360,000)    
Operating expense 360,000    
Profit (loss) from operating activities 3,157,000    
Finance costs (526,000)    
Finance income 26,000    
Finance income (cost) (500,000)    
Profit (loss) before tax 2,657,000    
Tax expense (income) (477,000)    
Profit (loss) 2,180,000    
Profit (loss), attributable to owners of parent 1,285,000    
Profit (loss), attributable to non-controlling interests R$ 895,000    
Proportion of ownership interests held by non-controlling interests 49.00%    
Non-controlling interests | Ambipar Response Tank Cleaning S/A      
Disclosure of subsidiaries [line items]      
Current assets R$ 34,155,000    
Current liabilities (10,074,000)    
Current assets (liabilities) 24,081,000    
Non-current assets 146,741,000    
Non-current liabilities (39,979,000)    
Non-current Assets Liabilities 106,762,000    
Assets (liabilities) 130,843,000    
Net assets controlling 130,843,000    
Net assets non-controlling 0    
Others adjustment from non-controlling 20,622,000    
Revenue 74,800,000    
Cost of sales (62,515,000)    
Gross profit 12,285,000    
Selling, general and administrative expense 0    
Other expense (53,590,000)    
Operating expense 53,590,000    
Profit (loss) from operating activities 65,875,000    
Finance costs (1,540,000)    
Finance income 368,000    
Finance income (cost) (1,172,000)    
Profit (loss) before tax 64,703,000    
Tax expense (income) (8,584,000)    
Profit (loss) 56,119,000    
Profit (loss), attributable to owners of parent 28,622,000    
Profit (loss), attributable to non-controlling interests R$ 27,497,000    
Proportion of ownership interests held by non-controlling interests 49.00%    
Non-controlling interests | JM Serviços Integrados SA [Member]      
Disclosure of subsidiaries [line items]      
Current assets R$ 25,967,000    
Current liabilities (27,489,000)    
Current assets (liabilities) (1,522,000)    
Non-current assets 47,482,000    
Non-current liabilities (25,464,000)    
Non-current Assets Liabilities 22,018,000    
Assets (liabilities) 20,496,000    
Net assets controlling 20,496,000    
Net assets non-controlling 0    
Others adjustment from non-controlling 209,000    
Revenue 69,414,000    
Cost of sales (61,906,000)    
Gross profit 7,508,000    
Selling, general and administrative expense 0    
Other expense (214,000)    
Operating expense 214,000    
Profit (loss) from operating activities 7,722,000    
Finance costs (5,623,000)    
Finance income 1,460,000    
Finance income (cost) (4,163,000)    
Profit (loss) before tax 3,559,000    
Tax expense (income) 4,204,000    
Profit (loss) 7,763,000    
Profit (loss), attributable to owners of parent 5,434,000    
Profit (loss), attributable to non-controlling interests R$ 2,329,000    
Proportion of ownership interests held by non-controlling interests 30.00%    
Non-controlling interests | Ambipar Response Marine S.A.      
Disclosure of subsidiaries [line items]      
Current assets R$ 7,307,000    
Current liabilities (5,571,000)    
Current assets (liabilities) 1,736,000    
Non-current assets 8,847,000    
Non-current liabilities (253,000)    
Non-current Assets Liabilities 8,594,000    
Assets (liabilities) 10,330,000    
Net assets controlling 10,330,000    
Net assets non-controlling 0    
Accumulated NCI adjusted    
Others adjustment from non-controlling (703,000)    
Revenue 1,265,000    
Cost of sales (13,303,000)    
Gross profit (12,038,000)    
Selling, general and administrative expense 0    
Other expense (631,000)    
Operating expense 631,000    
Profit (loss) from operating activities (11,407,000)    
Finance costs (253,000)    
Finance income 175,000    
Finance income (cost) (78,000)    
Profit (loss) before tax (11,485,000)    
Tax expense (income) (623,000)    
Profit (loss) (12,108,000)    
Profit (loss), attributable to owners of parent (12,808,000)    
Profit (loss), attributable to non-controlling interests R$ 700,000    
Proportion of ownership interests held by non-controlling interests 10.00%    
Non-controlling interests | Ambipar Response Industrial Services S.A.      
Disclosure of subsidiaries [line items]      
Current assets R$ 22,186,000    
Current liabilities (12,652,000)    
Current assets (liabilities) 9,534,000    
Non-current assets 6,554,000    
Non-current liabilities (1,502,000)    
Non-current Assets Liabilities 5,052,000    
Assets (liabilities) 14,586,000    
Net assets controlling 14,586,000    
Net assets non-controlling 0    
Accumulated NCI adjusted    
Others adjustment from non-controlling 4,229,000    
Revenue 77,763,000    
Cost of sales (60,175,000)    
Gross profit 17,588,000    
Selling, general and administrative expense 0    
Other expense 0    
Operating expense 0    
Profit (loss) from operating activities 17,588,000    
Finance costs (226,000)    
Finance income 21,000    
Finance income (cost) (205,000)    
Profit (loss) before tax 17,383,000    
Tax expense (income) (5,876,000)    
Profit (loss) 11,507,000    
Profit (loss), attributable to owners of parent 5,869,000    
Profit (loss), attributable to non-controlling interests R$ 5,638,000    
Proportion of ownership interests held by non-controlling interests 49.00%    
Non-controlling interests | Ambipar Response Industrial Services Canada [Member]      
Disclosure of subsidiaries [line items]      
Current assets R$ 152,654,000    
Current liabilities (83,555,000)    
Current assets (liabilities) 69,099,000    
Non-current assets 458,866,000    
Non-current liabilities (100,483,000)    
Non-current Assets Liabilities 358,383,000    
Assets (liabilities) 427,482,000    
Net assets controlling 427,482,000    
Net assets non-controlling 0    
Others adjustment from non-controlling 15,867,000    
Revenue 204,713,000    
Cost of sales (210,241,000)    
Gross profit (5,528,000)    
Selling, general and administrative expense 0    
Other expense (3,899,000)    
Operating expense 3,899,000    
Profit (loss) from operating activities (1,629,000)    
Finance costs (7,640,000)    
Finance income 0    
Finance income (cost) (7,640,000)    
Profit (loss) before tax (9,269,000)    
Tax expense (income) (3,768,000)    
Profit (loss) (13,037,000)    
Profit (loss), attributable to owners of parent (9,123,000)    
Profit (loss), attributable to non-controlling interests R$ (3,914,000)    
Proportion of ownership interests held by non-controlling interests 30.02%    
Non-controlling interests | Unidroid Robotica Do Brasil Ltda      
Disclosure of subsidiaries [line items]      
Current assets R$ 6,683,000    
Current liabilities (3,063,000)    
Current assets (liabilities) 3,620,000    
Non-current assets 787,000    
Non-current liabilities (240,000)    
Non-current Assets Liabilities 547,000    
Assets (liabilities) 4,167,000    
Net assets controlling 4,167,000    
Net assets non-controlling 0    
Others adjustment from non-controlling 907,000    
Revenue 5,963,000    
Cost of sales (3,651,000)    
Gross profit 2,312,000    
Selling, general and administrative expense 0    
Other expense 0    
Operating expense 0    
Profit (loss) from operating activities 2,312,000    
Finance costs (56,000)    
Finance income 14,000    
Finance income (cost) (42,000)    
Profit (loss) before tax 2,270,000    
Tax expense (income) (62,000)    
Profit (loss) 2,208,000    
Profit (loss), attributable to owners of parent 1,126,000    
Profit (loss), attributable to non-controlling interests R$ 1,082,000    
Proportion of ownership interests held by non-controlling interests 49.00%    
Non-controlling interests | Ambipar Response Maritime Services PDA S.A.      
Disclosure of subsidiaries [line items]      
Current assets R$ 2,136,000    
Current liabilities (1,179,000)    
Current assets (liabilities) 957,000    
Non-current assets 2,122,000    
Non-current liabilities (110,000)    
Non-current Assets Liabilities 2,012,000    
Assets (liabilities) 2,969,000    
Net assets controlling 2,969,000    
Net assets non-controlling 0    
Others adjustment from non-controlling 320,000    
Revenue 5,050,000    
Cost of sales (3,720,000)    
Gross profit 1,330,000    
Selling, general and administrative expense 0    
Other expense (15,000)    
Operating expense 15,000    
Profit (loss) from operating activities 1,345,000    
Finance costs (42,000)    
Finance income 47,000    
Finance income (cost) 5,000    
Profit (loss) before tax 1,350,000    
Tax expense (income) (301,000)    
Profit (loss) 1,049,000    
Profit (loss), attributable to owners of parent 629,000    
Profit (loss), attributable to non-controlling interests R$ 420,000    
Proportion of ownership interests held by non-controlling interests 40.00%    
Non-controlling interests | Smr Socorro Médico E Resgate Ltda      
Disclosure of subsidiaries [line items]      
Current assets R$ 9,464,000    
Current liabilities (7,875,000)    
Current assets (liabilities) 1,589,000    
Non-current assets 31,186,000    
Non-current liabilities (20,445,000)    
Non-current Assets Liabilities 10,741,000    
Assets (liabilities) 12,330,000    
Net assets controlling 12,330,000    
Net assets non-controlling 0    
Others adjustment from non-controlling (18,000)    
Revenue 79,587,000    
Cost of sales (74,663,000)    
Gross profit 4,924,000    
Selling, general and administrative expense 0    
Other expense 0    
Operating expense 0    
Profit (loss) from operating activities 4,924,000    
Finance costs (1,498,000)    
Finance income 111,000    
Finance income (cost) (1,387,000)    
Profit (loss) before tax 3,537,000    
Tax expense (income) (2,553,000)    
Profit (loss) 702,000    
Profit (loss), attributable to owners of parent 689,000    
Profit (loss), attributable to non-controlling interests R$ 295,000    
Proportion of ownership interests held by non-controlling interests 30.00%    
Non-controlling interests | Ssmr Saude Ocupacional Ltda. Epp [Member]      
Disclosure of subsidiaries [line items]      
Current assets R$ 6,510,000    
Current liabilities (9,855,000)    
Current assets (liabilities) (3,345,000)    
Non-current assets 25,299,000    
Non-current liabilities (14,536,000)    
Non-current Assets Liabilities 10,763,000    
Assets (liabilities) 7,418,000    
Net assets controlling 7,418,000    
Net assets non-controlling 0    
Others adjustment from non-controlling (51,000)    
Revenue 45,721,000    
Cost of sales (43,154,000)    
Gross profit 2,567,000    
Selling, general and administrative expense 0    
Other expense 0    
Operating expense 0    
Profit (loss) from operating activities 2,567,000    
Finance costs (2,088,000)    
Finance income 4,000    
Finance income (cost) (2,084,000)    
Profit (loss) before tax 483,000    
Tax expense (income) (1,152,000)    
Profit (loss) (669,000)    
Profit (loss), attributable to owners of parent (468,000)    
Profit (loss), attributable to non-controlling interests R$ (201,000)    
Proportion of ownership interests held by non-controlling interests 30.00%    
Non-controlling interests | Ssr Servicos De Seguranca E Resgate Ltda Epp [Member]      
Disclosure of subsidiaries [line items]      
Current assets R$ 3,449,000    
Current liabilities (5,318,000)    
Current assets (liabilities) (1,869,000)    
Non-current assets 12,462,000    
Non-current liabilities (10,732,000)    
Non-current Assets Liabilities 1,730,000    
Assets (liabilities) (139,000)    
Net assets controlling (139,000)    
Net assets non-controlling 0    
Others adjustment from non-controlling (306,000)    
Revenue 24,277,000    
Cost of sales (23,752,000)    
Gross profit 525,000    
Selling, general and administrative expense 0    
Other expense 0    
Operating expense 0    
Profit (loss) from operating activities 525,000    
Finance costs (1,376,000)    
Finance income 12,000    
Finance income (cost) (1,364,000)    
Profit (loss) before tax (839,000)    
Tax expense (income) (28,000)    
Profit (loss) (867,000)    
Profit (loss), attributable to owners of parent (607,000)    
Profit (loss), attributable to non-controlling interests R$ (260,000)    
Proportion of ownership interests held by non-controlling interests 30.00%    
Non-controlling interests | Total      
Disclosure of subsidiaries [line items]      
Current assets R$ 539,245,000    
Current liabilities (431,172,000)    
Current assets (liabilities) 108,073,000    
Non-current assets 1,311,545,000    
Non-current liabilities (448,933,000)    
Non-current Assets Liabilities 862,612,000    
Assets (liabilities) 970,685,000    
Net assets controlling 970,685,000    
Net assets non-controlling 0    
Accumulated NCI adjusted 283,738,000    
Others adjustment from non-controlling 83,189,000    
Non-controlling interests 366,927,000    
Revenue 1,269,655,000    
Cost of sales (1,078,911,000)    
Gross profit 190,744,000    
Selling, general and administrative expense 0    
Other expense (74,590,000)    
Operating expense 74,590,000    
Profit (loss) from operating activities 265,334,000    
Finance costs (64,923,000)    
Finance income 8,011,000    
Finance income (cost) (56,912,000)    
Profit (loss) before tax 208,422,000    
Tax expense (income) (58,681,000)    
Profit (loss) 149,741,000    
Profit (loss), attributable to owners of parent 70,427,000    
Profit (loss), attributable to non-controlling interests R$ 79,314,000