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Shareholders' equity (Tables) | 12 Months Ended
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Dec. 31, 2024
Disclosure of classes of share capital [abstract] |
Disclosure of classes of share capital [text block] |
|  | December 31, 2024 |  | December 31, 2023
|  | Quantity |  | R$ (whole numbers) |  | Quantity |  | R$ (whole numbers)
Initial balance |  | 55,429,851 |  |  | 1,443,108,000 |  |  | 261,920,439 |  |  | 261,920,439 |
Issuance new shares |  | — |  |  | — |  |  | 177,977,323 |  |  | 263,004,000 |
Capital reduction - transaction with HPX Corp, pursuant to the terms of the Business Combination | — |  |  | — |  |  | (439,897,762) |  |  | (524,924,439) |
Ambipar Participações e Empreendimentos S.A. |  | — |  |  | — |  |  | 39,234,746 |  |  | 841,029,236 |
PIPE investors |  | — |  |  | — |  |  | 13,323,800 |  |  | 555,892,823 |
HPX Corp. |  | — |  |  | — |  |  | 1,916,100 |  |  | 6,333,076 |
Others Investors |  | — |  |  | — |  |  | 955,205 |  |  | 39,852,865 |
Final balance |  | 55,429,851 |  |  | 1,443,108,000 |  |  | 55,429,851 |  |  | 1,443,108,000 |
Summary of business combination |
|  | R$
Cost of shares issued to HPX shareholders (1) |  | 146,741 |
Fair value of Earn-out shares for Ambipar Holding (2) |  | (44,240) |
Adjusted cost of shares issued to HPX shareholders |  | 102,501 |
HPX Assets |  | 48,083 |
HPX Liabilities |  | (49,676) |
HPX net assets on 3/3/2023 |  | (1,593) |
Stock listing expense |  | 100,909 |
1) Considering the amount of US$9.89 per share on 02/28/23, date of the EGM approving the transaction and exchange of R$5.2037; 2) Fair value estimated based on a Monte Carlo simulation model.
Summary of earning per share |
Earnings per share |  | December 31, 2024 |  | December 31, 2023 |  | December 31, 2022
Earnings per share operations attributable to shareholders of the parent company before deductions |  | 58,759 |  |  | 17,176 |  |  | 187,875 |
Number of ordinary shares (basic) |  | 55,429,851 |  |  | 89,844,949 |  |  | 261,920,439 |
Basic earnings per share (in Reais) |  | 1.06006 |  |  | 0.19117 |  |  | 0.71730 |
Earnings per share |  | December 31, 2024 |  | December 31, 2023 |  | December 31, 2022
Earnings per share operations attributable to shareholders of the parent company before deductions |  | 58,759 |  |  | 17,176 |  |  | 187,875 |
Number of ordinary shares (diluted) |  | 71,609,841 |  |  | 103,328,274 |  |  | 261,920,439 |
Diluted earnings per share (in Reais) |  | 0.82054 |  |  | 0.16623 |  |  | 0.71730 |
Summary of capital transaction |
|  | Response
|  | Inversiones Disal Emergencia
Assets and liabilities acquired at fair value (*) |  |
Cash and cash equivalents |  | 1,005 |
Other assets |  | 25,650 |
Other liabilities |  | (323) |
Total identifiable net assets |  | 26,332 |
Total amount of consideration transferred |  | 144,430 |
(-) Cash acquired |  | (1,005) |
(-) Assumed value of the obligation to pay |  | — |
Cash paid, net of cash received/receivable |  | 143,425 |
Determination of goodwill (*) |  |
Total amount of consideration, net |  | 144,430 |
Total identifiable net assets |  | (26,332) |
Goodwill paid on expected future profitability |  | 118,098 |
Date of additional acquisition |  | 06/28/2021
Company that acquired control |  | Emergência Participações S.A.
Value of acquisition |  | US$ 26,185 (thousand)
Percentage acquired |  | 100 | %

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