Filing Alert: Ambipar Emergency Response Chapter 11
Ambipar Emergency Response Files Chapter 11 in Southern District of Texas
Update (Oct. 21, 2025): A comprehensive case summary is now available for the Chapter 11 bankruptcy filing of Ambipar Emergency Response.
Ambipar Emergency Response, a Cayman Islands-based public holding company for Ambipar’s global “Response” environmental-services unit, filed for Chapter 11 protection on Oct. 20 in the U.S. Bankruptcy Court for the Southern District of Texas.
The company reports $1.1 billion in assets and $328.2 million in liabilities. The filing indicates that there will be funds available for distribution to unsecured creditors. The case number is 25-90524.
Top Unsecured Claims

Key Parties
Counsel:
- Jason S. Brookner
Gray Reed
Email: jbrookner@grayreed.com
Signatories:
- Ricardo Chagas – Chief Executive Officer
- Thiago da Costa Silva – Director
Equity Security Holders:
- Ambipar Participações e Empreendimentos S.A. – 70.8%
- Opportunity Agro Fundo de Investimento em Participações Multiestratégia Investimento no Exterior – 21.3%
Bondoro Insights is continuing to monitor this case and will provide further coverage as appropriate.
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