Witt O’Brien’s Is Acquired by Ambipar 

Technology & Services

Witt O’Brien’s, a division of SEACOR, a portfolio company of AIP, acquisition by Ambipar 


Witt O’Brien’s (the “Business”), a division of SEACOR Holdings Inc. (“SEACOR” or the “Company”), a portfolio company of American Industrial Partners (“AIP”) has been acquired by Ambipar Holding USA, Inc. (“Ambipar”), a subsidiary of Ambipar Participações e Empreendimentos S.A (“Ambipar Group”).

Baird served as exclusive financial advisor to SEACOR on this transaction.


Witt O’Brien’s is a one-of-a-kind resilience consultancy and a world leader in crisis and emergency management solutions. Witt O’Brien’s has a proven track record protecting blue-chip public and private sector clients by helping them prepare for, respond to, and mitigate the effects of all types of disruption. Witt O’Brien’s is headquartered in Houston, Texas.

Ambipar’s acquisition of Witt O’Brien’s underscores the following M&A themes: (1) international firms seeking to invest in sizable platforms in the US public sector market; (ii) growing buyer focus on infrastructure and community resilience opportunities; and (3) portfolio shaping through strategic divestitures.

SEACOR is a diversified holding company with interests in domestic and international transportation and logistics. SEACOR is headquartered in Fort Lauderdale, Florida.

AIP is an operationally oriented private equity firm that makes investments in industrial businesses serving domestic and global markets. AIP has deep roots in the industrial economy and has been active since 1989. AIP is headquartered in New York, New York.

Ambipar Group (B3: AMB P3) operates through Ambipar Environment, a specialist provider of environmental solutions, and Ambipar Response, a leader in emergency and crisis management. Ambipar Group is headquartered in São Paulo, Brazil.
Technology & Services

Witt O’Brien’s, a division of SEACOR, a portfolio company of AIP, acquisition by Ambipar 

October 2022
SEACOR Holdings Inc.
M&A - Sellside
Technology & Services
Defense & Government
Facility, Industrial, Residential & Environmental Services
Human Capital Management
Target Geography
North America
Acquiror Geography