Apex Is Acquired by Morgan Stanley Capital Partners

Technology & Services

Apex, a portfolio company of Sentinel, acquisition by Morgan Stanley Capital Partners


Apex Companies (“Apex” or the “Company”), a portfolio company of Sentinel Capital Partners (“Sentinel”), was recently acquired by Morgan Stanley Capital Partners. Terms of the transaction were not disclosed.

Baird served as lead financial advisor to Apex on this transaction.


Apex, headquartered in Rockville, Maryland, is a leading environmental consulting and engineering firm specializing in a broad range of environmental and infrastructure needs. Apex serves a large and diverse client base spanning both the public and private sectors and a broad range of end-markets, including energy, industrial, manufacturing, real estate, retail and telecom. An established leader in stormwater compliance and environmental services, Apex also offers a robust portfolio of services in water infrastructure and resources, compliance and assurance (including ESG consulting), health and safety, transportation and civil engineering. Apex has over 1,100 professionals operating across 50 nationwide offices and also has the largest stormwater management and compliance practice in the country.

Sentinel Capital Partners specializes in buying and building middle market businesses in the United States and Canada in partnership with management. Sentinel targets aerospace and defense, business services, consumer, distribution, food and restaurants, franchising, healthcare and industrial businesses. Sentinel invests in management buyouts, recapitalizations, corporate divestitures and going-private transactions of established businesses with EBITDA of up to $65 million. Sentinel also invests in special situations, including balance sheet restructurings and operational turnarounds.

Morgan Stanley Capital Partners, part of Morgan Stanley Investment Management, is a leading middle market private equity platform that has invested capital in a broad spectrum of industries for over three decades. Morgan Stanley Capital Partners focuses on privately negotiated equity and equity-related investments primarily in North America and seeks to create value in portfolio companies primarily in a series of subsectors in the business services, consumer, healthcare, education and industrials markets with an emphasis on driving significant organic and acquisition growth through an operationally focused approach.
Technology & Services

Apex, a portfolio company of Sentinel, acquisition by Morgan Stanley Capital Partners

February 2023
Apex Companies
M&A - Sellside
Technology & Services
Facility, Industrial, Residential & Environmental Services
Target Geography
North America
Acquiror Geography
North America