PE Firm · Capital Allocator

Castle Harlan

Medium
New York City, U.S. · Founded 1987 · AUM $3.5 billion · Website
BuyoutGrowth CapitalLeveraged BuyoutEnergy ServicesConsumer ProductsRestaurantsManufacturingLogisticsIndustrial ProductsTelecommunicationsNorth AmericaEuropeAustraliaSoutheast Asia
Last verified
10/7/2026

Firm Overview

30
Portfolio tracked
7
Sectors
4
Regions
10/7/2026
Last verified

Castle Harlan is a New York-based private equity firm that specializes in buyouts and growth capital investments in middle-market companies.

Castle Harlan was founded in 1987 by John K. Castle and Leonard M. Harlan, drawing on their extensive experience at Donaldson Lufkin & Jenrette. The firm focuses on control investments in middle-market companies across a variety of industries. Since its inception, the team has completed over 50 acquisitions with a total value of approximately $10 billion.

The firm operates through several domestic investment funds and has a significant international presence, particularly in Australia and Southeast Asia through its affiliate Castle Harlan Australian Mezzanine Partners (CHAMP). CHAMP was established in 1999 in partnership with Australian Mezzanine Investments to target similar middle-market opportunities in the Asia-Pacific region.

Castle Harlan is known for its activity in sectors such as industrial manufacturing, energy services, and consumer brands. Notable recent activities include the formation of Titan Production Equipment from Exterran Corporation assets and the acquisition of spray tanning manufacturer Sunless Inc. The firm typically participates in leveraged buyouts and provides growth capital to platform businesses.

Founded1987
HeadquartersNew York City, U.S.
AUM$3.5 billion
Target investmentMiddle-market companies
Employees25+
StrategiesBuyout, Growth Capital, Leveraged Buyout
Sector focusEnergy Services, Consumer Products, Restaurants, Manufacturing, Logistics, Industrial Products, Telecommunications
Geographic focusNorth America, Europe, Australia, Southeast Asia

Leadership

John K. Castle
Co-founder
Co-founder of Castle Harlan and former President and CEO of Donaldson Lufkin & Jenrette (DLJ).
Leonard M. Harlan
Co-founder
Co-founder of Castle Harlan who previously formed The Harlan Company and worked at DLJ.

Notable Investments

Titan Production EquipmentSunless Inc.Gold Star FoodsShelf DrillingCaribbean Restaurants LLCTensar CorpBravo Brio Restaurant GroupPolypipe GroupHorizon LinesAmes True TemperAustar United CommunicationsMcCormick & Schmick'sRathGibsonUnited Malt HoldingsAmeriCast Technologies

Historical and current deals referenced in public sources.

Portfolio Companies

Portfolio Web Readiness

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Sources

This profile is based on publicly available information and may be incomplete or outdated. PE Firm Index is not affiliated with Castle Harlan and does not provide investment advice.

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