Tailored Capital Solutions for the Lower Middle Market

100+
Combined Years of Experience
$750M+
Capital Raised
75
Portfolio Investments

What We Do


We provide junior capital financing to lower middle-market companies. We're a long-term partner with a hands-on approach in collaboration with our portfolio companies.

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How We Invest


Aldine invests in companies experiencing an ownership change, seeking acquisitions, or demonstrating strong growth. Our investment strategy is time-tested and our investment process is seamless.

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Who We Work With


Our history of success has built market leaders across a variety of industries in the middle market.

Latest from Aldine


March 18, 2026

Aldine Invests in The Rack Group

Aldine is pleased to announce an investment in The Rack Group ("TRG"), a manufacturer and online retailer of high-end equipment for billiards enthusiasts.

February 19, 2026

Aldine Invests in Agathos AEC

Aldine is pleased to announce an investment in Agathos AEC (“Agathos”), an Architecture & Engineering services platform established through the combination of Plump Engineering, Inc.

January 20, 2026

Aldine Invests in Albert Paper Products

Aldine is pleased to announce an investment in Albert Paper Products, Inc. (“Albert Paper”), a specialty paperboard and corrugated packaging manufacturer based in Irvington, New Jersey.