Non-sponsored businesses, Founder-driven growth, LP-proven performance.

Who We Are

Founded in 2008, Metropolitan Partners Group (Met) is a New York–based private investment firm. We provide non-controlling growth capital to non-sponsored, entrepreneur-led businesses predominantly across the U.S., designed to preserve ownership, honor the management team’s vision, and accelerate scale.

By the Numbers

$
3.2
B
Capital Deployed
8
Funds Raised
170
+
Investments
17
+
Years in Market
600
+
Operating Experts

The Non-Sponsored Advantage

Why non-sponsored matters —

For Owner-Operators

You built your business from the ground up and understand your market better than anyone. Non-sponsored means you maintain control and that entrepreneurial edge - partnering with Metropolitan provides the bespoke growth capital and operational expertise to accelerate your vision.

For Investors

Non-sponsored businesses often represent untapped alpha opportunities—companies built on genuine market needs with proven business models, led by founders with skin in the game and deep operational knowledge.

Beyond Capital

Our multidimensional Operating Network & Ecosystem (ONE) connects you with 600+ experienced operators and ecosystem partners across key business functions and service needs. Real expertise from people who’ve built, scaled, and optimized businesses—not textbook solutions.

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Our Journey

Building partnerships that endure.

2008

Paul K. Lisiak and Adrian Blumfield founded Metropolitan Partners Group as an alternative investment manager

2010-2015

Expanded our investment portfolio across diverse sectors, emphasizing operational excellence

2015

Launched our Operating Expert (OE) Network to provide strategic support beyond capital

2022

Surpassed $2B in capital deployed across more than 140 investments

Today

Continue backing ambitious owner-operators in the non-sponsored lower-middle-market with tailored capital solutions that respect their vision and control

Meet Our Team

Our Locations

Headquartered in Midtown East Manhattan, with presence across key markets to stay close to the entrepreneurs we back and the limited partners we serve.

Three ways to partner with us

Entrepreneurs

Ready to scale without compromise?

If you’re an owner-operator seeking growth capital without compromising your vision or control, we’re here to partner with you. Let’s explore how we can support your journey toward Uncompromised Growth.

Connect with investment team

Limited Partners

Ready for differentiated returns?

We partner with institutional investors and wealth professionals who seek the unique value of founder-led, non-sponsored businesses. Our track record speaks to disciplined execution, deep operational expertise, and aligned interests.

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Professionals & Experts

Ready to create lasting impact?

Whether you’re looking to join our team or contribute to our multidimensional Operating Network & Ecosystem, we thoughtfully curate talented individuals, operators, and ecosystem partners who share our commitment to founder-first investing.

Connect with ONE team