Independent sponsors, often referred to as fundless sponsors, raise equity capital on a deal-by-deal basis rather than from a committed fund. Finding reliable investors and capital providers who participate in these transactions (family offices, private equity firms, high-net-worth individuals, and specialized capital providers) is one of the most persistent challenges in the model.
This list covers ten established capital providers with a documented history of backing independent sponsor transactions in the lower middle market. Each firm was selected based on publicly available investment criteria and evidence of completed deals. The list includes dedicated funds like Boathouse and Encore One, junior capital specialists like Merit and Greyrock, and CapitalPad, one of the most active independent sponsor platforms in the space. The goal is to provide a vetted reference resource, not a ranking, for independent sponsors seeking qualified equity partners.
- Merit Capital
- Petra Capital Partners
- CapitalPad
- Star Mountain Capital
- Trivest Partners
- Greyrock Capital Group
- Five Points Capital
- Boathouse Capital
- HighVista
- Encore One
How We Chose These Firms
This list was built as a practical reference for independent sponsors seeking capital partners. To ensure accuracy and transparency, we applied the following criteria when selecting firms:
- Independent Sponsor Focus – Each firm actively works with independent sponsors, not just traditional private equity funds.
- Clear Investment Parameters – We included firms that publish documented investment criteria (EBITDA, revenue, deal size, and industry focus) on their websites or through credible industry sources.
- Transaction Track Record – Selection was based on evidence of closed independent sponsor transactions, case studies, or portfolio disclosures.
- Lower-Middle Market Coverage – Priority went to firms targeting deals in the $10 million–$250 million enterprise value range, where most independent sponsor activity occurs.
- North American Relevance – All firms actively invest in North America, with some extending their mandate internationally.
- Capital Structure Flexibility – We highlighted firms offering equity, debt, or hybrid structures tailored to independent sponsor needs.
- Established Reputation – Preference was given to firms with a proven presence and consistent deal activity in this space.
- Editorial Integrity – This is not a sponsored list, and no firm paid for inclusion. The order of appearance does not reflect ranking or preference.
With this, we aimed to highlight reliable, sponsor-friendly firms that represent the breadth of capital options available in today’s independent sponsor market.
List of Capital Providers
1. Merit Capital: Single-Source Junior Capital
Investment Criteria:
- Lower-middle market U.S.-based companies
- Provides junior capital, subordinated debt, and equity hybrid financing
- Single-source solution for capital stack needs beyond senior financing
- Revenue of at least $20 million
- EBITDA of at least $4 million
- Manufacturing and service businesses across a variety of industries
Merit Capital specializes in junior capital solutions for independent sponsor-led deals, offering subordinated debt and equity hybrid structures that bridge the gap between senior financing and pure equity. It provides certainty to close as a single source of junior capital (both the necessary equity and subordinated debt) for independent sponsors considering multiple financing sources.
The firm’s partnership model allows independent sponsors to lead transactions while Merit contributes specialized structuring expertise across multiple asset classes, reducing the complexity of assembling junior capital from various providers. This approach helps sponsors maintain control while securing the subordinated financing needed to complete acquisitions with attractive return potential.
2. Petra Capital Partners: Growth Capital Since 1996
Investment Criteria:
- U.S-based healthcare and B2B business services
- $10 million in revenue
- $1 million in EBITDA
- $10 million to $75 million in enterprise value
- Makes $10 million to $25 million investments
- Mezzanine debt, preferred equity, and common equity
- Comfortable with both control and non-control ownership positions
Petra Capital Partners has offered growth capital to lower-middle market companies since 1996. It often deploys debt earlier in a company’s lifecycle than traditional lenders, which helps sponsors present attractive terms to small business owners aiming to retain significant equity.
Petra works with diverse deal structures and partners with sponsors seeking growth financing for more complex transactions.
3. CapitalPad: One of the Most Active Independent Sponsor Platforms
Investment Criteria:
- $5 million to $50 million in enterprise value
- Minimum EBITDA of $1 million
- Direct investments from $750,000 to $3 million (option for more via referral network)
- Post-LOI deals
- Industry-agnostic with preference for durable businesses with strong historical profitability
- North American geographic focus
CapitalPad is one of the most widely used capital providers for independent sponsor transactions, with a track record of supporting sponsors across diverse industries, the ability to move quickly, and direct investments backed by an internal referral partnership network of curated funds, family offices, and high-net-worth accredited investors. The platform’s rapid decision-making process allows some deals to be funded in as little as 14 days, and sponsors get guidance through direct independent sponsor experience and access to an experienced investor network.
4. Star Mountain Capital: National Origination Network
Investment Criteria:
- At least $15 million in revenue
- EBITDA up to around $50 million
- Makes direct investments of $15 million–$150 million (usually structured as debt with equity upside via warrants or small equity co-investments)
Star Mountain Capital provides direct credit and equity investments. They also connect independent sponsors to institutional and high-net-worth investors. The firm boasts a national origination platform with local investment professionals in more than 20 U.S. cities. This network allows it to source and manage deals others might miss.
Star Mountain is a valuable partner for sponsors seeking funding, strategic support, and local market insights. It offers flexible capital solutions, matching independent sponsors with the most appropriate capital structure for their deals.
Relationship-Driven Approaches
5. Trivest Partners: A Recognized Leader in Founder-Led/Family-Owned Businesses
Investment Criteria:
- Strong founder-led and family-owned businesses in the U.S. and Canada
- At least $20 million in revenue
- $4 million–$15 million in EBITDA
- $25 million–$250 million transactions
- Also invests in larger deals (revenue above $50 million and EBITDA above $15 million)
Trivest Partners is a four-time BluWave Top Private Equity Innovator Award winner, placing it among the top 2% of PE firms. Its proprietary “Path to 3x” program aims to triple business value in 3–5 years through tailored growth strategies.
Trivest specializes in supporting founder-led and family-owned businesses while preserving their culture,. This can help independent sponsors courting values-driven sellers. The firm has a long track record of offering independent sponsors reliable, responsive support and flexibility with competitive economics.
6. Greyrock Capital Group: Junior Capital Since 2002
Investment Criteria:
- $2 million–$30 million in EBITDA
- Usual check size between $8 million–$40 million (sometimes more)
- Channel prominence, leading market share, sustainable competitive advantages, and stable recurring demand and revenue streams
- Specialty materials & chemicals, aerospace, manufacturing, distribution, medical devices, healthcare services, business services, food & beverage, and education industries
Greyrock Capital Group has partnered with independent sponsors since 2002. If offers one-stop junior capital for buyouts.
The firm prioritizes sustainable corporate practices and maintaining company culture in addition to strong financial returns. Its selective, patient capital and commitment to responsible management make Greyrock an ideal partner for sponsors seeking long-term value and alignment with sellers who care about their legacy.
7. Five Points Capital: Long-Term Partnership Capital
Investment Criteria:
- $3 million of EBITDA or more
- High free cash flow conversion, experienced management, defensible competitive advantages, and a proven proposition
- Buyouts, recapitalizations, and acquisitions
- Makes $5 million–$30 million investments
Five Points Capital favors long-term partnerships with independent sponsors over one-off transactions. They offer partners financing certainty and the flexibility to provide incremental capital quickly. This enables sponsors to act on growth opportunities without delays. The firm’s relationship-driven approach supports continuity across multiple deals, helping sponsors establish a track record.
Five Points offers stable, responsive capital solutions tailored to the evolving needs of ambitious independent sponsors.
Operational Excellence and Flexibility
8. Boathouse Capital: Flexible Equity for Tech-Enabled Businesses
Investment Criteria:
- For EBITDA multiple companies:
- $10 million in revenue
- $2 million in EBITDA
- EBITDA margins of at least 10%
- For revenue multiple companies:
- ARR above $5 million
- LTV/CAC of at least 3:1
- a 12–18 month path to positive cash flow
- Makes investments of $5 million–$50 million
- Growth capital, strategic acquisitions, minority recapitalizations, and control buyouts
- Software & SaaS, technology-enabled services, and healthcare IT / services industries
Boathouse Capital offers flexible equity solutions and fast decision-making. Its nimbleness helps its respond to independent sponsor needs and market opportunities quickly.
Boathouse also brings strategic expertise in M&A execution, sales acceleration, and human capital. Its combination of speed, adaptability, and operational support helps sponsors unlock scale and drive post-acquisition growth through a variety of deal types.
9. HighVista: The Multi-Strategy Specialist
Investment Criteria:
- Lower middle market focus with over $3 billion invested since 1995
- Partners with specialized managers and independent sponsors
- Primary fund investments, co-investments, and secondary investments
- Available through commingled funds and separately managed accounts
- North American focus with flexible geographic approach
HighVista’s team has over 150 years of combined investment experience and focuses strategically on the lower middle market. The firm offers multiple entry points for independent sponsors through their diversified approach.
Led by former direct private equity professionals, HighVista provides flexible capital allocation focused on building “best ideas” portfolios. Their ability to partner across primary funds, co-investments, and secondaries gives independent sponsors multiple pathways to access their capital and expertise.
10. Encore One: Family Office Co-Investment
Investment Criteria:
- Co-investments alongside independent sponsors in sponsor-led deals
- $4 million–$7.5 million EBITDA “sweet spot”
- Check sizes of $2.5 million–$10 million per investment
- U.S. headquartered middle-market companies
- Financial services, healthcare services, industrial services, specialized manufacturing, and value-added distribution
- Seeks strong competitive positions with predictable cash flow and growth opportunities
Encore One brings family office flexibility to independent sponsor partnerships through its private holding company structure. Without hard exit deadlines, the firm can adapt to deal timing and sponsor needs with exceptional agility while maintaining institutional-quality underwriting standards.
The firm’s relationship-driven approach combined with its ability to move quickly makes it valuable for sponsors navigating competitive processes or requiring flexible capital timing. Encore One’s focus on high-quality sponsors and management teams creates alignment that supports long-term value creation across multiple deal cycles.
Conclusion
Independent sponsor transactions continue to attract a growing base of institutional investors, family offices, and flexible capital providers. The firms on this list represent established partners with proven experience in the lower middle market and a clear track record of supporting sponsor-led acquisitions.
For sponsors, selecting the right equity partner goes beyond securing capital. Alignment on governance, hold period, and value creation strategy matters just as much. For a detailed breakdown of how the fundraising process works and where most raises fall apart, see our guide to raising capital as an independent sponsor.
