Company lists · Data refreshed September 2026
Top 22 Private investment companies based in Philadelphia, United States
RevenueBase identified 34 private investment companies headquartered in Philadelphia, United States as of September 2026 and tracks 1,042 professional contacts across them, including 188 with verified work emails. New York is the largest hub.
This list covers private investment companies headquartered in Philadelphia, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 22 largest private investment companies based in Philadelphia, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 168 contacts → | ||||
Partial evidence “LLR Partners is a lower middle market private equity firm focused on investing in software and tech-enabled companies within the knowledge economy.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 70 contacts → | ||||
Strong evidence “Rubenstein Partners is the fund manager for a series of private equity funds focused on office investments throughout the United States.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 13 contacts → | ||||
Strong evidence “Versa Capital is a private equity investment firm focused on control investments in distressed and special situations in middle market companies in North America.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 12 contacts → | ||||
Indirect evidence “Colm Advisory was founded to bring years of Big 4 experience and capabilities at a competitive rate to clients who own and operate small and medium sized enterprises and companies…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 11 contacts → | ||||
Indirect evidence “Tapping into our decades of experience investing in and operating VC and PE-backed portfolio companies, we are experts in identifying areas for disruption and executing…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 9 contacts → | ||||
Partial evidence “Hidden River Strategic Capital is an investment firm that supports the success of small business owner-operators.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 7 contacts → | ||||
Partial evidence “Ennovance Capital LLC (ECL) is in one business only, alternative asset investments and enhancing our portfolio’s value.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 4 contacts → | ||||
Strong evidence “Forterra Investment Partners is a national private equity commercial real estate investment firm offering tailored transaction structuring, analysis and financial support to…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 4 contacts → | ||||
Partial evidence “Dellin Investments was founded in 2010 and based on a strong belief that investing in, and working with good people is exciting, inspiring and will generate excellent returns.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 4 contacts → | ||||
Partial evidence “Amarnath Capital provides corporate development and business development, strategic and operational consulting, and portfolio management services to private and public companies…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 3 contacts → | ||||
Partial evidence “Entrepreneur Partners (EPX) is a Philadelphia-based lower middle market private equity firm and M&A advisory practice.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 2 contacts → | ||||
Partial evidence “Harbour Capital Partners, based in Philadelphia, PA, and Greenwich, CT is your trusted partner for capital raising and strategic advisory for alternative investment funds.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 2 contacts → | ||||
Indirect evidence “215 Capital deploys financial capital to advance strategically targeted early and growth stage companies across a range of sectors.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 2 contacts → | ||||
Indirect evidence “Providing debt and equity for emerging growth companies.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1 contacts → | ||||
Strong evidence “Oakwell Associates is a Private Equity Investment Advisory firm, providing top tier investment opportunities for your private equity investment portfolio.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1 contacts → | ||||
Partial evidence “2M Investment Partners was founded to invest in or acquire small and medium size businesses.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1 contacts → | ||||
Indirect evidence “New Falls Capital is an entrepreneur driven acquisition vehicle looking to acquire and operate a company with revenues up to $40 million.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1 contacts → | ||||
Partial evidence “K4 Holdings was founded under the premise that private business owners in the lower middle market should be able to confidently transfer ownership to outstanding, proven operators…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1 contacts → | ||||
Strong evidence “Third Arch is a Philadelphia-based private investment firm making long-term investments in high quality small businesses.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Partial evidence “H-11 Concepts is a private equity and consulting firm based in Philadelphia, PA.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Indirect evidence “NextSummit Capital Partners is a team of over 30 business owners, operators, and investors, with first-hand experience acquiring and successfully managing small and medium-sized…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Indirect evidence “The core values of integrity, fair dealing, and professional excellence are instilled throughout our Business Principles and express how we intend to conduct ourselves when…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: private investment companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names private investment companies.
- Partial evidence
- Its own public description names part of private investment companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name private investment companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 22 of 34 private investment companies based in Philadelphia, United States
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Private investment companies based in Philadelphia, United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Philadelphia, so it is reported there. Company counts and contact totals on this page are exact for Philadelphia, over 34 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among private investment companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Philadelphia, United States whose own description of what they do matches “private investment companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names private investment companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among private investment companies, and records with no verified work email. Companies headquartered outside Philadelphia are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 188 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Private investment companies by metro in the United States
- Private investment companies in New York759
- Private investment companies in Chicago222
- Private investment companies in Los Angeles173
- Private investment companies in Dallas164
- Private investment companies in San Francisco145
- Private investment companies in Houston125
- Private investment companies in Boston117
- Private investment companies in Miami113
- Private investment companies in Austin111
- Private investment companies in Atlanta89
- Private investment companies in Denver63
- Private investment companies in Charlotte53
- Private investment companies in Washington46
- Private investment companies in Tampa39
- Private investment companies in San Diego38
- Private investment companies in Newport Beach37
- Private investment companies in Greenwich36
- Private investment companies in Minneapolis35
- Private investment companies in Philadelphia34
- Private investment companies in Cleveland30
- Private investment companies in Birmingham29
- Private investment companies in Nashville28
- Private investment companies in New York City27
- Private investment companies in Stamford27
- Private investment companies in Beverly Hills26
- Private investment companies in Scottsdale26
- Private investment companies in Seattle25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names private investment companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many private investment companies are there based in Philadelphia, United States?
RevenueBase identified 34 private investment companies headquartered in Philadelphia, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
LLR Partners, headquartered in Philadelphia, tops this list with the largest team on record.
Which city has the most private investment companies?
New York leads with 759 headquartered companies, followed by Chicago (222) and Los Angeles (173).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 188 verified decision-maker contacts tracked across these 34 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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