Company lists · Data refreshed September 2026
Top 25 Lower middle market private equity firms based in Newport Beach, United States
RevenueBase identified 43 lower middle market private equity firms headquartered in Newport Beach, United States as of September 2026 and tracks 186 professional contacts across them, including 78 with verified work emails. New York is the largest hub.
This list covers lower middle market private equity firms headquartered in Newport Beach, 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 25 largest lower middle market private equity firms based in Newport Beach, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | L Squared Capital PartnersStrong evidence | 16 | |||
“L Squared Capital Partners is a private equity investment firm headquartered in Newport Beach, CA, with approximately $5.3 billion of cumulative capital commitments that seeks to…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | Rx3 Growth PartnersPartial evidence | 16 | |||
“RX3 Growth Partners is an institutional growth equity firm focused on the consumer sector.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | The Courtney GroupStrong evidence | 11 | |||
“The Courtney Group provides private equity and investment banking services.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | 10 | ||||
“Greenfield Solomon is a private equity firm that specializes in providing alternative financing for small-to-midsize companies and real estate syndications.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | 9 | ||||
“Ault & Company is a private holding company located in Orange County, California with a focus on Private Equity and Venture Capital.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | Real Estate Development Associates, LLCIndirect evidence | 7 | |||
“Real Estate Development Associates (REDA) is a diversified investment company which acquires and develops industrial and office properties in Southern California.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | Lotus DomaineStrong evidence | 6 | |||
“Lotus Domaine is a private equity fund that builds wealth for its investors by acquiring, transforming, and exiting high-potential, small to mid-size technology companies that…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | Systm BrandsIndirect evidence | 5 | |||
“SYSTM Brands is a team of proven executives, experienced operators and passionate founders who are dedicated to growing brands that deliver truly impactful and innovative products.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | Solis Capital Partners LLCStrong evidence | 5 | |||
“Solis Capital Partners is a private equity firm based in Southern California.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | Riviera Capital PartnersStrong evidence | 5 | |||
“Riviera Capital is a leading private equity firm investing in micro-cap companies.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | ValkyrieStrong evidence | 4 | |||
“Valkyrie Brands, LLC (‘Valkyrie’), Private Equity.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3 | ||||
“Eagle Four Partners has participated as the lead equity investor in numerous real estate transactions throughout the United States, including most notably the acquisition of the…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 | ||||
“Aero-mark, LLC is a private investment firm with over 35 years of experience in the acquisition, growth, and improvement of companies.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 | ||||
“Emerald Creek Group, LLC is a Southern California based private equity firm focused on real estate with the primary objective of building an investment portfolio focused on…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 15 | XMF CapitalPartial evidence | 3 | |||
“XMF Capital is a global private investment firm.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | Pacific Reliance Medical M&a AdvisorsPartial evidence | 3 | |||
“Pacific Reliance medical M&A advisors are a national full-service business intermediary specializing in the marketing and sales of medical sector businesses with annual revenues…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 | ||||
“Founded in January 2003, Five Crowns Capital is a private investment firm that sponsors buyouts of small and middle market companies.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 | ||||
“Axle Point Capital leverages its extensive experience in the lower middle market business services and diversified industrials sectors to invest in and partner with talented…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 | ||||
“Excelsior Capital Partners is focused on investing in distressed debt, special situations, and specialty lending across commercial real estate and operating companies.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 | ||||
“We buy and grow family owned businesses.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 21 | Labrador CapitalStrong evidence | 1 | |||
“Labrador Capital is a private holding company investing in lower middle market companies.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 | ||||
“Avenue Equities is a private investment firm specializing in sourcing, acquiring and managing real estate assets in fast growing markets with a focus on special situation…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 23 | Ktdr CapitalPartial evidence | 1 | |||
“KTDR Capital (KTDR) is a private investment firm founded by veteran search fund investors and entrepreneurs.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 24 | Split Mountain CapitalIndirect evidence | 1 | |||
“Split Mountain Capital is an entrepreneurial investment firm that is seeking to partner with one high-quality, small-to-medium sized company in Southern California.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 25 | TBG EquityPartial evidence | 1 | |||
“TBG Equity was founded by a team that partners with current business owners to invest and grow companies.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 43 lower middle market private equity firms based in Newport Beach, United States
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Lower middle market private equity firms based in Newport Beach, United States at a glance
As of Sep 4, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Newport Beach, over 43 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 lower middle market private equity firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Newport Beach, United States whose own description of what they do matches “lower middle market private equity firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among lower middle market private equity firms, and records with no verified work email. Companies headquartered outside Newport Beach 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 an evidence 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, 78 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 4, 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.
Lower middle market private equity firms by metro in the United States
- Lower middle market private equity firms in New York933
- Lower middle market private equity firms in Chicago321
- Lower middle market private equity firms in Dallas286
- Lower middle market private equity firms in Los Angeles221
- Lower middle market private equity firms in Boston183
- Lower middle market private equity firms in Houston179
- Lower middle market private equity firms in Austin167
- Lower middle market private equity firms in San Francisco161
- Lower middle market private equity firms in Miami153
- Lower middle market private equity firms in Atlanta142
- Lower middle market private equity firms in Denver102
- Lower middle market private equity firms in Charlotte89
- Lower middle market private equity firms in Greenwich65
- Lower middle market private equity firms in Washington58
- Lower middle market private equity firms in San Diego53
- Lower middle market private equity firms in Tampa53
- Lower middle market private equity firms in Nashville50
- Lower middle market private equity firms in Minneapolis46
- Lower middle market private equity firms in Newport Beach43
- Lower middle market private equity firms in Seattle43
- Lower middle market private equity firms in Cleveland40
- Lower middle market private equity firms in Philadelphia39
- Lower middle market private equity firms in Birmingham38
- Lower middle market private equity firms in Salt Lake City34
- Lower middle market private equity firms in Phoenix33
- Lower middle market private equity firms in Boca Raton32
- Lower middle market private equity firms in Santa Monica32
- Lower middle market private equity firms in Beverly Hills31
- Lower middle market private equity firms in New York City30
- Lower middle market private equity firms in West Palm Beach30
- Lower middle market private equity firms in Cincinnati29
- Lower middle market private equity firms in Stamford29
- Lower middle market private equity firms in Scottsdale28
- Lower middle market private equity firms in Pittsburgh26
- Lower middle market private equity firms in Columbus25
- Lower middle market private equity firms in Fort Lauderdale25
- Lower middle market private equity firms in Orlando25
Frequently asked
How many lower middle market private equity firms are there based in Newport Beach, United States?
RevenueBase identified 43 lower middle market private equity firms headquartered in Newport Beach, 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?
L Squared Capital Partners, headquartered in Newport Beach, tops this list with the largest team on record.
Which city has the most lower middle market private equity firms?
New York leads with 933 headquartered companies, followed by Chicago (321) and Dallas (286).
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 78 verified decision-maker contacts tracked across these 43 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 4, 2026.
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Lower middle market private equity firms by geography
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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 SmartSearch, 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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