Company lists · Data refreshed September 2026

Top 25 Private equity administrative services based in the United States

RevenueBase identified 1,059 company matches for private equity administrative services associated with the United States as of September 2026 and tracks 25,647 professional contacts across them, including 12,481 with verified work emails. New York is the largest hub.

This list covers company matches for private equity administrative services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
1,059Companies
25,647Contacts tracked
12,481Verified emails
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The 25 largest private equity administrative services based in the United States

Ranked by team size
Top 25 of 1,059 company matches for private equity administrative services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20265,001-10,0006,324 contacts →

Exact match

“Brown Brothers Harriman (BBH) is a global financial services firm known for premium service and specialist expertise.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchDallas, NY, United StatesHQ recorded Sep 29, 20261,001-5,0001,717 contacts →

Exact match

“At HedgeServ, we’re redefining what’s possible in fund administration.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchOakbrook Terrace, IL, United StatesHQ recorded Sep 29, 20261,001-5,0001,168 contacts →

Exact match

“Founded in 1991, NAV Fund Services is a privately owned fund administrator recognized for its innovative proprietary technology and award-winning solutions for multiple fund…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261,001-5,000959 contacts →

Exact match

“Standish is the leading independent provider of fund administration and related services to the private capital industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Sep 29, 2026201-500881 contacts →

Exact match

“TA is a leading global private equity firm focused on scaling growth in profitable companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchCincinnati, OH, United StatesHQ recorded Sep 29, 20261,001-5,000574 contacts →

Exact match

“775+B AUA | 450+ Clients | 2,500+ Investment Funds or Accounts | 1,200+ Employees | 8 Offices Ultimus Fund Solutions is a leading provider of full-service tech-enhanced fund…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 2026501-1,000537 contacts →

Exact match

“HC Global was founded in 2008 and is built by six principals who average over 20 years of experience as Big 4 auditors, fund administrators, and buy-side finance and operations…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026n/a337 contacts →

Exact match

“W Capital Partners is a private equity firm that provides secondary liquidity to shareholders in private businesses and growth capital for those companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Sep 29, 202651-200327 contacts →

Exact match

“Shore Capital, a Chicago-based private equity firm with an office in Nashville, is an investor in lower-middle market companies in the Healthcare, Food and Beverage, Business…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026201-500255 contacts →

Exact match

“Petra Funds Group is a leading global provider of fund administration, middle and back-office support, regulatory compliance, and ESG services for private equity, venture funds…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Sep 29, 2026201-500255 contacts →

Exact match

“Berkshire Partners is a 100% employee-owned, multi-sector specialist investor in private and public equity, with a focus on North American-based, middle-market companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchPortland, ME, United StatesHQ recorded Sep 29, 2026201-500220 contacts →

Exact match

“Stone Coast Fund Services delivers comprehensive fund administration to alternative investment managers who expect more.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-50138 contacts →

Exact match

“Kingfish is a different kind of private equity firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchPittsburgh, PA, United StatesHQ recorded Sep 29, 202651-200125 contacts →

Exact match

“Incline Equity Partners is the driving force in middle market private equity.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchBeverly Hills, CA, United StatesHQ recorded Sep 29, 202651-200124 contacts →

Exact match

“LLCP is a middle-market private equity firm with a 42-year track record of investing across various targeted sectors, including Business Services, Franchising & Multi-unit…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202611-50120 contacts →

Exact match

“Founded in 1982, The Sterling Group, is a private equity investment firm that targets controlling interests in basic manufacturing, industrial services and distribution companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchDallas, TX, United StatesHQ recorded Sep 29, 202651-200114 contacts →

Exact match

“LP Analyst is the industry leading portfolio managed data and technology platform provider working with more than 100 of the largest institutional investors globally to help…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-200112 contacts →

Exact match

“One Rock Capital Partners is a New York-based private equity firm with ~$10.0 billion of cumulative capital commitments focused on investing in companies across a range of…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchGarden City, NY, United StatesHQ recorded Sep 29, 202651-200109 contacts →

Exact match

“Frankel Loughran Starr & Vallone LLP (FLSV), a premier accounting, tax advisory and compliance firm focused primarily in the financial services industry, was formed in 1995 by…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchProvidence, RI, United StatesHQ recorded Sep 29, 202651-200106 contacts →

Exact match

“Founded in 1986, Nautic Partners LLC is a middle-market private equity firm that has managed over $9.5 billion of equity capital spanning three decades.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchPalo Alto, CA, United StatesHQ recorded Sep 29, 202611-50104 contacts →

Exact match

“Founded in 2010, Altamont Capital Partners (“Altamont”) is a private equity firm focused on transforming and scaling lower-middle-market companies across the Industrials, Business…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Sep 29, 202651-20099 contacts →

Exact match

“Madison Dearborn Partners, LLC ("MDP") is a leading private equity investment firm based in Chicago that, since its formation in 1992, has raised aggregate capital of…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchWestport, CT, United StatesHQ recorded Sep 29, 202651-20096 contacts →

Exact match

“Gemspring Capital, a Westport, Connecticut-based private equity firm with $5.1 billion of capital under management, provides flexible capital solutions to middle market companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchWashington, DC, United StatesHQ recorded Sep 29, 202651-20091 contacts →

Exact match

“ACON Investments is a private equity investment firm led by a cohesive team that has been investing together for over 25 years.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-20090 contacts →

Exact match

“Founded in 1986, Abbott Capital Management, LLC is an independent investment adviser specializing in the creation and management of private equity investment programs spanning the…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 1,059 private equity administrative services based in the United States

See the full list, filter by size, metro and specialty, and access 12,481 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Private equity administrative services based in the United States at a glance

As of Sep 29, 2026
48.7%Verified-email coverage
24.2Average contacts per company
1-10Median size (employees)
15.9%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
621
11-50
338
51-200
63
201-500
17
501-1,000
6
1,001-5,000
8
5,001-10,000
2
10001+
3

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,059 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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
Company records associated with the United States whose business descriptions match “private equity administrative services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 12,481 professional contacts with verified work emails across the full matched dataset. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “private equity administrative services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many private equity administrative services are there based in the United States?

RevenueBase identified 1,059 company matches for private equity administrative services associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Brown Brothers Harriman tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most private equity administrative services?

New York leads with 168 company records, followed by Chicago (62) and Dallas (45).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 12,481 professional contacts with verified work emails tracked across these 1,059 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 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.