Company lists · Data refreshed September 2026

Top 25 Private equity operational support companies based in the United States

RevenueBase identified 2,118 private equity operational support companies headquartered in the United States as of September 2026 and tracks 27,387 professional contacts across them, including 14,032 with verified work emails. New York is the largest hub.

This list covers private equity operational support companies headquartered in the 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 29, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
2,118Companies
27,387Contacts tracked
14,032Verified emails
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The 25 largest private equity operational support companies based in the United States

Ranked by team size
Top 25 of 2,118 private equity operational support companies based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to private equity operational support companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBoston, MA, United StatesHQ checked Sep 29, 20261,001-5,0004,093 contacts →

Indirect evidence

“L.E.K.”

Source: RevenueBase Database · checked Sep 29, 2026
2Strong evidenceDallas, TX, United StatesHQ checked Sep 29, 20261,001-5,0001,160 contacts →

Strong evidence

“With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.”

Source: RevenueBase Database · checked Sep 29, 2026
3Strong evidenceBoston, MA, United StatesHQ checked Sep 29, 2026501-1,0001,025 contacts →

Strong evidence

“Advent is a leading global private equity investor committed to working in partnership with management teams, entrepreneurs, and founders to help transform businesses.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 29, 20261,001-5,000959 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
5Strong evidenceNew York, NY, United StatesHQ checked Sep 29, 20261,001-5,000907 contacts →

Strong evidence

“Accordion is the value creation partner for private equity.”

Source: RevenueBase Database · checked Sep 29, 2026
6Strong evidenceBoston, MA, United StatesHQ checked Sep 29, 2026201-500881 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
7Strong evidenceNew York, NY, United StatesHQ checked Sep 29, 2026n/a337 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
8Strong evidenceChicago, IL, United StatesHQ checked Sep 29, 202651-200327 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
9Strong evidenceNew York, United StatesHQ checked Sep 29, 2026201-500301 contacts →

Strong evidence

“Alpha Alternatives is the specialist alternatives consulting division of Alpha FMC, dedicated to creating value for private markets clients-including Private Equity, Private Debt…”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 2026n/a283 contacts →

Partial evidence

“Partners, LLC has transformed under-performing companies into high performance operations for more than 60 years.”

Source: RevenueBase Database · checked Sep 29, 2026
11Strong evidenceNew York, NY, United StatesHQ checked Sep 29, 2026201-500255 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceAustin, TX, United StatesHQ checked Sep 29, 2026201-500250 contacts →

Indirect evidence

“Bridgepoint Consulting, an Addison Group company, is a leading management consulting firm that offers a full suite of services and solutions to help companies navigate the…”

Source: RevenueBase Database · checked Sep 29, 2026
13Strong evidenceChicago, IL, United StatesHQ checked Sep 29, 202651-200187 contacts →

Strong evidence

“DPO & Co specializes in helping Private Equity firms and their portfolio companies gain fact-based insights during the diligence process and realize post-close synergies and value…”

Source: RevenueBase Database · checked Sep 29, 2026
14Strong evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 202651-200168 contacts →

Strong 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 29, 2026
15Strong evidenceCleveland, OH, United StatesHQ checked Sep 29, 2026n/a159 contacts →

Strong evidence

“FALCON, Private Equity’s C-Suite Recruiter, is built to drive top-quartile performance for CEOs, CFOs, GPs and LPs who participate in the private equity-backed, middle market.”

Source: RevenueBase Database · checked Sep 29, 2026
16Strong evidenceNY, United StatesHQ checked Sep 29, 202651-200150 contacts →

Strong evidence

“Beckway is a professional services firm that delivers hands-on operational, performance improvement, and financial solutions to accelerate EBITDA growth for private equity-backed…”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 202651-200138 contacts →

Indirect evidence

“We are MERU.”

Source: RevenueBase Database · checked Sep 29, 2026
18Strong evidenceNew York, NY, United StatesHQ checked Sep 29, 202611-50138 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceBoca Raton, FL, United StatesHQ checked Sep 29, 202651-200131 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
20Strong evidencePittsburgh, PA, United StatesHQ checked Sep 29, 202651-200125 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
21Strong evidenceNew York, NY, United StatesHQ checked Sep 29, 202651-200124 contacts →

Strong evidence

“American Industrial Partners (“AIP”) is an operationally-oriented middle market private equity firm that is distinctively focused on buying and improving industrial businesses…”

Source: RevenueBase Database · checked Sep 29, 2026
22Strong evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-50120 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceAustin, TX, United StatesHQ checked Sep 29, 202651-200118 contacts →

Indirect evidence

“Founded in 2008, Serent Capital partners with bootstrapped founders of B2B software and tech-enabled services companies to build category-defining businesses.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceDallas, TX, United StatesHQ checked Sep 29, 202651-200114 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidencePortsmouth, NH, United StatesHQ checked Sep 29, 202651-200113 contacts →

Indirect evidence

“Synergetics has grown to become one of the most respected global management consulting firms, partnering with companies and their stakeholders to help improve operating…”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 2,118 private equity operational support companies based in the United States

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Private equity operational support companies based in the United States at a glance

As of Sep 29, 2026
51.2%Verified-email coverage
12.9Average contacts per company
1-10Median size (employees)
10.7%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,508
11-50
476
51-200
98
201-500
19
501-1,000
5
1,001-5,000
9
5,001-10,000
1

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 2,118 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 equity operational support 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 the United States whose own description of what they do matches “private equity operational support 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 equity operational support 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 equity operational support companies, and records with no verified work email. Companies headquartered outside United States 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, 14,032 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 29, 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.

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 equity operational support 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 equity operational support companies are there based in the United States?

RevenueBase identified 2,118 private equity operational support companies headquartered in the 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.E.K. Consulting, headquartered in Boston, tops this list with the largest team on record.

Which city has the most private equity operational support companies?

New York leads with 226 headquartered companies, followed by Chicago (110) and Houston (71).

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 14,032 verified decision-maker contacts tracked across these 2,118 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 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 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.