Company lists · Data refreshed November 2026

Top 25 Business advisory services based in the United States

Name: Business advisory services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 19,575 companies tracked

RevenueBase identified 19,575 company matches for business advisory services associated with the United States as of November 2026 and tracks 185,278 professional contacts across them, including 78,201 with verified work emails. New York is the largest hub.

This list covers company matches for business advisory 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 November 6, 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 Nov 6, 2026 How this list was built

19,575Companies

185,278Contacts tracked

78,201Verified emails

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The 25 largest business advisory services based in the United States

Ranked by team size

Top 25 of 19,575 company matches for business advisory services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Alvarez & Marsal	Exact match	New York, IL, United StatesHQ recorded Nov 6, 2026	10001+	14,637 contacts →
	Exact match “Alvarez & Marsal is a leading global professional services firm dedicated to helping organizations tackle their most complex business issues, maximize stakeholder value, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Accenture Strategy & Consulting	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,199 contacts →
	Exact match “Accenture Strategy combines deep industry expertise, advanced analytics capabilities and human-led design methodologies that enable clients to act with speed and confidence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	CBIZ	Exact match	Independence, MO, United StatesHQ recorded Nov 6, 2026	10001+	6,622 contacts →
	Exact match “CBIZ, Inc.(NYSE: CBZ) is a leading professional services advisor to middle-market businesses nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Eisneramper	Exact match	New York, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,410 contacts →
	Exact match “EisnerAmper, one of the largest business consulting firms in the world, is comprised of EisnerAmper LLP, a licensed independent CPA firm that provides client attest services; and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Withum	Exact match	Princeton, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,484 contacts →
	Exact match “Withum is a forward-thinking, technology-driven advisory and accounting firm, helping clients to Be in a Position of Strength in today’s modern business landscape.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Wipfli	Exact match	Milwaukee, WI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,201 contacts →
	Exact match “Always advancing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Inc. Magazine	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	n/a	2,245 contacts →
	Exact match “Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	TENEO	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,070 contacts →
	Exact match “Teneo is the global CEO advisory firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Nassau Street Partners	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	n/a	1,928 contacts →
	Exact match “Nassau Street Partners is an independent capital advisory firm focused on mergers and acquisitions, capital markets advisory, and strategic financial solutions for early-stage and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	MCA	Exact match	Westport, CT, United StatesHQ recorded Nov 6, 2026	n/a	1,709 contacts →
	Exact match “MCAworks is a strategic marketing consulting firm passionately dedicated to helping our clients accelerate and sustain business growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	PJT Partners	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	1,525 contacts →
	Exact match “PJT Partners is a premier, global, advisory-focused investment bank that was built from the ground up to be different.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	STOUT	Exact match	Chicago, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,488 contacts →
	Exact match “Stout is a global advisory firm specializing in corporate finance, valuation, accounting and transaction advisory, strategy, and financial disputes, claims, and investigations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Riveron	Exact match	Dallas, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,246 contacts →
	Exact match “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	CFGI	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,183 contacts →
	Exact match “As a leading global accounting and business advisory firm, CFGI provides solutions to solve clients’ most complex problems, without the restrictions created by auditor…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	The Bonadio Group	Exact match	Pittsford, DE, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,153 contacts →
	Exact match “Founded in 1978 and led by active and engaged problem solvers, The Bonadio Group (TBG) brings a unique passion and approach to our work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Perella Weinberg	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	890 contacts →
	Exact match “Perella Weinberg is a leading global independent financial services firm, founded in 2006 to address the need for experienced, trusted and unconflicted advice in the financial…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Warren Averett	Exact match	Birmingham, GA, United StatesHQ recorded Nov 6, 2026	501-1,000	862 contacts →
	Exact match “Warren Averett CPAs and Advisors is a top-tier accounting and advisory firm based in the Southeastern U.S, proudly ranking among the nation's top 50 firms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Pinion	Exact match	Loveland, MT, United StatesHQ recorded Nov 6, 2026	501-1,000	728 contacts →
	Exact match “Pinion is a business advisory provider, ‘U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	HBK Cpas & Consultants	Exact match	Canfield, NJ, United StatesHQ recorded Nov 6, 2026	501-1,000	676 contacts →
	Exact match “Established in 1949, HBK is a multidisciplinary financial services firm offering the collective intelligence of hundreds of professionals committed to delivering exceptional…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Blue & Co., LLC	Exact match	Carmel, TX, United StatesHQ recorded Nov 6, 2026	201-500	675 contacts →
	Exact match “At Blue & Co.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	SEI	Exact match	Cincinnati, OH, United StatesHQ recorded Nov 6, 2026	501-1,000	661 contacts →
	Exact match “SEI is a management consulting firm delivering fresh perspectives and reliable results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	633 contacts →
	Exact match “For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	REA	Exact match	New Philadelphia, OH, United StatesHQ recorded Nov 6, 2026	201-500	626 contacts →
	Exact match “At Rea, we're building more than just a business advisory and accounting firm – we're constructing lasting partnerships.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Analytix Solutions	Exact match	Woburn, MA, United StatesHQ recorded Nov 6, 2026	501-1,000	624 contacts →
	Exact match “Welcome to Analytix Solutions!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	DLC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	201-500	577 contacts →
	Exact match “DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “business advisory services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 19,575 business advisory services based in the United States

See the full list, filter by size, metro and specialty, and access 78,201 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business advisory services based in the United States at a glance

As of Nov 6, 2026

42.2%Verified-email coverage

9.5Average contacts per company

1-10Median size (employees)

5.7%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

15,586

11-50

3,135

51-200

577

201-500

125

501-1,000

1,001-5,000

5,001-10,000

10001+

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 19,575 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 “business advisory 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 78,201 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 November 6, 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.

Business advisory services by metro

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 “business advisory services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business advisory services are there based in the United States?

RevenueBase identified 19,575 company matches for business advisory services associated with the United States as of November 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?

Alvarez & Marsal tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most business advisory services?

New York leads with 1120 company records, followed by Atlanta (471) and Chicago (445).

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 78,201 professional contacts with verified work emails tracked across these 19,575 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 November 6, 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.