Company lists · Data refreshed October 2026

Top 25 International business consulting firms based in Washington, United States

Name: International business consulting firms based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 253 companies tracked

RevenueBase identified 253 company matches for international business consulting firms associated with Washington, United States as of October 2026 and tracks 2,542 professional contacts across them, including 710 with verified work emails. Across the United States, New York is the largest hub for this category (585 companies); Washington has 253.

This list covers company matches for international business consulting firms associated with Washington, 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 October 1, 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 Oct 1, 2026 How this list was built

253Companies

2,542Contacts tracked

710Verified emails

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The 25 largest international business consulting firms based in Washington, United States

Ranked by team size

Top 25 of 253 company matches for international business consulting firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	IBM Promontory	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	501-1,000	403 contacts →
	Exact match “IBM Promontory is a global leader in strategy, risk management, and compliance consulting.#IBMConsulting” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Kaiser Associates	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	397 contacts →
	Exact match “Kaiser Associates was founded in 1981 with a simple yet powerful mission: to help executives make more informed strategic and operational decisions by incorporating external…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Dga-Albright Stonebridge Group	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	187 contacts →
	Exact match “Albright Stonebridge Group (ASG) is part of DGA Group, a global advisory firm that helps clients protect – and grow – what they have built in today’s complex business environment.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Telesolv Consulting	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	201-500	132 contacts →
	Exact match “To become a demand business, an organization must constantly improve the value created by its core business processes.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	The Cohen Group	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	110 contacts →
	Exact match “Who We Are A talented team of experts with years of experience in both government and industry, with a passion for finding solutions and a deep understanding of the institutions…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Blue Water Thinking	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	91 contacts →
	Exact match “Strategy, Management and Technology Consultancy” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Mclarty Associates	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	80 contacts →
	Exact match “McLarty Associates, An Ankura Company, is the global strategy firm led by former Clinton White House Chief of Staff Thomas F.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Willpower Consultation	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	75 contacts →
	Exact match “Willpower Consultation offers direct solutions for your corporate strategy.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Collaborative Mind, LLC Cmind	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	56 contacts →
	Exact match “CMIND assists its clients strategize, leverage and implement practical solutions to maintain their competitive advantage.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Westexec Advisors	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	51 contacts →
	Exact match “WestExec Advisors brings the Situation Room to the Board Room.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Bondi Partners	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	31 contacts →
	Exact match “Bondi Partners is a premier strategic advisory, advocacy and investment firm, purpose-built for the most consequential business challenges of our era.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Falcon Capital Advisors	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	26 contacts →
	Exact match “Falcon Capital Advisors is a Washington, D.C.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Keybridge	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	25 contacts →
	Exact match “Keybridge is a boutique economic and public policy consulting firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Crowell Global Advisors	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	23 contacts →
	Exact match “At Crowell Global Advisors, we guide our clients to navigate complex global challenges, unlock new opportunities, and deliver on their promises.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	IBS Management & Consultancy Services	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	21 contacts →
	Exact match “IBS is an Accounting, Finance, Management, and Transaction Advisory consulting firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Victory SIX Advisors	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	20 contacts →
	Exact match “Victory Six provides industry leaders an unbiased, independent lens, pulling from a wealth of experts with distinguished industry and government backgrounds.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Touchdown Strategies	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1-10	15 contacts →
	Exact match “OUR APPROACH Partner Strong relationships are at the heart of everything we do.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Potomac International Partners, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match “Potomac International Partners is a multidisciplinary consulting firm that matches ideas with needs and creates opportunities from challenges.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Bernuth & Williamson	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “Bernuth & Williamson provides consulting services in the areas of strategy, change management, and organizational development to leading nonprofits, foundations, associations, and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Innovative Federal Strategies	Exact match	Washington, United StatesHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “Innovative Federal Strategies provides big firm results with a small firm feel.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Dcdb Group	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “DCDB Group is a full range provider of consultancy services related to international business transactions and executions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Blue Star Strategies, LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	12 contacts →
	Exact match “Based in Washington, DC and with offices in Europe and Latin America, Blue Star Strategies, LLC provides advice and counsel to global corporations, sovereign governments, NGOs…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Thegroup DC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1-10	10 contacts →
	Exact match “theGROUP is an independent strategy, policy, and communications firm based in Washington, DC.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Rock Creek Global Advisors LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1-10	10 contacts →
	Exact match “Rock Creek Global Advisors is an international economic policy advisory firm helping clients navigate an increasingly complex and competitive global marketplace.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Sorini, Samet & Associates, LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	9 contacts →
	Exact match “Delivering results: our objective is to combine our decades of experience in government, the private sector, and media with creative policy ideas to develop practical solutions to…” Recorded in the RevenueBase company graph · Oct 1, 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 “international business consulting firms”. 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 253 international business consulting firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 710 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International business consulting firms based in Washington, United States at a glance

As of Oct 1, 2026

27.9%Verified-email coverage

10.0Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

163

11-50

51-200

201-500

501-1,000

10001+

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 253 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 Washington, United States whose business descriptions match “international business consulting firms” 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 710 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 October 1, 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.

International business consulting firms by metro in the United States

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

How many international business consulting firms are there based in Washington, United States?

RevenueBase identified 253 company matches for international business consulting firms associated with Washington, United States as of October 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?

IBM Promontory tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most international business consulting firms?

New York leads the United States with 585 company records, followed by Miami (284) and Washington (253).

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 710 professional contacts with verified work emails tracked across these 253 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 October 1, 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.