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Company lists · Data refreshed September 2026

Top 25 Boutique consulting firms based in Washington, United States

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 612 companies tracked

RevenueBase identified 612 boutique consulting firms headquartered in Washington, United States as of September 2026 and tracks 5,032 professional contacts across them, including 1,715 with verified work emails. New York is the largest hub.

This list covers boutique consulting firms headquartered in Washington, 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 23, 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 23, 2026 86% judged on-target in blind review
612Companies
5,032Contacts tracked
1,715Verified emails
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The 25 largest boutique consulting firms based in Washington, United States

Ranked by team size
Top 25 of 612 boutique consulting firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 23, 2026. RevenueBase Smart Search rates how each company's information relates to boutique consulting firms: 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
1
IBM Promontory
Partial evidenceWashington, DC, United StatesHQ checked Sep 23, 2026501-1,000403 contacts →

Partial evidence

“IBM Promontory is a global leader in strategy, risk management, and compliance consulting.#IBMConsulting”

Source: RevenueBase Database · checked Sep 23, 2026
2
Kaiser Associates
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-200397 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 23, 2026
3
MGAC
Partial evidenceWashington, DC, United StatesHQ checked Sep 23, 2026201-500390 contacts →

Partial evidence

“MGAC is a global boutique consultancy dedicated to managing and representing our clients’ best interests.”

Source: RevenueBase Database · checked Sep 23, 2026
4
TCG
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-200263 contacts →

Indirect evidence

“Traditional we are not.”

Source: RevenueBase Database · checked Sep 23, 2026
5
Herren Associates
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-200142 contacts →

Indirect evidence

“Here at Herren, our goals are to drive efficiency and maximize the value of every dollar our clients spend.”

Source: RevenueBase Database · checked Sep 23, 2026
6
DHA Group, INC
Partial evidenceWashington, DC, United StatesHQ checked Sep 23, 2026201-500135 contacts →

Partial evidence

“DHA is a full-service Information Technology and Consulting firm dedicated to providing mission-critical services to our Federal Government and commercial clients.”

Source: RevenueBase Database · checked Sep 23, 2026
7
Telesolv Consulting
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 2026201-500132 contacts →

Indirect evidence

“To become a demand business, an organization must constantly improve the value created by its core business processes.”

Source: RevenueBase Database · checked Sep 23, 2026
8
BCS LLC
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 2026201-500111 contacts →

Indirect evidence

“BCS Allegient is a small business with a 30-year history of helping government, research, and private sector clients implement their programs and missions and achieve success.”

Source: RevenueBase Database · checked Sep 23, 2026
9
The Cohen Group
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-200110 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 23, 2026
10
Blue Water Thinking
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-20091 contacts →

Indirect evidence

“Strategy, Management and Technology Consultancy”

Source: RevenueBase Database · checked Sep 23, 2026
11
Censeo Consulting Group
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-20084 contacts →

Indirect evidence

“Running an organization and executing plans is hard work.”

Source: RevenueBase Database · checked Sep 23, 2026
12
JMA Solutions
Partial evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-20077 contacts →

Partial evidence

“Headquartered in Washington, DC, JMA Solutions is an award-winning consulting firm with more than 20 years of experience delivering extraordinary customer service to our…”

Source: RevenueBase Database · checked Sep 23, 2026
13
Willpower Consultation
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202611-5075 contacts →

Indirect evidence

“Willpower Consultation offers direct solutions for your corporate strategy.”

Source: RevenueBase Database · checked Sep 23, 2026
14
Longevity Consulting
Partial evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-20071 contacts →

Partial evidence

“Longevity Consulting is a customer-focused strategic management and IT consulting firm that helps federal agencies achieve mission objectives, improve outcomes, and strengthen…”

Source: RevenueBase Database · checked Sep 23, 2026
15
Patomak Global Partners
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-20065 contacts →

Indirect evidence

“Patomak is a financial services consultancy that provides industry and regulatory expertise, delivers value in an efficient manner, and provides a competitive edge to companies…”

Source: RevenueBase Database · checked Sep 23, 2026
16
Collaborative Mind, LLC Cmind
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202611-5056 contacts →

Indirect evidence

“CMIND assists its clients strategize, leverage and implement practical solutions to maintain their competitive advantage.”

Source: RevenueBase Database · checked Sep 23, 2026
17
Ward Circle Strategies
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-20052 contacts →

Indirect evidence

“Ward Circle Strategies, Inc.”

Source: RevenueBase Database · checked Sep 23, 2026
18
Blue SKY Innovative Solutions
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-20043 contacts →

Indirect evidence

“Blue Sky Innovative Solutions (Blue Sky) understands the business and information technology challenges and opportunities that face government and private sector clients and we…”

Source: RevenueBase Database · checked Sep 23, 2026
19
Capital Group
Partial evidenceWashington, DC, United StatesHQ checked Sep 23, 202611-5043 contacts →

Partial evidence

“Capital Group is a management consulting firm with more than a decade of experience in providing effective and innovative consulting services to public and private sector clients.”

Source: RevenueBase Database · checked Sep 23, 2026
20
Trust Consulting Services INC
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 2026201-50042 contacts →

Indirect evidence

“We bring an experience unmatched anywhere else, with knowledgeable and thoughtful consultants plus flexible, tailored approaches, all centered on the right outcomes for your…”

Source: RevenueBase Database · checked Sep 23, 2026
21
The Nebo Company
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202611-5033 contacts →

Indirect evidence

“Founded in 2004, the Nebo Company is a trusted partner in leadership development and organizational resiliency.”

Source: RevenueBase Database · checked Sep 23, 2026
22
NEW Enterprise Ventures
Partial evidenceWashington, DC, United StatesHQ checked Sep 23, 202611-5031 contacts →

Partial evidence

“New Enterprise Ventures is a consulting firm specializing in supporting our clients with transformative strategy and business development to accelerate penetration in the US…”

Source: RevenueBase Database · checked Sep 23, 2026
23
E-Logic, INC
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202611-5030 contacts →

Indirect evidence

“What we do is help our clients develop and manage cost efficient strategies to implement their projects and reach their goals.”

Source: RevenueBase Database · checked Sep 23, 2026
24
Atlas Research
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 2026201-50030 contacts →

Indirect evidence

“Atlas Research partners with clients to plan and execute enterprise-level transformation and performance improvement initiatives.”

Source: RevenueBase Database · checked Sep 23, 2026
25
Ibility LLC
Indirect evidenceWashington, DC, United StatesHQ checked Sep 23, 202651-20029 contacts →

Indirect evidence

“Ibility, a Service-Disabled Veteran-Owned (SDVOSB), Women-Owned Small Business (WOSB), and Economically Disadvantaged Women Owned Small Business (EDWOSB), is located in the…”

Source: RevenueBase Database · checked Sep 23, 2026

Showing 25 of 612 boutique consulting firms based in Washington, United States

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Boutique consulting firms based in Washington, United States at a glance

As of Sep 23, 2026
34.1%Verified-email coverage
8.2Average contacts per company
1-10Median size (employees)
250.8%Largest-city concentration · New York
Sep 23, 2026Page data refreshed

Companies by employee count

1-10
445
11-50
123
51-200
31
201-500
9
501-1,000
3
10001+
1

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 612 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 boutique consulting firms, 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 Washington, United States whose own description of what they do matches “boutique consulting firms”. 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 boutique consulting firms), 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 boutique consulting firms, and records with no verified work email. Companies headquartered outside Washington 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, 1,715 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 23, 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.

Boutique consulting firms by metro in the United States

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 boutique consulting firms, 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 boutique consulting firms are there based in Washington, United States?

RevenueBase identified 612 boutique consulting firms headquartered in Washington, 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?

IBM Promontory, headquartered in Washington, tops this list with the largest team on record.

Which city has the most boutique consulting firms?

New York leads with 1535 headquartered companies, followed by Atlanta (772) and Chicago (769).

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 1,715 verified decision-maker contacts tracked across these 612 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 23, 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.

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