Company lists · Data refreshed September 2026

Top 25 Corporate consulting firms based in Seattle, United States

RevenueBase identified 180 corporate consulting firms headquartered in Seattle, United States as of September 2026 and tracks 1,340 professional contacts across them, including 477 with verified work emails. Across the United States, New York is the largest hub for this category (784 companies); Seattle has 180.

This list covers corporate consulting firms headquartered in Seattle, 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 24, 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 24, 2026 86% judged on-target in blind review
180Companies
1,340Contacts tracked
477Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest corporate consulting firms based in Seattle, United States

Ranked by team size
Top 25 of 180 corporate consulting firms based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 24, 2026. RevenueBase Smart Search rates how each company's information relates to corporate 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
1Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 2026501-1,000262 contacts →

Indirect evidence

“We help you to see the full picture, bringing our experts together with you to co-develop approaches and operationalize plans across the dimension of strategy, people, process…”

Source: RevenueBase Database · checked Sep 24, 2026
2Partial evidenceSeattle, WA, United StatesHQ checked Sep 24, 2026201-500247 contacts →

Partial evidence

“Bridge Partners is a people-focused, customer-driven consulting firm that helps organizations transform to drive revenue growth, adapt to change, and create customer value.”

Source: RevenueBase Database · checked Sep 24, 2026
3Strong evidenceSeattle, WA, United StatesHQ checked Sep 24, 202651-200103 contacts →

Strong evidence

“Sila is a technology and management consulting firm that delivers lasting and substantial business solutions to the world’s leading corporations and Federal government agencies.”

Source: RevenueBase Database · checked Sep 24, 2026
4Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-5046 contacts →

Indirect evidence

“Our goal is simple: We strive to empower businesses with the tools and expertise they need to thrive.”

Source: RevenueBase Database · checked Sep 24, 2026
5Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 202651-20030 contacts →

Indirect evidence

“A multidisciplinary group of experts that supports business owners and directors in analyzing their companies to identify issues or opportunities and find alternative solutions…”

Source: RevenueBase Database · checked Sep 24, 2026
6Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 202651-20029 contacts →

Indirect evidence

“Waldron CPI (a Career Partners International affiliate) is now SparkEffect.”

Source: RevenueBase Database · checked Sep 24, 2026
7Partial evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-5028 contacts →

Partial evidence

“Forum Solutions is a management consulting firm partnering with leaders to turn strategy into results and disruption into lasting advantage.”

Source: RevenueBase Database · checked Sep 24, 2026
8Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-5023 contacts →

Indirect evidence

“Zeevo delivers comprehensive solutions designed to improve the effectiveness and success of our clients’ processes, policies, teams, and technology.”

Source: RevenueBase Database · checked Sep 24, 2026
9Partial evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-5019 contacts →

Partial evidence

“Pivotal Consulting is a technology management consulting firm specializing in delivering strategic and tactical project solutions.”

Source: RevenueBase Database · checked Sep 24, 2026
10Partial evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-5017 contacts →

Partial evidence

“tō·kü·sȯ·kü/ A well thought plan TokuSaku Consulting is a management and technology consulting company dedicated to driving best-of-class solutions with innovative approaches.”

Source: RevenueBase Database · checked Sep 24, 2026
11Strong evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-5017 contacts →

Strong evidence

“Oxygen is a boutique consulting services firm that drives business growth for corporate enterprise and mid-market companies.”

Source: RevenueBase Database · checked Sep 24, 2026
12Partial evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-5016 contacts →

Partial evidence

“Lake Partners offers high-end strategy consulting without the high-end attitude.”

Source: RevenueBase Database · checked Sep 24, 2026
13Partial evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-5014 contacts →

Partial evidence

“We Think Outside the Box to Deliver Exceptional Results If you’re thinking of hiring a consulting firm, consider this: Good consultants bring strategic advice to solve your…”

Source: RevenueBase Database · checked Sep 24, 2026
14Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-5013 contacts →

Indirect evidence

“Transforming a business starts with strong leadership.”

Source: RevenueBase Database · checked Sep 24, 2026
15Partial evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-5010 contacts →

Partial evidence

“Kocer Consulting + Engineering helps companies become more profitable and sustainable by developing and implementing improvements to operations and systems, and planning for the…”

Source: RevenueBase Database · checked Sep 24, 2026
16Partial evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-509 contacts →

Partial evidence

“AVIE provides business and strategy consulting services to the top technology firms in the greater Seattle area.”

Source: RevenueBase Database · checked Sep 24, 2026
17Partial evidenceSeattle, United StatesHQ checked Sep 24, 20261-108 contacts →

Partial evidence

“Larson Consulting Associates is a federally and state certified Disadvantaged Business Enterprise; and federally certified Small Business Enterprise.”

Source: RevenueBase Database · checked Sep 24, 2026
18Indirect evidenceSeattle, United StatesHQ checked Sep 24, 202611-508 contacts →

Indirect evidence

“ChowaCo is a premier business consultancy dedicated to revolutionizing the way companies operate.”

Source: RevenueBase Database · checked Sep 24, 2026
19Partial evidenceSeattle, United StatesHQ checked Sep 24, 20261-108 contacts →

Partial evidence

“Welcome to Sodo Consulting: Your Source for Leadership, Organizational and Team Development Excellence Is it time to turn your goals into reality?”

Source: RevenueBase Database · checked Sep 24, 2026
20Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-507 contacts →

Indirect evidence

“Everyone has their superpowers.”

Source: RevenueBase Database · checked Sep 24, 2026
21Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 202611-506 contacts →

Indirect evidence

“Sparklos is a boutique consultancy firm that supports high-powered executives and aspiring leaders achieve tangible success at an accelerated pace.”

Source: RevenueBase Database · checked Sep 24, 2026
22Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 20261-105 contacts →

Indirect evidence

“At the senior leadership level, often only the most experienced, trusted advisers can add value and be a thought-partner for growth.”

Source: RevenueBase Database · checked Sep 24, 2026
23Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 20261-104 contacts →

Indirect evidence

“Imago is here to support you in becoming radically responsible for the talents that you have been given, so you can break the old systems that no longer serve us and build new…”

Source: RevenueBase Database · checked Sep 24, 2026
24Partial evidenceSeattle, WA, United StatesHQ checked Sep 24, 20261-104 contacts →

Partial evidence

“No matter the size or scope of your idea, personal or professional, we guide you from concept to results with decades of business consulting experience and certified professional…”

Source: RevenueBase Database · checked Sep 24, 2026
25Indirect evidenceSeattle, WA, United StatesHQ checked Sep 24, 20261-104 contacts →

Indirect evidence

“People first.”

Source: RevenueBase Database · checked Sep 24, 2026

Showing 25 of 180 corporate consulting firms based in Seattle, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 477 reachable decision-makers.

Free signup · no credit card

View the full list →

Corporate consulting firms based in Seattle, United States at a glance

As of Sep 24, 2026
35.6%Verified-email coverage
7.4Average contacts per company
1-10Median size (employees)
Sep 24, 2026Page data refreshed

Companies by employee count

1-10
145
11-50
27
51-200
5
201-500
2
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 180 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 corporate 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 Seattle, United States whose own description of what they do matches “corporate 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 corporate 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 corporate consulting firms, and records with no verified work email. Companies headquartered outside Seattle 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, 477 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 24, 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.

Corporate 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 corporate 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 corporate consulting firms are there based in Seattle, United States?

RevenueBase identified 180 corporate consulting firms headquartered in Seattle, 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?

Wimmer Solutions, headquartered in Seattle, tops this list with the largest team on record.

Which city in the United States has the most corporate consulting firms?

New York leads the United States with 784 headquartered companies, followed by Atlanta (495) and Chicago (490). Seattle has 180.

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 477 verified decision-maker contacts tracked across these 180 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 24, 2026.

Ready to reach these companies? Verified emails and direct dials for all 180 corporate consulting firms based in Seattle, United States. Start with a free account, no credit card.

Download this list →

Related lists

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.