Company lists · Data refreshed September 2026

Top 25 Clinical operations consulting companies based in Seattle, United States

RevenueBase identified 91 clinical operations consulting companies headquartered in Seattle, United States as of September 2026 and tracks 375 professional contacts across them, including 134 with verified work emails. New York is the largest hub.

This list covers clinical operations consulting companies 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 16, 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 16, 2026 86% judged on-target in blind review
91Companies
375Contacts tracked
134Verified emails
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The 25 largest clinical operations consulting companies based in Seattle, United States

Ranked by team size
Top 25 of 91 clinical operations consulting companies based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to clinical operations consulting 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
1Partial evidenceSeattle, WA, United StatesHQ checked Sep 16, 202651-20094 contacts →

Partial evidence

“In 1997, a small team of experts set out to build a more efficient and flexible model for clinical research, directing more resources to science and patients.”

Source: RevenueBase Database · checked Sep 16, 2026
2Indirect evidenceSeattle, WA, United StatesHQ checked Sep 16, 202651-20015 contacts →

Indirect evidence

“With over 35 years of experience, Axio is a premier provider of biostatistics services to pharmaceutical and biotechnology companies.”

Source: RevenueBase Database · checked Sep 16, 2026
3Partial evidenceSeattle, WA, United StatesHQ checked Sep 16, 202611-5012 contacts →

Partial evidence

“Nor Consult, LLC stands at the forefront of biometric consulting, delivering expert guidance and innovative solutions to the life sciences sector.”

Source: RevenueBase Database · checked Sep 16, 2026
4Strong evidenceSeattle, WA, United StatesHQ checked Sep 16, 202611-5010 contacts →

Strong 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 16, 2026
5Partial evidenceSeattle, United StatesHQ checked Sep 16, 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 16, 2026
6Indirect evidenceSeattle, WA, United StatesHQ checked Sep 16, 202611-508 contacts →

Indirect evidence

“The Cascadia Drug Development Group was founded by seasoned industry experts who are passionate about immunology and drug development.”

Source: RevenueBase Database · checked Sep 16, 2026
7Indirect evidenceSeattle, WA, United StatesHQ checked Sep 16, 202611-508 contacts →

Indirect evidence

“We are healthcare consultants with a shared vision of innovative technology advancing patient care.”

Source: RevenueBase Database · checked Sep 16, 2026
8Partial evidenceSeattle, United StatesHQ checked Sep 16, 202611-507 contacts →

Partial evidence

“StratusG Consulting is a business and technology consulting firm with over 22 years of experience working with clients in the life science industry.”

Source: RevenueBase Database · checked Sep 16, 2026
9Partial evidenceSeattle, WA, United StatesHQ checked Sep 16, 20261-107 contacts →

Partial evidence

“MMS specializes in providing comprehensive medical oversight throughout the clinical development process, with a strong focus on oncology.”

Source: RevenueBase Database · checked Sep 16, 2026
10Strong evidenceSeattle, WA, United StatesHQ checked Sep 16, 20261-107 contacts →

Strong evidence

“Expertise-Based Clinical Research Services - Consulting - Business - Trials - Biospecimens Global BioClinical (GBC) provides consulting services for organizations in the life…”

Source: RevenueBase Database · checked Sep 16, 2026
11Indirect evidenceSeattle, WA, United StatesHQ checked Sep 16, 202651-2006 contacts →

Indirect evidence

“From day one, elariaà has strived to serve its clients with honesty and integrity while providing them with the best technology solutions for their business needs.”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceSeattle, WA, United StatesHQ checked Sep 16, 20261-104 contacts →

Indirect evidence

“Clients call on Spannerwerks in situations when experience, expertise, and execution matter: when filing an IND, starting-up a study, or commercializing a new product.”

Source: RevenueBase Database · checked Sep 16, 2026
13Indirect evidenceSeattle, WA, United StatesHQ checked Sep 16, 20261-104 contacts →

Indirect evidence

“People first.”

Source: RevenueBase Database · checked Sep 16, 2026
14Partial evidenceSeattle, United StatesHQ checked Sep 16, 20261-104 contacts →

Partial evidence

“LeftCoast Healthcare Advisors, an ambulatory healthcare consulting and advisory firm with experienced leaders who possess the knowledge and expertise to help your organization…”

Source: RevenueBase Database · checked Sep 16, 2026
15Partial evidenceSeattle, WA, United StatesHQ checked Sep 16, 202611-504 contacts →

Partial evidence

“Consilium Group, in combination with its sister firm LMC Consulting, is a premier Pacific Northwest based management consulting firm offering the experience of a global consulting…”

Source: RevenueBase Database · checked Sep 16, 2026
16Indirect evidenceSeattle, WA, United StatesHQ checked Sep 16, 202611-504 contacts →

Indirect evidence

“BioEthica LLC is a global consultancy specializing in quality, compliance, regulatory affairs, and focused safety arenas within the pharmaceutical, biotechnology, biologics, and…”

Source: RevenueBase Database · checked Sep 16, 2026
17Indirect evidenceSeattle, WA, United StatesHQ checked Sep 16, 20261-103 contacts →

Indirect evidence

“Proponent is an advising company founded upon the core principle of working to better human lives.”

Source: RevenueBase Database · checked Sep 16, 2026
18Partial evidenceSeattle, WA, United StatesHQ checked Sep 16, 20261-103 contacts →

Partial evidence

“LaPlant Consulting Group (LCG) is a premier consulting firm that provides consulting services primarily to the healthcare industry.”

Source: RevenueBase Database · checked Sep 16, 2026
19Strong evidenceSeattle, United StatesHQ checked Sep 16, 20261-103 contacts →

Strong evidence

“Martech Consulting Group provides business consulting services rooted in decades of expertise in both leadership and execution for marketing, operations, sales and account…”

Source: RevenueBase Database · checked Sep 16, 2026
20Indirect evidenceSeattle, WA, United StatesHQ checked Sep 16, 20261-102 contacts →

Indirect evidence

“Justice Healthcare Innovations is a small consultation firm specializing in Cerner software ecosystems.”

Source: RevenueBase Database · checked Sep 16, 2026
21Partial evidenceSeattle, WA, United StatesHQ checked Sep 16, 202611-502 contacts →

Partial evidence

“Kenyon Homecare Consulting was established in 1998 by Ginny Kenyon.”

Source: RevenueBase Database · checked Sep 16, 2026
22Partial evidenceSeattle, WA, United StatesHQ checked Sep 16, 20261-102 contacts →

Partial evidence

“Ben Marcus Consulting is a private firm based in Seattle, WA providing services throughout the U.S.”

Source: RevenueBase Database · checked Sep 16, 2026
23Indirect evidenceSeattle, WA, United StatesHQ checked Sep 16, 20261-102 contacts →

Indirect evidence

“Our mission is to empower our employees and organization to continuously improve and innovate to meet our clients’ needs.”

Source: RevenueBase Database · checked Sep 16, 2026
24Indirect evidenceSeattle, United StatesHQ checked Sep 16, 20261-102 contacts →

Indirect evidence

“Simply put, we have the right people with the right expertise and a single vision – your success.”

Source: RevenueBase Database · checked Sep 16, 2026
25Partial evidenceSeattle, WA, United StatesHQ checked Sep 16, 2026201-5001 contacts →

Partial evidence

“We deliver alignment across Strategy, Technology (AI and Automation), Operational Excellence, Scaling with global and automation support, and Leadership Cultivation.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 91 clinical operations consulting companies based in Seattle, United States

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Clinical operations consulting companies based in Seattle, United States at a glance

As of Sep 16, 2026
35.7%Verified-email coverage
4.1Average contacts per company
1-10Median size (employees)
346.2%Largest-city concentration · New York
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
67
11-50
17
51-200
5
201-500
1
5,001-10,000
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 91 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 clinical operations consulting 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 Seattle, United States whose own description of what they do matches “clinical operations consulting 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 clinical operations consulting 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 clinical operations consulting companies, 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, 134 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 16, 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.

Clinical operations consulting companies 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 clinical operations consulting 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 clinical operations consulting companies are there based in Seattle, United States?

RevenueBase identified 91 clinical operations consulting companies 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?

Cancer Research And Biostatistics Crab, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most clinical operations consulting companies?

New York leads with 315 headquartered companies, followed by Atlanta (221) and Chicago (220).

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 134 verified decision-maker contacts tracked across these 91 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 16, 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.