Company lists · Data refreshed September 2026

Top 14 Regulatory compliance consulting firms based in Seattle, United States

RevenueBase identified 26 regulatory compliance consulting firms headquartered in Seattle, United States as of September 2026 and tracks 105 professional contacts across them, including 57 with verified work emails. New York is the largest hub.

This list covers regulatory compliance 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
26Companies
105Contacts tracked
57Verified emails
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The 14 largest regulatory compliance consulting firms based in Seattle, United States

Ranked by team size
Top 14 of 26 regulatory compliance consulting firms based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names regulatory compliance consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Advantage PartnersPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 2026n/a33

“Advantage Partners is a security & compliance organization dedicated to helping emerging technology companies navigate the complexities of security and compliance.”

Source: company website · checked Sep 5, 2026
2
Endelman & Associates PllcIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-108
Source: company website · checked Sep 5, 2026
3Seattle, WA, United StatesHQ checked Sep 5, 20261-107

“Vivid Technical Consulting makes cybersecurity compliance achievable for every contractor in the defense industrial base.”

Source: company website · checked Sep 5, 2026
4
SignifyPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-107

“Signify is the #1 Compliance Management System for Manufacturing.”

Source: company website · checked Sep 5, 2026
5Seattle, WA, United StatesHQ checked Sep 5, 20261-106

“Based in Seattle, we provide risk management consulting services for clients across the world.”

Source: company website · checked Sep 5, 2026
6
Precedent PartnersStrong evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-105

“Precedent Consulting provides compliance, operations, and leadership development consulting services for broker-dealers, investment advisors, and private funds.”

Source: company website · checked Sep 5, 2026
7
Bioethica, LLCStrong evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-504

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

Source: company website · checked Sep 5, 2026
8
IworkwisePartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-503

“iWorkWise is a safety, health and environmental consulting company.”

Source: company website · checked Sep 5, 2026
9
Positroniq, LLCPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-103

“At Positroniq, we help to protect organizations through assessment and advisory services designed to improve security, risk, and compliance programs and processes.”

Source: company website · checked Sep 5, 2026
10Seattle, WA, United StatesHQ checked Sep 5, 20261-103

“Guardian Performance Solutions LLC is a specialty compliance consulting firm dedicated to providing customized solutions to the investment management industry with the objective…”

Source: company website · checked Sep 5, 2026
11
BEA EnvironmentalIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-102
Source: company website · checked Sep 5, 2026
12
Steel Rail SecurityPartial evidence
Seattle, United StatesHQ checked Sep 5, 20261-102

“WHAT WE DO: We help IT hardware & software companies win DoD contracts by providing expert compliance and documentation services that meet federal standards and build trust with…”

Source: company website · checked Sep 5, 2026
13
G7 ConsultingIndirect evidence
Seattle, United StatesHQ checked Sep 5, 20261-102

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

Source: company website · checked Sep 5, 2026
14
NCA Compliance, INCIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-101
Source: company website · checked Sep 5, 2026

Showing 14 of 26 regulatory compliance consulting firms based in Seattle, United States

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Regulatory compliance consulting firms based in Seattle, United States at a glance

As of Sep 5, 2026
1-10Median size (employees)
New YorkLargest hub · 137 HQs
Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
24
11-50
2

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 26 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 regulatory compliance consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “regulatory compliance consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among regulatory compliance 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 an evidence 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, 57 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 5, 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.

Frequently asked

How many regulatory compliance consulting firms are there based in Seattle, United States?

RevenueBase identified 26 regulatory compliance 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?

Advantage Partners, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most regulatory compliance consulting firms?

New York leads with 137 headquartered companies, followed by Houston (70) and Washington (64).

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 57 verified decision-maker contacts tracked across these 26 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 5, 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.