Company lists · Data refreshed September 2026

Top 25 Securities law firms based in Seattle, United States

RevenueBase identified 48 securities law firms headquartered in Seattle, United States as of September 2026 and tracks 3,963 professional contacts across them, including 2,854 with verified work emails. New York is the largest hub.

This list covers securities law 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 6, 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 6, 2026 86% judged on-target in blind review
48Companies
3,963Contacts tracked
2,854Verified emails
Explore all 48 companies → Free signup · no credit card · 500 free credits

The 25 largest securities law firms based in Seattle, United States

Ranked by team size
Top 25 of 48 securities law firms based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. Evidence rates how directly each company's own description names securities law 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
Perkins CoieIndirect evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261,001-5,0002,746

“Perkins Coie has combined with Ashurst to form Ashurst Perkins Coie.”

Source: company website · checked Sep 6, 2026
2
Foster Garvey PCPartial evidence
Seattle, WA, United StatesHQ checked Sep 6, 2026201-500253

“Foster Garvey PC is a full-service law firm serving several of the most influential and innovative companies and governments in the country.”

Source: company website · checked Sep 6, 2026
3
Stokes Lawrence, P.SIndirect evidence
Seattle, WA, United StatesHQ checked Sep 6, 202651-200132

“With offices in Seattle and Yakima, Washington, Stokes Lawrence represents businesses ranging from small, closely held entities to larger corporations, and the families and…”

Source: company website · checked Sep 6, 2026
4Seattle, WA, United StatesHQ checked Sep 6, 202651-200130

“Hagens Berman Sobol Shapiro LLP is an internationally recognized law firm headquartered in Seattle, Washington.”

Source: company website · checked Sep 6, 2026
5
Cairncross & HempelmannPartial evidence
Seattle, WA, United StatesHQ checked Sep 6, 202651-20085

“Cairncross & Hempelmann (“CH & ”) is a full-service law firm in Seattle, Washington.”

Source: company website · checked Sep 6, 2026
6
Betts Patterson MinesPartial evidence
Seattle, WA, United StatesHQ checked Sep 6, 202611-5043

“The law firm of Betts Patterson Mines traces its origins to a firm that was founded in 1899.”

Source: company website · checked Sep 6, 2026
7Seattle, WA, United StatesHQ checked Sep 6, 202651-20029

“With deep roots in the Pacific Northwest and Alaska, Oles Morrison has built a legal practice with a focus on construction, government contracts, commercial litigation and real…”

Source: company website · checked Sep 6, 2026
8
Harris Sliwoski LLPPartial evidence
Seattle, WA, United StatesHQ checked Sep 6, 202611-5027

“When expanding globally, businesses need a law firm that understands both local intricacies and worldwide opportunities.**Harris Sliwoski** delivers cross-border legal services…”

Source: company website · checked Sep 6, 2026
9Seattle, WA, United StatesHQ checked Sep 6, 202611-5022

“For more than 65 years, Reed Longyear has served clients from all walks of life with reasonable rates, integrity and accessibility.”

Source: company website · checked Sep 6, 2026
10Seattle, WA, United StatesHQ checked Sep 6, 202611-5017

“Don’t let others take away what you have labored long and hard for.”

Source: company website · checked Sep 6, 2026
11
The Apex LAW Group PllcPartial evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-1015

“The Apex Law Group is a business and corporate law firm that represents businesses across the spectrum from for-profit to non-profit to hybrid entities like social purpose…”

Source: company website · checked Sep 6, 2026
12
Arete LAW Group PllcIndirect evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-1010

“Our clients are focused on building, growing, and running their businesses.”

Source: company website · checked Sep 6, 2026
13
DBS LAWIndirect evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-109

“Our clients range from solo entrepreneurs to family businesses, franchises, and even multi-national corporations.”

Source: company website · checked Sep 6, 2026
14
HAN Santos, PllcPartial evidence
Seattle, WA, United StatesHQ checked Sep 6, 202611-509

“Han Santos, PLLC is a boutique law firm that serves clients in matters related to intellectual property and business transactions.”

Source: company website · checked Sep 6, 2026
15
Hughes Media LAW GroupPartial evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-108

“We’ve seen how most law firms operate.”

Source: company website · checked Sep 6, 2026
16
Martin Davis, PllcStrong evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-108

“Martin Davis, PLLC is a boutique law firm with extensive experience in complex securities, corporate governance and restructuring, and transactional work.”

Source: company website · checked Sep 6, 2026
17
Holmquist Gardiner, PllcPartial evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-108

“Holmquist & Gardiner PLLC is a law firm focused on providing effective legal counsel in a timely and cost efficient manner.”

Source: company website · checked Sep 6, 2026
18Seattle, WA, United StatesHQ checked Sep 6, 202611-506

“Our clients seek a practical and straightforward approach to their transactions and legal problems.”

Source: company website · checked Sep 6, 2026
19
Cook & Bartlett, PllcIndirect evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-106

“Located in Seattle's Fishermen's Terminal, in the north end of the Magnolia neighborhood, our firm represents both individuals as well as small & medium-sized businesses with an…”

Source: company website · checked Sep 6, 2026
20Seattle, WA, United StatesHQ checked Sep 6, 20261-105

“Fifth Avenue Law Group PLLC (“FALG”), is a law firm located in Seattle, Washington.”

Source: company website · checked Sep 6, 2026
21
TangolawIndirect evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-104

“We are a boutique legal practice serving angel and VC-backed emerging growth companies and investors in Silicon Valley, Seattle, and elsewhere on a diverse range of legal matters…”

Source: company website · checked Sep 6, 2026
22
Costello LAW Firm, PllcPartial evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-104

“Costello Law Firm attorneys represent corporations, business owners, and professionals under investigation by, or under suit or the threat of suit by the government.”

Source: company website · checked Sep 6, 2026
23
Corr Downs PllcPartial evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-103

“At Corr Downs, we offer a platform that provides our clients with access to the talent and expertise that is typically found in only the largest of law firms, but with the value…”

Source: company website · checked Sep 6, 2026
24
Legate Business FormationIndirect evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-102

“Welcome to Legate LLP, your trusted partner in business formation and restructuring.”

Source: company website · checked Sep 6, 2026
25
LayrootsIndirect evidence
Seattle, WA, United StatesHQ checked Sep 6, 20261-101

“Lawyer-Humans® treat clients like people, not case files.”

Source: company website · checked Sep 6, 2026

Showing 25 of 48 securities law firms based in Seattle, United States

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Securities law firms based in Seattle, United States at a glance

As of Sep 6, 2026
1-10Median size (employees)
New YorkLargest hub · 461 HQs
Contacts with mobile numbers
Sep 6, 2026Data refreshed

Companies by employee count

1-10
27
11-50
11
51-200
7
201-500
2
1,001-5,000
1

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 48 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 securities law 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 “securities law 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 securities law 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, 2,854 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 6, 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.

Securities law firms by metro in the United States

Frequently asked

How many securities law firms are there based in Seattle, United States?

RevenueBase identified 48 securities law 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?

Perkins Coie, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most securities law firms?

New York leads with 461 headquartered companies, followed by Chicago (186) and Los Angeles (152).

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 2,854 verified decision-maker contacts tracked across these 48 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 6, 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.