Company lists · Data refreshed September 2026

Top 25 Tax law firms based in Seattle, United States

RevenueBase identified 74 tax law firms headquartered in Seattle, United States as of September 2026 and tracks 793 professional contacts across them, including 433 with verified work emails. New York is the largest hub.

This list covers tax 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, its RevenueBase Smart Search rating, 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 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 6, 2026 86% judged on-target in blind review
74Companies
793Contacts tracked
433Verified emails
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The 25 largest tax law firms based in Seattle, United States

Ranked by team size
Top 25 of 74 tax law firms based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to tax law 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 6, 202651-200132 contacts →

“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
2Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202651-200120 contacts →

“Ogden Murphy Wallace, P.L.L.C.”

Source: company website · checked Sep 6, 2026
3Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 2026201-50099 contacts →

“As of October 1, 2019, Foster Pepper merged with Garvey Schubert Barer to form Foster Garvey PC.”

Source: company website · checked Sep 6, 2026
4Partial evidenceSeattle, United StatesHQ checked Sep 6, 202651-20061 contacts →

“Lasher Holzapfel Sperry & Ebberson is a full-service law firm dedicated to taking excellent care of the individuals, families, and businesses that turn to us for guidance.”

Source: company website · checked Sep 6, 2026
5Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 202611-5043 contacts →

“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
6Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202611-5024 contacts →

“In 1977 one attorney wanted to break from the pack and create a firm focused on a new concept of service-a firm built on listening so intently to the needs of businesses and…”

Source: company website · checked Sep 6, 2026
7Strong evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-1019 contacts →

“Estate planning, tax law, trust law, general business matters”

Source: company website · checked Sep 6, 2026
8Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 202611-5017 contacts →

“Welcome to Socius Law Group."Socius" is the Latin word for "ally" and "partner." We align our goals with our clients’ goals, we measure our success by their success.”

Source: company website · checked Sep 6, 2026
9Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-1015 contacts →

“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
10Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-1012 contacts →

“We are a boutique law firm that combines the very best attributes of big firm experience and small firm attention.”

Source: company website · checked Sep 6, 2026
11Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-1011 contacts →

“We deliver the best quality Taxation services which includes both Individual and Corporate filings.”

Source: company website · checked Sep 6, 2026
12Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-1010 contacts →

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

Source: company website · checked Sep 6, 2026
13Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 202611-5010 contacts →

“King & Oliason is a Seattle tax accounting firm specializing in tax consulting and tax return preparation for high net worth individuals, their families, non-profit organizations…”

Source: company website · checked Sep 6, 2026
14Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202611-509 contacts →

“With today’s technological advances and evolving industries, Chung, Malhas & Mantel, PLLC has been approached with the magnificent opportunity of representing not only American…”

Source: company website · checked Sep 6, 2026
15Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-108 contacts →

“TAXPAYER ADVOCATES + LITIGATORS For nearly 35 years Colvin + Hallett has been dedicated to helping clients resolve tax disputes.”

Source: company website · checked Sep 6, 2026
16Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 202611-507 contacts →

“Minar Northey, CPA’s is a company based out of 100 W HARRISON ST, Seattle, Washington, United States.”

Source: company website · checked Sep 6, 2026
17Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-107 contacts →

“Amicus Law Group is deeply committed to providing legal counsel that is professional, practical, effective and affordable.”

Source: company website · checked Sep 6, 2026
18Indirect evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-106 contacts →

“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
19Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-106 contacts →

“Taxman Associates are experts in solving complex tax problems and navigating difficult IRS issues.”

Source: company website · checked Sep 6, 2026
20Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-105 contacts →

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

Source: company website · checked Sep 6, 2026
21Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-104 contacts →

“You didn't build real revenue or land income that puts you in a different tax bracket just to hand a third of it over without seeking a better strategy.”

Source: company website · checked Sep 6, 2026
22Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-104 contacts →

Tax and Wealth Advisory Formed in 2002 to continue the Pacific Northwest Private Client Services practice at Andersen, RAUPC helps individuals and families maximize their wealth…”

Source: company website · checked Sep 6, 2026
23Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-103 contacts →

“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
24Partial evidenceSeattle, WA, United StatesHQ checked Sep 6, 20261-103 contacts →

“Weissgarber CPA is a renowned virtual accounting firm specializing in tax services for individuals and small businesses.”

Source: company website · checked Sep 6, 2026
25Partial evidenceSeattle, United StatesHQ checked Sep 6, 202611-503 contacts →

“Oakwood Summit is a strategic advisory firm specializing in advanced tax, retirement, and business planning for high-earning professionals and business owners.”

Source: company website · checked Sep 6, 2026

Showing 25 of 74 tax law firms based in Seattle, United States

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

As of Sep 6, 2026
54.6%Verified-email coverage
10.7Average contacts per company
1-10Median size (employees)
670.3%Largest-city concentration · New York
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
53
11-50
15
51-200
5
201-500
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 74 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 tax law 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 “tax law 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 tax law 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 tax 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 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, 433 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.

Tax law 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 tax law 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 tax law firms are there based in Seattle, United States?

RevenueBase identified 74 tax 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?

Stokes Lawrence, P.S, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most tax law firms?

New York leads with 496 headquartered companies, followed by Houston (274) and Chicago (259).

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 433 verified decision-maker contacts tracked across these 74 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 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.