Company lists · Data refreshed September 2026

Top 24 Mergers and acquisitions law firms based in Seattle, United States

RevenueBase identified 36 mergers and acquisitions law firms headquartered in Seattle, United States as of September 2026 and tracks 724 professional contacts across them, including 424 with verified work emails. Across the United States, New York is the largest hub for this category (244 companies); Seattle has 36.

This list covers mergers and acquisitions 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 14, 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 14, 2026 86% judged on-target in blind review
36Companies
724Contacts tracked
424Verified emails
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The 24 largest mergers and acquisitions law firms based in Seattle, United States

Ranked by team size
Top 24 of 36 mergers and acquisitions law firms based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to mergers and acquisitions 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
1Partial evidenceSeattle, WA, United StatesHQ checked Sep 14, 2026201-500253 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
2Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 202651-200120 contacts →

Indirect evidence

“Ogden Murphy Wallace, P.L.L.C.”

Source: RevenueBase Database · checked Sep 14, 2026
3Partial evidenceSeattle, WA, United StatesHQ checked Sep 14, 202611-5027 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
4Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 202651-20027 contacts →

Indirect evidence

“On January 1, 2015, we combined with Miller Nash to become Miller Nash LLP.”

Source: RevenueBase Database · checked Sep 14, 2026
5Strong evidenceSeattle, WA, United StatesHQ checked Sep 14, 202611-5017 contacts →

Strong evidence

“Lakeside Partners serves as a trusted advisor, providing mergers & acquisitions advisory services to our clients.”

Source: RevenueBase Database · checked Sep 14, 2026
6Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 202611-5016 contacts →

Indirect evidence

“Led by a team of former business operators and executives who have built and sold companies, Alexander Hutton is an independent, middle market M&A advisory firm that has completed…”

Source: RevenueBase Database · checked Sep 14, 2026
7Partial evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-1015 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 14, 2026
8Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-1010 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
9Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-109 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
10Partial evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-108 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
11Partial evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-108 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
12Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 202611-506 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
13Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-106 contacts →

Indirect evidence

“Our primary objective at Tullius Partners is to create, enhance and maximize the value of our clients’ businesses.”

Source: RevenueBase Database · checked Sep 14, 2026
14Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-105 contacts →

Indirect evidence

“At Banyan Legal Counsel, our philosophy begins with our name.”

Source: RevenueBase Database · checked Sep 14, 2026
15Strong evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-104 contacts →

Strong evidence

“Christie Law Group PLLC merged with Baker Sterchi Cowden & Rice LLC effective September 1, 2024.”

Source: RevenueBase Database · checked Sep 14, 2026
16Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-103 contacts →

Indirect evidence

“Cloudbreak Legal provides right-sized legal services to inspiring brands powered by good people.”

Source: RevenueBase Database · checked Sep 14, 2026
17Partial evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-103 contacts →

Partial evidence

“Carpenter Wellington (CW) is a business-focused law firm with offices in Seattle, Portland, and Austin.”

Source: RevenueBase Database · checked Sep 14, 2026
18Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-103 contacts →

Indirect evidence

“For the last three decades, Exvere has been advising leading Northwest businesses in liquidity, exit, or growth initiatives.”

Source: RevenueBase Database · checked Sep 14, 2026
19Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-103 contacts →

Indirect evidence

“Kalalau Capital is an M&A expert supporting business owners and their M&A advisors and investors throughout the entire M&A journey.”

Source: RevenueBase Database · checked Sep 14, 2026
20Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-103 contacts →

Indirect evidence

“Light Legal PLLC provides light-weight, light-speed, top-quality legal services to businesses.”

Source: RevenueBase Database · checked Sep 14, 2026
21Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-102 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
22Strong evidenceSeattle, WA, United StatesHQ checked Sep 14, 202651-2001 contacts →

Strong evidence

“Roupp Acquisitions Inc is a boutique Mergers & Acquisitions firm assisting sellers and buyers of small to mid-sized privately held companies with internal and external buy/sell…”

Source: RevenueBase Database · checked Sep 14, 2026
23Strong evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-101 contacts →

Strong evidence

“InVigor Law Group PLLC merged with Immix Law Group PC in 2019.”

Source: RevenueBase Database · checked Sep 14, 2026
24Indirect evidenceSeattle, WA, United StatesHQ checked Sep 14, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 14, 2026

Showing 24 of 36 mergers and acquisitions law firms based in Seattle, United States

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Mergers and acquisitions law firms based in Seattle, United States at a glance

As of Sep 14, 2026
58.6%Verified-email coverage
20.1Average contacts per company
1-10Median size (employees)
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
8
51-200
5
201-500
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 36 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 mergers and acquisitions 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 “mergers and acquisitions 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 mergers and acquisitions 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 mergers and acquisitions 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, 424 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 14, 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

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 mergers and acquisitions 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 mergers and acquisitions law firms are there based in Seattle, United States?

RevenueBase identified 36 mergers and acquisitions 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?

Foster Garvey PC, headquartered in Seattle, tops this list with the largest team on record.

Which city in the United States has the most mergers and acquisitions law firms?

New York leads the United States with 244 headquartered companies, followed by Chicago (111) and Los Angeles (101). Seattle has 36.

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 424 verified decision-maker contacts tracked across these 36 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 14, 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.