Company lists · Data refreshed September 2026
Top 25 Mergers and acquisitions law firms based in Seattle, United States
RevenueBase identified 38 mergers and acquisitions law firms headquartered in Seattle, United States as of September 2026 and tracks 702 professional contacts across them, including 259 with verified work emails. New York is the largest hub.
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, 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.
The 25 largest mergers and acquisitions law firms based in Seattle, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | Ogden Murphy WallaceIndirect evidence | 120 | |||
“Ogden Murphy Wallace, P.L.L.C.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 99 | ||||
“As of October 1, 2019, Foster Pepper merged with Garvey Schubert Barer to form Foster Garvey PC.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | CLA Meridian CapitalIndirect evidence | 44 | |||
“With 30+ years of middle-market M&A and financial advisory experience,$22 billion in total transaction value, and deep industry knowledge across the Consumer, Industrials, and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | Harris Sliwoski LLPPartial evidence | 27 | |||
“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 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | Graham & DunnIndirect evidence | 27 | |||
“On January 1, 2015, we combined with Miller Nash to become Miller Nash LLP.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | Zachary ScottIndirect evidence | 19 | |||
“Zachary Scott was founded in 1991 with a simple goal – be a trustworthy partner and advisor for privately-held business owners and managers to help them build their businesses…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | Lakeside PartnersStrong evidence | 17 | |||
“Lakeside Partners serves as a trusted advisor, providing mergers & acquisitions advisory services to our clients.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 16 | ||||
“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: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 15 | ||||
“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 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 10 | ||||
“Our clients are focused on building, growing, and running their businesses.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | DBS LAWIndirect evidence | 9 | |||
“Our clients range from solo entrepreneurs to family businesses, franchises, and even multi-national corporations.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 8 | ||||
“We’ve seen how most law firms operate.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | Martin Davis, PllcPartial evidence | 8 | |||
“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 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | Fikso Kretschmer Smith Dixon Ormseth P.SIndirect evidence | 6 | |||
“Our clients seek a practical and straightforward approach to their transactions and legal problems.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | Tullius PartnersIndirect evidence | 6 | |||
“Our primary objective at Tullius Partners is to create, enhance and maximize the value of our clients’ businesses.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 | ||||
“Christie Law Group PLLC merged with Baker Sterchi Cowden & Rice LLC effective September 1, 2024.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 | ||||
“Carpenter Wellington (CW) is a business-focused law firm with offices in Seattle, Portland, and Austin.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | Liberty Ridge AdvisorsIndirect evidence | 3 | |||
“Nestled amidst the majestic peaks of Mt.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 | ||||
“For the last three decades, Exvere has been advising leading Northwest businesses in liquidity, exit, or growth initiatives.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | Light Legal PllcIndirect evidence | 3 | |||
“Light Legal PLLC provides light-weight, light-speed, top-quality legal services to businesses.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | Kalalau CapitalIndirect evidence | 3 | |||
“Kalalau Capital is an M&A expert supporting business owners and their M&A advisors and investors throughout the entire M&A journey.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | Opsera LAW PllcPartial evidence | 2 | |||
“Opsera Law is a boutique law firm providing tailored legal solutions to individuals and businesses.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | Legate Business FormationIndirect evidence | 2 | |||
“Welcome to Legate LLP, your trusted partner in business formation and restructuring.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | Roupp Acquisitions INCStrong evidence | 1 | |||
“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: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | LayrootsIndirect evidence | 1 | |||
“Lawyer-Humans® treat clients like people, not case files.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 38 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 5, 2026Companies by employee count
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 38 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 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 “mergers and acquisitions 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 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 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, 259 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.
Mergers and acquisitions law firms by metro in the United States
- Mergers and acquisitions law firms in New York325
- Mergers and acquisitions law firms in Chicago126
- Mergers and acquisitions law firms in Los Angeles112
- Mergers and acquisitions law firms in Houston103
- Mergers and acquisitions law firms in Atlanta97
- Mergers and acquisitions law firms in Dallas87
- Mergers and acquisitions law firms in Washington76
- Mergers and acquisitions law firms in Miami71
- Mergers and acquisitions law firms in Boston60
- Mergers and acquisitions law firms in San Francisco60
- Mergers and acquisitions law firms in Denver53
- Mergers and acquisitions law firms in Austin52
- Mergers and acquisitions law firms in San Diego49
- Mergers and acquisitions law firms in Charlotte42
- Mergers and acquisitions law firms in Irvine39
- Mergers and acquisitions law firms in Philadelphia39
- Mergers and acquisitions law firms in Seattle38
- Mergers and acquisitions law firms in Minneapolis34
- Mergers and acquisitions law firms in Tampa33
Frequently asked
How many mergers and acquisitions law firms are there based in Seattle, United States?
RevenueBase identified 38 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?
Ogden Murphy Wallace, headquartered in Seattle, tops this list with the largest team on record.
Which city has the most mergers and acquisitions law firms?
New York leads with 325 headquartered companies, followed by Chicago (126) and Los Angeles (112).
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 259 verified decision-maker contacts tracked across these 38 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.
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