Company lists · Data refreshed September 2026
Top 24 Merger acquisition law firms based in Seattle, United States
RevenueBase identified 34 merger acquisition law firms headquartered in Seattle, United States as of September 2026 and tracks 921 professional contacts across them, including 297 with verified work emails. Across the United States, New York is the largest hub for this category (186 companies); Seattle has 34.
This list covers merger acquisition 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 28, 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.
The 24 largest merger acquisition law firms based in Seattle, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 242 contacts → | ||||
Indirect evidence “Effective January 1, 2025, Lane Powell has combined with Ballard Spahr to form a nationally recognized firm of more than 750 lawyers across 18 U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 238 contacts → | ||||
Partial evidence “Foster Garvey PC was established through the combination of two storied Pacific Northwest-based law firms, Foster Pepper PLLC and Garvey Schubert Barer, PC, in 2019.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 120 contacts → | ||||
Indirect evidence “Ogden Murphy Wallace, P.L.L.C.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 27 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 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 27 contacts → | ||||
Indirect evidence “On January 1, 2015, we combined with Miller Nash to become Miller Nash LLP.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 17 contacts → | ||||
Strong evidence “Lakeside Partners serves as a trusted advisor, providing mergers & acquisitions advisory services to our clients.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 15 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 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 10 contacts → | ||||
Indirect evidence “Our clients are focused on building, growing, and running their businesses.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 9 contacts → | ||||
Indirect evidence “Our clients range from solo entrepreneurs to family businesses, franchises, and even multi-national corporations.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 8 contacts → | ||||
Partial evidence “We’ve seen how most law firms operate.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 8 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 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 6 contacts → | ||||
Indirect evidence “Our clients seek a practical and straightforward approach to their transactions and legal problems.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Indirect evidence “At Banyan Legal Counsel, our philosophy begins with our name.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Strong evidence “Christie Law Group PLLC merged with Baker Sterchi Cowden & Rice LLC effective September 1, 2024.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 contacts → | ||||
Indirect evidence “Cloudbreak Legal provides right-sized legal services to inspiring brands powered by good people.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Partial evidence “Carpenter Wellington (CW) is a business-focused law firm with offices in Seattle, Portland, and Austin.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 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 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Indirect evidence “Light Legal PLLC provides light-weight, light-speed, top-quality legal services to businesses.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Partial evidence “Opsera Law is a boutique law firm providing tailored legal solutions to individuals and businesses.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Indirect evidence “Welcome to Legate LLP, your trusted partner in business formation and restructuring.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Strong evidence “InVigor Law Group PLLC merged with Immix Law Group PC in 2019.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Partial evidence “MADE Law is often engaged to handle a specific, discreet legal matter such as an employment claim or other legal dispute, an investigation, or a real estate transaction, and these…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: merger acquisition law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names merger acquisition law firms.
- Partial evidence
- Its own public description names part of merger acquisition law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name merger acquisition law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 24 of 34 merger acquisition law firms based in Seattle, United States
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Merger acquisition law firms based in Seattle, United States at a glance
As of Sep 28, 2026Companies by employee count
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 34 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 merger acquisition 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 “merger acquisition 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 merger acquisition 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 merger acquisition 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, 297 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 28, 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.
Merger acquisition law firms by metro in the United States
- Merger acquisition law firms in New York186
- Merger acquisition law firms in Chicago81
- Merger acquisition law firms in Houston77
- Merger acquisition law firms in Los Angeles76
- Merger acquisition law firms in Washington60
- Merger acquisition law firms in Dallas58
- Merger acquisition law firms in Miami51
- Merger acquisition law firms in San Francisco50
- Merger acquisition law firms in Atlanta49
- Merger acquisition law firms in Boston39
- Merger acquisition law firms in San Diego37
- Merger acquisition law firms in Denver36
- Merger acquisition law firms in Austin33
- Merger acquisition law firms in Irvine30
- Merger acquisition law firms in Philadelphia30
- Merger acquisition law firms in Minneapolis26
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 merger acquisition 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 merger acquisition law firms are there based in Seattle, United States?
RevenueBase identified 34 merger acquisition 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?
Lane Powell PC, headquartered in Seattle, tops this list with the largest team on record.
Which city in the United States has the most merger acquisition law firms?
New York leads the United States with 186 headquartered companies, followed by Chicago (81) and Houston (77). Seattle has 34.
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 297 verified decision-maker contacts tracked across these 34 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 28, 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.
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