Company lists · Data refreshed September 2026

Top 25 International law firms based in Portland, United States

Name: International law firms based in Portland, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 39 companies tracked

RevenueBase identified 39 international law firms headquartered in Portland, United States as of September 2026 and tracks 713 professional contacts across them, including 475 with verified work emails. New York is the largest hub.

This list covers international law firms headquartered in Portland, 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 4, 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 4, 2026 86% judged on-target in blind review

39Companies

713Contacts tracked

475Verified emails

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The 25 largest international law firms based in Portland, United States

Ranked by team size

Top 25 of 39 international law firms based in Portland, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names international 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.
#	Company	Headquarters	Employees	Contacts
1	Tonkon Torp LLPStrong evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	51-200	197
	“A leading Pacific Northwest law firm, Tonkon Torp provides legal counsel, business advice and litigation services to regional, national and international clients.” Source: company website · checked Sep 4, 2026
2	Sussman Shank LLPPartial evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	51-200	74
	“A Business Law Firm for Modern Times.” Source: company website · checked Sep 4, 2026
3	Samuels Yoelin Kantor LLPPartial evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	11-50	50
	“With roots dating back to 1927, Samuels Yoelin Kantor LLP ranks as one of Oregon’s oldest law firms.” Source: company website · checked Sep 4, 2026
4	Chock BarhoumIndirect evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	11-50	36
	“Chock Barhoum LLP is one of the preeminent litigation firms in the Northwest.” Source: company website · checked Sep 4, 2026
5	Perkins ThompsonPartial evidence	Portland, ME, United StatesHQ checked Sep 4, 2026	11-50	30
	“Perkins Thompson is a client-centric, Maine-based law firm that works with businesses, institutions, and individuals to realize their goals.” Source: company website · checked Sep 4, 2026
6	Cable HustonIndirect evidence	Portland, United StatesHQ checked Sep 4, 2026	11-50	28
	“Over 30 years ago, the earliest iteration of Cable Huston (pronounced, “Cable Houston”) was formed with the express purpose of providing clients superior legal guidance without…” Source: company website · checked Sep 4, 2026
7	JJH LAW Firm Pearl DistrictPartial evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	1-10	26
	“Founded in 2010, JJH Law offers cutting-edge, smart and creative solutions for its clientele on almost all business matters, but especially in the fields of employment law and…” Source: company website · checked Sep 4, 2026
8	Immix LAWStrong evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	11-50	24
	“As an industry change agent, Immix Law serves as a catalyst for innovation by representing diverse, international, and trailblazing clientele at every stage of the business…” Source: company website · checked Sep 4, 2026
9	Kolitch Romano Dascenzo Gates LLPIndirect evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	11-50	24
	“Kolitch Romano Dascenzo Gates was founded in 2022 by a seasoned team of intellectual property attorneys and professionals.” Source: company website · checked Sep 4, 2026
10	Brownstein RaskPartial evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	11-50	19
	“Brownstein Rask LLP has been a prominent midsize Portland law firm since its founding over 50 years ago.” Source: company website · checked Sep 4, 2026
11	Curtis Thaxter LLCIndirect evidence	Portland, ME, United StatesHQ checked Sep 4, 2026	11-50	16
	“The firm was founded in 1975 by a group of attorneys led by former Maine Governor and U.S.” Source: company website · checked Sep 4, 2026
12	Larkins Vacura Kayser LLPIndirect evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	11-50	16
	“Whether Larkins Vacura Kayser is representing a multi-national company in a multi-million dollar dispute, a mid-size client in a “Bet the Company” battle, or an individual in a…” Source: company website · checked Sep 4, 2026
13	Elliott, Ostrander & Preston, P.CIndirect evidence	Portland, United StatesHQ checked Sep 4, 2026	11-50	13
	“Our experience and training allow us to provide the full range of legal services expected of a larger firm, but without the inefficiency of an institutional bureaucracy.” Source: company website · checked Sep 4, 2026
14	IdealegalPartial evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	1-10	12
	“An innovative and client-focused IP and business boutique law firm.” Source: company website · checked Sep 4, 2026
15	Buchanan Angeli Sullivan & Ferrer LLPPartial evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	11-50	10
	“BUCHANAN ANGELI SULLIVAN & FERRER LLP is a law practice company based out of 621 SW Morrison Street, Suite 1250, Portland, Oregon, United States.” Source: company website · checked Sep 4, 2026
16	Carr Butterfield, LLPPartial evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	1-10	10
	“Carr Butterfield, LLP is a client-focused law firm near Portland, Oregon.” Source: company website · checked Sep 4, 2026
17	Tomasi Bragar DubayIndirect evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	1-10	9
	“Combined our firm has more than 100 years of legal expertise finding highly effective, efficient solutions for our clients and providing outstanding client service.” Source: company website · checked Sep 4, 2026
18	Kilmer Voorhees & Laurick P.CIndirect evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	11-50	7
	“Our business-like approach means that we provide clients with the highest quality legal representation at the best price.” Source: company website · checked Sep 4, 2026
19	Motschenbacher & Blattner LLPIndirect evidence	Portland, United StatesHQ checked Sep 4, 2026	11-50	7
	“Motschenbacher & Blattner LLP's practice areas include business and professional practice formations and dissolutions, contracts, shareholder disputes, business succession…” Source: company website · checked Sep 4, 2026
20	Oregon LAW GroupPartial evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	1-10	6
	“Oregon Law Group is one of the Pacific Northwest’s premier real estate and corporate transactional law firms.” Source: company website · checked Sep 4, 2026
21	Macro LAW GroupPartial evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	1-10	5
	“We are a tech-enabled law firm purpose-built to deliver high-quality legal services to entrepreneurs, investors and organizations.” Source: company website · checked Sep 4, 2026
22	Opticliff LAWPartial evidence	Portland, ME, United StatesHQ checked Sep 4, 2026	1-10	5
	“Opticliff Law, LLC is a Portland, Maine law firm serving clients worldwide.” Source: company website · checked Sep 4, 2026
23	Barg Singer Hoesly PCIndirect evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	1-10	3
	“Barg Singer Hoesly delivers experienced counsel and strategic guidance to help our clients efficiently navigate real estate transactions and disputes, business issues, and civil…” Source: company website · checked Sep 4, 2026
24	Kolitch Romano LLPIndirect evidence	Portland, OR, United StatesHQ checked Sep 4, 2026	1-10	2
	“We are a tight-knit team of experienced, business-minded professionals, dedicated to protecting and defending your company’s intellectual property rights.” Source: company website · checked Sep 4, 2026
25	Marcus CleggIndirect evidence	Portland, ME, United StatesHQ checked Sep 4, 2026	51-200	2
	Source: company website · checked Sep 4, 2026

Showing 25 of 39 international law firms based in Portland, United States

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International law firms based in Portland, United States at a glance

As of Sep 4, 2026

1-10Median size (employees)

New YorkLargest hub · 543 HQs

Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

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 Portland, over 39 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 international 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 Portland, United States whose own description of what they do matches “international 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 international law firms, and records with no verified work email. Companies headquartered outside Portland 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, 475 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 4, 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.

International law firms by metro in the United States

Frequently asked

How many international law firms are there based in Portland, United States?

RevenueBase identified 39 international law firms headquartered in Portland, 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?

Tonkon Torp LLP, headquartered in Portland, tops this list with the largest team on record.

Which city has the most international law firms?

New York leads with 543 headquartered companies, followed by Chicago (205) and Washington (177).

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 475 verified decision-maker contacts tracked across these 39 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 4, 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.