Company lists · Data refreshed September 2026

Top 25 Ad law firms based in Portland, United States

Name: Ad 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 21, 2026 40 companies tracked

RevenueBase identified 40 ad law firms headquartered in Portland, United States as of September 2026 and tracks 1,276 professional contacts across them, including 708 with verified work emails. New York is the largest hub.

This list covers ad 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 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 21, 2026 86% judged on-target in blind review

40Companies

1,276Contacts tracked

708Verified emails

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

Ranked by team size

Top 25 of 40 ad law firms based in Portland, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to ad 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Schwabe	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	201-500	398 contacts →
	Indirect evidence “We focus our practices by industry, so you can access legal services based on your unique needs in today’s economy.” Source: RevenueBase Database · checked Sep 21, 2026
2	Bernstein Shur	Partial evidence	Portland, ME, United StatesHQ checked Sep 21, 2026	201-500	245 contacts →
	Partial evidence “We are a New England-based law firm that advises clients across the U.S.” Source: RevenueBase Database · checked Sep 21, 2026
3	Tonkon Torp LLP	Partial evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	51-200	197 contacts →
	Partial evidence “A leading Pacific Northwest law firm, Tonkon Torp provides legal counsel, business advice and litigation services to regional, national and international clients.” Source: RevenueBase Database · checked Sep 21, 2026
4	Norman, Hanson & Detroy, LLC	Partial evidence	Portland, ME, United StatesHQ checked Sep 21, 2026	51-200	93 contacts →
	Partial evidence “Norman, Hanson & DeTroy, LLC, is a highly respected law firm in Maine with a widely diversified practice.” Source: RevenueBase Database · checked Sep 21, 2026
5	Samuels Yoelin Kantor LLP	Partial evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	11-50	50 contacts →
	Partial evidence “With roots dating back to 1927, Samuels Yoelin Kantor LLP ranks as one of Oregon’s oldest law firms.” Source: RevenueBase Database · checked Sep 21, 2026
6	Stoll Berne	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	11-50	39 contacts →
	Indirect evidence “Deeply rooted in the great Northwest and nationally recognized for outstanding work for nearly 40 years, Stoll Berne has achieved extraordinary results for our clients through…” Source: RevenueBase Database · checked Sep 21, 2026
7	Perkins Thompson	Partial evidence	Portland, ME, United StatesHQ checked Sep 21, 2026	11-50	30 contacts →
	Partial evidence “Perkins Thompson is a client-centric, Maine-based law firm that works with businesses, institutions, and individuals to realize their goals.” Source: RevenueBase Database · checked Sep 21, 2026
8	JJH LAW Firm Pearl District	Partial evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	1-10	26 contacts →
	Partial evidence “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: RevenueBase Database · checked Sep 21, 2026
9	Kolitch Romano Dascenzo Gates LLP	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	11-50	24 contacts →
	Indirect evidence “Kolitch Romano Dascenzo Gates was founded in 2022 by a seasoned team of intellectual property attorneys and professionals.” Source: RevenueBase Database · checked Sep 21, 2026
10	Allegiant LAW LLP	Partial evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	11-50	18 contacts →
	Partial evidence “Allegiant Law (formerly known as Richardson Wang) is a boutique Portland, Oregon law firm focusing on litigation and business matters.” Source: RevenueBase Database · checked Sep 21, 2026
11	Brownstein Rask	Partial evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	11-50	18 contacts →
	Partial evidence “Brownstein Rask LLP has been a prominent midsize Portland law firm since its founding over 50 years ago.” Source: RevenueBase Database · checked Sep 21, 2026
12	Mcdowell Rackner Gibson PC	Partial evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	11-50	16 contacts →
	Partial evidence “Energy, Environmental, and Telecommunications Law, these fields are undergoing constant change and rapid growth.” Source: RevenueBase Database · checked Sep 21, 2026
13	Angeli & Calfo LLC	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	11-50	14 contacts →
	Indirect evidence “Angeli & Calfo is a boutique litigation firm that combines “big firm” experience, expertise and results with a business model that allows us to provide more personalized service…” Source: RevenueBase Database · checked Sep 21, 2026
14	Elliott, Ostrander & Preston, P.C	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	11-50	13 contacts →
	Indirect evidence “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: RevenueBase Database · checked Sep 21, 2026
15	Idealegal	Partial evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	1-10	12 contacts →
	Partial evidence “An innovative and client-focused IP and business boutique law firm.” Source: RevenueBase Database · checked Sep 21, 2026
16	Carr Butterfield, LLP	Partial evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	1-10	10 contacts →
	Partial evidence “Carr Butterfield, LLP is a client-focused law firm near Portland, Oregon.” Source: RevenueBase Database · checked Sep 21, 2026
17	Duboff LAW Group	Partial evidence	Portland, United StatesHQ checked Sep 21, 2026	11-50	9 contacts →
	Partial evidence “The DuBoff Law Group is a small law firm based in Portland, Oregon.” Source: RevenueBase Database · checked Sep 21, 2026
18	Caseiro Burke LLC	Partial evidence	Portland, ME, United StatesHQ checked Sep 21, 2026	1-10	6 contacts →
	Partial evidence “Caseiro Burke is an intellectual property law firm providing legal services to individuals and businesses around the world.” Source: RevenueBase Database · checked Sep 21, 2026
19	Opticliff LAW	Partial evidence	Portland, ME, United StatesHQ checked Sep 21, 2026	1-10	6 contacts →
	Partial evidence “Opticliff Law, LLC is a Portland, Maine law firm serving clients worldwide.” Source: RevenueBase Database · checked Sep 21, 2026
20	Wildwood LAW Group LLC	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	1-10	5 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
21	Matchstick Legal, INC	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	1-10	5 contacts →
	Indirect evidence “Matchstick works with leading agencies, studios, and professionals across creative and technical disciplines looking to tackle business challenges, solve problems, and just get…” Source: RevenueBase Database · checked Sep 21, 2026
22	Barg Singer Hoesly PC	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	1-10	3 contacts →
	Indirect evidence “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: RevenueBase Database · checked Sep 21, 2026
23	Nichols LAW Group	Partial evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	1-10	3 contacts →
	Partial evidence “At Nichols Law Group, we are committed to earning the trust of our clients by providing the highest quality of legal representation while maintaining uncompromising ethics.” Source: RevenueBase Database · checked Sep 21, 2026
24	Kolitch Romano LLP	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	1-10	2 contacts →
	Indirect evidence “We are a tight-knit team of experienced, business-minded professionals, dedicated to protecting and defending your company’s intellectual property rights.” Source: RevenueBase Database · checked Sep 21, 2026
25	JDC Law, LLC	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	1-10	1 contacts →
	Indirect evidence “Litigation, regulatory compliance and risk management attorneys located in Portland Oregon, focusing on cost effective representation in the areas of business and product…” Source: RevenueBase Database · checked Sep 21, 2026

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: ad 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 ad law firms.
Partial evidence: Its own public description names part of ad law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name ad 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 25 of 40 ad law firms based in Portland, United States

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

As of Sep 21, 2026

55.5%Verified-email coverage

31.9Average contacts per company

1-10Median size (employees)

917.5%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 40 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 ad 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 Portland, United States whose own description of what they do matches “ad 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 ad 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 ad 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 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, 708 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 21, 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.

Ad 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 ad 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 ad law firms are there based in Portland, United States?

RevenueBase identified 40 ad 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?

Schwabe, headquartered in Portland, tops this list with the largest team on record.

Which city has the most ad law firms?

New York leads with 367 headquartered companies, followed by Los Angeles (196) and Chicago (188).

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 708 verified decision-maker contacts tracked across these 40 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 21, 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.