Company lists · Data refreshed September 2026
Top 25 Administrative law firms based in Portland, United States
RevenueBase identified 34 administrative law firms headquartered in Portland, United States as of September 2026 and tracks 514 professional contacts across them, including 354 with verified work emails. Across the United States, New York is the largest hub for this category (230 companies); Portland has 34.
This list covers administrative 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 27, 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 25 largest administrative law firms based in Portland, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 91 contacts → | ||||
Indirect evidence “SBH Legal is a litigation firm emphasizing representation of employers, insurers and claims administrators in all matters relating to employment including workers’ compensation…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 78 contacts → | ||||
Partial evidence “Markowitz Herbold is a litigation law firm with offices in Portland, Oregon, and New York City.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 32 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 28 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Partial evidence “Energy, Environmental, and Telecommunications Law, these fields are undergoing constant change and rapid growth.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Partial evidence “Environmental and Municipal Law From our offices in Pennsylvania, California, and Oregon, we practice as one law firm, holding closely to core values that start with a deep…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Partial evidence “Petruccelli, Martin & Haddow, LLP, one of Maine’s premier law firms, has been providing successful, aggressive and innovative legal representation in a wide variety of matters for…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 contacts → | ||||
Partial evidence “The law firm of Robinson, Kriger & McCallum provides individuals and businesses with advice, representation, and legal services designed to resolve outstanding legal matters in a…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Partial evidence “Carr Butterfield, LLP is a client-focused law firm near Portland, Oregon.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 6 contacts → | ||||
Partial evidence “RIZKLAW is a Portland law firm started by lawyer and social activist Richard Rizk in late 2001.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Partial evidence “Incorporated in 1973, Douglas, Denham, Buccina & Ernst represents individual and corporate clients in state and federal courts and before administrative tribunals throughout the…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Partial evidence “The firm has broad experience representing individual and institutional clients in matters involving alleged violations of federal and state laws pertaining to health care…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Partial evidence “Paternoster Farnell & Grein, is a Portland, Oregon-based law firm with regional and national practices.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence “Athan Papailiou provides trial, appellate, and general counseling solutions to public, private, and non-profit clients throughout the Pacific Northwest and beyond.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Partial evidence “Pacific Northwest Law, LLP • Complex Litigation and Consulting • We are experienced trial and appellate counsel dedicated to achieving the best possible outcomes for our clients.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Indirect evidence “Olson Brooksby is a boutique litigation firm serving Oregon and Washington.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Indirect evidence “Areas of practice:* business & corporate * real estate & land use * litigation * regulated industries * bankruptcy & insolvency * employment & intellectual property” Source: RevenueBase Database · checked Sep 27, 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: administrative 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 administrative law firms.
- Partial evidence
- Its own public description names part of administrative law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name administrative 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 34 administrative law firms based in Portland, United States
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Administrative law firms based in Portland, United States at a glance
As of Sep 27, 2026Companies by employee count
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 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 administrative 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 “administrative 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 administrative 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 administrative 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, 354 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 27, 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.
Administrative law firms by metro in the United States
- Administrative law firms in New York230
- Administrative law firms in Washington132
- Administrative law firms in Chicago126
- Administrative law firms in Houston122
- Administrative law firms in Los Angeles116
- Administrative law firms in Dallas88
- Administrative law firms in Atlanta82
- Administrative law firms in San Diego79
- Administrative law firms in Miami77
- Administrative law firms in Boston64
- Administrative law firms in Austin62
- Administrative law firms in San Francisco57
- Administrative law firms in Denver49
- Administrative law firms in Phoenix46
- Administrative law firms in New Orleans44
- Administrative law firms in Philadelphia38
- Administrative law firms in Coral Gables37
- Administrative law firms in Irvine37
- Administrative law firms in Fort Lauderdale33
- Administrative law firms in Raleigh33
- Administrative law firms in Orlando32
- Administrative law firms in Tampa32
- Administrative law firms in Minneapolis31
- Administrative law firms in Las Vegas30
- Administrative law firms in Seattle30
- Administrative law firms in Indianapolis28
- Administrative law firms in Birmingham27
- Administrative law firms in Columbia27
- Administrative law firms in Pittsburgh26
- Administrative law firms in Sacramento26
- Administrative law firms in San Antonio25
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 administrative 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 administrative law firms are there based in Portland, United States?
RevenueBase identified 34 administrative 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?
Norman, Hanson & Detroy, LLC, headquartered in Portland, tops this list with the largest team on record.
Which city in the United States has the most administrative law firms?
New York leads the United States with 230 headquartered companies, followed by Washington (132) and Chicago (126). Portland 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 354 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 27, 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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