Company lists · Data refreshed September 2026

Top 21 Environmental compliance law firms based in Portland, United States

Name: Environmental compliance 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 28, 2026 31 companies tracked

RevenueBase identified 31 company matches for environmental compliance law firms associated with Portland, United States as of September 2026 and tracks 565 professional contacts across them, including 399 with verified work emails. Across the United States, Washington is the largest hub for this category (88 companies); Portland has 31.

This list covers company matches for environmental compliance law firms associated with Portland, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

31Companies

565Contacts tracked

399Verified emails

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The 21 largest environmental compliance law firms based in Portland, United States

Ranked by team size

Top 21 of 31 company matches for environmental compliance law firms based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Pierce Atwood LLP	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	201-500	320 contacts →
	Exact match “Pierce Atwood LLP, a highly-regarded, full-service law firm based in New England, has 150 attorneys who serve regional, national, and international clients from offices in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Jordan Ramis PC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	51-200	58 contacts →
	Exact match “Founded in 1963, Jordan Ramis PC is a law firm dedicated to the businesses, organizations, and entrepreneurs building and defining the future of the Pacific Northwest.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Chenoweth LAW Group	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	35 contacts →
	Exact match “At Chenoweth Law Group, P.C, we provide effective advocacy in complex commercial and civil litigation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Schroeder LAW Offices, PC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “Over 30 years experience in regulatory compliance; consulting; permitting; transactional due diligence and document drafting; education; advocacy in agency matters; representation…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Mcdowell Rackner Gibson PC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	16 contacts →
	Exact match “Energy, Environmental, and Telecommunications Law, these fields are undergoing constant change and rapid growth.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Radler White Parks & Alexander LLP	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “Radler White Parks & Alexander LLP was created to offer clients industry leading legal services in land use, real estate and related corporate matters.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Ring Bender LLP	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Evren Northwest, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Petruccelli, Martin & Haddow, LLP	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Carr Butterfield, LLP	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “Carr Butterfield, LLP is a client-focused law firm near Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Hoffman LAW LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “Hoffman Law provides expert criminal defense to individual and corporate clients in all varieties of serious, complex cases, including white-collar, corporate, environmental…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	EES Environmental Consulting INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “EES is a unique team of professional consultants specializing in environmental assessment, investigation, and cleanup services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Landform LAW	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “Landform Law, LLC, offers a full range of civil legal services for property owners, developers, municipalities, and public interest groups in Maine, with special expertise in land…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Aquarius Environmental, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Aquarius Environmental is an environmental engineering and consulting firm specializing in water related design, treatment, and compliance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Westmark LAW	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “We believe in using the law to create a more sustainable future by helping our clients structure, negotiate, document, and execute complex transactions in the renewable energy…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Angeli LAW Group	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	1 contacts →
	Exact match “The Angeli Law Group provides its clients with a vigorous and skilled defense in all manner of disputes in state and federal courts.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Brems LAW	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Import/export, business and compliance legal practice in Portland, Maine.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	EDE Environmental, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “I specialize in helping my clients navigate the ever-evolving landscape of environmental regulation and property remediation, bringing technical expertise, critical thinking, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	JDC Law, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Litigation, regulatory compliance and risk management attorneys located in Portland Oregon, focusing on cost effective representation in the areas of business and product…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Underhill LAW Office	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Underhill Law Office provides legal and government ethics and risk management advice to lawyers, law firms, corporate in-house counsel, government attorneys, elected officials and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Justin B. Green Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Solutions-Oriented Consultancy Providing Environment, Energy, and Government Consulting.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “environmental compliance law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 21 of 31 environmental compliance law firms based in Portland, United States

See the full list, filter by size, metro and specialty, and access 399 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental compliance law firms based in Portland, United States at a glance

As of Sep 28, 2026

70.6%Verified-email coverage

18.2Average contacts per company

1-10Median size (employees)

Sep 28, 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 31 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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: Company records associated with Portland, United States whose business descriptions match “environmental compliance law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 399 professional contacts with verified work emails across the full matched dataset. 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.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Environmental compliance law firms by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “environmental compliance law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 31 company matches for environmental compliance law firms associated with Portland, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Pierce Atwood LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most environmental compliance law firms?

Washington leads the United States with 88 company records, followed by Houston (64) and Austin (48). Portland has 31.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 399 professional contacts with verified work emails tracked across these 31 companies; direct dials are available where recorded.

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 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.