Company lists · Data refreshed September 2026

Top 24 Litigation law firms based in Rockville, United States

RevenueBase identified 51 litigation law firms headquartered in Rockville, United States as of September 2026 and tracks 353 professional contacts across them, including 174 with verified work emails. New York is the largest hub.

This list covers litigation law firms headquartered in Rockville, 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 4, 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 4, 2026 86% judged on-target in blind review
51Companies
353Contacts tracked
174Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 24 largest litigation law firms based in Rockville, United States

Ranked by team size
Top 24 of 51 litigation law firms based in Rockville, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. RevenueBase Smart Search rates how each company's information relates to litigation 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 202611-5034 contacts →

Partial evidence

“The attorneys at Armstrong, Donohue, Ceppos, Vaughan & Rhoades, Chartered have focused on healthcare, professional liability, licensing, and personal injury litigation for over…”

Source: RevenueBase Database · checked Sep 4, 2026
2Strong evidenceRockville, MD, United StatesHQ checked Sep 4, 202611-5020 contacts →

Strong evidence

“The law firm of Budow and Noble, P.C, is well recognized in Maryland and the District of Columbia as a leader in the field of civil litigation.”

Source: RevenueBase Database · checked Sep 4, 2026
3Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 202611-5012 contacts →

Partial evidence

“Walker, Murphy & Nelson, LLP is a civil litigation firm representing health care providers and other litigants throughout Maryland and the District of Columbia.”

Source: RevenueBase Database · checked Sep 4, 2026
4Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 202611-5010 contacts →

Partial evidence

“At RLG Law, we provide effective legal representation with integrity, professionalism and unparalleled commitment to the interests of our clients.”

Source: RevenueBase Database · checked Sep 4, 2026
5Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 202611-5010 contacts →

Partial evidence

“Founded in 1987, Ethridge Quinn is a dedicated litigation powerhouse in the Maryland and Washington D.C.”

Source: RevenueBase Database · checked Sep 4, 2026
6Indirect evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-109 contacts →

Indirect evidence

“We offer clients creative, competent, and compliant solutions to business and legal issues.”

Source: RevenueBase Database · checked Sep 4, 2026
7Indirect evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-109 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 4, 2026
8Indirect evidenceRockville, MD, United StatesHQ checked Sep 4, 202611-508 contacts →

Indirect evidence

“Being charged with a criminal offense is one of the most traumatizing and challenging events that anyone will face.”

Source: RevenueBase Database · checked Sep 4, 2026
9Indirect evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-107 contacts →

Indirect evidence

“About Grant, Riffkin & Strauss, P.C.”

Source: RevenueBase Database · checked Sep 4, 2026
10Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-107 contacts →

Partial evidence

“Werther & Mills, LLC is a construction contracts and litigation boutique with offices in Alexandria, Virginia; Rockville, Maryland; and Washington, DC.”

Source: RevenueBase Database · checked Sep 4, 2026
11Indirect evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-106 contacts →

Indirect evidence

“George W.”

Source: RevenueBase Database · checked Sep 4, 2026
12Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-105 contacts →

Partial evidence

“We offer litigation, alternative dispute resolution and transactional services to clients throughout the country.”

Source: RevenueBase Database · checked Sep 4, 2026
13Indirect evidenceRockville, MD, United StatesHQ checked Sep 4, 202611-504 contacts →

Indirect evidence

“Competent counsel on your side can make all the difference.”

Source: RevenueBase Database · checked Sep 4, 2026
14Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-103 contacts →

Partial evidence

“At The Law Offices of Richard B.”

Source: RevenueBase Database · checked Sep 4, 2026
15Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-103 contacts →

Partial evidence

“Located outside of Washington, D.C, in Rockville, Maryland, Hoffman Employment Law, LLC provides experienced and dedicated legal representation to individuals and businesses with…”

Source: RevenueBase Database · checked Sep 4, 2026
16Indirect evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-103 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 4, 2026
17Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 202611-503 contacts →

Partial evidence

“Apatoff | Peters | Ebersohl is a law firm with offices in Rockville, MD and Falls Church, VA serving local, national, and global businesses.”

Source: RevenueBase Database · checked Sep 4, 2026
18Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-103 contacts →

Partial evidence

“Saboura, Goldman & Colombo, P.C.(the “Firm”) is an AV™ rated litigation firm providing experienced representation to corporate, individual and insurance clients in all state and…”

Source: RevenueBase Database · checked Sep 4, 2026
19Indirect evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-102 contacts →

Indirect evidence

“Shouldn't your business be represented by a firm that understands business?”

Source: RevenueBase Database · checked Sep 4, 2026
20Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-102 contacts →

Partial evidence

“Full service law firm representing individuals and business clients throughout the State of Maryland and the District of Columbia.”

Source: RevenueBase Database · checked Sep 4, 2026
21Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 202651-2001 contacts →

Partial evidence

“Dema Law is a company based out of Rockville, Maryland, United States.”

Source: RevenueBase Database · checked Sep 4, 2026
22Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-101 contacts →

Partial evidence

“The Day Law Practice, LLC is a law practice company based out of 103 North Adams Street, Suite 203, Rockville, Maryland, United States.”

Source: RevenueBase Database · checked Sep 4, 2026
23Strong evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-101 contacts →

Strong evidence

“Flood Law is a boutique labor and employment and business litigation firm serving management and employers.”

Source: RevenueBase Database · checked Sep 4, 2026
24Partial evidenceRockville, MD, United StatesHQ checked Sep 4, 20261-101 contacts →

Partial evidence

“Torrence Law Office, LLC has provided trusted counsel and representation in Commercial Real Estate and Business Transactions since 2009.”

Source: RevenueBase Database · checked Sep 4, 2026

Showing 24 of 51 litigation law firms based in Rockville, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 174 reachable decision-makers.

Free signup · no credit card

View the full list →

Litigation law firms based in Rockville, United States at a glance

As of Sep 4, 2026
49.3%Verified-email coverage
6.9Average contacts per company
1-10Median size (employees)
2382.4%Largest-city concentration · New York
Sep 4, 2026Page data refreshed

Companies by employee count

1-10
37
11-50
12
51-200
2

Email recency for this list is measured across the whole United States list rather than for Rockville, so it is reported there. Company counts and contact totals on this page are exact for Rockville, over 51 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 litigation 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 Rockville, United States whose own description of what they do matches “litigation 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 litigation 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 litigation law firms, and records with no verified work email. Companies headquartered outside Rockville 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, 174 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.

Litigation 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 litigation 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 litigation law firms are there based in Rockville, United States?

RevenueBase identified 51 litigation law firms headquartered in Rockville, 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?

Armstrong, Donohue, Ceppos, Vaughan & Rhoades, Chartered, headquartered in Rockville, tops this list with the largest team on record.

Which city has the most litigation law firms?

New York leads with 1215 headquartered companies, followed by Houston (673) and Los Angeles (669).

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 174 verified decision-maker contacts tracked across these 51 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.

Ready to reach these companies? Verified emails and direct dials for all 51 litigation law firms based in Rockville, United States. Start with a free account, no credit card.

Download this list →

Related lists

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.