Company lists · Data verified August 2026

Top 25 Defamation law firms based in the United States

Name: Defamation law firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 366 companies tracked

There are 366 defamation law firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 4,182 professional contacts across them, including 2,419 with verified work emails and 2,092 with mobile numbers. New York is the largest hub.

This list covers defamation law firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

366Companies

4,182Contacts tracked

2,419Verified emails

2,092Mobile numbers

Unlock all 366 companies Free account · no credit card · 2 minutes

The 25 largest defamation law firms based in the United States

Ranked by team size

Top 25 of 366 defamation law firms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	O'hagan Meyer	Norfolk, VA	501-1,000	569	452
2	Boies Schiller Flexner LLP	New York, NY	501-1,000	541	286
3	Selendy GAY Pllc	New York	51-200	177	114
4	Copeland, Stair, Valz & Lovell, LLP	Charleston, SC	201-500	131	88
5	Hartline Barger	Waco, TX	51-200	109	59
6	Mcnamara, Ambacher, Wheeler, Hirsig & Gray LLP	Fairfield, CA	51-200	79	38
7	KPM LAW Kalbaugh Pfund & Messersmith, P.C	Richmond, VA	51-200	76	41
8	Beck Redden LLP	Houston, TX	51-200	75	54
9	Hill, Farrer & Burrill LLP	Los Angeles, CA	51-200	67	46
10	SMITH	Atlanta, GA	11-50	56	2
11	Smith, Sovik, Kendrick & Sugnet, P.C	Syracuse, NY	51-200	48	37
12	Mccormick & Priore, P.C	Philadelphia, PA	11-50	47	43
13	Dhillon LAW Group INC	San Francisco, CA	11-50	41	22
14	Mcallister Olivarius	New York	11-50	40	33
15	Oppenheim Zebrak, LLP	Washington, DC	11-50	40	25
16	Donovan Hatem LLP	Boston, MA	51-200	40	17
17	Houser LLP	New York, NY	51-200	37	23
18	Chock Barhoum	Portland, OR	11-50	36	24
19	Mcminn, Fradin Gray & Logan	Greensboro, NC	11-50	36	15
20	Ricci Tyrrell Johnson & Grey, Pllc	Philadelphia, PA	51-200	35	25
21	Bailey & Wyant Pllc	Wheeling, WV	51-200	34	26
22	LTL Attorneys LLP	Los Angeles, CA	51-200	30	12
23	Kabat Chapman & Ozmer LLP	Atlanta, GA	11-50	29	26
24	Nathan & Kamionski LLP	Chicago, IL	11-50	29	25
25	Kern Segal & Murray, A LAW Corporation	Daly City, CA	11-50	29	21

Showing 25 of 366 defamation law firms based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,419 reachable decision-makers.

Free account · no credit card

See all 366 companies

Defamation law firms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 26 HQs

2,092Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

248

11-50

100

51-200

201-500

501-1,000

Defamation law firms by metro

Metro	Companies
Defamation law firms in New York	26
Defamation law firms in Los Angeles	20
Defamation law firms in Houston	11
Defamation law firms in Chicago	10
Defamation law firms in Dallas	9
Defamation law firms in Atlanta	8
Defamation law firms in Tampa	8
Defamation law firms in Miami	7

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “defamation law firms”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 5 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many defamation law firms are there based in the United States?

There are 366 defamation law firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

O'hagan Meyer, headquartered in Norfolk, tops this list with the largest team on record.

Which city has the most defamation law firms?

New York leads with 26 headquartered companies, followed by Los Angeles (20) and Houston (11).

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 2,419 verified decision-maker contacts tracked across these 366 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 366 defamation law firms based in the United States. Start with a free account, no credit card.

Get the full list

Related lists

Defamation law firms by geography

Browse the directory

Browse: Companies home · All United States lists · All Defamation law firms lists · New lists

About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.