Company lists · Data refreshed October 2026

Top 25 Class action law firms based in Irvine, United States

Name: Class action law firms based in Irvine, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 42 companies tracked

RevenueBase identified 42 company matches for class action law firms associated with Irvine, United States as of October 2026 and tracks 840 professional contacts across them, including 549 with verified work emails. Across the United States, New York is the largest hub for this category (253 companies); Irvine has 42.

This list covers company matches for class action law firms associated with Irvine, 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 October 1, 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 Oct 1, 2026 How this list was built

42Companies

840Contacts tracked

549Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest class action law firms based in Irvine, United States

Ranked by team size

Top 25 of 42 company matches for class action law firms based in Irvine, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Koeller, Nebeker, Carlson & Haluck	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	51-200	128 contacts →
	Exact match “Koeller Nebeker Carlson Haluck LLP (KNCH) prides itself in its handling of complex litigation matters.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Guardian Litigation Group, LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	201-500	102 contacts →
	Exact match “At Guardian Litigation Group, we are dedicated to consumer debt defense, providing strategic legal representation to individuals facing creditor lawsuits, unfair collection…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Wolfe & Wyman LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	51-200	74 contacts →
	Exact match “WOLFE & WYMAN LLP is a civil litigation firm that assists corporate, institutional and individual clients with legal matters throughout the United States.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Everett Dorey	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	51-200	72 contacts →
	Exact match “Everett Dorey LLP is a full service civil litigation firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	CPT Group, Inc. Class Action Administrators	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	51-200	69 contacts →
	Exact match “CPT Group, Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	LAW Offices Of Samer Habbas & Associates, P.C	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	54 contacts →
	Exact match “Personal injury attorney, Samer Habbas has successfully represented clients in many different personal injury practice areas.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Callahan, Thompson, Sherman & Caudill, LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	47 contacts →
	Exact match “Callahan, Thompson, Sherman & Caudill, LLP has been representing individuals and businesses in California for over 35 years in all areas of civil litigation including labor and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Kasdan Turner Thomson Booth LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	51-200	44 contacts →
	Exact match “Kasdan Turner Thomson Booth LLP is one of the most experienced and successful construction defect law firms in the Western United States with offices in Southern and Northern…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Houser LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	51-200	37 contacts →
	Exact match “Houser LLP, is a commercial and business litigation law firm serving Fortune 500 companies as well as small businesses.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Callahan & Blaine	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	33 contacts →
	Exact match “Callahan & Blaine is California's Premier Litigation Firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Umberg Zipser LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	28 contacts →
	Exact match “Umberg/Zipser LLP is a premier business litigation law firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Mvpf Law, APC	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	20 contacts →
	Exact match “Civil Litigation A Team Approach To Meet Your Legal Needs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Wallace, Richardson, Sontag & Le, LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	20 contacts →
	Exact match “Wallace, Richardson, Sontag & Le, LLP represents landlords, property management companies, lenders, employers and insurance companies throughout the State of California in real…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Hylton & Associates	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	15 contacts →
	Exact match “We represent public entities and private companies in personal injury, premises liability, and employment matters.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Apex Class Action	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match “Apex Class Action LLC is a third-party class action administration firm that specializes in managing the complex process of administering the settlements of class action lawsuits.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Reif LAW Group, P.C	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Kading Briggs LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	The Yocca LAW Firm LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “The Yocca Law Firm delivers premier business and employment litigation services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Brenes LAW Group, P.C	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Jackson APC	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “Employee and consumer rights law firm making a positive impact on each client and the world one case at a time.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Gordee, Nowicki & Blakeney LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “Litigation and government contracts law firm located in Irvine, CA, offering litigation services and legal advice regarding business disputes, employment law, health care…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Frank Sims & Stolper LLP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Orange County based litigation boutique practicing complex business litigation, class action, and white-collar criminal defense.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Hall LAW Group	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Based in Orange County, The Hall Law Group is an aggressive litigation firm with a passion for making a difference in our client's lives.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Eisenberg & Associates, APC	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “Law Firm emphasizing representation of individuals and consumers in Personal Injury and Wrongful Death Matters.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Mclain	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “N/A This page is not available at this time.” Recorded in the RevenueBase company graph · Oct 1, 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 “class action 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 25 of 42 class action law firms based in Irvine, United States

See the full list, filter by size, metro and specialty, and access 549 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Class action law firms based in Irvine, United States at a glance

As of Oct 1, 2026

65.4%Verified-email coverage

20.0Average contacts per company

1-10Median size (employees)

Oct 1, 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 Irvine, so it is reported there. Company counts and contact totals on this page are exact for Irvine, over 42 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 Irvine, United States whose business descriptions match “class action 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 549 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 October 1, 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.

Class action 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 “class action law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many class action law firms are there based in Irvine, United States?

RevenueBase identified 42 company matches for class action law firms associated with Irvine, United States as of October 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?

Koeller, Nebeker, Carlson & Haluck 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 class action law firms?

New York leads the United States with 253 company records, followed by Los Angeles (184) and Houston (166). Irvine has 42.

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 549 professional contacts with verified work emails tracked across these 42 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 October 1, 2026.

Ready to reach these companies? Verified emails and direct dials for all 42 class action law firms based in Irvine, United States. Start with a free account, no credit card.

Download this list →

Related lists

Class action law firms by geography

Browse the directory

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.