Company lists · Data refreshed September 2026

Top 25 Erisa law firms based in Philadelphia, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 47 companies tracked

RevenueBase identified 47 company matches for erisa law firms associated with Philadelphia, United States as of September 2026 and tracks 2,598 professional contacts across them, including 853 with verified work emails. Across the United States, New York is the largest hub for this category (176 companies); Philadelphia has 47.

This list covers company matches for erisa law firms associated with Philadelphia, 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

47Companies

2,598Contacts tracked

853Verified emails

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The 25 largest erisa law firms based in Philadelphia, United States

Ranked by team size

Top 25 of 47 company matches for erisa law firms based in Philadelphia, 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	Marshall Dennehey	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,147 contacts →
	Exact match “Welcome to our company page!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Post & Schell, P.C	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	201-500	336 contacts →
	Exact match “For over 50 years, Post & Schell’s attorneys have combined the operational knowledge and insight into the industries they represent with creative legal solutions – and helped…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Margolis Edelstein	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	201-500	277 contacts →
	Exact match “Margolis Edelstein was founded in Philadelphia over 65 years ago.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Klehr Harrison Harvey Branzburg LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	51-200	193 contacts →
	Exact match “Klehr Harrison Harvey Branzburg LLP is a dynamic law firm known in the business, financial and legal communities for its aggressive and creative problem-solving skills.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Zarwin Baum	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	51-200	133 contacts →
	Exact match “Zarwin Baum DeVito Kaplan Schaer, P.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Reger Rizzo & Darnall LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	51-200	124 contacts →
	Exact match “Reger Rizzo & Darnall LLP is a firm with a proven track record of success.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Willig, Williams & Davidson	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	51-200	80 contacts →
	Exact match “Willig, Williams & Davidson is one of the largest and most respected union-side labor law firms in the United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Wilbraham, Lawler & Buba	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	51-200	50 contacts →
	Exact match “The attorneys at Wilbraham, Lawler & Buba, P.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Exude, INC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	51-200	47 contacts →
	Exact match “Exude is a full-service employee benefits consulting firm established in 1996, dedicated to changing lives for people who change the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	The Mandmarblestone Group	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	11-50	40 contacts →
	Exact match “The MandMarblestone Group, llc is the pre-eminent tax law consulting firm concentrating in designing, administering and consulting on qualified retirement plans.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Ricci Tyrrell Johnson & Grey, Pllc	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	51-200	30 contacts →
	Exact match “In 2014, all of the lawyers at Hollstein Keating Cattell Johnson & Goldstein, P.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Kang Haggerty	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	11-50	28 contacts →
	Exact match “Focused solely on business litigation and counseling, the lawyers of Kang Haggerty have reputations for excellence earned through years of experience in trial and appellate court.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Fineman Krekstein & Harris	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “For more than 30 years, the law firm of Fineman Krekstein & Harris P.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Nochumson P.C	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “At Nochumson P.C, we are not just legal counsel, we are real people serving our communities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Precision Benefits Group	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Precision Benefits Group is a leading Philadelphia based employee benefits company specializing in designing, implementing and maintaining comprehensive benefits programs for…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Mccarthy Weidler P.C	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “The team at McCarthy Weidler is committed to providing specialized counsel and delivering results, while protecting the best interests of our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Seltzer & Associates, P.C	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “The experienced team at Seltzer & Associates is nationally recognized for excellence in achieving quick, favorable results on behalf of professionals and executives filing…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Boonswang LAW Firm, LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Based in Philadelphia and serving clients across the country, Boonswang Law focuses on life insurance and catastrophic personal injury claims.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Schaff & Young, PC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “We founded our firm, Schaff & Young, PC, more than a decade ago with a specific vision.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Charlson Braber Mccabe & Denmark	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “Charlson Braber McCabe & Denmark is the firm you've been looking for.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	The Igwe Firm	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	11-50	4 contacts →
	Exact match “At The Igwe Firm, we are dedicated to providing top notch legal representation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Gekoski & Bogdanoff, PC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “Gekoski & Bogdanoff is an accomplished law firm that has been serving its clients for over sixty years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Doolittle Williams LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “We are a boutique trusts and estates law firm specializing in estate planning, trust and estate administration, business succession planning, and charitable gift planning.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Black & Gerngross, PC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	11-50	3 contacts →
	Exact match “BLACK & GERNGROSS, PC is a company based out of 1617 JOHN F.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Koller Law, LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Koller Law, LLC is a proven Employment Law Firm that has been providing representation and legal counsel for both employees and employers in Pennsylvania and New Jersey.” 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 “erisa 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 47 erisa law firms based in Philadelphia, United States

See the full list, filter by size, metro and specialty, and access 853 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Erisa law firms based in Philadelphia, United States at a glance

As of Sep 28, 2026

32.8%Verified-email coverage

55.3Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Philadelphia, so it is reported there. Company counts and contact totals on this page are exact for Philadelphia, over 47 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 Philadelphia, United States whose business descriptions match “erisa 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 853 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.

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

How many erisa law firms are there based in Philadelphia, United States?

RevenueBase identified 47 company matches for erisa law firms associated with Philadelphia, 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?

Marshall Dennehey 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 erisa law firms?

New York leads the United States with 176 company records, followed by Los Angeles (129) and Chicago (108). Philadelphia has 47.

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 853 professional contacts with verified work emails tracked across these 47 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.