Company lists · Data refreshed September 2026

Top 24 Big 4 law firms based in Wilmington, United States

Name: Big 4 law firms based in Wilmington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 28 companies tracked

RevenueBase identified 28 big 4 law firms headquartered in Wilmington, United States as of September 2026 and tracks 1,275 professional contacts across them, including 695 with verified work emails. Across the United States, New York is the largest hub for this category (536 companies); Wilmington has 28.

This list covers big 4 law firms headquartered in Wilmington, 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 23, 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 23, 2026 86% judged on-target in blind review

28Companies

1,275Contacts tracked

695Verified emails

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The 24 largest big 4 law firms based in Wilmington, United States

Ranked by team size

Top 24 of 28 big 4 law firms based in Wilmington, United States, ranked by team size, largest first. Data refreshed Sep 23, 2026. RevenueBase Smart Search rates how each company's information relates to big 4 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Young Conaway Stargatt & Taylor, LLP	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	201-500	256 contacts →
	Partial evidence “Young Conaway Stargatt & Taylor, LLP, one of Delaware's largest law firms, counsels and represents national, international and local clients, handling sophisticated advisory and…” Source: RevenueBase Database · checked Sep 23, 2026
2	Morris, Nichols, Arsht & Tunnell LLP	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	201-500	208 contacts →
	Partial evidence “Recognized as Delaware’s premier law firm, Morris Nichols handles bet-the-company, high-stakes matters in the four key areas of corporate litigation, commercial and corporate…” Source: RevenueBase Database · checked Sep 23, 2026
3	Potter Anderson	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	51-200	204 contacts →
	Indirect evidence “Potter Anderson is go-to counsel for sophisticated clients with important and often make-or-break legal matters in the state of Delaware.” Source: RevenueBase Database · checked Sep 23, 2026
4	Morris James LLP	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	51-200	177 contacts →
	Indirect evidence “Formidable lawyers deeply committed to anticipating the needs of our clients through innovation and superior client service.” Source: RevenueBase Database · checked Sep 23, 2026
5	Bayard, P.A	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	11-50	58 contacts →
	Indirect evidence “Bayard, P.A, a Wilmington, Delaware-based firm, has nationally recognized practices in commercial bankruptcy, and corporate and commercial litigation, intellectual property…” Source: RevenueBase Database · checked Sep 23, 2026
6	Connolly Gallagher LLP	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	11-50	41 contacts →
	Partial evidence “Connolly Gallagher is a law firm with deep roots in Delaware and stature in its legal community.” Source: RevenueBase Database · checked Sep 23, 2026
7	Elzufon Austin & Mondell, P.A	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	51-200	40 contacts →
	Partial evidence “Elzufon Austin & Mondell is a service oriented law firm with a broad range of practice areas.” Source: RevenueBase Database · checked Sep 23, 2026
8	Gordon, Fournaris & Mammarella, P.A	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	11-50	34 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 23, 2026
9	Murchison, Taylor & Gibson, Pllc	Partial evidence	Wilmington, NC, United StatesHQ checked Sep 23, 2026	11-50	33 contacts →
	Partial evidence “Murchison, Taylor & Gibson, PLLC is a full service law firm located in Wilmington, North Carolina, committed to providing a broad range of high quality legal services in a…” Source: RevenueBase Database · checked Sep 23, 2026
10	Ashby & Geddes, P.A	Indirect evidence	Wilmington, United StatesHQ checked Sep 23, 2026	11-50	32 contacts →
	Indirect evidence “Ashby & Geddes is best known for its litigation and corporate reorganization expertise.” Source: RevenueBase Database · checked Sep 23, 2026
11	Chipman Brown Cicero & Cole, LLP	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	11-50	27 contacts →
	Partial evidence “Chipman Brown Cicero & Cole, LLP is a law firm in Wilmington, Delaware and New York, New York, focusing on corporate bankruptcy and corporate and securities litigation.” Source: RevenueBase Database · checked Sep 23, 2026
12	Mccollom D'emilio Smith Uebler LLC	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	11-50	24 contacts →
	Partial evidence “McCollom D’Emilio Smith Uebler LLC is a Delaware law firm focusing on trusts, estates, and tax; business transactions; and litigation.” Source: RevenueBase Database · checked Sep 23, 2026
13	Block, Crouch, Keeter, Behm & Sayed, LLP	Indirect evidence	Wilmington, NC, United StatesHQ checked Sep 23, 2026	11-50	24 contacts →
	Indirect evidence “Block, Crouch, Keeter, Behm & Sayed, LLP was founded in 1996.” Source: RevenueBase Database · checked Sep 23, 2026
14	Cooch And Taylor P.A	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	11-50	21 contacts →
	Partial evidence “Cooch and Taylor P.A, one of Wilmington’s oldest and most respected law firms, was founded in 1960 by Edward W.” Source: RevenueBase Database · checked Sep 23, 2026
15	Halloran Farkas Kittila LLP	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	11-50	16 contacts →
	Partial evidence “Halloran Farkas + Kittila LLP is a law firm focusing on corporate, regulatory, and complex commercial matters, regularly serving as counsel for companies and individuals.” Source: RevenueBase Database · checked Sep 23, 2026
16	Gellert Seitz Busenkell & Brown LLC	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	11-50	15 contacts →
	Partial evidence “Gellert Seitz Busenkell & Brown, LLC is a boutique commercial law firm located in both Wilmington, Delaware and Philadelphia, Pennsylvania, serving the needs of clients in…” Source: RevenueBase Database · checked Sep 23, 2026
17	Rountree Losee LLP	Indirect evidence	Wilmington, NC, United StatesHQ checked Sep 23, 2026	11-50	13 contacts →
	Indirect evidence “Rountree Losee LLP in Wilmington, North Carolina, provides exceptional legal services to individuals and businesses locally, regionally, nationally and internationally.” Source: RevenueBase Database · checked Sep 23, 2026
18	Shaw Keller LLP	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	1-10	10 contacts →
	Indirect evidence “Facing complex litigation requires both expertise and agility.” Source: RevenueBase Database · checked Sep 23, 2026
19	Smith, Katzenstein & Jenkins LLP	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	11-50	9 contacts →
	Indirect evidence “Since 1985, Smith, Katzenstein & Jenkins LLP has been dedicated to advancing the business and personal objectives of our clients.” Source: RevenueBase Database · checked Sep 23, 2026
20	Equitas LAW Partners LLP	Partial evidence	Wilmington, NC, United StatesHQ checked Sep 23, 2026	11-50	7 contacts →
	Partial evidence “At Equitas Law Partners, we are more than just legal professionals; we are advocates for equity and justice.” Source: RevenueBase Database · checked Sep 23, 2026
21	The Danneman Firm, LLC	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	1-10	6 contacts →
	Indirect evidence “George J.” Source: RevenueBase Database · checked Sep 23, 2026
22	The Williams LAW Firm, P.A	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	1-10	5 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 23, 2026
23	Crossley Mcintosh Collier Hanley & Edes, Pllc	Indirect evidence	Wilmington, NC, United StatesHQ checked Sep 23, 2026	11-50	5 contacts →
	Indirect evidence “Founded in 1949, Crossley McIntosh Collier Hanley & Edes, PLLC has been faithfully serving our clients and our community for over six decades.” Source: RevenueBase Database · checked Sep 23, 2026
24	Rosner LAW Group LLC	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 23, 2026	1-10	1 contacts →
	Partial evidence “The Delaware Litigation Attorneys at The Rosner Law Group have years of experience providing successful legal representation for bankruptcy, corporate transactions and commercial…” Source: RevenueBase Database · checked Sep 23, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: big 4 law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names big 4 law firms.
Partial evidence: Its own public description names part of big 4 law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name big 4 law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 24 of 28 big 4 law firms based in Wilmington, United States

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Big 4 law firms based in Wilmington, United States at a glance

As of Sep 23, 2026

54.5%Verified-email coverage

45.5Average contacts per company

11-50Median size (employees)

Sep 23, 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 Wilmington, so it is reported there. Company counts and contact totals on this page are exact for Wilmington, over 28 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 big 4 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 Wilmington, United States whose own description of what they do matches “big 4 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 big 4 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 big 4 law firms, and records with no verified work email. Companies headquartered outside Wilmington 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, 695 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 23, 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.

Big 4 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 big 4 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 big 4 law firms are there based in Wilmington, United States?

RevenueBase identified 28 big 4 law firms headquartered in Wilmington, 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?

Young Conaway Stargatt & Taylor, LLP, headquartered in Wilmington, tops this list with the largest team on record.

Which city in the United States has the most big 4 law firms?

New York leads the United States with 536 headquartered companies, followed by Chicago (267) and Los Angeles (235). Wilmington has 28.

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 695 verified decision-maker contacts tracked across these 28 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 23, 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 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.