Company lists · Data refreshed September 2026

Top 25 Debt issuance law firms worldwide

Name: Debt issuance law firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 7,934 companies tracked

RevenueBase identified 7,934 debt issuance law firms worldwide as of September 2026 and tracks 172,214 professional contacts across them, including 83,710 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers debt issuance law firms worldwide, 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 28, 2026. Country and city lists for debt issuance law firms follow the table.

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 28, 2026 86% judged on-target in blind review

7,934Companies

172,214Contacts tracked

83,710Verified emails

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The 25 largest debt issuance law firms worldwide

Ranked by team size

Top 25 of 7,934 debt issuance law firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to debt issuance 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	Kirkland & Ellis	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	5,001-10,000	8,449 contacts →
	Partial evidence “As one of the world’s leading law firms, we serve a broad range of clients with market-leading practices in private equity, M&A and other complex corporate transactions…” Source: RevenueBase Database · checked Sep 28, 2026
2	Skadden, Arps, Slate, Meagher & Flom LLP And Affiliates	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	4,540 contacts →
	Indirect evidence “Skadden, Arps, Slate, Meagher & Flom LLP and Affiliates delivers the highest quality advice and novel solutions to legal challenges, enabling clients to achieve their business…” Source: RevenueBase Database · checked Sep 28, 2026
3	Mayer Brown	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	4,177 contacts →
	Partial evidence “Mayer Brown is a leading international law firm, positioned to represent the world’s major corporations, funds and financial institutions in their most important and complex…” Source: RevenueBase Database · checked Sep 28, 2026
4	Gibson Dunn	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,735 contacts →
	Partial evidence “Gibson Dunn is a leading global law firm, advising clients on significant transactions and disputes.” Source: RevenueBase Database · checked Sep 28, 2026
5	Paul Hastings	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,045 contacts →
	Indirect evidence “With widely recognized elite teams in finance, mergers & acquisitions, private equity, restructuring and special situations, litigation, employment and real estate, Paul Hastings…” Source: RevenueBase Database · checked Sep 28, 2026
6	Morrison Foerster	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,667 contacts →
	Indirect evidence “Morrison Foerster transforms complexity into advantage.” Source: RevenueBase Database · checked Sep 28, 2026
7	Paul, Weiss, Rifkind, Wharton & Garrison LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,577 contacts →
	Partial evidence “Paul, Weiss, Rifkind, Wharton & Garrison LLP is a global law firm of more than 1,500 lawyers focused on helping clients navigate their most complex legal and business challenges.” Source: RevenueBase Database · checked Sep 28, 2026
8	Akin Gump Strauss Hauer & Feld LLP	Partial evidence	Washington, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,454 contacts →
	Partial evidence “Akin is a global law firm with more than 1,100 lawyers and advisors who pride themselves on dedication to their clients and their communities.” Source: RevenueBase Database · checked Sep 28, 2026
9	Arnold & Porter	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,333 contacts →
	Indirect evidence “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Source: RevenueBase Database · checked Sep 28, 2026
10	Dechert LLP	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,041 contacts →
	Partial evidence “Dechert is the law firm that helps business leaders lead.” Source: RevenueBase Database · checked Sep 28, 2026
11	Slaughter And MAY	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1,001-5,000	1,951 contacts →
	Partial evidence “Slaughter and May is regarded as one of the most prestigious law firms in the world.” Source: RevenueBase Database · checked Sep 28, 2026
12	Pillsbury Winthrop Shaw Pittman LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,949 contacts →
	Partial evidence “Pillsbury is one of the world’s foremost law firms, operating at the intersection of technology innovation, capital and government.” Source: RevenueBase Database · checked Sep 28, 2026
13	Venable LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,790 contacts →
	Partial evidence “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Source: RevenueBase Database · checked Sep 28, 2026
14	Clayton UTZ	Partial evidence	Sydney, AustraliaHQ checked Sep 28, 2026	1,001-5,000	1,787 contacts →
	Partial evidence “We are one of Australia's oldest and largest law firms, with offices in six cities, nearly 200 partners, and a full range of legal services for large private sector and government…” Source: RevenueBase Database · checked Sep 28, 2026
15	Vinson & Elkins	Partial evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,693 contacts →
	Partial evidence “Vinson & Elkins is a law firm of global distinction, working with leading companies on wide-ranging matters in key industries across the economy.” Source: RevenueBase Database · checked Sep 28, 2026
16	Ballard Spahr LLP	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,682 contacts →
	Partial evidence “Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Source: RevenueBase Database · checked Sep 28, 2026
17	Milbank LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	501-1,000	1,640 contacts →
	Partial evidence “Milbank is a premier international law firm handling high-profile, complex cases and business transactions through 11 offices worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
18	Fried Frank	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	501-1,000	1,584 contacts →
	Indirect evidence “Fried, Frank, Harris, Shriver & Jacobson LLP advises the world's leading corporations, investment funds and financial institutions on their most critical legal needs and business…” Source: RevenueBase Database · checked Sep 28, 2026
19	Haynes And Boone, LLP	Partial evidence	Dallas, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,558 contacts →
	Partial evidence “Haynes Boone is among the fastest-growing firms in the Am Law 100, providing full-service counsel across sectors, including corporate, energy, financial services, real estate…” Source: RevenueBase Database · checked Sep 28, 2026
20	Mattos Filho	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	1,001-5,000	1,553 contacts →
	Indirect evidence “Somos um dos escritórios de advocacia líderes do mercado brasileiro, estruturado para atender nossos clientes em mais de 45 áreas do Direito, de maneira coordenada e integrada.” Source: RevenueBase Database · checked Sep 28, 2026
21	Corrs Chambers Westgarth	Partial evidence	Sydney, AustraliaHQ checked Sep 28, 2026	1,001-5,000	1,506 contacts →
	Partial evidence “Corrs Chambers Westgarth is Australia’s leading independent law firm.” Source: RevenueBase Database · checked Sep 28, 2026
22	Katten Muchin Rosenman LLP	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,495 contacts →
	Partial evidence “Katten is a full-service law firm with nearly 650 attorneys in locations across the United States and in London and Shanghai.” Source: RevenueBase Database · checked Sep 28, 2026
23	Gilbert Tobin	Indirect evidence	Barangaroo, AustraliaHQ checked Sep 28, 2026	1,001-5,000	1,162 contacts →
	Indirect evidence “Gilbert + Tobin was founded on values of excellence, trust, respect, integrity and good corporate citizenship.” Source: RevenueBase Database · checked Sep 28, 2026
24	AZB & Partners	Indirect evidence	Mumbai, IndiaHQ checked Sep 28, 2026	501-1,000	1,128 contacts →
	Indirect evidence “AZB & Partners was founded in 2004 with a clear purpose to provide reliable, practical and full-service advice to clients, across all sectors.” Source: RevenueBase Database · checked Sep 28, 2026
25	A&l Goodbody LLP	Partial evidence	Dublin 1, IrelandHQ checked Sep 28, 2026	501-1,000	998 contacts →
	Partial evidence “A&L Goodbody is one of Ireland's leading corporate law firms.” Source: RevenueBase Database · checked Sep 28, 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: debt issuance 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 debt issuance law firms.
Partial evidence: Its own public description names part of debt issuance law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name debt issuance 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 25 of 7,934 debt issuance law firms worldwide

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Debt issuance law firms worldwide at a glance

As of Sep 28, 2026

48.6%Verified-email coverage

21.7Average contacts per company

1-10Median size (employees)

3.4%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

4,578

11-50

2,584

51-200

549

201-500

111

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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 debt issuance 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.
Coverage: Every country. Country and city lists for debt issuance law firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “debt issuance 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 debt issuance 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 debt issuance law firms, and records with no verified work email.
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, 83,710 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 28, 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.

Debt issuance law firms by location

71 lists · largest first

Every Debt issuance law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 debt issuance 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 debt issuance law firms are there worldwide?

RevenueBase identified 7,934 debt issuance law firms worldwide 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?

Kirkland & Ellis, headquartered in Chicago, tops this list with the largest team on record.

Which country has the most debt issuance law firms?

The United States leads with 1,432 companies, followed by Brazil (936) and India (404). Every debt issuance law firms list by country and city is linked on this page.

Which city has the most debt issuance law firms?

Sao Paulo leads with 270 headquartered companies, followed by Paris (201) and New York (148).

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 83,710 verified decision-maker contacts tracked across these 7,934 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 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 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.