Company lists · Data refreshed September 2026

Top 25 Compliance outsourcing law firms worldwide

RevenueBase identified 4,283 compliance outsourcing law firms worldwide as of September 2026 and tracks 35,888 professional contacts across them, including 10,458 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers compliance outsourcing 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 27, 2026. Country and city lists for compliance outsourcing 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 27, 2026 86% judged on-target in blind review
4,283Companies
35,888Contacts tracked
10,458Verified emails
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The 25 largest compliance outsourcing law firms worldwide

Ranked by team size
Top 25 of 4,283 compliance outsourcing law firms worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to compliance outsourcing 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceAustin, TX, United StatesHQ checked Sep 27, 20261,001-5,0003,678 contacts →

Partial evidence

“Integreon is a trusted provider of legal, creative and business outsourced services to corporations and law firms worldwide.”

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceMadurai, IndiaHQ checked Sep 27, 20261,001-5,0002,064 contacts →

Partial evidence

“Aparajitha: Revolutionising India's Regulatory Compliance Space With 25 years of experience, Aparajitha covers compliance for over establishments, factories, and 52 lakh contract…”

Source: RevenueBase Database · checked Sep 27, 2026
3Strong evidenceWashington, DC, United StatesHQ checked Sep 27, 20261,001-5,0001,790 contacts →

Strong 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 27, 2026
4Partial evidenceNew York, NY, United StatesHQ checked Sep 27, 20261,001-5,0001,043 contacts →

Partial evidence

“QuisLex is an award-winning alternative legal services provider (ALSP) helping corporate legal departments and law firms manage risk, control cost, and drive efficiency across…”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceAmsterdam, NetherlandsHQ checked Sep 27, 2026501-1,000799 contacts →

Indirect evidence

“Our clients, people and drive for quality are the energisers of our firm.”

Source: RevenueBase Database · checked Sep 27, 2026
6Strong evidenceNew York, NY, United StatesHQ checked Sep 27, 20261,001-5,000788 contacts →

Strong evidence

“CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceNew York, NY, United StatesHQ checked Sep 27, 2026501-1,000661 contacts →

Partial evidence

“LRN is the world's largest dedicated ethics and compliance company, educating and helping more than 30 million people each year worldwide navigate complex legal and regulatory…”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceSao Paulo, BrazilHQ checked Sep 27, 2026201-500518 contacts →

Indirect evidence

“Fundado em o Marcelo Tostes Advogados firmou-se como um escritório de advocacia empresarial de excelência.”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceCardiff, United KingdomHQ checked Sep 27, 20261,001-5,000453 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceMount Laurel, NJ, United StatesHQ checked Sep 27, 2026201-500364 contacts →

Partial evidence

“APA Engineering Inc has been a leader in providing Compliance, Engineering, IT, and Sourcing services since With over twenty years in business, we are dedicated to providing the…”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidencePhiladelphia, PA, United StatesHQ checked Sep 27, 2026201-500336 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidencePretoria East, South AfricaHQ checked Sep 27, 2026201-500330 contacts →

Indirect evidence

“We provide local and international businesses, ranging from SMME's to large organizations and across a broad spectrum of industries, with tailor-made strategies and solutions to…”

Source: RevenueBase Database · checked Sep 27, 2026
13Partial evidenceLondon, United KingdomHQ checked Sep 27, 2026201-500311 contacts →

Partial evidence

“GI Outsourcing is a UK-based accountants outsourcing firm.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceNew York City, NY, United StatesHQ checked Sep 27, 2026201-500308 contacts →

Partial evidence

“At Comply, we pride ourselves on being the champion for compliance professionals.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceLleida, SpainHQ checked Sep 27, 2026201-500267 contacts →

Indirect evidence

“En Laboral Group, ayudamos a las empresas a cumplir con la normativa vigente, mejorar su eficiencia operativa y crear entornos laborales seguros, inclusivos y adaptados a los…”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceHørsholm, DenmarkHQ checked Sep 27, 202651-200194 contacts →

Partial evidence

“Epista Life Science is a team of experts working at the intersection of business priorities and compliance requirements.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceUnited KingdomHQ checked Sep 27, 2026n/a193 contacts →

Partial evidence

“Compliance and Risk Services”

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidencePompano Beach, FL, United StatesHQ checked Sep 27, 2026201-500190 contacts →

Partial evidence

“At ComplyRight®, our mission is to empower employers by simplifying the complex world of employment law.”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceReston, VA, United StatesHQ checked Sep 27, 202651-200179 contacts →

Indirect evidence

“On May 1, 2026, NeoSystems Enterprise Solutions Group (ESG) was acquired by BlueStreet Solutions Inc.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceLondon, United KingdomHQ checked Sep 27, 202651-200171 contacts →

Partial evidence

“Alternative legal and compliance services developed by Eversheds Sutherland.”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceCity Of London, United KingdomHQ checked Sep 27, 202651-200141 contacts →

Partial evidence

“Intelligent compliance solutions for outcomes that matter* We offer complete compliance solutions to help financial services firms solve their regulatory challenges.”

Source: RevenueBase Database · checked Sep 27, 2026
22Partial evidenceBirmingham, AL, United StatesHQ checked Sep 27, 202651-200137 contacts →

Partial evidence

“Litigation, compliance and investigations: It's what we do, day in and day out.”

Source: RevenueBase Database · checked Sep 27, 2026
23Partial evidenceMumbai, IndiaHQ checked Sep 27, 202651-200133 contacts →

Partial evidence

“MZM Legal is a full-service law firm in India with a highly motivated team with two fully functional offices in the cities of Mumbai and New Delhi.”

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceKolkata, IndiaHQ checked Sep 27, 202651-200114 contacts →

Partial evidence

“Lexplosion is a leading legal tech organization providing legal compliance management, legal risk management, governance, regulatory audits, contract management and litigation…”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceNew York, NY, United StatesHQ checked Sep 27, 202651-200110 contacts →

Indirect evidence

“For over 40 years, DFP Partners has been a committed ally to Broker-Dealers, Registered Investment Advisers, and other financial services firms looking for accounting and…”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 4,283 compliance outsourcing law firms worldwide

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Compliance outsourcing law firms worldwide at a glance

As of Sep 27, 2026
29.1%Verified-email coverage
8.4Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · Sao Paulo
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
3,106
11-50
955
51-200
158
201-500
32
501-1,000
9
1,001-5,000
10
10001+
2

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 compliance outsourcing 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 compliance outsourcing law firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “compliance outsourcing 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 compliance outsourcing 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 compliance outsourcing 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, 10,458 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 27, 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.

Compliance outsourcing law firms by location

28 lists · largest first

Every Compliance outsourcing 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 compliance outsourcing 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 compliance outsourcing law firms are there worldwide?

RevenueBase identified 4,283 compliance outsourcing 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?

Integreon, headquartered in Austin, tops this list with the largest team on record.

Which country has the most compliance outsourcing law firms?

The United States leads with 719 companies, followed by India (603) and Brazil (395). Every compliance outsourcing law firms list by country and city is linked on this page.

Which city has the most compliance outsourcing law firms?

Sao Paulo leads with 113 headquartered companies, followed by New Delhi (92) and London (69).

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 10,458 verified decision-maker contacts tracked across these 4,283 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 27, 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.