Company lists · Data refreshed November 2026

Top 25 Regulatory engagement advisors worldwide

RevenueBase identified 3,012 company matches for regulatory engagement advisors worldwide as of November 2026 and tracks 21,516 professional contacts across them, including 8,086 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for regulatory engagement advisors worldwide, 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 November 6, 2026. Country and city lists for regulatory engagement advisors follow the table.

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 Nov 6, 2026 How this list was built
3,012Companies
21,516Contacts tracked
8,086Verified emails
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The 25 largest regulatory engagement advisors worldwide

Ranked by team size
Top 25 of 3,012 company matches for regulatory engagement advisors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHong KongHQ recorded Nov 6, 20261,001-5,000993 contacts →

Exact match

“Acclime is a leading provider of professional services and business advisory across Asia Pacific, spanning accounting, tax, corporate compliance, and fund services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, United StatesHQ recorded Nov 6, 2026501-1,000452 contacts →

Exact match

“Sodali & Co advises corporate clients worldwide as they navigate the complex dynamic of shareholder and stakeholder interests.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200278 contacts →

Exact match

“Flint specialises in advising businesses and investors on how to navigate and surmount the policy, political, regulatory and competition challenges they face in European and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500227 contacts →

Exact match

“Portland is a consultancy specialising in public affairs, corporate affairs and geopolitics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Nov 6, 202651-200206 contacts →

Exact match

“Harmon is a strategic consulting firm that advises organizations on interpreting their environment and connecting with their stakeholders through non-market strategies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchQuébec, QC, CanadaHQ recorded Nov 6, 202651-200185 contacts →

Exact match

“Founded in September 2011, TACT Intelligence-conseil is composed of a group of experienced, professional communicators seeking to create a Québec-owned consulting agency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200172 contacts →

Exact match

“Invariant is a bipartisan business advisory firm, providing strategic advice to companies, trade associations, non-profits, and individuals on how to make Washington work for them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500169 contacts →

Exact match

“Hanover is an award-winning communications consultancy that advises enterprises, institutions, and individuals on rewiring their strategies for long-term success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew York, United StatesHQ recorded Nov 6, 2026501-1,000162 contacts →

Exact match

“We are now FGS Global.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 2026n/a153 contacts →

Exact match

“The Results Company creates winning communications and outreach strategies for businesses and organizations at the local, state and federal levels.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSingaporeHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“Vriens & Partners is Southeast Asia’s leading government affairs consultancy, with over 115 staff and 50 advisors across 9 offices in capitals around the region and in Washington…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBrasilia, BrazilHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“BMJ & Associates is a Brazilian consulting firm specialized in International Trade, Government Affairs, Tax Analysis, Strategic Communication and Regulatory Affairs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-200138 contacts →

Exact match

“Being right isn't enough.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchParis, FranceHQ recorded Nov 6, 202651-200137 contacts →

Exact match

“Agence indépendante, Babel œuvre à une communication corporate plus simple, plus sincère et plus excitante, qui met en résonance les stratégies et les transformations des…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026201-500133 contacts →

Exact match

“Edelman’s public and government affairs team of consultants are trusted and experienced public affairs advisors-including former government officials, political advisors, policy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-200131 contacts →

Exact match

“OCM is an Australasian SME advisory firm trusted by government and business to deliver clarity in complexity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNew Delhi, IndiaHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Founded in 2012, Aakhya India is an independent, full-service strategic public affairs consultancy firm specializing in policy advocacy, communications and public relations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-200124 contacts →

Exact match

“Opus Regulatory is a niche consulting firm headquartered in the Seaport district of Boston.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200119 contacts →

Exact match

“Black Sun Global is a stakeholder advisory and engagement agency that's been driving transformation and positive change for ambitious brands for more than 20 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200114 contacts →

Exact match

“Who We Are A talented team of experts with years of experience in both government and industry, with a passion for finding solutions and a deep understanding of the institutions…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLetchworth Garden City, United KingdomHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“Bringing your product to market is complex; DLRC helps simplify the journey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBrussels, BelgiumHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“Acumen Public Affairs is an independent consultancy set up in 2010 to combine the very best of big agency experience with hands-on senior support.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBrussels, BelgiumHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“We’re a team of solution finders, consensus builders, policy wonks, political navigators, debate shapers and policy movers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchParis, FranceHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Agence indépendante, Publicorp invente de nouvelles manières de s'adresser à vos "clients rois" avec Catch a King, notre approche "stratégies 100% utiles".”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchEmerging Markets, United StatesHQ recorded Nov 6, 2026201-50098 contacts →

Exact match

“Speyside Group | Government Affairs & Public Policy Advisory | Reputation | LATAM, Asia, EMEA | Emerging Markets | Regulatory & Political Risk Speyside is a leading corporate…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,012 regulatory engagement advisors worldwide

See the full list, filter by size, metro and specialty, and access 8,086 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Regulatory engagement advisors worldwide at a glance

As of Nov 6, 2026
37.6%Verified-email coverage
7.1Average contacts per company
1-10Median size (employees)
5.1%Largest-city concentration · Washington
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,311
11-50
583
51-200
72
201-500
10
501-1,000
11
1,001-5,000
1
5,001-10,000
1
10001+
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for regulatory engagement advisors are linked below.
What qualifies
Company records worldwide whose business descriptions match “regulatory engagement advisors” 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. 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 8,086 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 November 6, 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.

Regulatory engagement advisors by location

26 lists · largest first

Every Regulatory engagement advisors 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 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 “regulatory engagement advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many regulatory engagement advisors are there worldwide?

RevenueBase identified 3,012 company matches for regulatory engagement advisors worldwide as of November 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?

Acclime tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most regulatory engagement advisors?

The United States leads with 652 companies, followed by the United Kingdom (216) and Australia (190). Every regulatory engagement advisors list by country and city is linked on this page.

Which city has the most regulatory engagement advisors?

Washington leads with 154 company records, followed by London (122) and Paris (73).

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 8,086 professional contacts with verified work emails tracked across these 3,012 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 November 6, 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.