Company lists · Data refreshed September 2026

Top 25 Investor relations consulting firms worldwide

Name: Investor relations consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 4,448 companies tracked

RevenueBase identified 4,448 company matches for investor relations consulting firms worldwide as of September 2026 and tracks 47,600 professional contacts across them, including 14,976 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for investor relations consulting firms 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 September 28, 2026. Country and city lists for investor relations consulting firms 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 Sep 28, 2026 How this list was built

4,448Companies

47,600Contacts tracked

14,976Verified emails

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The 25 largest investor relations consulting firms worldwide

Ranked by team size

Top 25 of 4,448 company matches for investor relations consulting firms worldwide, 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	Nerium International	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	n/a	5,567 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	TENEO	Exact match	New York City, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,930 contacts →
	Exact match “Teneo is the global CEO advisory firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Lincoln International	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,489 contacts →
	Exact match “Lincoln International, Inc.(NYSE: LCLN) is a trusted investment banking advisor to business owners and senior executives of leading private equity firms and their portfolio…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Riveron	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,160 contacts →
	Exact match “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Notified	Exact match	New York, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	959 contacts →
	Exact match “We are Notified, and your story goes here.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	ICR	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	693 contacts →
	Exact match “ICR is a strategic communications and advisory firm that helps management teams align how they communicate with how markets think.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Prosek Partners	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	543 contacts →
	Exact match “Prosek Partners builds – and protects – the top brands in business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Q4	Exact match	Toronto, ON, CanadaHQ recorded Sep 28, 2026	501-1,000	454 contacts →
	Exact match “Q4 Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Sodali & CO	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	431 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 · Sep 28, 2026 · View company records in RevenueBase
10	CFC BIG Ideas	Exact match	Kyiv, UkraineHQ recorded Sep 28, 2026	n/a	414 contacts →
	Exact match “СFC Big Ideas is a communications agency specializing in international projects, government relations & PR.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	DKC	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	349 contacts →
	Exact match “DKC is a full service public relations, marketing and government affairs firm and part of the Acceleration Community of Companies, Based in New York City, and with offices in Los…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	D.F. King & CO	Exact match	New York, United StatesHQ recorded Sep 28, 2026	501-1,000	290 contacts →
	Exact match “D.F.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	V360 Group	Exact match	Okhla, IndiaHQ recorded Sep 28, 2026	201-500	267 contacts →
	Exact match “Value 360 Communications is India’s first PR Company with a focussed approach for early stage business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Concept Communication LTD	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	201-500	245 contacts →
	Exact match “Concept has been ranked the No.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Edelman Smithfield	Exact match	London, United StatesHQ recorded Sep 28, 2026	201-500	233 contacts →
	Exact match “Edelman Smithfield is a financial communications boutique that specializes in the financial markets and special situations, serving clients in the United States, Canada, EMEA…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	PT Radana Finance TBK	Exact match	IndonesiaHQ recorded Sep 28, 2026	n/a	221 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Encender Comunicación S.A	Exact match	Ciudad Autónoma De Buenos Aires, ArgentinaHQ recorded Sep 28, 2026	51-200	195 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Kreab España	Exact match	Madrid, SpainHQ recorded Sep 28, 2026	51-200	188 contacts →
	Exact match “Kreab es una consultora de Comunicación y Asuntos Públicos fundada en Suecia en 1970.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	LCG Advisors	Exact match	Tampa, FL, United StatesHQ recorded Sep 28, 2026	51-200	181 contacts →
	Exact match “Maximizing Value.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Alliance Advisors	Exact match	Little Falls, NJ, United StatesHQ recorded Sep 28, 2026	51-200	177 contacts →
	Exact match “Alliance Advisors is an independent advisory firm focused on Shareholder Engagement & Solicitation, Compensation Advisory, Governance & Sustainability Advisory, M&A - Activism…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Stirrup Communication Consultants	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	51-200	176 contacts →
	Exact match “Stirrup Communication Consultants Pvt Ltd (Stirrup), previously known as AICL Communications Limited, is a corporate reporting, ESG, stakeholder communications consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Investor Group Services IGS	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	51-200	168 contacts →
	Exact match “For over 25 years, IGS has helped investors and management teams make better, faster decisions, from commercial due diligence, to growth strategy, pricing, and go-to-market…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Inkhouse, An Orchestra Company	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	51-200	152 contacts →
	Exact match “A strategic communications agency, Inkhouse partners with innovators who are creating new markets or disrupting old ones-crafting stories and meeting audiences where they are.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Media Mantra Global	Exact match	Gurgaon, IndiaHQ recorded Sep 28, 2026	51-200	152 contacts →
	Exact match “What started in 2012 as the vision of a group of young entrepreneurs has grown into India's first independent integrated communications agency with a presence across.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Ince PTY LTD	Exact match	Sandton, South AfricaHQ recorded Sep 28, 2026	51-200	149 contacts →
	Exact match “A trusted leader in investor marketing and stakeholder communications for over a century, we redefine excellence through strategic, integrated, innovative solutions for listed…” 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 “investor relations consulting 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 4,448 investor relations consulting firms worldwide

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Investor relations consulting firms worldwide at a glance

As of Sep 28, 2026

31.5%Verified-email coverage

10.7Average contacts per company

1-10Median size (employees)

5.6%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,170

11-50

1,048

51-200

157

201-500

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

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 investor relations consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “investor relations consulting 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. 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 14,976 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.

Investor relations consulting firms by location

36 lists · largest first

Every Investor relations consulting 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 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 “investor relations consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many investor relations consulting firms are there worldwide?

RevenueBase identified 4,448 company matches for investor relations consulting firms worldwide 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?

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

Which country has the most investor relations consulting firms?

The United States leads with 1,048 companies, followed by the United Kingdom (344) and Canada (221). Every investor relations consulting firms list by country and city is linked on this page.

Which city has the most investor relations consulting firms?

London leads with 248 company records, followed by New York (213) and Toronto (87).

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 14,976 professional contacts with verified work emails tracked across these 4,448 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.