Company lists · Data refreshed November 2026

Top 25 Communication consulting and implementation services providers worldwide

Name: Communication consulting and implementation services providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 96,680 companies tracked

RevenueBase identified 96,680 company matches for communication consulting and implementation services providers worldwide as of November 2026 and tracks 672,208 professional contacts across them, including 134,039 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for communication consulting and implementation services providers 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 communication consulting and implementation services providers 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

96,680Companies

672,208Contacts tracked

134,039Verified emails

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The 25 largest communication consulting and implementation services providers worldwide

Ranked by team size

Top 25 of 96,680 company matches for communication consulting and implementation services providers 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Publicis Groupe	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	20,192 contacts →
	Exact match “Founded in 1926 by Marcel Bleustein-Blanchet, today Publicis Groupe is one of the largest communications groups in the world and a leader in marketing, communication, and digital…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Idol Image Consulting	Exact match	Kula, HI, TürkiyeHQ recorded Nov 6, 2026	n/a	12,972 contacts →
	Exact match “IDOL Image Consulting has developed strategies to help individuals, groups or corporate organizations face today’s challenges and fierce competition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Kearney	Exact match	Chicago, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,451 contacts →
	Exact match “As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Wavestone	Exact match	100-101 Terrasse Boieldieu, FranceHQ recorded Nov 6, 2026	1,001-5,000	6,512 contacts →
	Exact match “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Eficacia	Exact match	Cali, ColombiaHQ recorded Nov 6, 2026	10001+	5,573 contacts →
	Exact match “Incrementamos la productividad y eficiencia de nuestros clientes- Más de 40 años de experiencia en el mercado- Líderes en Soluciones de Mercadeo, Trade Marketing, Ventas y Gestión…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Strategy	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	5,343 contacts →
	Exact match “From strategy to execution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Amaris Consulting Part Of Mantu	Exact match	Chêne-bourg, SwitzerlandHQ recorded Nov 6, 2026	5,001-10,000	5,223 contacts →
	Exact match “Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Management Solutions	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	1,001-5,000	4,730 contacts →
	Exact match “Management Solutions is a leading provider of business consulting services for regulated industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Alten Italia	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	1,001-5,000	3,042 contacts →
	Exact match “Il Gruppo ALTEN, leader europeo nella consulenza per le tecnologie avanzate in campo ingegneristico e ICT, è quotato alla Borsa di Parigi e vanta più di 57.700 collaboratori in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Diversified	Exact match	Plano, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,744 contacts →
	Exact match “At Diversified, we leverage the best in technology and ongoing advisory services to transform businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Frost & Sullivan	Exact match	San Antonio, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,542 contacts →
	Exact match “For over six decades, Frost & Sullivan has helped the world’s top companies toward transformational growth journeys that result in a stream of innovative growth opportunities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Improfit	Exact match	Montevideo, UruguayHQ recorded Nov 6, 2026	n/a	1,851 contacts →
	Exact match “Improfit es una agencia de comunicación corporativa y organizacional fundada en en Montevideo, Uruguay.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Qintess	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,850 contacts →
	Exact match “Experts in digital acceleration and business transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Consid	Exact match	Jönköping, SwedenHQ recorded Nov 6, 2026	1,001-5,000	1,793 contacts →
	Exact match “We are one of the fastest growing companies, providing comprehensive solutions in IT, business development, and communication.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	MCA	Exact match	Westport, CT, United StatesHQ recorded Nov 6, 2026	n/a	1,709 contacts →
	Exact match “MCAworks is a strategic marketing consulting firm passionately dedicated to helping our clients accelerate and sustain business growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	P3	Exact match	Stuttgart, GermanyHQ recorded Nov 6, 2026	1,001-5,000	1,580 contacts →
	Exact match “P3 group is an independent, owner-managed technology and management consulting group founded in 1996.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Grazitti Interactive	Exact match	Mountain View, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,568 contacts →
	Exact match “Grazitti Interactive is a digital innovation leader with offices in India, USA, Australia, and Singapore.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Sofrecom Tunisie	Exact match	Tunis, TunisiaHQ recorded Nov 6, 2026	1,001-5,000	1,479 contacts →
	Exact match “Sofrecom, filiale du groupe France Télécom - Orange, a développé depuis plus de 45 ans un savoir-faire unique dans les métiers de l’opérateur, qui en fait aujourd’hui l’un des…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Trace3	Exact match	Irvine, MI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,431 contacts →
	Exact match “Trace3 delivers business transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	FSB Comunicação	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	501-1,000	1,387 contacts →
	Exact match “FSB Comunicações is an Integrated Communications agency focused on results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Intellera Consulting	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	1,001-5,000	1,263 contacts →
	Exact match “Intellera Consulting is a consulting company born from the buyout management of the PwC Public administration and Healthcare branch.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	GMS	Exact match	Lisbon, PortugalHQ recorded Nov 6, 2026	201-500	1,235 contacts →
	Exact match “GMS was established in early 2003 to provide strategic, business and IT consulting and changed its name to Maksen in December 2010.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	EXL Services LTD	Exact match	n/a	n/a	1,207 contacts →
	Exact match “Established in 1994, we provide a blend of business strategy, marketing services, behavioural change and executive coaching services and techniques to help grow the business of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Capitole	Exact match	Barcelona, SpainHQ recorded Nov 6, 2026	1,001-5,000	1,170 contacts →
	Exact match “Who are we?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Accenture Greece	Exact match	Kifisia, GreeceHQ recorded Nov 6, 2026	1,001-5,000	1,169 contacts →
	Exact match “Η Accenture είναι ηγέτιδα εταιρεία παροχής συμβουλευτικών υπηρεσιών σε παγκόσμιο επίπεδο, δημιουργώντας απτή αξία με ταχύτητα και σε μεγάλη κλίμακα.” Recorded in the RevenueBase company graph · Nov 6, 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 “communication consulting and implementation services providers”. 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 96,680 communication consulting and implementation services providers worldwide

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Communication consulting and implementation services providers worldwide at a glance

As of Nov 6, 2026

19.9%Verified-email coverage

7.0Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

74,353

11-50

17,494

51-200

3,203

201-500

639

501-1,000

165

1,001-5,000

123

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 communication consulting and implementation services providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “communication consulting and implementation services providers” 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 134,039 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.

Communication consulting and implementation services providers by location

399 lists · largest first

Every Communication consulting and implementation services providers 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 “communication consulting and implementation services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many communication consulting and implementation services providers are there worldwide?

RevenueBase identified 96,680 company matches for communication consulting and implementation services providers 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?

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

Which country has the most communication consulting and implementation services providers?

The United States leads with 15,995 companies, followed by France (5,828) and Brazil (5,716). Every communication consulting and implementation services providers list by country and city is linked on this page.

Which city has the most communication consulting and implementation services providers?

Sao Paulo leads with 1640 company records, followed by Paris (1472) and London (1467).

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 134,039 professional contacts with verified work emails tracked across these 96,680 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.