Company lists · Data refreshed September 2026

Top 25 Conversation coaching services worldwide

RevenueBase identified 10,765 conversation coaching services worldwide as of September 2026 and tracks 35,822 professional contacts across them, including 4,035 with verified work emails. The United States is the largest market and London the largest hub.

This list covers conversation coaching services 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 19, 2026. Country and city lists for conversation coaching services 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 19, 2026 86% judged on-target in blind review
10,765Companies
35,822Contacts tracked
4,035Verified emails
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The 25 largest conversation coaching services worldwide

Ranked by team size
Top 25 of 10,765 conversation coaching services worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to conversation coaching services: 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
1Indirect evidenceMontclair, NJ, United StatesHQ checked Sep 19, 202651-200298 contacts →

Indirect evidence

“Own The Room® is the flagship communication training product line from LifeHikes.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceJakarta, IndonesiaHQ checked Sep 19, 2026201-500168 contacts →

Indirect evidence

“Lister provides language training tailored to meet business requirements, offering job-focused programs to enhance productivity, promote teamwork, and help individuals reach their…”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202611-50100 contacts →

Indirect evidence

“RADA Business supports people at work become brilliant communicators.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceKabupaten Sleman, IndonesiaHQ checked Sep 19, 2026n/a98 contacts →

Indirect evidence

“Banyak mahasiswa dan fresh graduate sebenarnya punya ide yang bagus, tapi kesulitan menyampaikannya dengan jelas dan percaya diri baik saat presentasi, diskusi kelas, maupun…”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceSão Paulo, BrazilHQ checked Sep 19, 202651-20091 contacts →

Indirect evidence

“Acrônimo de “State of The Art Presentations“, a SOAP é uma empresa especialista em comunicação para momentos decisivos.”

Source: RevenueBase Database · checked Sep 19, 2026
6Partial evidencePortsmouth, United KingdomHQ checked Sep 19, 202651-20073 contacts →

Partial evidence

“We are BTS Coach, the coaching practice of BTS, a global professional services firm headquartered in Stockholm, Sweden, with some 600 professionals in 33 offices located on six…”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 19, 202611-5068 contacts →

Indirect evidence

“We believe that better communication can transform the way people relate to each other and work together to achieve great things.”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceWalnut, CA, United StatesHQ checked Sep 19, 202611-5067 contacts →

Partial evidence

“Instant professional relationship coaching via phone or chat.”

Source: RevenueBase Database · checked Sep 19, 2026
9Partial evidenceHouston, TX, United StatesHQ checked Sep 19, 202611-5067 contacts →

Partial evidence

“Bring conversation practice to life!”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceSouth Jordan, UT, United StatesHQ checked Sep 19, 202611-5062 contacts →

Indirect evidence

“We coach your customer service representatives and team leaders through one-on-one virtual calls.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceBoulogne Billancourt, FranceHQ checked Sep 19, 2026n/a62 contacts →

Indirect evidence

“Leader français* de l'accompagnement et du perfectionnement en communication pour les dirigeants, cadres et managers.”

Source: RevenueBase Database · checked Sep 19, 2026
12Partial evidenceWalnut, CA, United StatesHQ checked Sep 19, 202611-5061 contacts →

Partial evidence

“With Lingo Live's customized Skills-Based Coaching program, you can empower your leaders to contribute their unique potential and drive performance through the power of one-on-one…”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 19, 202611-5058 contacts →

Indirect evidence

“Speakeasy helps professionals develop the communication that leadership demands.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceBruxelles, BelgiumHQ checked Sep 19, 2026n/a56 contacts →

Indirect evidence

“Un Soleil, deux univers!”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceAmsterdam, NetherlandsHQ checked Sep 19, 202611-5052 contacts →

Indirect evidence

“The English Center is a CEDEO-recognised provider of Business English and spoken communication training for international professionals.”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceJohannesburg, South AfricaHQ checked Sep 19, 202611-5048 contacts →

Indirect evidence

“Leading the Charge in Communication and Persuasion.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceSydney, AustraliaHQ checked Sep 19, 202611-5047 contacts →

Indirect evidence

“We believe in making a difference through mastering communication for influence.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidencePortland, OR, United StatesHQ checked Sep 19, 202611-5045 contacts →

Indirect evidence

“TPC transforms teams at the world’s top brands from data collectors into strategic communicators.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceAmersfoort, NetherlandsHQ checked Sep 19, 202611-5045 contacts →

Indirect evidence

“Mensen en organisaties communicatiever maken.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 2026n/a45 contacts →

Indirect evidence

“Talaera is a professional communication training and software company that helps global teams communicate clearly and confidently in English at work.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202611-5044 contacts →

Indirect evidence

“Working Voices is a niche consultancy teaching Interpersonal Communication Skills to Big Business.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceKarachi, PakistanHQ checked Sep 19, 202611-5044 contacts →

Indirect evidence

“Since 1991, Carnelian’s team members have been active across the length and breadth of Pakistan, adding value to organizations small and large, local and global, private and…”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceBengaluru, IndiaHQ checked Sep 19, 202611-5044 contacts →

Indirect evidence

“Organizations invest heavily in learning, leadership development, and capability building, yet most struggle to answer: Has performance improved?”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceFort Lauderdale, FL, United StatesHQ checked Sep 19, 202611-5043 contacts →

Indirect evidence

“Since 1969, Communispond has helped over client associates – including CEOs, board chairs, sales leaders, and a wide range of business executives – achieve business goals by…”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceBarcelona, SpainHQ checked Sep 19, 202611-5042 contacts →

Indirect evidence

“Humboldt, Business Communication Training, se estableció en 1986 en Barcelona con el objetivo de ofrecer servicios de formación de primera calidad para la comunicación empresarial…”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 10,765 conversation coaching services worldwide

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Conversation coaching services worldwide at a glance

As of Sep 19, 2026
11.3%Verified-email coverage
3.3Average contacts per company
1-10Median size (employees)
3.5%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
10,197
11-50
480
51-200
42
201-500
17
501-1,000
2
1,001-5,000
4
5,001-10,000
1
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 conversation coaching services, 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 conversation coaching services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “conversation coaching services”. 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 conversation coaching services), 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 conversation coaching services, 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, 4,035 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 19, 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.

Conversation coaching services by location

38 lists · largest first

Every Conversation coaching services 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 conversation coaching services, 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 conversation coaching services are there worldwide?

RevenueBase identified 10,765 conversation coaching services 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?

OWN The Room, headquartered in Montclair, tops this list with the largest team on record.

Which country has the most conversation coaching services?

The United States leads with 2,329 companies, followed by the United Kingdom (853) and France (747). Every conversation coaching services list by country and city is linked on this page.

Which city has the most conversation coaching services?

London leads with 374 headquartered companies, followed by Paris (210) and New York (153).

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 4,035 verified decision-maker contacts tracked across these 10,765 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 19, 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.