Company lists · Data refreshed November 2026
Top 25 Assertiveness training firms worldwide
RevenueBase identified 928 company matches for assertiveness training firms worldwide as of November 2026 and tracks 8,048 professional contacts across them, including 449 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for assertiveness training 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 November 6, 2026. Country and city lists for assertiveness training 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.
The 25 largest assertiveness training firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 131 contacts → | ||||
Exact match “Sandler | TEM Associates provides services designed to increase ability, confidence and effectiveness in dealing and communicating with other people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 63 contacts → | ||||
Exact match “Leader français* de l'accompagnement et du perfectionnement en communication pour les dirigeants, cadres et managers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 60 contacts → | ||||
Exact match “Het zijn je medewerkers die je organisatie succesvol maken.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 44 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 43 contacts → | ||||
Exact match “Working Voices is a niche consultancy teaching Interpersonal Communication Skills to Big Business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 40 contacts → | ||||
Exact match “Organizations invest heavily in learning, leadership development, and capability building, yet most struggle to answer: Has performance improved?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 27 contacts → | ||||
Exact match “Challenging, memorable and effective - our training uses a combination of demonstration, practical exercises and individual feedback.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 19 contacts → | ||||
Exact match “Wavelength provides effective communication skills training to individuals and organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “Develop personal impact power and communication skills of clients to be brand ambassadors, achieve their own and their organisations goals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Why The Human Edge?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “Intra Szkolenia i Rozwój to projekt, który realizujemy w ramach Ośrodka Pomocy i Edukacji Psychologicznej Intra.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “SpeakSmart is Estonia’s leading training and consultancy firm specializing in reasoned communication skills.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 14 contacts → | ||||
Exact match “O nosso propósito é ajudá-lo a tornar-se um grande comunicador, capaz de criar ligações fortes e de influenciar positivamente a sua equipa, parceiros e clientes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “At CommunicatingWorld, we specialize in delivering high-impact training workshops and executive coaching programs that elevate communication effectiveness across all levels of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “WHO WE ARE: Welcome to Innovative Formula.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 11 contacts → | ||||
Exact match “The Communication Center® produces clear, compelling communicators in real-world settings that test, shape and sharpen media, presentation, writing and social media skills.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 11 contacts → | ||||
Exact match “SpeechSkills is a California-based communication training company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 11 contacts → | ||||
Exact match “Imboorling laat jou en je team groeien door beter te communiceren.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 11 contacts → | ||||
Exact match “Mansal werkt voor iedereen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 11 contacts → | ||||
Exact match “Stop doubting yourself when writing an email or speaking in public.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 9 contacts → | ||||
Exact match “Hoi!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “We help leaders and teams master crucial conversation skills, strengthening relationships, maximising outcomes and ultimately, driving growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “The Graceworks team travels around the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 8 contacts → | ||||
Exact match “People power business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 8 contacts → | ||||
Exact match “Seit über 40 Jahren unterstützt das Königsteiner Dialog-Training® als einzigartiges Weiterbildungs- und Seminarkonzept Mitarbeitende, Auszubildende und Führungskräfte dabei, eine…” 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 “assertiveness training 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 928 assertiveness training firms worldwide
See the full list, filter by size, metro and specialty, and access 449 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Assertiveness training firms worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 assertiveness training firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “assertiveness training 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 449 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.
Assertiveness training firms by location
7 lists · largest firstEvery Assertiveness training firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Assertiveness training firms based in the United States124
- Assertiveness training firms based in the Netherlands90
- Assertiveness training firms based in France83
- Assertiveness training firms based in the United Kingdom81
- Assertiveness training firms based in Germany63
- Assertiveness training firms based in Australia26
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 “assertiveness training firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many assertiveness training firms are there worldwide?
RevenueBase identified 928 company matches for assertiveness training firms 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?
Sandler TEM Associates, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most assertiveness training firms?
The United States leads with 124 companies, followed by the Netherlands (90) and France (83). Every assertiveness training firms list by country and city is linked on this page.
Which city has the most assertiveness training firms?
London leads with 36 company records, followed by Paris (18) and New York (11).
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 449 professional contacts with verified work emails tracked across these 928 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.
Ready to reach these companies? Verified emails and direct dials for all 928 assertiveness training firms worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 assertiveness training firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 928 matching company records for assertiveness training firms worldwide, with 8,048 tracked contacts and 449 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 assertiveness training firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Sandler TEM Associates, INCtem.sandler.comHQ: West Hartford, NY, United StatesReported employees: Not recorded | West Hartford, NY, United States | Not recorded | Exact match | 131 contacts → |
“Sandler | TEM Associates provides services designed to increase ability, confidence and effectiveness in dealing and communicating with other people.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Personnalitépersonnalite.frHQ: Boulogne Billancourt, FranceReported employees: Not recorded | Boulogne Billancourt, France | Not recorded | Exact match | 63 contacts → |
“Leader français* de l'accompagnement et du perfectionnement en communication pour les dirigeants, cadres et managers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  BTR Trainingenbtrtrainingen.nlHQ: Hengelo, NetherlandsReported employees: 11-50 | Hengelo, Netherlands | 11-50 | Exact match | 60 contacts → |
“Het zijn je medewerkers die je organisatie succesvol maken.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Communispondcommunispond.comHQ: Fort Lauderdale, NY, United StatesReported employees: 11-50 | Fort Lauderdale, NY, United States | 11-50 | Exact match | 44 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Working Voicesworkingvoices.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 43 contacts → |
“Working Voices is a niche consultancy teaching Interpersonal Communication Skills to Big Business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Yzerlyyzerly.comHQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 40 contacts → |
“Organizations invest heavily in learning, leadership development, and capability building, yet most struggle to answer: Has performance improved?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Dramatic Resourcesdramaticresources.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 27 contacts → |
“Challenging, memorable and effective - our training uses a combination of demonstration, practical exercises and individual feedback.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Wavelength Trainingwavelength.training HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 19 contacts → |
“Wavelength provides effective communication skills training to individuals and organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  IE Groupiegroup.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 16 contacts → |
“Develop personal impact power and communication skills of clients to be brand ambassadors, achieve their own and their organisations goals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  The Human Edgehumanedge.co.zaHQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 15 contacts → |
“Why The Human Edge?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Intra Szkolenia I Rozwójintraszkolenia.plHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 14 contacts → |
“Intra Szkolenia i Rozwój to projekt, który realizujemy w ramach Ośrodka Pomocy i Edukacji Psychologicznej Intra.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Speaksmartspeaksmart.eeHQ: Tallinn, EstoniaReported employees: 11-50 | Tallinn, Estonia | 11-50 | Exact match | 14 contacts → |
“SpeakSmart is Estonia’s leading training and consultancy firm specializing in reasoned communication skills.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Carla Rocha Comunicaçãocarlarocha.ptHQ: Lisbon, PortugalReported employees: 1-10 | Lisbon, Portugal | 1-10 | Exact match | 14 contacts → |
“O nosso propósito é ajudá-lo a tornar-se um grande comunicador, capaz de criar ligações fortes e de influenciar positivamente a sua equipa, parceiros e clientes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Communicatingworld Communication-Skills Training & Coachingcommunicatingworld.comHQ: Jakarta, IndonesiaReported employees: 1-10 | Jakarta, Indonesia | 1-10 | Exact match | 13 contacts → |
“At CommunicatingWorld, we specialize in delivering high-impact training workshops and executive coaching programs that elevate communication effectiveness across all levels of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Innovative Formulainnovative-formula.comHQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 11 contacts → |
“WHO WE ARE: Welcome to Innovative Formula.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  The Communication Centerthecommunicationcenter.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 11 contacts → |
“The Communication Center® produces clear, compelling communicators in real-world settings that test, shape and sharpen media, presentation, writing and social media skills.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Speechskillsspeechskills.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 11 contacts → |
“SpeechSkills is a California-based communication training company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Imboorlingimboorling.beHQ: Melle, GermanyReported employees: 1-10 | Melle, Germany | 1-10 | Exact match | 11 contacts → |
“Imboorling laat jou en je team groeien door beter te communiceren.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Mansal B.Vmansal.nlHQ: Ah, NetherlandsReported employees: 1-10 | Ah, Netherlands | 1-10 | Exact match | 11 contacts → |
“Mansal werkt voor iedereen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Aces Learning HUBacesperformance.com.sgHQ: SingaporeReported employees: 1-10 | Singapore | 1-10 | Exact match | 11 contacts → |
“Stop doubting yourself when writing an email or speaking in public.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Supertrainersupertrainer.nlHQ: Leiden, NetherlandsReported employees: 11-50 | Leiden, Netherlands | 11-50 | Exact match | 9 contacts → |
“Hoi!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Bateman Communicationbatemancommunication.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 9 contacts → |
“We help leaders and teams master crucial conversation skills, strengthening relationships, maximising outcomes and ultimately, driving growth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Graceworks INCgraceworksinc.comHQ: New York, FL, United StatesReported employees: 11-50 | New York, FL, United States | 11-50 | Exact match | 9 contacts → |
“The Graceworks team travels around the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Dale Carnegie Training Polanddalecarnegiepoland.plHQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 8 contacts → |
“People power business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Königsteiner Akademiekoenigsteiner-akademie.deHQ: Königstein/taunus, GermanyReported employees: 11-50 | Königstein/taunus, Germany | 11-50 | Exact match | 8 contacts → |
“Seit über 40 Jahren unterstützt das Königsteiner Dialog-Training® als einzigartiges Weiterbildungs- und Seminarkonzept Mitarbeitende, Auszubildende und Führungskräfte dabei, eine…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 928 company matches
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Assertiveness training firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
926 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 928 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Assertiveness training firms by location
7 lists · largest firstEvery Assertiveness training firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Assertiveness training firms based in the United States124
- Assertiveness training firms based in the Netherlands90
- Assertiveness training firms based in France83
- Assertiveness training firms based in the United Kingdom81
- Assertiveness training firms based in Germany63
- Assertiveness training firms based in Australia26
Cities
Questions about this company list
What does Exact match mean for assertiveness training firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many assertiveness training firms did RevenueBase find worldwide?
The saved snapshot records 928 matching company records, 8,048 tracked contacts and 449 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 assertiveness training firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/assertiveness-training-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 assertiveness training firms worldwide
RevenueBase records 928 matching company records for assertiveness training firms worldwide, with 8,048 tracked contacts and 449 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 assertiveness training firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Sandler TEM Associates, INCtem.sandler.com HQ: West Hartford, NY, United StatesReported employees: Not recorded | West Hartford, NY, United States | Not recorded | Exact match | 131 contacts → |
“Sandler | TEM Associates provides services designed to increase ability, confidence and effectiveness in dealing and communicating with other people.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Personnalitépersonnalite.fr HQ: Boulogne Billancourt, FranceReported employees: Not recorded | Boulogne Billancourt, France | Not recorded | Exact match | 63 contacts → |
“Leader français* de l'accompagnement et du perfectionnement en communication pour les dirigeants, cadres et managers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | BTR Trainingenbtrtrainingen.nl HQ: Hengelo, NetherlandsReported employees: 11-50 | Hengelo, Netherlands | 11-50 | Exact match | 60 contacts → |
“Het zijn je medewerkers die je organisatie succesvol maken.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Communispondcommunispond.com HQ: Fort Lauderdale, NY, United StatesReported employees: 11-50 | Fort Lauderdale, NY, United States | 11-50 | Exact match | 44 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Working Voicesworkingvoices.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 43 contacts → |
“Working Voices is a niche consultancy teaching Interpersonal Communication Skills to Big Business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Yzerlyyzerly.com HQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 40 contacts → |
“Organizations invest heavily in learning, leadership development, and capability building, yet most struggle to answer: Has performance improved?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Dramatic Resourcesdramaticresources.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 27 contacts → |
“Challenging, memorable and effective - our training uses a combination of demonstration, practical exercises and individual feedback.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Wavelength Trainingwavelength.training HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 19 contacts → |
“Wavelength provides effective communication skills training to individuals and organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | IE Groupiegroup.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 16 contacts → |
“Develop personal impact power and communication skills of clients to be brand ambassadors, achieve their own and their organisations goals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | The Human Edgehumanedge.co.za HQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 15 contacts → |
“Why The Human Edge?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Intra Szkolenia I Rozwójintraszkolenia.pl HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 14 contacts → |
“Intra Szkolenia i Rozwój to projekt, który realizujemy w ramach Ośrodka Pomocy i Edukacji Psychologicznej Intra.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Speaksmartspeaksmart.ee HQ: Tallinn, EstoniaReported employees: 11-50 | Tallinn, Estonia | 11-50 | Exact match | 14 contacts → |
“SpeakSmart is Estonia’s leading training and consultancy firm specializing in reasoned communication skills.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Carla Rocha Comunicaçãocarlarocha.pt HQ: Lisbon, PortugalReported employees: 1-10 | Lisbon, Portugal | 1-10 | Exact match | 14 contacts → |
“O nosso propósito é ajudá-lo a tornar-se um grande comunicador, capaz de criar ligações fortes e de influenciar positivamente a sua equipa, parceiros e clientes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Communicatingworld Communication-Skills Training & Coachingcommunicatingworld.com HQ: Jakarta, IndonesiaReported employees: 1-10 | Jakarta, Indonesia | 1-10 | Exact match | 13 contacts → |
“At CommunicatingWorld, we specialize in delivering high-impact training workshops and executive coaching programs that elevate communication effectiveness across all levels of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Innovative Formulainnovative-formula.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 11 contacts → |
“WHO WE ARE: Welcome to Innovative Formula.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | The Communication Centerthecommunicationcenter.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 11 contacts → |
“The Communication Center® produces clear, compelling communicators in real-world settings that test, shape and sharpen media, presentation, writing and social media skills.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Speechskillsspeechskills.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 11 contacts → |
“SpeechSkills is a California-based communication training company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Imboorlingimboorling.be HQ: Melle, GermanyReported employees: 1-10 | Melle, Germany | 1-10 | Exact match | 11 contacts → |
“Imboorling laat jou en je team groeien door beter te communiceren.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Mansal B.Vmansal.nl HQ: Ah, NetherlandsReported employees: 1-10 | Ah, Netherlands | 1-10 | Exact match | 11 contacts → |
“Mansal werkt voor iedereen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Aces Learning HUBacesperformance.com.sg HQ: SingaporeReported employees: 1-10 | Singapore | 1-10 | Exact match | 11 contacts → |
“Stop doubting yourself when writing an email or speaking in public.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Supertrainersupertrainer.nl HQ: Leiden, NetherlandsReported employees: 11-50 | Leiden, Netherlands | 11-50 | Exact match | 9 contacts → |
“Hoi!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Bateman Communicationbatemancommunication.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 9 contacts → |
“We help leaders and teams master crucial conversation skills, strengthening relationships, maximising outcomes and ultimately, driving growth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Graceworks INCgraceworksinc.com HQ: New York, FL, United StatesReported employees: 11-50 | New York, FL, United States | 11-50 | Exact match | 9 contacts → |
“The Graceworks team travels around the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Dale Carnegie Training Polanddalecarnegiepoland.pl HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 8 contacts → |
“People power business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Königsteiner Akademiekoenigsteiner-akademie.de HQ: Königstein/taunus, GermanyReported employees: 11-50 | Königstein/taunus, Germany | 11-50 | Exact match | 8 contacts → |
“Seit über 40 Jahren unterstützt das Königsteiner Dialog-Training® als einzigartiges Weiterbildungs- und Seminarkonzept Mitarbeitende, Auszubildende und Führungskräfte dabei, eine…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Assertiveness training firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
926 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 928 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Assertiveness training firms by location
7 lists · largest firstEvery Assertiveness training firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Assertiveness training firms based in the United States124
- Assertiveness training firms based in the Netherlands90
- Assertiveness training firms based in France83
- Assertiveness training firms based in the United Kingdom81
- Assertiveness training firms based in Germany63
- Assertiveness training firms based in Australia26
Cities
Questions about this company list
What does Exact match mean for assertiveness training firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many assertiveness training firms did RevenueBase find worldwide?
The saved snapshot records 928 matching company records, 8,048 tracked contacts and 449 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 assertiveness training firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/assertiveness-training-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗