Company lists · Data refreshed November 2026
Top 25 Internal messaging platforms worldwide
RevenueBase identified 846 company matches for internal messaging platforms worldwide as of November 2026 and tracks 14,394 professional contacts across them, including 2,683 with verified work emails. The United States is the largest market and San Francisco the largest hub.
This list covers company matches for internal messaging platforms 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 5, 2026. Country and city lists for internal messaging platforms 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 internal messaging platforms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,639 contacts → | ||||
Exact match “Slack is on a mission to make people's working lives simpler, more pleasant and more productive.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 919 contacts → | ||||
Exact match “Café helps enterprises drive collaboration, engagement, and cohesion through real-world interactions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 760 contacts → | ||||
Exact match “Rakuten Viber is one of the most trusted and downloaded apps in the world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 675 contacts → | ||||
Exact match “At Humand, we empower companies to digitize their internal communication, culture, and HR processes in one unified platform, recognizing that the future of mid market and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 509 contacts → | ||||
Exact match “Workshop is a modern, purpose-built internal communications platform that helps teams create, send, manage, and measure employee communications in one place, starting with email…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 484 contacts → | ||||
Exact match “Connect your people, places, and spaces.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 401 contacts → | ||||
Exact match “At Cybozu, our mission is to build a society brimming with teamwork.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 283 contacts → | ||||
Exact match “Enrich Money is a reputable company in the Wealth-Tech sector, offering a comprehensive investment and trading platform named ORCA that is accessible through both web and mobile…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 255 contacts → | ||||
Exact match “The Firstup Intelligent Communication Platform equips organizations to improve productivity, retention, labor efficiency, safety compliance, and revenue performance by activating…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 240 contacts → | ||||
Exact match “Haiilo is a digital home for employees, bringing together social intranet, internal communications, advocacy, and insights in one easy-to-use platform.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 227 contacts → | ||||
Exact match “Beekeeper is now part of LumApps.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 198 contacts → | ||||
Exact match “Auronix is a communications platform as a service (CPaaS) provider based in Mexico City.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 186 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 177 contacts → | ||||
Exact match “Lark is a new take on the office suite that is transforming workplace collaboration.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 162 contacts → | ||||
Exact match “Bringing all employees together through one common medium.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 110 contacts → | ||||
Exact match “The business version of LINE, LINE WORKS, is a communication solution with features that meet every business need including Message, Calendar, Board, and video conferencing.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 96 contacts → | ||||
Exact match “Fuze is a global cloud communications and collaboration software platform for the enterprise that was acquired by 8x8.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 91 contacts → | ||||
Exact match “Finishing your product shouldn’t be harder than building it.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 90 contacts → | ||||
Exact match “Since 2005, we have been developing global cloud communications platforms CPaaS that empower companies to build and grow lasting relationships with their audiences across multiple…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 77 contacts → | ||||
Exact match “Business Class Team Texting to help Sales and Service Teams!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 77 contacts → | ||||
Exact match “Mio is a secure middleware that unlocks cross-platform messaging, file sharing, and meeting initiation for enterprise organizations that use Google Workspace and Microsoft 365…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 69 contacts → | ||||
Exact match “Doist is a global pioneer of distributed work, building simple yet powerful tools that help people unlock their full potential.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 63 contacts → | ||||
Exact match “Swit is every team's work hub that consolidates collaboration essentials in one place - task, chat, goals, approvals, and integrations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 60 contacts → | ||||
Exact match “Whispir reimagines communications with automated workflows so that organisations can easily master connection and engagement with people.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 59 contacts → | ||||
Exact match “Somos a Dialog, plataforma líder em comunicação interna no Brasil.> 2º lugar na categoria ScaleUp no ranking de Engajamento, Performance e Cultura do 100 Open Startups 2024, sendo…” Recorded in the RevenueBase company graph · Nov 5, 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 “internal messaging platforms”. 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 846 internal messaging platforms worldwide
See the full list, filter by size, metro and specialty, and access 2,683 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Internal messaging platforms worldwide at a glance
As of Nov 5, 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 internal messaging platforms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “internal messaging platforms” 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 2,683 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 5, 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.
Internal messaging platforms by location
6 lists · largest firstEvery Internal messaging platforms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Internal messaging platforms based in the United States213
- Internal messaging platforms based in India58
- Internal messaging platforms based in the United Kingdom46
- Internal messaging platforms based in Brazil28
- Internal messaging platforms based in Germany26
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 “internal messaging platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many internal messaging platforms are there worldwide?
RevenueBase identified 846 company matches for internal messaging platforms 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?
SLACK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most internal messaging platforms?
The United States leads with 213 companies, followed by India (58) and the United Kingdom (46). Every internal messaging platforms list by country and city is linked on this page.
Which city has the most internal messaging platforms?
San Francisco leads with 32 company records, followed by London (24) and New York (16).
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 2,683 professional contacts with verified work emails tracked across these 846 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 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 846 internal messaging platforms worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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 internal messaging platforms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 846 matching company records for internal messaging platforms worldwide, with 14,394 tracked contacts and 2,683 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 5, 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 internal messaging platforms 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 |  SLACKslack.comHQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 2,639 contacts → |
“Slack is on a mission to make people's working lives simpler, more pleasant and more productive.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Café YC S21at.cafeHQ: NY, United StatesReported employees: Not recorded | NY, United States | Not recorded | Exact match | 919 contacts → |
“Café helps enterprises drive collaboration, engagement, and cohesion through real-world interactions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Rakuten Viberforbusiness.viber.comHQ: LuxembourgReported employees: 501-1,000 | Luxembourg | 501-1,000 | Exact match | 760 contacts → |
“Rakuten Viber is one of the most trusted and downloaded apps in the world.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Humandhumand.coHQ: San Francisco, United StatesReported employees: 501-1,000 | San Francisco, United States | 501-1,000 | Exact match | 675 contacts → |
“At Humand, we empower companies to digitize their internal communication, culture, and HR processes in one unified platform, recognizing that the future of mid market and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Workshopuseworkshop.comHQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 509 contacts → |
“Workshop is a modern, purpose-built internal communications platform that helps teams create, send, manage, and measure employee communications in one place, starting with email…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Appspaceappspace.comHQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 484 contacts → |
“Connect your people, places, and spaces.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Cybozu, INCcybozu.co.jpHQ: 東京都中央区, JapanReported employees: 501-1,000 | 東京都中央区, Japan | 501-1,000 | Exact match | 401 contacts → |
“At Cybozu, our mission is to build a society brimming with teamwork.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Enrich Moneywhatsapp.comHQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 283 contacts → |
“Enrich Money is a reputable company in the Wealth-Tech sector, offering a comprehensive investment and trading platform named ORCA that is accessible through both web and mobile…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Firstupfirstup.ioHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 255 contacts → |
“The Firstup Intelligent Communication Platform equips organizations to improve productivity, retention, labor efficiency, safety compliance, and revenue performance by activating…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Haiilohaiilo.comHQ: Hamburg, GermanyReported employees: 201-500 | Hamburg, Germany | 201-500 | Exact match | 240 contacts → |
“Haiilo is a digital home for employees, bringing together social intranet, internal communications, advocacy, and insights in one easy-to-use platform.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Beekeeper By Lumappslumapps.comHQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 227 contacts → |
“Beekeeper is now part of LumApps.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Auronixauronix.comHQ: Miguel Hidalgo, MexicoReported employees: 51-200 | Miguel Hidalgo, Mexico | 51-200 | Exact match | 198 contacts → |
“Auronix is a communications platform as a service (CPaaS) provider based in Mexico City.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | THLtexts.com HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 186 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  LARKlarksuite.comHQ: SingaporeReported employees: 1,001-5,000 | Singapore | 1,001-5,000 | Exact match | 177 contacts → |
“Lark is a new take on the office suite that is transforming workplace collaboration.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Quantum Terminals Limitedquantumterminals.comHQ: GhanaReported employees: 1,001-5,000 | Ghana | 1,001-5,000 | Exact match | 162 contacts → |
“Bringing all employees together through one common medium.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Line Worksline-works.comHQ: 渋谷区, JapanReported employees: 51-200 | 渋谷区, Japan | 51-200 | Exact match | 110 contacts → |
“The business version of LINE, LINE WORKS, is a communication solution with features that meet every business need including Message, Calendar, Board, and video conferencing.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fuze An 8x8 Company8x8.comHQ: Boston, United StatesReported employees: 501-1,000 | Boston, United States | 501-1,000 | Exact match | 96 contacts → |
“Fuze is a global cloud communications and collaboration software platform for the enterprise that was acquired by 8x8.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cometchatcometchat.comHQ: Denver, United StatesReported employees: 51-200 | Denver, United States | 51-200 | Exact match | 91 contacts → |
“Finishing your product shouldn’t be harder than building it.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Vercom S.Avercom.plHQ: Poznań, PolandReported employees: 201-500 | Poznań, Poland | 201-500 | Exact match | 90 contacts → |
“Since 2005, we have been developing global cloud communications platforms CPaaS that empower companies to build and grow lasting relationships with their audiences across multiple…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Beetextingagent.beetexting.comHQ: Bloomington, IL, United StatesReported employees: 11-50 | Bloomington, IL, United States | 11-50 | Exact match | 77 contacts → |
“Business Class Team Texting to help Sales and Service Teams!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  MIOm.ioHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 77 contacts → |
“Mio is a secure middleware that unlocks cross-platform messaging, file sharing, and meeting initiation for enterprise organizations that use Google Workspace and Microsoft 365…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  DOISTdoist.comHQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 69 contacts → |
“Doist is a global pioneer of distributed work, building simple yet powerful tools that help people unlock their full potential.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  SWITswit.ioHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 63 contacts → |
“Swit is every team's work hub that consolidates collaboration essentials in one place - task, chat, goals, approvals, and integrations.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Whispirwhispir.comHQ: Melbourne, United StatesReported employees: 51-200 | Melbourne, United States | 51-200 | Exact match | 60 contacts → |
“Whispir reimagines communications with automated workflows so that organisations can easily master connection and engagement with people.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Dialogdialog.ciHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 59 contacts → |
“Somos a Dialog, plataforma líder em comunicação interna no Brasil.> 2º lugar na categoria ScaleUp no ranking de Engajamento, Performance e Cultura do 100 Open Startups 2024, sendo…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 846 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Internal messaging platforms: dataset insights
November 5, 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
842 records in the displayed employee bands.
4 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 846 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 5, 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 ↗
Internal messaging platforms by location
6 lists · largest firstEvery Internal messaging platforms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Internal messaging platforms based in the United States213
- Internal messaging platforms based in India58
- Internal messaging platforms based in the United Kingdom46
- Internal messaging platforms based in Brazil28
- Internal messaging platforms based in Germany26
Cities
Questions about this company list
What does Exact match mean for internal messaging platforms?
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 internal messaging platforms did RevenueBase find worldwide?
The saved snapshot records 846 matching company records, 14,394 tracked contacts and 2,683 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 5, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 internal messaging platforms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/internal-messaging-platforms.
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 internal messaging platforms worldwide
RevenueBase records 846 matching company records for internal messaging platforms worldwide, with 14,394 tracked contacts and 2,683 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 5, 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 internal messaging platforms 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 | SLACKslack.com HQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 2,639 contacts → |
“Slack is on a mission to make people's working lives simpler, more pleasant and more productive.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Café YC S21at.cafe HQ: NY, United StatesReported employees: Not recorded | NY, United States | Not recorded | Exact match | 919 contacts → |
“Café helps enterprises drive collaboration, engagement, and cohesion through real-world interactions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Rakuten Viberforbusiness.viber.com HQ: LuxembourgReported employees: 501-1,000 | Luxembourg | 501-1,000 | Exact match | 760 contacts → |
“Rakuten Viber is one of the most trusted and downloaded apps in the world.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Humandhumand.co HQ: San Francisco, United StatesReported employees: 501-1,000 | San Francisco, United States | 501-1,000 | Exact match | 675 contacts → |
“At Humand, we empower companies to digitize their internal communication, culture, and HR processes in one unified platform, recognizing that the future of mid market and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Workshopuseworkshop.com HQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 509 contacts → |
“Workshop is a modern, purpose-built internal communications platform that helps teams create, send, manage, and measure employee communications in one place, starting with email…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Appspaceappspace.com HQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 484 contacts → |
“Connect your people, places, and spaces.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cybozu, INCcybozu.co.jp HQ: 東京都中央区, JapanReported employees: 501-1,000 | 東京都中央区, Japan | 501-1,000 | Exact match | 401 contacts → |
“At Cybozu, our mission is to build a society brimming with teamwork.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Enrich Moneywhatsapp.com HQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 283 contacts → |
“Enrich Money is a reputable company in the Wealth-Tech sector, offering a comprehensive investment and trading platform named ORCA that is accessible through both web and mobile…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Firstupfirstup.io HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 255 contacts → |
“The Firstup Intelligent Communication Platform equips organizations to improve productivity, retention, labor efficiency, safety compliance, and revenue performance by activating…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Haiilohaiilo.com HQ: Hamburg, GermanyReported employees: 201-500 | Hamburg, Germany | 201-500 | Exact match | 240 contacts → |
“Haiilo is a digital home for employees, bringing together social intranet, internal communications, advocacy, and insights in one easy-to-use platform.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Beekeeper By Lumappslumapps.com HQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 227 contacts → |
“Beekeeper is now part of LumApps.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Auronixauronix.com HQ: Miguel Hidalgo, MexicoReported employees: 51-200 | Miguel Hidalgo, Mexico | 51-200 | Exact match | 198 contacts → |
“Auronix is a communications platform as a service (CPaaS) provider based in Mexico City.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | THLtexts.com HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 186 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | LARKlarksuite.com HQ: SingaporeReported employees: 1,001-5,000 | Singapore | 1,001-5,000 | Exact match | 177 contacts → |
“Lark is a new take on the office suite that is transforming workplace collaboration.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Quantum Terminals Limitedquantumterminals.com HQ: GhanaReported employees: 1,001-5,000 | Ghana | 1,001-5,000 | Exact match | 162 contacts → |
“Bringing all employees together through one common medium.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Line Worksline-works.com HQ: 渋谷区, JapanReported employees: 51-200 | 渋谷区, Japan | 51-200 | Exact match | 110 contacts → |
“The business version of LINE, LINE WORKS, is a communication solution with features that meet every business need including Message, Calendar, Board, and video conferencing.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fuze An 8x8 Company8x8.com HQ: Boston, United StatesReported employees: 501-1,000 | Boston, United States | 501-1,000 | Exact match | 96 contacts → |
“Fuze is a global cloud communications and collaboration software platform for the enterprise that was acquired by 8x8.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cometchatcometchat.com HQ: Denver, United StatesReported employees: 51-200 | Denver, United States | 51-200 | Exact match | 91 contacts → |
“Finishing your product shouldn’t be harder than building it.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Vercom S.Avercom.pl HQ: Poznań, PolandReported employees: 201-500 | Poznań, Poland | 201-500 | Exact match | 90 contacts → |
“Since 2005, we have been developing global cloud communications platforms CPaaS that empower companies to build and grow lasting relationships with their audiences across multiple…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Beetextingagent.beetexting.com HQ: Bloomington, IL, United StatesReported employees: 11-50 | Bloomington, IL, United States | 11-50 | Exact match | 77 contacts → |
“Business Class Team Texting to help Sales and Service Teams!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | MIOm.io HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 77 contacts → |
“Mio is a secure middleware that unlocks cross-platform messaging, file sharing, and meeting initiation for enterprise organizations that use Google Workspace and Microsoft 365…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | DOISTdoist.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 69 contacts → |
“Doist is a global pioneer of distributed work, building simple yet powerful tools that help people unlock their full potential.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SWITswit.io HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 63 contacts → |
“Swit is every team's work hub that consolidates collaboration essentials in one place - task, chat, goals, approvals, and integrations.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Whispirwhispir.com HQ: Melbourne, United StatesReported employees: 51-200 | Melbourne, United States | 51-200 | Exact match | 60 contacts → |
“Whispir reimagines communications with automated workflows so that organisations can easily master connection and engagement with people.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Dialogdialog.ci HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 59 contacts → |
“Somos a Dialog, plataforma líder em comunicação interna no Brasil.> 2º lugar na categoria ScaleUp no ranking de Engajamento, Performance e Cultura do 100 Open Startups 2024, sendo…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 846 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Internal messaging platforms: dataset insights
November 5, 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
842 records in the displayed employee bands.
4 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 846 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 5, 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 ↗
Internal messaging platforms by location
6 lists · largest firstEvery Internal messaging platforms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Internal messaging platforms based in the United States213
- Internal messaging platforms based in India58
- Internal messaging platforms based in the United Kingdom46
- Internal messaging platforms based in Brazil28
- Internal messaging platforms based in Germany26
Cities
Questions about this company list
What does Exact match mean for internal messaging platforms?
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 internal messaging platforms did RevenueBase find worldwide?
The saved snapshot records 846 matching company records, 14,394 tracked contacts and 2,683 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 5, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 internal messaging platforms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/internal-messaging-platforms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗