Company lists · Data refreshed September 2026

Top 25 Team communication platforms companies worldwide

RevenueBase identified 483 team communication platforms companies worldwide as of September 2026 and tracks 24,195 professional contacts across them, including 5,735 with verified work emails and 4,976 with mobile numbers. The United States is the largest market and San Francisco the largest hub.

This list covers team communication platforms companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 6, 2026. Country and city lists for team communication platforms companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 6, 2026 86% judged on-target in blind review
483Companies
24,195Contacts tracked
5,735Verified emails
4,976Mobile numbers
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The 25 largest team communication platforms companies worldwide

Ranked by team size
Top 25 of 483 team communication platforms companies worldwide, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to team communication platforms companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceSan Jose, CA, United StatesHQ checked Sep 6, 20265,001-10,0009,706 contacts →

Strong evidence

“Bring teams together, reimagine workspaces, engage new audiences, and delight your customers –– all on the Zoom AI-first work platform you know and love.”

Source: RevenueBase Database · checked Sep 6, 2026
2Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 6, 20261,001-5,0002,619 contacts →

Indirect evidence

“Slack is on a mission to make people's working lives simpler, more pleasant and more productive.”

Source: RevenueBase Database · checked Sep 6, 2026
3Indirect evidenceMunich, GermanyHQ checked Sep 6, 20265,001-10,0001,812 contacts →

Indirect evidence

“Unify is now part of Mitel!”

Source: RevenueBase Database · checked Sep 6, 2026
4Strong evidenceSunnyvale, CA, United StatesHQ checked Sep 6, 20261,001-5,0001,254 contacts →

Strong evidence

“Intermedia is the cloud communications company that helps over businesses connect better, from wherever, through our AI-powered platform that includes voice, video conferencing…”

Source: RevenueBase Database · checked Sep 6, 2026
5Indirect evidenceRaleigh, NC, United StatesHQ checked Sep 6, 20261,001-5,0001,103 contacts →

Indirect evidence

“There is a better way to work.”

Source: RevenueBase Database · checked Sep 6, 2026
6Indirect evidenceChennai, IndiaHQ checked Sep 6, 2026501-1,000756 contacts →

Indirect evidence

“FULL Creative is a Portland-based product company with offices in India (Chennai), Canada (Toronto) and the United Kingdom (Edinburgh).”

Source: RevenueBase Database · checked Sep 6, 2026
7Strong evidenceOmaha, NE, United StatesHQ checked Sep 6, 202651-200447 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 6, 2026
8Indirect evidenceRedmond, WA, United StatesHQ checked Sep 6, 202610001+423 contacts →

Indirect evidence

“The next generation of Skype from Microsoft gives you better ways to chat, call, and plan fun things to do with the people in your life every day.”

Source: RevenueBase Database · checked Sep 6, 2026
9Indirect evidenceSan Jose, CA, United StatesHQ checked Sep 6, 2026501-1,000264 contacts →

Indirect evidence

“Please be advised that BlueJeans by Verizon is being sunset, concluding in the first half of 2024.”

Source: RevenueBase Database · checked Sep 6, 2026
10Partial evidenceSouth Plainfield, NJ, United StatesHQ checked Sep 6, 202651-200212 contacts →

Partial evidence

“Communication is the backbone of every business.”

Source: RevenueBase Database · checked Sep 6, 2026
11Strong evidenceTempe, AZ, United StatesHQ checked Sep 6, 2026201-500175 contacts →

Strong evidence

“Vertical Communications is a leading provider of communications platforms and applications that enable critical business workflows for enterprises across a variety of industries…”

Source: RevenueBase Database · checked Sep 6, 2026
12Strong evidenceShipton-under-wychwood, DenmarkHQ checked Sep 6, 202651-200168 contacts →

Strong evidence

“VoCoVo is a globally recognised innovative retail team communication solutions provider, improving business efficiency and customer experience for some of the best-known tier 1…”

Source: RevenueBase Database · checked Sep 6, 2026
13Partial evidenceNew York, NY, United StatesHQ checked Sep 6, 2026501-1,000168 contacts →

Partial evidence

“InVision is the visual collaboration platform powering the world’s smartest companies.”

Source: RevenueBase Database · checked Sep 6, 2026
14Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 6, 202651-200146 contacts →

Indirect evidence

“We're bringing video messaging to work and empowering everyone to communicate more effectively, wherever they are.”

Source: RevenueBase Database · checked Sep 6, 2026
15Partial evidenceAlappuzha, IndiaHQ checked Sep 6, 202651-200118 contacts →

Partial evidence

“Techgentsia is a pioneering company in the field of internet communication and collaboration, established in 2009.”

Source: RevenueBase Database · checked Sep 6, 2026
16Strong evidenceBoston, MA, United StatesHQ checked Sep 6, 2026501-1,000103 contacts →

Strong evidence

“Fuze is a global cloud communications and collaboration software platform for the enterprise that was acquired by 8x8.”

Source: RevenueBase Database · checked Sep 6, 2026
17Strong evidenceNew York, NY, United StatesHQ checked Sep 6, 202611-5093 contacts →

Strong evidence

“Nifty helps teams' simplify their workflow by consolidating team communication, project management, and client collaboration into one easy, fun, and efficient tool.”

Source: RevenueBase Database · checked Sep 6, 2026
18Indirect evidenceDenver, CO, United StatesHQ checked Sep 6, 202651-20089 contacts →

Indirect evidence

“Finishing your product shouldn’t be harder than building it.”

Source: RevenueBase Database · checked Sep 6, 2026
19Strong evidenceArlington, VA, United StatesHQ checked Sep 6, 202651-20078 contacts →

Strong evidence

“Axios HQ is the first internal communications management platform to equip organizations with the tools, data, and best practices to be world-class communicators.”

Source: RevenueBase Database · checked Sep 6, 2026
20Strong evidenceNew York City, NY, United StatesHQ checked Sep 6, 202651-20077 contacts →

Strong evidence

“Amplispot is the mobile-first company communications platform, used by organizations to increase productivity and empower advocacy by informing and engaging employees with timely…”

Source: RevenueBase Database · checked Sep 6, 2026
21Partial evidenceAustin, TX, United StatesHQ checked Sep 6, 202611-5072 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 6, 2026
22Partial evidenceKitchener, ON, CanadaHQ checked Sep 6, 202651-20069 contacts →

Partial evidence

“Igloo Software is the only digital workplace platform that enables a truly connected, collaborative, and engaged frontline and desked workforce.”

Source: RevenueBase Database · checked Sep 6, 2026
23Partial evidenceDelft, NetherlandsHQ checked Sep 6, 202651-20062 contacts →

Partial evidence

“Slimme communicatie.”

Source: RevenueBase Database · checked Sep 6, 2026
24Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 6, 202651-20062 contacts →

Partial evidence

“Swit is every team's work hub that consolidates collaboration essentials in one place - task, chat, goals, approvals, and integrations.”

Source: RevenueBase Database · checked Sep 6, 2026
25Indirect evidenceNew Delhi, IndiaHQ checked Sep 6, 202651-20061 contacts →

Indirect evidence

“Messaging apps particularly Whatsapp has taken our personal and work life conversations by a storm.”

Source: RevenueBase Database · checked Sep 6, 2026

Showing 25 of 483 team communication platforms companies worldwide

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Team communication platforms companies worldwide at a glance

As of Sep 6, 2026
23.7%Verified-email coverage
20.6%Mobile-number coverage
50.1Average contacts per company
11-50Median size (employees)
7.9%Largest-city concentration · San Francisco
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
201
11-50
195
51-200
49
201-500
19
501-1,000
6
1,001-5,000
5
5,001-10,000
3
10001+
3

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among team communication platforms companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
7 countries, largest first: the United States, India, the United Kingdom, Germany, Canada, Brazil, the Netherlands. Country and city lists for team communication platforms companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “team communication platforms companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names team communication platforms companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among team communication platforms companies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 5,735 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph between September 6, 2026 and September 14, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Team communication platforms companies by location

9 lists · largest first

Every Team communication platforms companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names team communication platforms companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many team communication platforms companies are there worldwide?

RevenueBase identified 483 team communication platforms companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

ZOOM, headquartered in San Jose, tops this list with the largest team on record.

Which country has the most team communication platforms companies?

The United States leads with 241 companies, followed by India (84) and the United Kingdom (52). Every team communication platforms companies list by country and city is linked on this page.

Which city has the most team communication platforms companies?

San Francisco leads with 38 headquartered companies, followed by London (29) and New York (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,735 verified decision-maker contacts tracked across these 483 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 6, 2026 and September 14, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.