Company lists · Data refreshed October 2026

Top 25 Business instant messaging software companies worldwide

RevenueBase identified 182 company matches for business instant messaging software companies worldwide as of October 2026 and tracks 3,319 professional contacts across them, including 246 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for business instant messaging software companies 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 October 1, 2026. Country and city lists for business instant messaging software companies follow the table.

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

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built
182Companies
3,319Contacts tracked
246Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest business instant messaging software companies worldwide

Ranked by team size
Top 25 of 182 company matches for business instant messaging software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDubai, United Arab EmiratesHQ recorded Oct 1, 2026n/a1,529 contacts →

Exact match

“Pure instant messaging, simple, fast, secure, and synced across all your devices.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchUnited StatesHQ recorded Oct 1, 202651-200110 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 · Oct 1, 2026 · View company records in RevenueBase
3Exact match渋谷区, JapanHQ recorded Oct 1, 202651-200100 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 · Oct 1, 2026 · View company records in RevenueBase
4Exact matchAustin, TX, United StatesHQ recorded Oct 1, 202611-5072 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 · Oct 1, 2026 · View company records in RevenueBase
5Exact matchGermering, GermanyHQ recorded Oct 1, 202651-20066 contacts →

Exact match

“With over a million installed licenses, C4B Com For Business AG is a market leader in CTI and Unified Communications software.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Oct 1, 202651-20048 contacts →

Exact match

“Zenzap is the professional work chat app trusted by businesses worldwide.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchTaiwanHQ recorded Oct 1, 202651-20043 contacts →

Exact match

“Octon is a global leading enterprise collaboration software company.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchBarcelona, SpainHQ recorded Oct 1, 202611-5036 contacts →

Exact match

“IMbee’s software as a service (SaaS) messaging platform enables insurance, retailers, financial services and other businesses to take advantage of the explosion in mobile…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchTlanepantla, MexicoHQ recorded Oct 1, 202611-5028 contacts →

Exact match

“Proporcionar soluciones tecnológicas que permitan consolidar los canales de mensajería instantánea para optimizar y automatizar la atención a clientes y ventas, con alta…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchSan Pedro, MexicoHQ recorded Oct 1, 202611-5021 contacts →

Exact match

“Jarboss es una plataforma social privada para organizaciones, que permite colaborar de manera efectiva, segura y productiva bajo un esquema 100% privado Tenemos como objetivo…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Oct 1, 202611-5019 contacts →

Exact match

“Voxer is a high-performance messaging app that combines the power of live voice with text, photos and videos.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchKolkata, IndiaHQ recorded Oct 1, 20261-1016 contacts →

Exact match

“Daakia is a revolutionary platform designed to streamline and elevate your business communication.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchRiyadh, Saudi ArabiaHQ recorded Oct 1, 202611-5013 contacts →

Exact match

“At NEAR Platforms, we take pride in being a Saudi company at the forefront of the digital communication revolution.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchJapanHQ recorded Oct 1, 2026201-50013 contacts →

Exact match

“Chatwork is a group chat app designed to help global teams communicate, collaborate and increase productivity.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 1, 202611-5012 contacts →

Exact match

“Provide your clients with exceptional communication experience from prospect to long term client.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchGdańsk, PolandHQ recorded Oct 1, 202611-5011 contacts →

Exact match

“RTCLab specializes in developing innovative, easily integrated real time communications software solutions for enterprises, service providers, vendors, systems integrators…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchUnited StatesHQ recorded Oct 1, 202611-5011 contacts →

Exact match

“The main focus of our company's activities is the development of software for message exchange and team collaboration.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchİstanbul, TürkiyeHQ recorded Oct 1, 20261-1011 contacts →

Exact match

“Tell Me is developed by the young and dynamic engineers in our country, able to adapt the ecosystem of your company, business oriented, user friendly and secure messaging…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchTaipei, TaiwanHQ recorded Oct 1, 202611-5010 contacts →

Exact match

“FUNTEK Software provides Chat SDKs and Embedded Instant Messenger to help product team to build a controllable, instant, and interactive chat solution that can be fully integrated…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchRennes, FranceHQ recorded Oct 1, 202611-5010 contacts →

Exact match

“TREEBAL offers ethical and eco-responsible instant messaging that guarantees data cybersecurity and digital sobriety of use.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchWatford, United KingdomHQ recorded Oct 1, 2026201-5009 contacts →

Exact match

“StarLeaf enables seamless collaboration through intelligently engineered, reliable meeting room systems, superior video conferencing, and secure messaging.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchAstoria, United StatesHQ recorded Oct 1, 20261-109 contacts →

Exact match

“Disa Works, Inc.(a/k/a Disa Technologies, Inc.), offers a patented unified messaging framework that integrates multiple messaging services (Telegram, Facebook, SMS/MMS, etc.) into…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchZurich, United StatesHQ recorded Oct 1, 202611-508 contacts →

Exact match

“Chanty is a team collaboration app that helps teams communicate and increase productivity.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchMadrid, SpainHQ recorded Oct 1, 202611-508 contacts →

Exact match

“Instant Messaging and file sharing with co-workers anytime anywhere Email is for things that can wait, IMbox.me is for when they can´t.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchCerdanyola Del Vallès, SpainHQ recorded Oct 1, 20261-106 contacts →

Exact match

“Ommnio is corporate instant messaging for deskless employees.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 182 business instant messaging software companies worldwide

See the full list, filter by size, metro and specialty, and access 246 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Business instant messaging software companies worldwide at a glance

As of Oct 1, 2026
7.4%Verified-email coverage
18.2Average contacts per company
11-50Median size (employees)
3.8%Largest-city concentration · London
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
73
11-50
70
51-200
28
201-500
8
501-1,000
3

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 business instant messaging software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “business instant messaging software companies” 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 246 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 October 1, 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.

Business instant messaging software companies by location

1 lists · largest first

Every Business instant messaging software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “business instant messaging software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business instant messaging software companies are there worldwide?

RevenueBase identified 182 company matches for business instant messaging software companies worldwide as of October 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?

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

Which country has the most business instant messaging software companies?

The United States leads with 31 companies. Every business instant messaging software companies list by country and city is linked on this page.

Which city has the most business instant messaging software companies?

London leads with 7 company records, followed by San Francisco (5) and Barcelona (3).

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 246 professional contacts with verified work emails tracked across these 182 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 October 1, 2026.

Ready to reach these companies? Verified emails and direct dials for all 182 business instant messaging software companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.