Company lists · Data refreshed September 2026
Top 25 Voice AI companies for contact centers worldwide
RevenueBase identified 4,343 voice AI companies for contact centers worldwide as of September 2026 and tracks 95,505 professional contacts across them, including 25,265 with verified work emails. The United States is the largest market and London the largest hub.
This list covers voice AI companies for contact centers 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 29, 2026. Country and city lists for voice AI companies for contact centers 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.
The 25 largest voice AI companies for contact centers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 8,461 contacts → | ||||
Partial evidence “24]7.ai™ customer engagement solutions use conversational artificial intelligence to understand customer intent, enabling companies to create personalized, predictive, and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 3,852 contacts → | ||||
Strong evidence “Verint helps you deliver AI outcomes now to solve your most pressing CX automation challenges in the contact center and beyond.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,544 contacts → | ||||
Partial evidence “Nuance Communications is a technology pioneer with market leadership in conversational, ambient, and generative AI.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 2,964 contacts → | ||||
Partial evidence “Etech Global Services delivers customer experience solutions and proprietary AI technology to Fortune 500 companies across telecommunications, healthcare, financial services, and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,991 contacts → | ||||
Indirect evidence “We believe customers and employees should be looked after, and every interaction is an opportunity for a conversation and to learn more about them.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,638 contacts → | ||||
Partial evidence “Build amazing customer experiences with Nextiva’s AI-powered platform.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1,473 contacts → | ||||
Partial evidence “Dialpad is the leading AI-powered communications intelligence platform creating human-first, AI-enhanced solutions that will drive the next wave of how businesses communicate with…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 1,397 contacts → | ||||
Strong evidence “AudioCodes Ltd.(NASDAQ, TASE: AUDC) is a global leader in enterprise voice technology and voice AI innovation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 1,334 contacts → | ||||
Strong evidence “Afiniti is an AI-native company and the global leader in Outcome Orchestration, where we bring simplicity, transparency, and measurable results to complex contact centers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1,248 contacts → | ||||
Partial evidence “LivePerson (NASDAQ: LPSN) is the leader in predictable conversational AI and digital transformation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1,076 contacts → | ||||
Indirect evidence “Even the markets know that we’re the good call’!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1,050 contacts → | ||||
Partial evidence “Gupshup is the leading platform for building and deploying industry-trained Conversational AI Agents for every business across marketing, commerce, and support use cases.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 926 contacts → | ||||
Partial evidence “A Youtility Center do Brasil faz parte do “Gruppo Distribuzione Spa”, com sede na Itália desde 1998.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 804 contacts → | ||||
Partial evidence “The collaborative, AI-powered platform for customer conversations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 710 contacts → | ||||
Strong evidence “Voices is the world’s leading enterprise-class marketplace and platform to source voice over actors, ethically license voice AI and access custom voice data to train AI models.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 691 contacts → | ||||
Partial evidence “Exotel is your AI transformation partner for customer engagement and experience.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 679 contacts → | ||||
Indirect evidence “Research Lab.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 669 contacts → | ||||
Strong evidence “SoundHound AI (Nasdaq: SOUN), a global leader in voice and conversational AI, delivers solutions that allow businesses to offer superior experiences to their customers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 669 contacts → | ||||
Strong evidence “At SquadStack.ai, we build Outcome-Driven Voice AI Agents for Sales.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 589 contacts → | ||||
Indirect evidence “In an age where agility and rapid responses are paramount, yoummday shines as a trailblazing tech company tackling outsourcing challenges head-on.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 567 contacts → | ||||
Strong evidence “Call Center Studio is an AI-powered, cloud-based contact center software that redefines how businesses engage with their customers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 561 contacts → | ||||
Partial evidence “Sierra helps businesses build better, more human customer experiences with AI.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 553 contacts → | ||||
Indirect evidence “At Futwork, we specialize in omnichannel communication solutions that integrate seamlessly with your business.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 530 contacts → | ||||
Partial evidence “Moneypenny is the leading customer conversations partner to businesses across the UK and US, blending exceptional people with proprietary AI technology to deliver trusted caller…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 527 contacts → | ||||
Partial evidence “ConnexAI is an award-winning full stack Agentic AI platform.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: voice AI companies for contact centers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names voice AI companies for contact centers.
- Partial evidence
- Its own public description names part of voice AI companies for contact centers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name voice AI companies for contact centers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 4,343 voice AI companies for contact centers worldwide
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Voice AI companies for contact centers worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among voice AI companies for contact centers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for voice AI companies for contact centers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “voice AI companies for contact centers”. 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 voice AI companies for contact centers), 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 voice AI companies for contact centers, 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, 25,265 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 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.
Voice AI companies for contact centers by location
28 lists · largest firstEvery Voice AI companies for contact centers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Voice AI companies for contact centers based in the United States933
- Voice AI companies for contact centers based in India388
- Voice AI companies for contact centers based in the United Kingdom214
- Voice AI companies for contact centers based in Canada137
- Voice AI companies for contact centers based in Germany126
- Voice AI companies for contact centers based in Brazil112
- Voice AI companies for contact centers based in Australia97
- Voice AI companies for contact centers based in France84
- Voice AI companies for contact centers based in Spain74
- Voice AI companies for contact centers based in Türkiye60
- Voice AI companies for contact centers based in the Netherlands55
- Voice AI companies for contact centers based in Italy51
- Voice AI companies for contact centers based in Mexico47
- Voice AI companies for contact centers based in Israel35
- Voice AI companies for contact centers based in Japan30
- Voice AI companies for contact centers based in Poland26
- Voice AI companies for contact centers based in Argentina25
Cities
- Voice AI companies for contact centers based in London, United Kingdom102
- Voice AI companies for contact centers based in San Francisco, United States88
- Voice AI companies for contact centers based in New York, United States63
- Voice AI companies for contact centers based in Bangalore, India51
- Voice AI companies for contact centers based in Sao Paulo, Brazil47
- Voice AI companies for contact centers based in Paris, France44
- Voice AI companies for contact centers based in Hyderabad, India35
- Voice AI companies for contact centers based in Sydney, Australia31
- Voice AI companies for contact centers based in Berlin, Germany30
- Voice AI companies for contact centers based in Madrid, Spain28
- Voice AI companies for contact centers based in Noida, India25
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 voice AI companies for contact centers, 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 voice AI companies for contact centers are there worldwide?
RevenueBase identified 4,343 voice AI companies for contact centers 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?
24 7.ai, headquartered in Campbell, tops this list with the largest team on record.
Which country has the most voice AI companies for contact centers?
The United States leads with 933 companies, followed by India (388) and the United Kingdom (214). Every voice AI companies for contact centers list by country and city is linked on this page.
Which city has the most voice AI companies for contact centers?
London leads with 105 headquartered companies, followed by San Francisco (88) and New York (63).
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 25,265 verified decision-maker contacts tracked across these 4,343 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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.