Company lists · Data refreshed November 2026

Top 25 Dialogue systems developers worldwide

RevenueBase identified 2,344 company matches for dialogue systems developers worldwide as of November 2026 and tracks 28,672 professional contacts across them, including 6,993 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for dialogue systems developers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for dialogue systems developers 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 Nov 6, 2026 How this list was built
2,344Companies
28,672Contacts tracked
6,993Verified emails
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The 25 largest dialogue systems developers worldwide

Ranked by team size
Top 25 of 2,344 company matches for dialogue systems developers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchBurlington, MA, United StatesHQ recorded Nov 6, 202610001+3,659 contacts →

Exact match

“Nuance Communications is a technology pioneer with market leadership in conversational, ambient, and generative AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0002,052 contacts →

Exact match

“We believe customers and employees should be looked after, and every interaction is an opportunity for a conversation and to learn more about them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, United StatesHQ recorded Nov 6, 2026501-1,0001,244 contacts →

Exact match

“LivePerson (NASDAQ: LPSN) is the leader in predictable conversational AI and digital transformation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 20261,001-5,000989 contacts →

Exact match

“Gupshup is the leading platform for building and deploying industry-trained Conversational AI Agents for every business across marketing, commerce, and support use cases.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSanta Clara, United StatesHQ recorded Nov 6, 2026501-1,000783 contacts →

Exact match

“SoundHound AI (Nasdaq: SOUN), a global leader in voice and conversational AI, delivers solutions that allow businesses to offer superior experiences to their customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNoida, IndiaHQ recorded Nov 6, 2026201-500737 contacts →

Exact match

“At SquadStack.ai, we build Outcome-Driven Voice AI Agents for Sales.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, United StatesHQ recorded Nov 6, 2026501-1,000599 contacts →

Exact match

“Decagon is the leading conversational AI platform empowering every brand to deliver concierge customer experiences.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNew York, United StatesHQ recorded Nov 6, 2026n/a494 contacts →

Exact match

“Research Lab.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 2026201-500452 contacts →

Exact match

“SaaS Labs is all about helping sales and support teams reach their full potential.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500345 contacts →

Exact match

“The leading provider of enterprise AI agents for customer service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202651-200318 contacts →

Exact match

“Gnani AI is the frontier Voice AI company the world runs on.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew York, United StatesHQ recorded Nov 6, 2026201-500317 contacts →

Exact match

“Jio Haptik has pioneered AI-powered innovation since 2013, processing 10B+ conversations and 10M+ transactions across 10+ channels and in 135 languages for 500+ enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDania Beach, FL, United StatesHQ recorded Nov 6, 2026201-500265 contacts →

Exact match

“IntelePeer's Agentic AI business is now Aqurio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchRedwood City, United StatesHQ recorded Nov 6, 202651-200222 contacts →

Exact match

“Master of Code Global is a consulting-led AI engineering partner for startups, SMBs, and large companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSarıyer, TürkiyeHQ recorded Nov 6, 202651-200196 contacts →

Exact match

“SESTEK is a conversational automation company working on AI-powered solutions for customer service since Our R&D team of 100+ engineers develops conversational products built on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202651-200196 contacts →

Exact match

“Botmaker is the most advanced conversational platform that allows you to give smart and fast answers to your customers in all digital channels.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSeocho-gu, South KoreaHQ recorded Nov 6, 202651-200173 contacts →

Exact match

“Wrtn aims to become the next generation, natural language interface portal (first-screen) that people access to complete any given task.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Nov 6, 2026501-1,000169 contacts →

Exact match

“Drift®, the buyer experience and Conversational AI company, inspires businesses to create more engaging customer experiences, one conversation at a time.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200157 contacts →

Exact match

“Rasa is the agent building platform for AI product teams, enabling engineers and business teams to build, test, and ship agents together at speed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHanover, GermanyHQ recorded Nov 6, 2026201-500150 contacts →

Exact match

“VIER rethinks customer dialogue and communication.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-200141 contacts →

Exact match

“A ColmeIA impulsiona negócios por meio de conversas inteligentes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Botpress is the enterprise-grade AI agent platform for customer support.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLe Mans, FranceHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“The era of messaging doesn't necessarily imply robotic exchanges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“Human-Centric Conversational Agentic AI Platform Offering Full-Stack Enterprise AI & Sovereign AI for India and beyond Enables Multi-Lingual (100+ languages), Multi-Modal AI…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLexington, United StatesHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“DaveAI is a Conversational Experience Cloud that blends intelligent microbots, lifelike avatars, and immersive visualizations to craft personalized, high-impact customer journeys…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,344 dialogue systems developers worldwide

See the full list, filter by size, metro and specialty, and access 6,993 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Dialogue systems developers worldwide at a glance

As of Nov 6, 2026
24.4%Verified-email coverage
12.2Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,590
11-50
596
51-200
110
201-500
30
501-1,000
8
1,001-5,000
5
10001+
2

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 dialogue systems developers are linked below.
What qualifies
Company records worldwide whose business descriptions match “dialogue systems developers” 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 6,993 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Dialogue systems developers by location

16 lists · largest first

Every Dialogue systems developers 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 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 “dialogue systems developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many dialogue systems developers are there worldwide?

RevenueBase identified 2,344 company matches for dialogue systems developers 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?

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

Which country has the most dialogue systems developers?

The United States leads with 397 companies, followed by India (223) and the United Kingdom (105). Every dialogue systems developers list by country and city is linked on this page.

Which city has the most dialogue systems developers?

London leads with 61 company records, followed by Bangalore (43) and San Francisco (43).

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 6,993 professional contacts with verified work emails tracked across these 2,344 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

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