Company lists · Data refreshed November 2026

Top 25 Voice app development agencies worldwide

RevenueBase identified 931 company matches for voice app development agencies worldwide as of November 2026 and tracks 9,175 professional contacts across them, including 2,536 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for voice app development agencies 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 voice app development agencies 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
931Companies
9,175Contacts tracked
2,536Verified emails
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The 25 largest voice app development agencies worldwide

Ranked by team size
Top 25 of 931 company matches for voice app development agencies 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 matchOr Yehuda, IsraelHQ recorded Nov 6, 20261,001-5,0001,471 contacts →

Exact match

“AudioCodes Ltd.(NASDAQ, TASE: AUDC) is a global leader in enterprise voice technology and voice AI innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
4Exact 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
5Exact matchPlano, TX, United StatesHQ recorded Nov 6, 2026n/a196 contacts →

Exact match

“Deepdub is the enterprise voice infrastructure powering AI in production.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200165 contacts →

Exact match

“Voice is the human interface for business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200142 contacts →

Exact match

“At Murf AI, we’re building the infrastructure for the next generation of voice agents.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRedwood City, CA, United StatesHQ recorded Nov 6, 202651-200137 contacts →

Exact match

“Retell is the #1 voice AI agent platform, enabling you to build, test, deploy, and monitor voice AI agents.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMünster, GermanyHQ recorded Nov 6, 202651-200119 contacts →

Exact match

“EIN TEAM, EINE LEIDENSCHAFT: ZUKUNFT GESTALTEN Wir sind mehr als nur Software Engineers Unsere Motivation ist, das Morgen zu verbessern.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-50118 contacts →

Exact match

“RAIN is a pioneer in voice and conversational AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200114 contacts →

Exact match

“AssemblyAI is the best way to build Voice AI apps.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“Créez une expérience client unique grâce aux solutions d'Intelligence Artificielle Conversationnelle, Vocale et Générative ZAION.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDover, United StatesHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“GVenture is a leading VoIP solution development, web application development and mobile application development company over globe and offshore development center at Delhi India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHyderabad, CA, United StatesHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“One way to think of zen is this: a total state of focus that incorporates a total togetherness of body and mind.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBuffalo Grove, IL, United StatesHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Established in 2006, Vensi, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a57 contacts →

Exact match

“Orion has pioneered frontline worker access to AI, enabling an easy and compelling new concept: Frontline AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNoida, IndiaHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“PharynxAI: Where the power of voice merges with business needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“At Rime, we're on a mission to make voice AI feel more human.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWoburn, MA, United StatesHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“The voice is a powerful tool.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchIslamabad, PakistanHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“Quest, founded by experienced PhDs, is dedicated to advancing businesses through artificial intelligence and business/workflow automations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBarueri, BrazilHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Ajudar as empresas evoluírem dentro do universo digital sempre foi a nossa prioridade desde 2012, quando a nossa história começou.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSan Bruno, CA, United StatesHQ recorded Nov 6, 2026n/a49 contacts →

Exact match

“Aqlama.ai is a new startup emerged from the experience and success of Aqlama language Services agency that was founded in 2019 by Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSanta Monica, CA, United StatesHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“Voice AI is an AI audio company specializing in scalable voice agents.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAmman, JordanHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Labiba.ai is an artificial intelligence company specialized in building virtual agents and chatbots that can interact in a human-like manner with customers providing a better…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchНижний Новгород, RussiaHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Команда Neuro.net занимается разработкой голосового ИИ, который неотличим от человеческого голоса.”

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

Showing 25 of 931 voice app development agencies worldwide

See the full list, filter by size, metro and specialty, and access 2,536 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Voice app development agencies worldwide at a glance

As of Nov 6, 2026
27.6%Verified-email coverage
9.9Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · Bangalore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
650
11-50
226
51-200
46
201-500
5
501-1,000
3
1,001-5,000
1

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 voice app development agencies are linked below.
What qualifies
Company records worldwide whose business descriptions match “voice app development agencies” 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 2,536 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.

Voice app development agencies by location

3 lists · largest first

Every Voice app development agencies 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 “voice app development agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many voice app development agencies are there worldwide?

RevenueBase identified 931 company matches for voice app development agencies 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?

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

Which country has the most voice app development agencies?

The United States leads with 208 companies, followed by India (95) and the United Kingdom (42). Every voice app development agencies list by country and city is linked on this page.

Which city has the most voice app development agencies?

Bangalore leads with 23 company records, followed by San Francisco (22) and London (20).

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 2,536 professional contacts with verified work emails tracked across these 931 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.