Company lists · Data refreshed September 2026

Top 14 AI voice synthesis companies based in London, United Kingdom

RevenueBase identified 30 company matches for AI voice synthesis companies associated with London, United Kingdom as of September 2026 and tracks 263 professional contacts across them, including 56 with verified work emails and 14 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for AI voice synthesis companies associated with London, United Kingdom, 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 September 24, 2026.

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 Sep 24, 2026 How this list was built
30Companies
263Contacts tracked
56Verified emails
14Mobile numbers
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The 14 largest AI voice synthesis companies based in London, United Kingdom

Ranked by team size
Top 14 of 30 company matches for AI voice synthesis companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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 matchLondon, United KingdomHQ recorded Sep 24, 202651-20061 contacts →

Exact match

“Papercup is a machine learning start-up transforming the media industry.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 24, 202611-5053 contacts →

Exact match

“AudioStack is a London/Barcelona/New York City based software company.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 24, 202611-5013 contacts →

Exact match

“At NeuralSpace, we are AI developers inspired by human creativity.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 24, 20261-1011 contacts →

Exact match

“JIQ AI is a leading developer in Conversational AI.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 24, 202611-5010 contacts →

Exact match

“DeepZen turns your text into audio content that’s rich with the emotion, intonation and rhythm of the natural voice by using AI.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 24, 20261-109 contacts →

Exact match

“Voice-Swap is a groundbreaking new platform that allows anyone to transform their singing voice by harnessing the power of artificial intelligence.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 24, 20261-108 contacts →

Exact match

“Neuphonic is building the best ultra low latency text-to-speech system to create the most natural, responsive conversations with AI possible.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 24, 20261-105 contacts →

Exact match

“Text to Speech and Speech to Text engine.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 24, 202611-504 contacts →

Exact match

“My Voice AI Ltd is a privately held company and is a pioneer and leader in conversational AI.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 24, 20261-104 contacts →

Exact match

“MindPortal is a pioneering AI research company advancing human-AI interaction by enabling people to communicate with computers and AI assistants purely through thought.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 24, 20261-101 contacts →

Exact match

“LaunchPod AI is redefining audio content creation with an AI-powered platform that seamlessly transforms ideas into captivating audio.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 24, 20261-101 contacts →

Exact match

“Welcome to the Future of Digital Assistants With the power of Large Language Models (LLMs) such as those used by ChatGPT, clunky and rigid chatbots are a thing of the past and…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 24, 20261-101 contacts →

Exact match

“VoxAid dramatically enhances hands-free control over popular Assistive Technology (AT) software applications.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 24, 20261-101 contacts →

Exact match

“Verbatik allows you to turn any text into lifelike speech, allowing you to create various media content such as audio books, podcasts, voice contents and also applications that…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase

Showing 14 of 30 AI voice synthesis companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 56 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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AI voice synthesis companies based in London, United Kingdom at a glance

As of Sep 24, 2026
21.3%Verified-email coverage
5.3%Mobile-number coverage
8.8Average contacts per company
1-10Median size (employees)
Sep 24, 2026Page data refreshed

Companies by employee count

1-10
19
11-50
8
51-200
3

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 27.0d

Company record updated

Median 76.0d

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.
What qualifies
Company records associated with London, United Kingdom whose business descriptions match “AI voice synthesis 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 56 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 September 24, 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.

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 “AI voice synthesis companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI voice synthesis companies are there based in London, United Kingdom?

RevenueBase identified 30 company matches for AI voice synthesis companies associated with London, United Kingdom as of September 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?

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

Which city in the United Kingdom has the most AI voice synthesis companies?

London leads the United Kingdom with 39 company records, followed by Cambridge (3) and Edinburgh (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 56 professional contacts with verified work emails tracked across these 30 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 September 24, 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.