Company lists · Data refreshed September 2026

Top 25 Sign language interpretation services based in the United Kingdom

RevenueBase identified 99 company matches for sign language interpretation services associated with the United Kingdom as of September 2026 and tracks 3,074 professional contacts across them, including 345 with verified work emails and 93 with mobile numbers. London is the largest hub.

This list covers company matches for sign language interpretation services associated with the 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 6, 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 6, 2026 How this list was built
99Companies
3,074Contacts tracked
345Verified emails
93Mobile numbers
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The 25 largest sign language interpretation services based in the United Kingdom

Ranked by team size
Top 25 of 99 company matches for sign language interpretation services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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 matchManchester, United KingdomHQ recorded Sep 6, 2026201-5001,145 contacts →

Exact match

“The world is a better, fairer place when everyone is understood.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 6, 202651-200448 contacts →

Exact match

“LanguageLine Solutions offers face-to-face interpreting services across the UK, market leading telephone interpreting services in more than 240 languages, British Sign Language…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3Exact matchRochdale, United KingdomHQ recorded Sep 6, 202651-200363 contacts →

Exact match

“Language Empire was established in 2001.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 6, 202651-200140 contacts →

Exact match

“The Language Shop is one of the UK's leading providers of interpreting, translation and examination services to the private and public sector.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5Exact matchHigh Wycombe, United KingdomHQ recorded Sep 6, 202611-50123 contacts →

Exact match

“Silent Sounds Communications Limited is a private organisation based in High Wycombe.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
6Exact matchHull, United KingdomHQ recorded Sep 6, 202611-5084 contacts →

Exact match

“Language is Everything is an award-winning, UK-based interpreting and translation company.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
7Exact matchShipley, United KingdomHQ recorded Sep 6, 202611-5052 contacts →

Exact match

“We believe in interpreting and translation for everyone who needs it and that no one should have to go without the support they need due to a language barrier.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 6, 202651-20038 contacts →

Exact match

“SignVideo provides live, on-demand British Sign Language (BSL) Video Interpreting services for the UK's Deaf community and UK organisations.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9Exact matchLeeds, United KingdomHQ recorded Sep 6, 202611-5035 contacts →

Exact match

“We have been providing independent professional communication services for hard of hearing and deaf people since 2002.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
10Exact matchManchester, United KingdomHQ recorded Sep 6, 2026201-50030 contacts →

Exact match

“DA Languages is a leading interpreting and translation agency.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11Exact matchPlymouth, United KingdomHQ recorded Sep 6, 202611-5025 contacts →

Exact match

“The Inclusivity Group LTD, is a company committed to revolutionising support services for disabled and deaf individuals, as well as the services and professionals that underpin…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
12Exact matchGloucester, United KingdomHQ recorded Sep 6, 202611-5016 contacts →

Exact match

“GDA is the only frontline charity providing support and services to deaf and hard of hearing people in the county of Gloucestershire.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
13Exact matchEngland, United KingdomHQ recorded Sep 6, 202611-5016 contacts →

Exact match

“Positive Signs provides communication support services, interpreting services, sign language training and advice on employment including Access to Work.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14Exact matchBirmingham, United KingdomHQ recorded Sep 6, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
15Exact matchReading, United KingdomHQ recorded Sep 6, 202611-5014 contacts →

Exact match

“A professional service based in Reading, providing communication and community services to the Deaf, Deaf Blind and Hard of Hearing communities.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16Exact matchWest Bromwich, United KingdomHQ recorded Sep 6, 202651-20014 contacts →

Exact match

“SDCA aim to actively encourage, empower and enrich the lives of deaf and hard of hearing people in Sandwell by providing accessible community-based services.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 6, 202651-20013 contacts →

Exact match

“InSignLanguage is a UK-based accessibility tech company on a mission to make communication inclusive for the Deaf and hard-of-hearing community.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
18Exact matchGlasgow, United KingdomHQ recorded Sep 6, 202651-20012 contacts →

Exact match

“Sign Language Interactions is a well established company with a proven track record of service delivery within the public, private and voluntary sector.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
19Exact matchRomsey, United KingdomHQ recorded Sep 6, 20261-1011 contacts →

Exact match

“Signly adds sign language to websites.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 6, 20261-1011 contacts →

Exact match

“Overseas Interpreting provides tailor-made communication solutions for deaf academics and professionals.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
21Exact matchNottingham, United KingdomHQ recorded Sep 6, 202611-5010 contacts →

Exact match

“Nottinghamshire Deaf Society (NDS) is a registered charity based in central Nottingham.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22Exact matchRochdale, United KingdomHQ recorded Sep 6, 202611-509 contacts →

Exact match

“Empire Group UK was established in 2001.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
23Exact matchBirmingham, United KingdomHQ recorded Sep 6, 202611-508 contacts →

Exact match

“CommPlus is the largest employer of Sign Language Interpreters in England.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 6, 202611-508 contacts →

Exact match

“Deaf Umbrella is a trusted provider of BSL communication support, CPD-accredited training, and Deaf employment services in London and the South East.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25Exact matchNorwich, United KingdomHQ recorded Sep 6, 20261-108 contacts →

Exact match

“We provide a range of Communication and Information Services to the Deaf Community.”

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

Showing 25 of 99 sign language interpretation services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 345 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sign language interpretation services based in the United Kingdom at a glance

As of Sep 6, 2026
11.2%Verified-email coverage
3.0%Mobile-number coverage
31.1Average contacts per company
1-10Median size (employees)
28.3%Largest-city concentration · London
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
31
51-200
9
201-500
4
501-1,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 the United Kingdom whose business descriptions match “sign language interpretation services” 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 345 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 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.

Sign language interpretation services by metro

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 “sign language interpretation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sign language interpretation services are there based in the United Kingdom?

RevenueBase identified 99 company matches for sign language interpretation services associated with the 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?

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

Which city has the most sign language interpretation services?

London leads with 28 company records, followed by Birmingham (6) and Liverpool (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 345 professional contacts with verified work emails tracked across these 99 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 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.