Company lists · Data refreshed September 2026

Top 25 Deaf communication consultants worldwide

RevenueBase identified 901 company matches for deaf communication consultants worldwide as of September 2026 and tracks 13,752 professional contacts across them, including 4,221 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for deaf communication consultants 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 September 19, 2026. Country and city lists for deaf communication consultants 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 Sep 19, 2026 How this list was built
901Companies
13,752Contacts tracked
4,221Verified emails
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The 25 largest deaf communication consultants worldwide

Ranked by team size
Top 25 of 901 company matches for deaf communication consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchSalt Lake City, UT, United StatesHQ recorded Sep 19, 202610001+2,863 contacts →

Exact match

“Sorenson is a global language services providers, combining assistive technology with human-centric accessibility solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchAustin, TX, United StatesHQ recorded Sep 19, 20261,001-5,000574 contacts →

Exact match

“Communication Service for the Deaf, Inc.(CSD) is a private, nonprofit organization dedicated to creating and providing technologies and services that benefit the deaf and hard of…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchSilver Spring, MD, United StatesHQ recorded Sep 19, 2026201-500475 contacts →

Exact match

“Welcome to Ad Astra, a leading global communication solutions and language services brand.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchAntioch, TN, United StatesHQ recorded Sep 19, 2026501-1,000388 contacts →

Exact match

“ClearCaptions was founded in 2011 with a driving force to serve the hard-of-hearing community.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchVienna, VA, United StatesHQ recorded Sep 19, 2026n/a275 contacts →

Exact match

“Liberty Language Services is a small, woman- and minority-owned language services agency headquartered in Tysons Corner, Virginia.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchToronto, ON, CanadaHQ recorded Sep 19, 2026201-500261 contacts →

Exact match

“For over 80 years, Canadian Hearing Services (CHS) has played a significant role in supporting and meeting the needs of Deaf and hard of hearing Canadians.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchUtrecht, NetherlandsHQ recorded Sep 19, 202651-200215 contacts →

Exact match

“Geestelijke Gezondheidszorg en Maatschappelijke Dienstverlening voor Doven en Slechthorenden- Maatschappelijk werk - Woonbegeleiding - Geestelijke gezondheidszorg -…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchGladsaxe, DenmarkHQ recorded Sep 19, 2026201-500163 contacts →

Exact match

“CFD er landets største leverandør af serviceydelser til døve samt mennesker med høretab og med syns- og høretab - evt.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchSao Paulo, BrazilHQ recorded Sep 19, 202651-200150 contacts →

Exact match

“A SHOWCASE é uma empresa jovem e forte que, pautada no respeito e colaboração, busca inovação e simplicidade para solucionar problemas de implantação e operação de acessibilidade…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchOslo, NorwayHQ recorded Sep 19, 20261,001-5,000143 contacts →

Exact match

“Signo ble startet i 1898 av Conrad Svendsen, Norges første døveprest.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchNewmarket, ON, CanadaHQ recorded Sep 19, 2026201-500133 contacts →

Exact match

“DeafBlind Ontario Services takes a holistic approach to providing an array of services to people who are Deaf, hard of hearing, non-verbal and deafblind that are customized to…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchColumbia, MO, United StatesHQ recorded Sep 19, 2026201-500133 contacts →

Exact match

“DeafLEAD envisions a future where Deaf, Hard of Hearing, DeafBlind, Late-Deafened, and Deaf-Disabled people no longer have to fight for access, equity, or inclusion-because their…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchFramingham, MA, United StatesHQ recorded Sep 19, 2026201-500132 contacts →

Exact match

“Inspiring Knowledge, Opportunity, and Power The Learning Center for the Deaf is a national model and leader in educational, therapeutic, and community services for, by, and with…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchRochester, NY, United StatesHQ recorded Sep 19, 202651-200125 contacts →

Exact match

“We are a full service agency featuring community interpreting & continuing education providing the highest quality sign language interpreters nationwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchEast Melbourne, AustraliaHQ recorded Sep 19, 202651-200119 contacts →

Exact match

“Expression Australia is a not-for-profit organisation that has been serving the Deaf community since 1884.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchBaltimore, MD, United StatesHQ recorded Sep 19, 202651-200114 contacts →

Exact match

“For nearly 100 years, Gateway (formerly HASA) has been Maryland’s leading resource for language and communication services.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchSumner, New ZealandHQ recorded Sep 19, 2026201-50099 contacts →

Exact match

“We are is a national organisation providing education services for Deaf and Hard of Hearing learners, from early childhood through to transition to the workforce.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchNoida, IndiaHQ recorded Sep 19, 2026201-50087 contacts →

Exact match

“Our goal is to provide a door for everyone with speech and hearing problems that they can knock for help!”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchCleveland, OH, United StatesHQ recorded Sep 19, 202651-20079 contacts →

Exact match

“Cleveland Hearing & Speech Center (CHSC) is the nation’s oldest freestanding speech center, and Northeast Ohio’s only non-profit organization, dedicated solely to serving those…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchKuching, MalaysiaHQ recorded Sep 19, 202651-20079 contacts →

Exact match

“20dB Hearing is the leading hearing care provider in Malaysia and Singapore, dedicated to helping individuals rediscover the joy of sound through personalised, professional care.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 19, 202611-5075 contacts →

Exact match

“نوفر حلول تقنية وخدمات استشارية لتجويد و زيادة الوصول للخدمات المقدمة لذوي الاحتياجات الخاصة”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchNorth York, ON, CanadaHQ recorded Sep 19, 2026201-50065 contacts →

Exact match

“It is the mission of the Bob Rumball Organizations to provide care and opportunities in a communication-rich environment that enhances the quality of life of those we serve.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchOttawa, ON, CanadaHQ recorded Sep 19, 202651-20064 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchSao Paulo, BrazilHQ recorded Sep 19, 202651-20061 contacts →

Exact match

“Educalibras é empresa pioneira e líder no mercado de inclusão e acessibilidade comunicacional às pessoas surdas e surdocegas.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchBukit Merah, SingaporeHQ recorded Sep 19, 202651-20057 contacts →

Exact match

“The leading organisation in advocating equal opportunity, in all aspects, for the Deaf & to assist the Deaf to achieve a better quality of life and to enable them to integrate and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 901 deaf communication consultants worldwide

See the full list, filter by size, metro and specialty, and access 4,221 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Deaf communication consultants worldwide at a glance

As of Sep 19, 2026
30.7%Verified-email coverage
15.3Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
586
11-50
212
51-200
73
201-500
20
501-1,000
3
1,001-5,000
3
10001+
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 deaf communication consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “deaf communication consultants” 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 4,221 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 19, 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.

Deaf communication consultants by location

4 lists · largest first

Every Deaf communication consultants 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 “deaf communication consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many deaf communication consultants are there worldwide?

RevenueBase identified 901 company matches for deaf communication consultants worldwide 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?

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

Which country has the most deaf communication consultants?

The United States leads with 318 companies, followed by the United Kingdom (67) and Canada (49). Every deaf communication consultants list by country and city is linked on this page.

Which city has the most deaf communication consultants?

London leads with 18 company records, followed by Sao Paulo (17) and Austin (12).

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 4,221 professional contacts with verified work emails tracked across these 901 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 19, 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.