Company lists · Data refreshed November 2026
Top 20 Interactive voice response companies based in the United Kingdom
RevenueBase identified 81 company matches for interactive voice response companies associated with the United Kingdom as of November 2026 and tracks 713 professional contacts across them, including 202 with verified work emails. London is the largest hub.
This list covers company matches for interactive voice response companies 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 November 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.
The 20 largest interactive voice response companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 126 contacts → | ||||
Exact match “Natterbox is an AI-powered contact center solution that's natively integrated to Salesforce.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 95 contacts → | ||||
Exact match “Vicorp makes it easy for organisations to cost-effectively deliver superior self-service experiences over the phone.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 49 contacts → | ||||
Exact match “Founded in 2018 by a team with international experience, develops conversational automation solutions that manage for some of the ’.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 42 contacts → | ||||
Exact match “TeleWare design software to help businesses communicate better with their customers and employees by routing communications more effectively.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 25 contacts → | ||||
Exact match “At Syndeo, our name means “to connect”, and that’s exactly what we help brands do: connect with customers through smarter, more human conversations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 22 contacts → | ||||
Exact match “Professional Telephone Answering Service, Fully Managed Live Chat & Business VoIP Phone System” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 16 contacts → | ||||
Exact match “Liquid11 is a Future 50 technology company focusing on the integration of telecommunications and cloud-based solutions to help businesses grow.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 16 contacts → | ||||
Exact match “We provide communications apps (directory, information, messaging), speech recognition auto attendants, integrated call handling solutions, operator consoles, contact centres…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 12 contacts → | ||||
Exact match “Cloudax is the always connected conversational AI platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “Info On Hold work in the Telecoms sector offering dealers the opportunity to re-sell our products and services with the aid of our generic demo site Specializing in Audio…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “Every missed call, delayed response, or unmade outbound follow-up is lost potential.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “With over 40 years of experience in the management team of providing in-house and outsourced telephone services, Connect Worldwide Services has unrivalled expertise in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “GIVE YOUR CLIENTS THE CUSTOMER EXPERIENCE THEY DESERVE!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “C3 are THE communications specialists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “At Rhubarb, we believe that everyone’s voice has the ability to impact the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “Alsun AI delivers advanced AI-powered call automation that replaces or enhances your customer support and sales development (SDR) functions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “nSolve are the proud developers of nCall - the comprehensive Telephone Answering Service software package.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Inform Communications works at the heart of the global shift to mobile and web based communications and provides automated Contact Centre support services and Lone Worker Safety…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “On Hold Messaging Direct produce professional telephone audio messages for on-hold, IVR prompts, auto-attendants, out of hours message and voicemail recordings.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Most companies just don’t take their telecoms seriously enough!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “interactive voice response companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 20 of 81 interactive voice response companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 202 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Interactive voice response companies based in the United Kingdom at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 81 companies.
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 “interactive voice response 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 202 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.
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 “interactive voice response companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many interactive voice response companies are there based in the United Kingdom?
RevenueBase identified 81 company matches for interactive voice response companies associated with the United Kingdom 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?
Natterbox tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most interactive voice response companies?
London leads with 33 company records, followed by Manchester (4) 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 202 professional contacts with verified work emails tracked across these 81 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.
Ready to reach these companies? Verified emails and direct dials for all 81 interactive voice response companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Interactive voice response companies by geography
- Interactive voice response companies based in Sao Paulo, Brazil
- Interactive voice response companies based in Bangalore, India
- Interactive voice response companies based in Australia
- Interactive voice response companies based in Brazil
- Interactive voice response companies based in Canada
- Interactive voice response companies based in France
- Interactive voice response companies based in Germany
- Interactive voice response companies based in India
- Interactive voice response companies based in the United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Interactive voice response companies based in Sao Paulo, Brazil
- Interactive voice response companies based in Bangalore, India
- Interactive voice response companies based in Australia
- Interactive voice response companies based in Brazil
- Interactive voice response companies based in Canada
- Interactive voice response companies based in France
Company intelligence · public preview
Top 20 interactive voice response companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 81 matching company records for interactive voice response companies based in the United Kingdom, with 713 tracked contacts and 202 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 20 interactive voice response companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Natterboxnatterbox.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 126 contacts → |
“Natterbox is an AI-powered contact center solution that's natively integrated to Salesforce.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Vicorpvicorp.comHQ: Eton, United KingdomReported employees: 11-50 | Eton, United Kingdom | 11-50 | Exact match | 95 contacts → |
“Vicorp makes it easy for organisations to cost-effectively deliver superior self-service experiences over the phone.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sovran AIsovranai.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 49 contacts → |
“Founded in 2018 by a team with international experience, develops conversational automation solutions that manage for some of the ’.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Teleware PLCteleware.comHQ: Easingwold, United KingdomReported employees: 51-200 | Easingwold, United Kingdom | 51-200 | Exact match | 42 contacts → |
“TeleWare design software to help businesses communicate better with their customers and employees by routing communications more effectively.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  syndeo.cxsyndeo.cxHQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 25 contacts → |
“At Syndeo, our name means “to connect”, and that’s exactly what we help brands do: connect with customers through smarter, more human conversations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Pocket Receptionistpocketreceptionist.co.ukHQ: Lowestoft, United KingdomReported employees: 11-50 | Lowestoft, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Professional Telephone Answering Service, Fully Managed Live Chat & Business VoIP Phone System” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Liquid11 LTDliquid11.co.ukHQ: Lowestoft, United KingdomReported employees: 11-50 | Lowestoft, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Liquid11 is a Future 50 technology company focusing on the integration of telecommunications and cloud-based solutions to help businesses grow.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Atereoatereo.netHQ: Wallington, United KingdomReported employees: 11-50 | Wallington, United Kingdom | 11-50 | Exact match | 16 contacts → |
“We provide communications apps (directory, information, messaging), speech recognition auto attendants, integrated call handling solutions, operator consoles, contact centres…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Cloudaxcloud.axHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Cloudax is the always connected conversational AI platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Info On Holdioh2.comHQ: Wigan, United KingdomReported employees: 1-10 | Wigan, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Info On Hold work in the Telecoms sector offering dealers the opportunity to re-sell our products and services with the aid of our generic demo site Specializing in Audio…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Leonardopowerleonardopower.comHQ: Cambridge, United KingdomReported employees: 1-10 | Cambridge, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Every missed call, delayed response, or unmade outbound follow-up is lost potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Connect Worldwide Servicesconnectworldwide.org.ukHQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 5 contacts → |
“With over 40 years of experience in the management team of providing in-house and outsourced telephone services, Connect Worldwide Services has unrivalled expertise in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  AMA Comms Limitedamabusinesscommunications.coHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“GIVE YOUR CLIENTS THE CUSTOMER EXPERIENCE THEY DESERVE!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  C3c3.co.ukHQ: Waterbeach, United KingdomReported employees: 11-50 | Waterbeach, United Kingdom | 11-50 | Exact match | 4 contacts → |
“C3 are THE communications specialists.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Rhubarb Business Servicestherhubarbcompany.comHQ: Sittingbourne, United KingdomReported employees: 11-50 | Sittingbourne, United Kingdom | 11-50 | Exact match | 4 contacts → |
“At Rhubarb, we believe that everyone’s voice has the ability to impact the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Alsun AIalsun.aiHQ: Edinburgh, United KingdomReported employees: 1-10 | Edinburgh, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Alsun AI delivers advanced AI-powered call automation that replaces or enhances your customer support and sales development (SDR) functions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nsolvensolve.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“nSolve are the proud developers of nCall - the comprehensive Telephone Answering Service software package.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Inform Communications LTDinform-comms.com HQ: Bracknell Berkshire, United KingdomReported employees: 11-50 | Bracknell Berkshire, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Inform Communications works at the heart of the global shift to mobile and web based communications and provides automated Contact Centre support services and Lone Worker Safety…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  On Hold Messaging Directonholdmessagingdirect.comHQ: Manchester, United KingdomReported employees: 1-10 | Manchester, United Kingdom | 1-10 | Exact match | 1 contacts → |
“On Hold Messaging Direct produce professional telephone audio messages for on-hold, IVR prompts, auto-attendants, out of hours message and voicemail recordings.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Team Partners Telecommunicationstptele.comHQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Most companies just don’t take their telecoms seriously enough!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 81 company matches
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Interactive voice response companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
81 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 81 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for interactive voice response companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many interactive voice response companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 81 matching company records, 713 tracked contacts and 202 verified emails. The public preview displays 20 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Interactive voice response companies by geography
- Interactive voice response companies based in Sao Paulo, Brazil
- Interactive voice response companies based in Bangalore, India
- Interactive voice response companies based in Australia
- Interactive voice response companies based in Brazil
- Interactive voice response companies based in Canada
- Interactive voice response companies based in France
- Interactive voice response companies based in Germany
- Interactive voice response companies based in India
- Interactive voice response companies based in the United States
Cite this list
RevenueBase Data Team. Top 20 interactive voice response companies based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/interactive-voice-response-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Interactive voice response companies based in Sao Paulo, Brazil
- Interactive voice response companies based in Bangalore, India
- Interactive voice response companies based in Australia
- Interactive voice response companies based in Brazil
- Interactive voice response companies based in Canada
- Interactive voice response companies based in France
Company intelligence · public preview
Top 20 interactive voice response companies based in the United Kingdom
RevenueBase records 81 matching company records for interactive voice response companies based in the United Kingdom, with 713 tracked contacts and 202 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 20 interactive voice response companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Natterboxnatterbox.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 126 contacts → |
“Natterbox is an AI-powered contact center solution that's natively integrated to Salesforce.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Vicorpvicorp.com HQ: Eton, United KingdomReported employees: 11-50 | Eton, United Kingdom | 11-50 | Exact match | 95 contacts → |
“Vicorp makes it easy for organisations to cost-effectively deliver superior self-service experiences over the phone.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sovran AIsovranai.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 49 contacts → |
“Founded in 2018 by a team with international experience, develops conversational automation solutions that manage for some of the ’.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Teleware PLCteleware.com HQ: Easingwold, United KingdomReported employees: 51-200 | Easingwold, United Kingdom | 51-200 | Exact match | 42 contacts → |
“TeleWare design software to help businesses communicate better with their customers and employees by routing communications more effectively.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | syndeo.cxsyndeo.cx HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 25 contacts → |
“At Syndeo, our name means “to connect”, and that’s exactly what we help brands do: connect with customers through smarter, more human conversations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pocket Receptionistpocketreceptionist.co.uk HQ: Lowestoft, United KingdomReported employees: 11-50 | Lowestoft, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Professional Telephone Answering Service, Fully Managed Live Chat & Business VoIP Phone System” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Liquid11 LTDliquid11.co.uk HQ: Lowestoft, United KingdomReported employees: 11-50 | Lowestoft, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Liquid11 is a Future 50 technology company focusing on the integration of telecommunications and cloud-based solutions to help businesses grow.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Atereoatereo.net HQ: Wallington, United KingdomReported employees: 11-50 | Wallington, United Kingdom | 11-50 | Exact match | 16 contacts → |
“We provide communications apps (directory, information, messaging), speech recognition auto attendants, integrated call handling solutions, operator consoles, contact centres…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Cloudaxcloud.ax HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Cloudax is the always connected conversational AI platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Info On Holdioh2.com HQ: Wigan, United KingdomReported employees: 1-10 | Wigan, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Info On Hold work in the Telecoms sector offering dealers the opportunity to re-sell our products and services with the aid of our generic demo site Specializing in Audio…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Leonardopowerleonardopower.com HQ: Cambridge, United KingdomReported employees: 1-10 | Cambridge, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Every missed call, delayed response, or unmade outbound follow-up is lost potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Connect Worldwide Servicesconnectworldwide.org.uk HQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 5 contacts → |
“With over 40 years of experience in the management team of providing in-house and outsourced telephone services, Connect Worldwide Services has unrivalled expertise in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | AMA Comms Limitedamabusinesscommunications.co HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“GIVE YOUR CLIENTS THE CUSTOMER EXPERIENCE THEY DESERVE!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | C3c3.co.uk HQ: Waterbeach, United KingdomReported employees: 11-50 | Waterbeach, United Kingdom | 11-50 | Exact match | 4 contacts → |
“C3 are THE communications specialists.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Rhubarb Business Servicestherhubarbcompany.com HQ: Sittingbourne, United KingdomReported employees: 11-50 | Sittingbourne, United Kingdom | 11-50 | Exact match | 4 contacts → |
“At Rhubarb, we believe that everyone’s voice has the ability to impact the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Alsun AIalsun.ai HQ: Edinburgh, United KingdomReported employees: 1-10 | Edinburgh, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Alsun AI delivers advanced AI-powered call automation that replaces or enhances your customer support and sales development (SDR) functions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nsolvensolve.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“nSolve are the proud developers of nCall - the comprehensive Telephone Answering Service software package.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Inform Communications LTDinform-comms.com HQ: Bracknell Berkshire, United KingdomReported employees: 11-50 | Bracknell Berkshire, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Inform Communications works at the heart of the global shift to mobile and web based communications and provides automated Contact Centre support services and Lone Worker Safety…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | On Hold Messaging Directonholdmessagingdirect.com HQ: Manchester, United KingdomReported employees: 1-10 | Manchester, United Kingdom | 1-10 | Exact match | 1 contacts → |
“On Hold Messaging Direct produce professional telephone audio messages for on-hold, IVR prompts, auto-attendants, out of hours message and voicemail recordings.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Team Partners Telecommunicationstptele.com HQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Most companies just don’t take their telecoms seriously enough!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 81 company matches
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Interactive voice response companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
81 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 81 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for interactive voice response companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many interactive voice response companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 81 matching company records, 713 tracked contacts and 202 verified emails. The public preview displays 20 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Interactive voice response companies by geography
- Interactive voice response companies based in Sao Paulo, Brazil
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- Interactive voice response companies based in Brazil
- Interactive voice response companies based in Canada
- Interactive voice response companies based in France
- Interactive voice response companies based in Germany
- Interactive voice response companies based in India
- Interactive voice response companies based in the United States
Cite this list
RevenueBase Data Team. Top 20 interactive voice response companies based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/interactive-voice-response-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Interactive voice response companies based in Sao Paulo, Brazil
- Interactive voice response companies based in Bangalore, India
- Interactive voice response companies based in Australia
- Interactive voice response companies based in Brazil
- Interactive voice response companies based in Canada
- Interactive voice response companies based in France