Company lists · Data refreshed November 2026
Top 25 Telephone system integrators based in the United Kingdom
RevenueBase identified 427 company matches for telephone system integrators associated with the United Kingdom as of November 2026 and tracks 3,878 professional contacts across them, including 1,298 with verified work emails. London is the largest hub.
This list covers company matches for telephone system integrators 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 25 largest telephone system integrators based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 203 contacts → | ||||
Exact match “Maintel is a leading systems integrator and managed services provider, delivering effortless communications solutions to a broad spectrum of businesses in the UK and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 120 contacts → | ||||
Exact match “Cinos is an industry-leading, agile, and innovative systems integrator.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 115 contacts → | ||||
Exact match “European Electronique is a leading UK systems Integrator, specialising in the delivery of secure technology platforms including Hybrid IT, Cyber Security and Networking…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 103 contacts → | ||||
Exact match “Optilan is a leading independent security and communications systems integrator worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 102 contacts → | ||||
Exact match “Better protect your people, places and spaces.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 91 contacts → | ||||
Exact match “Connecting people, places, and possibilities through transformative workplace technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 87 contacts → | ||||
Exact match “Crossover is a leading audiovisual systems integrator – we deliver AV that’s high quality, powerful, simple to use, and reliable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 55 contacts → | ||||
Exact match “NACD Ltd has been established for over 25 years and are industry-leading UK and European specialists in manufacturing, distribution, design, installation, commissioning and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 50 contacts → | ||||
Exact match “AdEPT Technology Group plc is listed on the London Stock Exchange.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 44 contacts → | ||||
Exact match “Amillan is a communications integrator that delivers solutions to make your organisation perform better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 42 contacts → | ||||
Exact match “Ajar Technology is a successful and highly regarded end-to-end systems integrator with bases in Brentford and Bolton.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 42 contacts → | ||||
Exact match “SAS Wireless is an experienced, UK based systems integrator and services provider for the wireless communications industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 40 contacts → | ||||
Exact match “StriveAV is one of Europe’s most dedicated and passionate audio AV systems integrator.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 40 contacts → | ||||
Exact match “Astro Communications are experts in solving business challenges through the design, deployment and management of end-to-end communications and networking solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 38 contacts → | ||||
Exact match “TBG Solutions Ltd – Skilled Integrators specialising in test, measurement, control and automation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 36 contacts → | ||||
Exact match “CIE is one of the UK's leading Security, Access Control and Audio Visual distributors, supplying installers and integrators with professional intercom, access control and AV…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 32 contacts → | ||||
Exact match “4MS specialise in networking, cyber-security and telecoms technical services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 32 contacts → | ||||
Exact match “With a legacy rooted in two decades of telecom consulting and services expertise, PineVox emerges as a visionary leader in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 32 contacts → | ||||
Exact match “Emerald Cloud Phone System, offers both high-quality traditional telephone lines and cloud phone system packages.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 30 contacts → | ||||
Exact match “Coral Communications is an industry leading, Link-Up accredited and NICEIC Approved Contractor and Telecommunications Service Provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 30 contacts → | ||||
Exact match “Ghekko is an independent international company providing professional services within the Telecommunications hardware market, with operating offices in EMEA & North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 29 contacts → | ||||
Exact match “From a business perspective Nexsis Comms pretty much cover all elements that will make an office run as required.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 25 contacts → | ||||
Exact match “At DVAD we’re a full service voice and data supplier providing flexible, world-class business telecoms systems and IT solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 23 contacts → | ||||
Exact match “After 20 years as DJM Telecom Ltd, we have grown - moved to a new Head Office in Berkshire, a new Director and three more engineers, as well as merging with Voice on Data, our…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 23 contacts → | ||||
Exact match “We are a dedicated team of individuals with over 25 years' worth of experience providing and installing business telephony systems across the UK.” 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 “telephone system integrators”. 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 25 of 427 telephone system integrators based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,298 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telephone system integrators 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 427 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 “telephone system integrators” 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 1,298 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.
Telephone system integrators 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 “telephone system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telephone system integrators are there based in the United Kingdom?
RevenueBase identified 427 company matches for telephone system integrators 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?
Maintel Azzurri Communications tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most telephone system integrators?
London leads with 49 company records, followed by Birmingham (10) and Glasgow (9).
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 1,298 professional contacts with verified work emails tracked across these 427 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 427 telephone system integrators based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Telephone system integrators by geography
- Telephone system integrators based in Rio De Janeiro, Brazil
- Telephone system integrators based in Sao Paulo, Brazil
- Telephone system integrators based in Paris, France
- Telephone system integrators based in Pune, India
- Telephone system integrators based in Rome, Italy
- Telephone system integrators based in Mexico City, Mexico
- Telephone system integrators based in Warsaw, Poland
- Telephone system integrators based in Riyadh, Saudi Arabia
- Telephone system integrators based in Madrid, Spain
- Telephone system integrators based in Istanbul, Türkiye
- Telephone system integrators based in Dubai, United Arab Emirates
- Telephone system integrators based in London, United Kingdom
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
- Telephone system integrators based in Rio De Janeiro, Brazil
- Telephone system integrators based in Sao Paulo, Brazil
- Telephone system integrators based in Paris, France
- Telephone system integrators based in Pune, India
- Telephone system integrators based in Rome, Italy
- Telephone system integrators based in Mexico City, Mexico
Company intelligence · public preview
Top 25 telephone system integrators 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 427 matching company records for telephone system integrators based in the United Kingdom, with 3,878 tracked contacts and 1,298 verified work emails.
This public preview shows 25 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 25 telephone system integrators 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 |  Maintel Azzurri Communicationsmaintel.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 203 contacts → |
“Maintel is a leading systems integrator and managed services provider, delivering effortless communications solutions to a broad spectrum of businesses in the UK and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  CINOScinos.netHQ: Frimley, United KingdomReported employees: 51-200 | Frimley, United Kingdom | 51-200 | Exact match | 120 contacts → |
“Cinos is an industry-leading, agile, and innovative systems integrator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  European Electroniqueeuroele.comHQ: Eynsham, United KingdomReported employees: 51-200 | Eynsham, United Kingdom | 51-200 | Exact match | 115 contacts → |
“European Electronique is a leading UK systems Integrator, specialising in the delivery of secure technology platforms including Hybrid IT, Cyber Security and Networking…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Optilanoptilan.comHQ: Royal Leamington Spa, United KingdomReported employees: 201-500 | Royal Leamington Spa, United Kingdom | 201-500 | Exact match | 103 contacts → |
“Optilan is a leading independent security and communications systems integrator worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Total Integrated Solutions TIS LTDtis.co.ukHQ: Mansfield, United KingdomReported employees: 51-200 | Mansfield, United Kingdom | 51-200 | Exact match | 102 contacts → |
“Better protect your people, places and spaces.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Twistedpair LTDtwistedpair.co.ukHQ: Portsmouth, United KingdomReported employees: 51-200 | Portsmouth, United Kingdom | 51-200 | Exact match | 91 contacts → |
“Connecting people, places, and possibilities through transformative workplace technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Crossovercrossover-av.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 87 contacts → |
“Crossover is a leading audiovisual systems integrator – we deliver AV that’s high quality, powerful, simple to use, and reliable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Nacd LTDnacd.co.ukHQ: Hemel Hempstead, United KingdomReported employees: 51-200 | Hemel Hempstead, United Kingdom | 51-200 | Exact match | 55 contacts → |
“NACD Ltd has been established for over 25 years and are industry-leading UK and European specialists in manufacturing, distribution, design, installation, commissioning and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Adept Technology Group PLCadept.co.ukHQ: Tunbridge Wells, United KingdomReported employees: 201-500 | Tunbridge Wells, United Kingdom | 201-500 | Exact match | 50 contacts → |
“AdEPT Technology Group plc is listed on the London Stock Exchange.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Amillan Limitedamillan.co.ukHQ: Solihull, United KingdomReported employees: 51-200 | Solihull, United Kingdom | 51-200 | Exact match | 44 contacts → |
“Amillan is a communications integrator that delivers solutions to make your organisation perform better.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ajar Technologyajartechnology.comHQ: Brentford, United KingdomReported employees: 11-50 | Brentford, United Kingdom | 11-50 | Exact match | 42 contacts → |
“Ajar Technology is a successful and highly regarded end-to-end systems integrator with bases in Brentford and Bolton.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  SAS Wirelesssaswireless.comHQ: Thame, United KingdomReported employees: 51-200 | Thame, United Kingdom | 51-200 | Exact match | 42 contacts → |
“SAS Wireless is an experienced, UK based systems integrator and services provider for the wireless communications industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Strive AVstriveav.comHQ: Felbridge, United KingdomReported employees: 11-50 | Felbridge, United Kingdom | 11-50 | Exact match | 40 contacts → |
“StriveAV is one of Europe’s most dedicated and passionate audio AV systems integrator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Astro Communications LTDastro.co.ukHQ: Dartford, United KingdomReported employees: 11-50 | Dartford, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Astro Communications are experts in solving business challenges through the design, deployment and management of end-to-end communications and networking solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  TBG Solutions LTDtbg-solutions.comHQ: Chesterfield, United KingdomReported employees: 51-200 | Chesterfield, United Kingdom | 51-200 | Exact match | 38 contacts → |
“TBG Solutions Ltd – Skilled Integrators specialising in test, measurement, control and automation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cie-Groupcie-group.comHQ: Nottingham, United KingdomReported employees: 11-50 | Nottingham, United Kingdom | 11-50 | Exact match | 36 contacts → |
“CIE is one of the UK's leading Security, Access Control and Audio Visual distributors, supplying installers and integrators with professional intercom, access control and AV…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  4ms Network Solutions4ms.co.ukHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 32 contacts → |
“4MS specialise in networking, cyber-security and telecoms technical services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Pinevoxpinevox.comHQ: Harrow, United KingdomReported employees: 11-50 | Harrow, United Kingdom | 11-50 | Exact match | 32 contacts → |
“With a legacy rooted in two decades of telecom consulting and services expertise, PineVox emerges as a visionary leader in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Emerald Telecomemeraldtelecom.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Emerald Cloud Phone System, offers both high-quality traditional telephone lines and cloud phone system packages.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Coral Communications LTDcoralcomms.comHQ: Essex, United KingdomReported employees: 51-200 | Essex, United Kingdom | 51-200 | Exact match | 30 contacts → |
“Coral Communications is an industry leading, Link-Up accredited and NICEIC Approved Contractor and Telecommunications Service Provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ghekkoghekko.comHQ: Macclesfield, United KingdomReported employees: 11-50 | Macclesfield, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Ghekko is an independent international company providing professional services within the Telecommunications hardware market, with operating offices in EMEA & North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Nexsis Comms LTDnexsiscomms.comHQ: Derby, United KingdomReported employees: 11-50 | Derby, United Kingdom | 11-50 | Exact match | 29 contacts → |
“From a business perspective Nexsis Comms pretty much cover all elements that will make an office run as required.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Direct Voice & Datadvad.co.ukHQ: Huddersfield, United KingdomReported employees: 11-50 | Huddersfield, United Kingdom | 11-50 | Exact match | 25 contacts → |
“At DVAD we’re a full service voice and data supplier providing flexible, world-class business telecoms systems and IT solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Telecentric LTDtelecentric.co.ukHQ: Birmingham, United KingdomReported employees: 11-50 | Birmingham, United Kingdom | 11-50 | Exact match | 23 contacts → |
“After 20 years as DJM Telecom Ltd, we have grown - moved to a new Head Office in Berkshire, a new Director and three more engineers, as well as merging with Voice on Data, our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Ucall Telecomucall.org.ukHQ: Redditch, United KingdomReported employees: 11-50 | Redditch, United Kingdom | 11-50 | Exact match | 23 contacts → |
“We are a dedicated team of individuals with over 25 years' worth of experience providing and installing business telephony systems across the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 427 company matches
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Telephone system integrators: 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
417 records in the displayed employee bands.
10 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 427 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 ↗
Telephone system integrators by metro
Questions about this company list
What does Exact match mean for telephone system integrators?
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 telephone system integrators did RevenueBase find based in the United Kingdom?
The saved snapshot records 427 matching company records, 3,878 tracked contacts and 1,298 verified emails. The public preview displays 25 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
Telephone system integrators by geography
- Telephone system integrators based in Rio De Janeiro, Brazil
- Telephone system integrators based in Sao Paulo, Brazil
- Telephone system integrators based in Paris, France
- Telephone system integrators based in Pune, India
- Telephone system integrators based in Rome, Italy
- Telephone system integrators based in Mexico City, Mexico
- Telephone system integrators based in Warsaw, Poland
- Telephone system integrators based in Riyadh, Saudi Arabia
- Telephone system integrators based in Madrid, Spain
- Telephone system integrators based in Istanbul, Türkiye
- Telephone system integrators based in Dubai, United Arab Emirates
- Telephone system integrators based in London, United Kingdom
Cite this list
RevenueBase Data Team. Top 25 telephone system integrators based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/telephone-system-integrators/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
- Telephone system integrators based in Rio De Janeiro, Brazil
- Telephone system integrators based in Sao Paulo, Brazil
- Telephone system integrators based in Paris, France
- Telephone system integrators based in Pune, India
- Telephone system integrators based in Rome, Italy
- Telephone system integrators based in Mexico City, Mexico
Company intelligence · public preview
Top 25 telephone system integrators based in the United Kingdom
RevenueBase records 427 matching company records for telephone system integrators based in the United Kingdom, with 3,878 tracked contacts and 1,298 verified work emails.
This public preview shows 25 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 25 telephone system integrators 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 | Maintel Azzurri Communicationsmaintel.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 203 contacts → |
“Maintel is a leading systems integrator and managed services provider, delivering effortless communications solutions to a broad spectrum of businesses in the UK and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | CINOScinos.net HQ: Frimley, United KingdomReported employees: 51-200 | Frimley, United Kingdom | 51-200 | Exact match | 120 contacts → |
“Cinos is an industry-leading, agile, and innovative systems integrator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | European Electroniqueeuroele.com HQ: Eynsham, United KingdomReported employees: 51-200 | Eynsham, United Kingdom | 51-200 | Exact match | 115 contacts → |
“European Electronique is a leading UK systems Integrator, specialising in the delivery of secure technology platforms including Hybrid IT, Cyber Security and Networking…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Optilanoptilan.com HQ: Royal Leamington Spa, United KingdomReported employees: 201-500 | Royal Leamington Spa, United Kingdom | 201-500 | Exact match | 103 contacts → |
“Optilan is a leading independent security and communications systems integrator worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Total Integrated Solutions TIS LTDtis.co.uk HQ: Mansfield, United KingdomReported employees: 51-200 | Mansfield, United Kingdom | 51-200 | Exact match | 102 contacts → |
“Better protect your people, places and spaces.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Twistedpair LTDtwistedpair.co.uk HQ: Portsmouth, United KingdomReported employees: 51-200 | Portsmouth, United Kingdom | 51-200 | Exact match | 91 contacts → |
“Connecting people, places, and possibilities through transformative workplace technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Crossovercrossover-av.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 87 contacts → |
“Crossover is a leading audiovisual systems integrator – we deliver AV that’s high quality, powerful, simple to use, and reliable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Nacd LTDnacd.co.uk HQ: Hemel Hempstead, United KingdomReported employees: 51-200 | Hemel Hempstead, United Kingdom | 51-200 | Exact match | 55 contacts → |
“NACD Ltd has been established for over 25 years and are industry-leading UK and European specialists in manufacturing, distribution, design, installation, commissioning and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Adept Technology Group PLCadept.co.uk HQ: Tunbridge Wells, United KingdomReported employees: 201-500 | Tunbridge Wells, United Kingdom | 201-500 | Exact match | 50 contacts → |
“AdEPT Technology Group plc is listed on the London Stock Exchange.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Amillan Limitedamillan.co.uk HQ: Solihull, United KingdomReported employees: 51-200 | Solihull, United Kingdom | 51-200 | Exact match | 44 contacts → |
“Amillan is a communications integrator that delivers solutions to make your organisation perform better.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ajar Technologyajartechnology.com HQ: Brentford, United KingdomReported employees: 11-50 | Brentford, United Kingdom | 11-50 | Exact match | 42 contacts → |
“Ajar Technology is a successful and highly regarded end-to-end systems integrator with bases in Brentford and Bolton.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SAS Wirelesssaswireless.com HQ: Thame, United KingdomReported employees: 51-200 | Thame, United Kingdom | 51-200 | Exact match | 42 contacts → |
“SAS Wireless is an experienced, UK based systems integrator and services provider for the wireless communications industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Strive AVstriveav.com HQ: Felbridge, United KingdomReported employees: 11-50 | Felbridge, United Kingdom | 11-50 | Exact match | 40 contacts → |
“StriveAV is one of Europe’s most dedicated and passionate audio AV systems integrator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Astro Communications LTDastro.co.uk HQ: Dartford, United KingdomReported employees: 11-50 | Dartford, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Astro Communications are experts in solving business challenges through the design, deployment and management of end-to-end communications and networking solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | TBG Solutions LTDtbg-solutions.com HQ: Chesterfield, United KingdomReported employees: 51-200 | Chesterfield, United Kingdom | 51-200 | Exact match | 38 contacts → |
“TBG Solutions Ltd – Skilled Integrators specialising in test, measurement, control and automation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cie-Groupcie-group.com HQ: Nottingham, United KingdomReported employees: 11-50 | Nottingham, United Kingdom | 11-50 | Exact match | 36 contacts → |
“CIE is one of the UK's leading Security, Access Control and Audio Visual distributors, supplying installers and integrators with professional intercom, access control and AV…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 4ms Network Solutions4ms.co.uk HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 32 contacts → |
“4MS specialise in networking, cyber-security and telecoms technical services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Pinevoxpinevox.com HQ: Harrow, United KingdomReported employees: 11-50 | Harrow, United Kingdom | 11-50 | Exact match | 32 contacts → |
“With a legacy rooted in two decades of telecom consulting and services expertise, PineVox emerges as a visionary leader in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Emerald Telecomemeraldtelecom.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Emerald Cloud Phone System, offers both high-quality traditional telephone lines and cloud phone system packages.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Coral Communications LTDcoralcomms.com HQ: Essex, United KingdomReported employees: 51-200 | Essex, United Kingdom | 51-200 | Exact match | 30 contacts → |
“Coral Communications is an industry leading, Link-Up accredited and NICEIC Approved Contractor and Telecommunications Service Provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ghekkoghekko.com HQ: Macclesfield, United KingdomReported employees: 11-50 | Macclesfield, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Ghekko is an independent international company providing professional services within the Telecommunications hardware market, with operating offices in EMEA & North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Nexsis Comms LTDnexsiscomms.com HQ: Derby, United KingdomReported employees: 11-50 | Derby, United Kingdom | 11-50 | Exact match | 29 contacts → |
“From a business perspective Nexsis Comms pretty much cover all elements that will make an office run as required.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Direct Voice & Datadvad.co.uk HQ: Huddersfield, United KingdomReported employees: 11-50 | Huddersfield, United Kingdom | 11-50 | Exact match | 25 contacts → |
“At DVAD we’re a full service voice and data supplier providing flexible, world-class business telecoms systems and IT solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Telecentric LTDtelecentric.co.uk HQ: Birmingham, United KingdomReported employees: 11-50 | Birmingham, United Kingdom | 11-50 | Exact match | 23 contacts → |
“After 20 years as DJM Telecom Ltd, we have grown - moved to a new Head Office in Berkshire, a new Director and three more engineers, as well as merging with Voice on Data, our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ucall Telecomucall.org.uk HQ: Redditch, United KingdomReported employees: 11-50 | Redditch, United Kingdom | 11-50 | Exact match | 23 contacts → |
“We are a dedicated team of individuals with over 25 years' worth of experience providing and installing business telephony systems across the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 427 company matches
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Telephone system integrators: 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
417 records in the displayed employee bands.
10 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 427 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 ↗
Telephone system integrators by metro
Questions about this company list
What does Exact match mean for telephone system integrators?
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 telephone system integrators did RevenueBase find based in the United Kingdom?
The saved snapshot records 427 matching company records, 3,878 tracked contacts and 1,298 verified emails. The public preview displays 25 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
Telephone system integrators by geography
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- Telephone system integrators based in London, United Kingdom
Cite this list
RevenueBase Data Team. Top 25 telephone system integrators based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/telephone-system-integrators/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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- Telephone system integrators based in Rio De Janeiro, Brazil
- Telephone system integrators based in Sao Paulo, Brazil
- Telephone system integrators based in Paris, France
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- Telephone system integrators based in Mexico City, Mexico