Company lists · Data refreshed September 2026
Top 25 Telecom api platform companies based in the United Kingdom
RevenueBase identified 98 telecom api platform companies headquartered in the United Kingdom as of September 2026 and tracks 1,564 professional contacts across them, including 446 with verified work emails. London is the largest hub.
This list covers telecom api platform companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 telecom api platform companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 514 contacts → | ||||
Partial evidence “For nearly three decades, Monty Mobile has been at the forefront of global telecom innovation, partnering with mobile operators, enterprises, hyperscalers, and financial…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 168 contacts → | ||||
Partial evidence “Omobio (Pvt) Ltd was established in February 2011 by a team of Professional Telecom Software Developers, tendering it’s service to Telecom Operators and Telecom Service…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 103 contacts → | ||||
Indirect evidence “tyntec is a cloud communications provider enabling businesses to communicate easier with their customers, workforce and machines.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 93 contacts → | ||||
Indirect evidence “Wavecrest is a global managed voice and messaging services company.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 55 contacts → | ||||
Partial evidence “Manor IT (UK) Limited is an esteemed industry leader, specializing in global wholesale and retail Voice & SMS termination and Communications Platform as a Service (CPaaS).” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 43 contacts → | ||||
Partial evidence “Hicell is a telecommunications company based in the UK.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 41 contacts → | ||||
Partial evidence “Sama Telecom is a leading telecommunications company established in 2008 and a GSMA certified voice carrier and SMS hub in addition to being a member of MEF and ITU organizations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 41 contacts → | ||||
Indirect evidence “Esendex is a premier global provider of business communication solutions, specialising in Mobile Messaging.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 37 contacts → | ||||
Partial evidence “Headquarters Crewe Year founded 2011 Directors Clive Nelson and Tom Finch Specialties Telecommunications, Mobile Devices and Account Management CAN Solutions strive to deliver…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 23 contacts → | ||||
Indirect evidence “Since 2003, we’ve been making SMS & Voice simple and profitable for our partners.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 21 contacts → | ||||
Partial evidence “Spartified is a global telecommunications technology company that helps mobile network operators, MVNOs, and digital service providers transform complex network operations into…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 17 contacts → | ||||
Strong evidence “QXTEL is one of the most advanced & diversified Telecommunications & Technology Services Provider focused on Retail & Wholesale Voice Platform Partioning, Wholesale Carrier Voice…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 15 contacts → | ||||
Partial evidence “At 23 Telecom we’re all about providing foundations for clients to build relationships with their customers and produce solid outcomes for their businesses and services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 12 contacts → | ||||
Partial evidence “VoIPcloud Wholesale is a specialist in wholesale cloud telephony platforms and solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 12 contacts → | ||||
Partial evidence “We connect millions of telephone calls for businesses each year, with our modern cloud technology and easy to use platforms.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 12 contacts → | ||||
Indirect evidence “SCG Wholesale is at the cutting edge of internet telephony developing and delivering super reliable technologies, applications and features, including Altos, our flagship white…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 11 contacts → | ||||
Partial evidence “At Blue Portal, we take the hassle out of business telecoms by offering everything you need under one roof.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Partial evidence “Net AI is a network intelligence and advanced analytics company in the Telecom sector.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Partial evidence “ICOM VOICE is one of the most promising Telecommunication Service Providers based in the UK.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 10 contacts → | ||||
Partial evidence “We provide a complete package of innovative premium rate, SMS and corporate telecoms communications solutions, from revenue-generating premium rate and SMS network services, to…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Partial evidence “We provide flexible, scalable and cost-effective telecom services that help businesses of all sizes save money, increase efficiency and delight their customers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 9 contacts → | ||||
Partial evidence “Simwood: API-first, infrastructure-based, UK & US domestic carrier.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 9 contacts → | ||||
Partial evidence “Our telecoms company provides exceptional B2B telecommunications services, including mobile, VoIP, and broadband solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 8 contacts → | ||||
Strong evidence “QUIITS-Quilon Intelligent Telecom Solutions Intelligent Connectivity for the Connected Future QUIITS is a telecom technology company focused on building the platforms that power…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 7 contacts → | ||||
Partial evidence “We provide a complete package of innovative premium rate, SMS and corporate telecoms communications solutions, from revenue-generating premium rate and SMS network services, to…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecom api platform companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names telecom api platform companies.
- Partial evidence
- Its own public description names part of telecom api platform companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom api platform companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 98 telecom api platform companies based in the United Kingdom
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Telecom api platform companies based in the United Kingdom at a glance
As of Sep 29, 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 98 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecom api platform companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United Kingdom whose own description of what they do matches “telecom api platform companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecom api platform companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among telecom api platform companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 446 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Telecom api platform companies by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecom api platform companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many telecom api platform companies are there based in the United Kingdom?
RevenueBase identified 98 telecom api platform companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Monty Mobile, headquartered in London, tops this list with the largest team on record.
Which city has the most telecom api platform companies?
London leads with 40 headquartered companies, followed by Birmingham (3) and Chelmsford (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 446 verified decision-maker contacts tracked across these 98 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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.
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