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Telecoms Companies in the UK: 13,000+ Active Firms (2026)
Telecoms companies in the UK build, operate and support fixed, mobile and data communications networks for businesses and consumers.
Buying centres tend to sit in network procurement, IT operations, facilities management and customer contact teams rather than a single software budget. Enterprise and public-sector buyers usually want managed connectivity, voice, mobile fleet support, installation and maintenance bundled into contracts with service-level commitments; smaller business customers are more likely to buy reseller-led broadband, telephony and support. Wholesale demand sits behind both, where access providers, installers and systems maintainers supply capacity, wayleaves, cabling, mast work and field engineering. Engagements are often multi-site and renewal-led, with switching costs tied to equipment, service continuity and contract break points.
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Around 13,870 telecoms companies are actively trading in the UK, spanning network owners, communications service providers, resellers, installers and support specialists. Reported employment across the cohort totals 3,107 people. That pairing suggests a broad supplier base with a relatively small disclosed employment footprint, reflecting the mix of asset-light resellers, project-led installation teams and managed-service providers alongside more capital-intensive network operators. For researchers, the point is less a single national operator story than a layered market of infrastructure, wholesale access, enterprise communications and local field support.
Market structure is shaped by the practical constraints of network access as much as by end-customer demand. Fixed-line providers depend on duct, pole, street-works and wayleave processes; mobile operators and infrastructure partners face site access, spectrum and planning constraints. Resellers and managed communications providers carry less infrastructure risk, but are still exposed to service continuity, emergency calling, number portability, complaints handling and contract transparency expectations. Public-sector and enterprise procurement also tends to press suppliers on resilience, cyber controls and subcontractor oversight, especially where connectivity supports critical sites or regulated operations.
Consolidation appears more likely among resellers, installers and smaller managed-service providers than among asset owners, because procurement scale, support coverage and wholesale buying power tend to matter once customers standardise communications estates. Network-owning businesses should remain harder to displace, although capital requirements and planning friction keep expansion selective. The recently incorporated tail points to continuing entry around specialist installation, cloud voice support and niche managed connectivity, but many of these firms may stay small. Margin pressure looks more likely to come from wholesale costs, service-level expectations and buyer scrutiny than from a sudden change in end-user demand.
13,870
Active firms
2026
335
Above £5M
Companies over £5M revenue
3,440
Recent incorporations
Incorporated since 2022
Key facts
About 2% of the trading cohort reports turnover above £5M (335 of 13,870 firms) — the rest sits below that revenue band.
24% of the cohort was incorporated since 2022 (3,440 firms), so a sizeable share is in its first few filing cycles.
UK telecoms firms span fixed, mobile and data communications networks, so buyer needs range from consumer access to business connectivity.
Broadband access, mobile connectivity, voice services and business data links sit inside the same broad telecommunications classification.
The segment includes operating employers as well as group, asset-owning and infrastructure vehicles, which can make revenue and staffing patterns uneven.
Top UK telecoms companies
SPITFIRE NETWORK SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications and internet services including VoIP and SIP voice connectivity, fibre broadband, Ethernet and dedicated circuits, hosted PBX, mobile and IoT connectivity, and…
Serves SMEs, larger businesses, telecoms/channel partners and public sector organisations procuring connectivity and voice services, including buyers needing managed WAN, IoT and SIP/VoIP.
Financial Health
DistressedDistressed · -69% CAGR over 4y
Location
F & W NETWORKS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsBuilds and operates full‑fibre broadband infrastructure, deploying fibre‑to‑the‑premises (FTTP) networks. Provides gigabit internet connectivity for residential and business premises and offers…
Serves residents, businesses, landlords, developers, public sector bodies, wholesale ISPs and rural communities in mid-sized towns and rural areas across the South of England.
Financial Health
HealthyHealthy · -59% CAGR over 4y
Location
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides wholesale telecommunications services and platforms, including SIP trunking, PSTN connectivity, voice termination, numbering, SMS and IP transit. Offers API-based tools and white‑label…
Targets B2B telecom carriers, VoIP providers, hosted voice dealers/resellers and communications platform operators serving business end customers, with UK, US and global reach.
Financial Health
DistressedDistressed · -9% CAGR over 1y
Location
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsBuilds and operates a wholesale full‑fibre telecommunications network that connects homes, businesses and public sector sites. Provides fibre infrastructure and platform services used by internet…
Serves UK residential consumers, businesses, public sector organisations, landlords, mobile operators and broadband providers, including partner ISPs selling broadband to homes and commercial…
Financial Health
WeakWeak
Location
Magrathea Telecommunications Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides wholesale telecommunications services including UK and Irish number hosting and porting, voice connectivity, SIP and VoIP interconnects, call termination, and IP and physical network…
Serves B2B telecoms providers, VoIP resellers and communications businesses in the UK and Ireland that need wholesale numbering, voice connectivity, interconnect, colocation or inbound call-handling…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 5y
Location
SITEC INFRASTRUCTURE SERVICES LIMITED
Trajectory
2y · 2020–NowFinancial sub-scores
Computed from 2 filingsProvides programme and project management, design, acquisition, planning and construction services for mobile and fixed telecommunications networks, including fibre network design and build, site…
Serves major UK mobile and fixed-line telecoms operators, network infrastructure owners and other industry players needing large-scale network portfolio support and deployment across urban and rural…
Financial Health
WeakWeak · Hiring · 26% CAGR over 1y
Location
TALKTALK BUSINESS DIRECT LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides telecommunications and connectivity services for businesses, including fibre broadband, leased lines, 4G/5G connectivity, SD‑WAN networking, voice and collaboration services, cloud…
Serves UK business and public-sector customers, from SMEs to enterprises, including retail, logistics and hospitality firms, education providers, local government bodies and housing organisations.
Financial Health
StableStable · 8% CAGR over 1y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides international telecommunications services including wholesale and retail voice termination, roaming and SMS services, internet backbone connectivity, satellite network management, and cable…
Serves telecom carriers and operators needing international connectivity, with emphasis on routes into Africa, the Middle East and other emerging voice markets.
Financial Health
WeakWeak · -13% CAGR over 4y
Location
OPTINET U.K. LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides business network connectivity and managed services, including fibre and Ethernet connectivity, cloud connectivity, enterprise interconnection (NNI), and zero‑loss failover solutions. Designs…
Serves UK businesses and property/building operators, including enterprises, contact centres, multi-tenant buildings and organisations with high-availability communications requirements.
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 2y
Location
Onestream Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides residential broadband and fixed-line internet services, including fibre and full‑fibre connections. Offers home internet packages with varying download speeds, unlimited data usage, and…
Serves UK residential consumers and households seeking fixed-line, fibre or full-fibre broadband, including customers switching from other providers and adding home security or VPN services.
Financial Health
WeakWeak · -1% CAGR over 2y
Location
Daly Systems Limited
Trajectory
2y · 2022–NowFinancial sub-scores
Computed from 2 filingsProvides business telecommunications and IT services, including mobile phone contracts, hosted VoIP and unified communications, cloud contact centre platforms, broadband and ethernet connectivity,…
Serves SMEs, enterprise organisations and public sector bodies, targeting IT, operations and customer experience teams managing mobile workforces, connectivity needs and contact centres.
Financial Health
StableStable · -4% CAGR over 1y
Location
Telcom Networks Limited
Trajectory
4y · 2020–NowFinancial sub-scores
Computed from 4 filingsProvides telecommunications networking solutions including carrier Ethernet, microwave radio, DWDM/CWDM and TDM multiplexing systems. Supplies, integrates and supports network infrastructure for…
Serves telecom carriers, power and utilities operators, critical infrastructure owners, and enterprise network teams, including organisations managing industrial IoT, smart meter backhaul, and legacy…
Financial Health
HealthyHealthy · Hiring · 23% CAGR over 3y
Location
NIO GROUP LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides project delivery services for telecommunications infrastructure, including consultancy, network planning, civil engineering works, cable installation, fibre splicing, and testing for telecom…
Serves UK telecommunications companies, including network operators and telecom infrastructure providers, as a B2B supplier for infrastructure rollout and delivery programmes.
Financial Health
StrongStrong
Location
Comm-Tech Voice & Data Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides business telecommunications and IT services, including VoIP and hosted telephony, business phone systems, broadband and leased line connectivity, managed Wi‑Fi and SD‑WAN, mobile solutions,…
Serves businesses and organisations across the UK, including education providers and teams responsible for communications, connectivity, mobile estates, IT operations and security.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 6% CAGR over 2y
Location
MAP GROUP (UK) LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides technology and engineering services to the telecommunications and broadband sector, including network design and planning, fibre and cable network build, overhead line construction,…
Serves UK communications-sector organisations, including network operators, broadband and service providers, utility providers, private enterprises and public bodies.
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
ALNWICK COMPUTERWARE LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, builds and maintains fibre and wireless broadband networks, and provides fixed-line telecommunications and internet services to residential and business customers, including ultrafast…
Sells to residential and business broadband customers, especially rural households, home workers and organisations in Northumberland and North East England that need full fibre connectivity in…
Financial Health
StableStable · -88% CAGR over 2y
Location
Fibretech UK Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides optical fibre and telecommunications engineering services, including fibre cabling installation, splicing and testing, FTTP network builds, trunk and internal cabling, CATV and metallic…
Serves telecoms, transmission and media-sector businesses, including network operators, fibre broadband providers, utilities and traffic communications teams, civils contractors and developers across…
Financial Health
StrongStrong · Growing · 2% CAGR over 4y
Location
SOCIAL TELECOMS C.I.C.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides telecommunications and connectivity services to social housing providers and local authorities, including unified communications, mobile airtime, SD‑WAN and cloud connectivity, community…
Serves UK social housing providers, local authorities and councils, including their resident communities, through public-sector procurement frameworks for housing-focused communications and digital…
Financial Health
StableStable · -4% CAGR over 4y
Location
BEST 4 BUSINESS COMMUNICATIONS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides business telecommunications services including VoIP and hosted phone systems, SIP telephony, business broadband connections, Wi‑Fi networking, and mobile plans. Also offers installation,…
Serves UK businesses of varying sizes, from small businesses to larger brands, with buyers responsible for office communications, connectivity, mobile plans, technical support, and customer contact…
Financial Health
HealthyHealthy · Growing · 4% CAGR over 2y
Location
GPS Telecoms Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides telecommunications and IT services including VoIP hosted phone systems, high‑speed internet connectivity, leased lines, bonded 4G/5G networks, business mobile plans, unified communications,…
Serves businesses and public sector organisations across retail, food, education, housing, manufacturing, healthcare, enterprise and transport, including multi-site and hybrid-working teams.
Financial Health
HealthyHealthy · Growing · 2% CAGR over 5y
Location
Abzorb Group Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides telecommunications services including business mobile contracts, hosted VoIP and SIP telephony, broadband connectivity, IoT solutions, enterprise networking, and cloud‑based network…
Sells B2B to telecoms reseller partners and businesses of all sizes, including single-site and multi-site organisations seeking managed communications, connectivity, IoT, networking and security…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
The Networking People (TNP) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides network infrastructure consultancy, design and support services, including internet connectivity, WAN and LAN design and build, microwave and radio engineering, unified communications,…
Serves public sector and business organisations, including higher and further education institutions, schools and colleges, local government, NHS bodies, service providers and wholesale telecoms…
Financial Health
HealthyHealthy · Profitable · 3% CAGR over 2y
Location
CLARKE PHONES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides telecom infrastructure deployment and maintenance services, including site acquisition, network design, civil construction, rigging, microwave installation, power and data infrastructure…
Serves UK cellular network operators and infrastructure clients, including transport, outdoor media and public infrastructure site owners requiring telecoms, power, data and wireless network projects.
Financial Health
WeakWeak · 2% CAGR over 2y
Location
Cobra Cabling Solutions Ltd
Trajectory
2y · 2023–NowProvides telecommunications infrastructure installation services for network operators, including fibre and FTTP cabling, underground and overhead cable installation, network surveying, test rodding…
Serves UK telecoms network operators, major broadband networks and telecoms installation contractors, including organisations delivering fibre and cabling infrastructure projects.
Financial Health
Insufficient historyInsufficient history
Location
FLEET MOBILE COMMUNICATIONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides managed mobile communications services for businesses, including mobile voice and data plans, handset supply, mobile device management, IoT connectivity, and technical support. Also offers…
Serves UK SMEs, large enterprises, blue-chip PLCs, LLPs, social housing groups and public sector bodies procuring through CCS frameworks, plus business customers needing managed mobile estates and…
Financial Health
WeakWeak · -6% CAGR over 2y
Location
Brightstar Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides business internet connectivity and communications services including leased lines, broadband, VPN, IP transit, VoIP telephony, and managed email. Also offers cloud hosting, colocation,…
Sells to UK businesses needing connectivity and communications services, from SMEs with a handful of staff to large enterprise and blue-chip organisations with 1,000+ users. Targets business buyers…
Financial Health
StrongStrong · Hiring · 18% CAGR over 2y
Location
FLEXGRID LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides business connectivity services including carrier‑diverse Ethernet, full‑fibre (FTTP/FTTC) broadband, cellular M2M and IoT SIM connectivity, satellite links, and managed SD‑WAN networking.…
Sells to UK businesses, especially modern enterprises with multi-site networks and demanding connectivity needs. Targets organisations seeking Ethernet, FTTP, cellular, satellite and SD-WAN services,…
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
Location
NGN COMMUNICATIONS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications and connectivity services, including managed data networks, internet access, MPLS/VPLS WAN, mobile airtime and devices, SIP and WLR voice services, and hosted or…
Serves businesses with office and remote workforces, including healthcare providers, manufacturers, suppliers, retailers and sport/leisure operators, typically selling to IT directors, business…
Financial Health
StableStable · -71% CAGR over 4y
Location
SAVIN COMMUNICATIONS LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides telecommunications and IT services for businesses, including mobile contracts, VoIP phone systems, broadband and leased-line connectivity, call recording, cloud solutions, mobile device…
Serves UK businesses and enterprises needing telecoms, mobile, connectivity, cloud and managed IT suppliers, including organisations with multiple users or devices and regulated teams requiring call…
Financial Health
WeakWeak · -4% CAGR over 2y
Location
FUSION FIBRE GROUP LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides full fibre broadband services for residential and business customers, including gigabit-capable internet packages, business broadband, leased lines, VoIP landlines and IT solutions. Partners…
Serves UK households and businesses, including small and large homes, business users, property and facility managers, new-build developers, wholesale networks, and channel or sales partners.
Financial Health
StrongStrong · Growing, Hiring · 124% CAGR over 4y
Location
Exchange Communications Group Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides unified communications and cloud telephony services, smart building technology, and in‑building cellular coverage systems. Designs, installs and manages connectivity platforms, including IoT…
Serves large organisations, property developers and public-sector bodies running high-traffic sites, including airports, hospitals, hospitality venues, shopping centres, commercial buildings,…
Financial Health
DistressedDistressed
Location
WELCOMM HOLDINGS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsHolding company for a group supplying business telecommunications services and hardware, including mobile contracts, VoIP phone systems, contact centre platforms and data connectivity, along with IT…
Serves businesses of all sizes across the UK, including organisations seeking managed telecoms, IT, mobile connectivity, contact centre, fleet safety/telematics and utility supplier support.
Financial Health
StableStable · -73% CAGR over 4y
Location
CORE TELECOM LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates an international telecommunications network providing voice routing, SMS messaging, and carrier interconnection services. Connects mobile operators, enterprises, charities, resellers, and…
Serves businesses of any size, including mobile operators, large enterprises, charities, telecoms resellers and service providers with international telecoms requirements.
Financial Health
DistressedDistressed · -7% CAGR over 2y
Location
1Servco Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides design, planning, and deployment of fibre and wireless telecommunications networks, including FTTP infrastructure and broadband connectivity. Delivers network build, installation, and…
Serves telecoms operators, defence organisations, energy providers and IT enterprises, including organisations involved in fibre rollout, 5G, renewable energy, smart grids and rural connectivity…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
CELLEX LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides planning, design, surveying, civil engineering and construction services for fibre‑optic and telecommunications infrastructure. Delivers end‑to‑end network development including ducting,…
Serves telecoms operators, fibre network owners, utilities, infrastructure developers and businesses across the UK and Europe, from business installation customers to organisations commissioning…
Financial Health
StrongStrong · Hiring · 114% CAGR over 4y
Location
APT GLOBAL SOLUTIONS LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides telecommunications infrastructure services for fibre network deployments, including civil engineering works, network build activities, and fibre splicing and testing for broadband…
Serves B2B telecoms infrastructure clients across the UK, including network operators and delivery partners such as Telent, Circet KN Group and Virgin Media working within the Openreach network.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 4y
Location
BARCLAY DIGITAL SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides telecommunications products and services for businesses, including business mobile plans, VoIP phone systems, SIP lines, broadband and leased-line internet connectivity. Also offers IT…
Targets businesses of varying sizes needing managed communications and IT, especially Northern Ireland organisations in city-centre and rural locations, and companies with remote, office-based or…
Financial Health
HealthyHealthy · -56% CAGR over 4y
Location
Telecoms World Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications services including virtual and non‑geographic phone numbers, VoIP and hosted PBX systems, business broadband, and cloud-based call handling tools such as IVR,…
Sells to businesses, charities and public sector organisations needing business telephony and connectivity, including SMEs, call centres, healthcare providers, property firms, recruiters and…
Financial Health
HealthyHealthy · -2% CAGR over 5y
Location
UPLANDS ONETELCO LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides business telecommunications and IT services, including mobile plans, cloud communications, IoT connectivity, internet connectivity, and managed IT support. Partners with major network…
Serves UK businesses seeking mobile, cloud, IoT, connectivity and managed IT support, including organisations needing tailored communication infrastructure and partners requiring cellular IoT…
Financial Health
HealthyHealthy · 4% CAGR over 2y
Location
Immervox Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications and IT services, including broadband and data connectivity, mobile services, unified communications, managed cloud, cyber security, and IT support. Also delivers…
Serves UK businesses of all sizes and public sector organisations, including healthcare, education, hospitality, travel, logistics, construction, regulated industries, insurance, financial services,…
Financial Health
StableStable · -9% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides international telecommunications services, operating as a carrier for global voice traffic. Offers retail telecom services, wholesale carrier interconnection, and setup and integration of…
Serves B2B telecom carriers, communications service providers and retail customers worldwide, including wholesale voice traffic partners and organisations requiring gateway setup for international…
Financial Health
WeakWeak · -19% CAGR over 4y
Location
Sonix Construction Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides telecommunications construction services, carrying out installation and build of telecoms network infrastructure, including associated civil engineering and site works to support the…
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
GNS COMMUNICATIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides telecommunications infrastructure services including civil engineering works, fibre‑optic network design, planning and installation, network build projects, and maintenance and support for…
Sells to businesses and public-sector bodies needing telecoms infrastructure, including network operators, utilities, local authorities and supply chain partners, primarily for fibre and broadband…
Financial Health
StrongStrong · Growing, Hiring · 71% CAGR over 4y
Location
ITI NETWORK SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides telecommunications infrastructure services including project management, field engineering resources and end‑to‑end delivery of network projects. Services cover wireless systems, FTTx…
Serves blue-chip enterprises and organisations with internal IT teams, including clients in MOD, healthcare, education, energy, transport, retail, hospitality, industrial and security sectors.
Financial Health
StableStable · 1% CAGR over 4y
Location
HG Comms Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides telecommunications infrastructure services including network surveying, planning and design, installation and construction, and maintenance. Supports fibre, mobile and wireless network…
Serves B2B clients across the UK, including telecoms leaders, infrastructure contractors and organisations delivering fixed-line, mobile, wireless, rail and renewable energy network projects.
Financial Health
StrongStrong · Hiring · 86% CAGR over 5y
Location
Gl Telecoms Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides fibre optic telecommunications infrastructure services, including network surveying and design, civil engineering works, and the construction and maintenance of full‑fibre broadband networks…
Serves telecoms operators, infrastructure owners, businesses and local communities across the UK needing full-fibre network delivery, upgrades and maintenance for urban and rural connectivity…
Financial Health
StrongStrong · Growing, Hiring · 21% CAGR over 2y
Location
YOUR COMPANY MOBILES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications services including mobile plans, VoIP phone systems, business broadband, SIM-only packages, IoT connectivity, SD‑WAN networks, and mobile device management. Also…
Serves UK businesses and organisations needing telecoms and connectivity, including SMEs, telecom/IT resellers, Unison branches, golf clubs, domiciliary care providers, schools and construction firms.
Financial Health
StableStable · -63% CAGR over 4y
Location
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides telecommunications services including business phone number ranges, cloud‑based VoIP telephony, bulk and premium SMS messaging, virtual network carrier services, and payment processing via…
Serves businesses of all sizes, including SMEs, contact centres, large corporations and charities. Targets organisations needing business phone numbers, cloud telephony, SMS, payment and call…
Financial Health
DistressedDistressed · -12% CAGR over 1y
Location
Extera Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides business telecommunications systems including unified communications and contact centre platforms. Supplies connectivity such as broadband, leased lines and SIP trunks, installs structured…
Serves B2B customers ranging from single-office companies to multisite multinationals, including organisations with contact centres and office-based teams requiring business communications and…
Financial Health
StableStable · 0% CAGR over 2y
Location
A-2-Sea Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides submarine fibre‑optic cable services including shallow‑water installation, shore‑end and land cable works, and route clearance. Conducts hydrographic and geophysical surveys, maintains and…
Serves B2B customers in the global subsea cable market, including telecommunications cable owners and manufacturers, offshore wind developers, and organisations with submarine, shore-end or…
Financial Health
HealthyHealthy · Profitable, Hiring · 5% CAGR over 3y
Location
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How UK telecoms companies work and how to sell to them
What they do
Telecoms firms earn revenue through recurring access charges, usage-based fees, equipment resale, installation work, managed support and wholesale capacity. Pricing is usually built around the unit being delivered: per circuit, site, user, handset, SIM, port, licence or maintenance visit. Asset owners carry network build and access costs, while resellers and managed communications providers package wholesale inputs with support, billing and account management. Margins therefore depend on utilisation, fault rates, churn, contract renewal discipline and the cost of field service. Engagements range from commodity connectivity bought with light-touch support to estate-wide communications contracts where migration risk, service credits and uptime commitments matter as much as headline price.
Who they sell to
Most telecoms suppliers sell into a mixed buyer base: small businesses buying broadband and voice support, mid-market firms standardising branch connectivity, enterprises managing national estates, public-sector bodies procuring through tender routes, and wholesale customers buying access or engineering capacity. Decision-makers typically include IT directors, network managers, heads of procurement, facilities leads, contact-centre managers and finance teams where billing complexity is material. Commodity services can be sold through self-serve, referral or reseller channels, while larger contracts tend to involve direct sales, technical validation, procurement scoring and renewal negotiation. Sales cycles are shorter for single-site services and longer where installation, number migration, resilience testing or incumbent exit terms are involved.
What they buy
Most telecoms companies tend to spend on systems that reduce provisioning errors, support cost and revenue leakage. Common categories include CRM, CPQ, billing, rating, subscription management, payments, service desk, field-service management, network monitoring, observability, inventory, order orchestration, identity access, cyber security, analytics and customer communications. Installers and infrastructure support firms also buy fleet management, contractor management, scheduling, health and safety training, stock control and specialist recruitment. Legal, accounting and advisory spend often clusters around wayleaves, procurement contracts, dispute handling, regulatory obligations and debt recovery. Sellers should expect technical buyers to ask how any new service fits existing operational support processes rather than treating it as a standalone purchase.
Why and how to sell to them
Telecoms buyers tend to evaluate vendors when operational strain becomes visible: rising support queues, failed installations, billing disputes, churn at renewal, SLA credits, network migration projects or integration after acquisition. Growth can also expose weak handovers between sales, provisioning, engineering and finance, especially where customer estates span several sites or technologies. Outbound messages usually work better when tied to measurable operating frictions, such as fewer truck rolls, faster order-to-cash, cleaner customer records, better renewal visibility, lower fraud exposure or clearer audit trails. Procurement teams are likely to test supplier resilience, implementation risk and subcontractor controls, so evidence from comparable managed-service or infrastructure-heavy environments tends to carry more weight than broad productivity claims.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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