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Telecommunications Companies in Swansea: 43 Active Firms (2026)
Telecommunications companies in Swansea provide network, connectivity and communications services across the city-region.
Buying centres tend to sit in IT operations, estates and facilities teams, procurement functions and, for public-sector work, digital or infrastructure commissioning. The most relevant suppliers sell into businesses, public bodies and infrastructure customers rather than consumers alone, with engagements ranging from retained managed-communications support to project-based network installation, hosted voice migration, connectivity resale and field engineering. Swansea-area firms in this segment often need a local delivery footprint across South Wales, while larger contracts usually require evidence of service continuity, installation capability and account support. The commercial pattern is therefore mixed: recurring service revenue where connectivity or hosted communications are bundled, and shorter project income where installation or maintenance is the main activity.
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Swansea has 43 actively trading telecommunications companies, making this a compact city-region cohort rather than a broad national cluster. Reported employment is visible across the headcount-reporting base: 483 staff are attached to the firms that disclose workforce numbers, with all 25 headcount-reporting firms publishing a figure. Scale is uneven within that group. Only 3 companies report turnover above £5M, while 6 have been incorporated since 2022, which leaves the local list weighted towards established small operators, communications resellers and engineering-led service providers rather than a deep pool of higher-turnover telecoms platforms.
Compliance pressure is shaped less by Swansea itself than by the activity mix. Operators handling business voice or connectivity contracts need clear terms for service availability, fault response and customer transfer, while network installers must manage permissions, wayleaves and street works before physical deployment. Public-sector buyers add procurement scrutiny around continuity, security processes and support cover. Resellers and managed-communications providers also carry dependence on upstream networks, so contract risk often sits in fault ownership, escalation routes and service credits. For researchers, the useful distinction is between asset-owning operators, engineering contractors and service-layer providers, because each faces a different operational burden.
Future movement appears likely to come from service bundling rather than a wave of new infrastructure builds. Smaller providers tend to defend accounts through local support, installation knowledge and managed voice or data packages, while larger buyers often prefer suppliers that can coordinate multiple carriers and handle escalation. Early-stage entrants may find resale and specialist engineering easier than asset ownership. Consolidation is plausible where ageing owner-managed operators meet rising expectations on cyber controls, uptime reporting and procurement assurance, but the Swansea market is more likely to shift by gradual account migration than by sudden expansion.
43
Active firms
2026
3
Above £5M
Companies over £5M
6
Founded since 2022
Recent incorporations
Key facts
About 6% of the trading cohort reports turnover above £5M (3 of 43 firms) — the rest sits below that revenue band.
13% of the cohort was incorporated since 2022 (6 firms), so a sizeable share is in its first few filing cycles.
Swansea telecoms firms provide network, connectivity and communications services for local businesses, public-sector delivery and household access.
Connectivity services sit behind cloud software, remote working, field services and contact-centre operations across the city-region.
The local market appears split between larger connectivity operators and a longer tail of specialist service providers.
For sales teams and researchers, scale and service model are likely to separate prospects more clearly than the telecommunications label alone.
Top Swansea Telecommunications companies
COMEX IT LTD
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides IT and telecommunications services including managed IT support, networking and Wi‑Fi, cloud infrastructure, Microsoft 365 and security. Supplies and supports radio communication systems,…
Serves businesses and organisations, particularly in South Wales, needing external support for IT, telecoms, radio communications, premises technology, office moves, and mobile workforce connectivity.
Financial Health
StableStable · -7% 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
CAMPINGCONNECT LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides WiFi and broadband infrastructure for holiday parks and campsites, including leased lines, guest hotspot networks, and wireless connections to caravans and lodges. Also supplies VoIP phone…
Serves holiday park, camping, touring and glamping site operators in the leisure industry, plus holiday guests and private owners of caravans, static holiday homes and lodges.
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 2y
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
CamComms Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
HealthyHealthy · 0% CAGR over 1y
Location
Ammcom Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides network cabling and electrical installation services, including design, installation, testing and implementation of voice, data and fibre optic cabling infrastructure. Also delivers IT…
Serves UK organisations and main contractors, including direct commercial clients and subcontracting partners requiring electrical, network cabling and IT infrastructure installation support.
Financial Health
StableStable · 0% CAGR over 3y
Location
RUNTECH EUROPEAN GROUP LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides audio‑visual and unified communications system design and integration for businesses, including meeting room technology, video conferencing, digital signage, audio systems, and event AV.…
Sells to businesses and organisations needing workplace AV and communications systems, especially corporate offices, co-working operators, education providers, retailers and hospitality venues, with…
Financial Health
StableStable · Hiring · 9% CAGR over 3y
Location
Softell Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak
Location
A P Logistics Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
SA1 TELECOMS LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable · 0% CAGR over 2y
Location
Q3 Associates Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
D5L Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
ARK Electronics UK Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Tech-Wales Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT support, cloud computing and business telecom services for organisations, including fibre broadband, VoIP phone systems, Microsoft 365 migration, cybersecurity, data backup, IT…
Serves small and medium-sized businesses and organisations across Wales and the UK that need external IT support, business telecoms, broadband and Microsoft cloud support.
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
BCC IT Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides business IT services including consultancy, network design, cloud and Microsoft 365 support, cybersecurity, managed Wi‑Fi, voice and communications, and networking infrastructure. Also…
Serves B2B customers, including local Welsh businesses plus regional and national organisations, with buyers responsible for IT, cloud, cybersecurity, communications, continuity and network…
Financial Health
WeakWeak · 3% CAGR over 2y
Location
Foster Electrical Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy · 0% CAGR over 3y
Location
BINK BROADBAND LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides residential fibre broadband and Voice over IP phone services. Builds and operates its own fibre network, offering internet packages, postcode availability checks, installation, and landline…
Serves consumers and households in Wales seeking home broadband and landline/VoIP services, with availability checked by postcode and packages aimed at residential properties.
Financial Health
StrongStrong · Hiring · 41% CAGR over 4y
Location
MEIBION MAESYCASTELL LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides managed IT support, cloud services, telecoms systems and cybersecurity services for businesses, including penetration testing, compliance and threat monitoring. Also supplies managed print…
Serves B2B customers and organisations in South Wales, including businesses needing IT, telecoms, cybersecurity, managed print, office interiors and office supplies support.
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 2y
Location
FATHOM IT LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides IT networking and infrastructure services including data cabling installation, Cat5/Cat6 and fibre certification, CCTV and door access systems, VoIP connectivity, cloud backup, and remote IT…
Serves businesses and organisations nationwide, including offices, warehouses, retailers, schools, construction firms, public sector bodies, logistics operations, hospitality venues, farms, shopping…
Financial Health
DistressedDistressed
Location
MBSAT LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Blacktree Technologies
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsSupplies secure tactical communications equipment for defence applications, acting as a reseller and representative for TrellisWare Technologies. Provides radios and MANET-based communication…
Serves defence organisations, defence primes, UK MoD-related buyers and military communications teams supporting deployed operations and coalition interoperability.
Financial Health
DistressedDistressed · 0% CAGR over 3y
Location
Direct Market Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
VAUGHAN SOUND INSTALLATIONS LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsDesigns, supplies, installs and maintains sound, communications, audio‑visual and lighting systems. Provides public address, voice alarm, induction loop, conference, projection, CCTV and digital…
Serves schools, colleges, local authorities, public sector bodies, industrial and commercial sites, leisure venues, heritage and community organisations, sports stadia and places of worship.
Financial Health
StableStable · 0% CAGR over 3y
Location
Mobile Buddy Swansea Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -16% CAGR over 4y
Location
SPIKY RICH LTD
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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How Swansea Telecommunications companies work and how to sell to them
What they do
Revenue usually comes from a blend of recurring service charges and project work. Connectivity resale, hosted voice, mobile infrastructure support and managed communications are typically priced by circuit, seat, site or support tier, with one-off fees attached to installation, configuration and migration. Engineering-led firms may earn more from survey, cabling, maintenance and fault-response work than from service margin. Because many providers depend on upstream networks, commercial performance often turns on retention, renewal timing, fault handling and the ability to bundle support around products that customers could otherwise buy from larger suppliers.
Who they sell to
Most Swansea-area telecommunications providers sell to SMEs, regional multi-site operators, public-sector estates and infrastructure customers rather than broad consumer markets. Day-to-day sponsors tend to be IT managers, operations directors, estates leads and procurement teams, with finance involved where contracts combine service charges, equipment and installation costs. Smaller deals can move through direct sales, referrals or account management, while public-sector and larger business work tends to involve formal procurement, service-level evidence and supplier due diligence. Sales cycles vary: replacement lines and hosted voice moves can be short, while site roll-outs and framework-style contracts take longer.
What they buy
Telecommunications firms tend to spend on systems that improve service delivery, billing accuracy and customer retention. Common categories include CRM, quoting, contract management, ticketing, field-service scheduling, network monitoring, asset registers, call logging, customer portals and finance software that can handle recurring charges. Security, identity access, backup, device management and compliance documentation also matter where providers handle customer connectivity or public-sector work. Engineering-led operators may buy fleet management, stock control, test equipment, training, insurance and subcontract labour. Growth-minded firms usually need marketing, bid writing, recruitment and accounting support alongside technical tooling.
Why and how to sell to them
Buying intent tends to surface when providers win larger accounts, add field engineers, take on public-sector work, migrate customers to hosted communications, or face pressure from service credits and escalation failures. Leadership changes and account-book acquisitions can also create a review point, especially where older billing, ticketing or renewal processes are still spreadsheet-led. Useful outbound angles are specific: reducing missed renewals, proving service levels, speeding fault triage, reconciling carrier costs, shortening installation handovers or producing cleaner evidence for procurement. Generic efficiency claims are less persuasive than a clear link to uptime, margin protection or account retention.
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.
Also in Swansea
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Frequently asked questions
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