Telecoms Companies in Glasgow: 226 Active Firms (2026)
Telecoms companies in Glasgow provide connectivity, network infrastructure and communications services across the city region.
Buying centres tend to sit with IT, facilities, procurement and operations teams, with finance involved where connectivity is bundled into managed support. The customer base is mainly business-to-business, public-sector and wholesale rather than household retail. Glasgow-area suppliers in scope usually look like small to mid-market operators handling fixed connectivity, mobile communications, network services, installation, maintenance and customer support. Typical engagements are account-managed contracts for premises, sites or local networks, where response times and engineering coverage matter as much as tariff price.
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Glasgow has 226 actively trading telecoms companies in this cohort, giving the city a compact supplier base rather than a national carrier-style concentration. Reported employment totals 759 people, so much of the footprint sits in service delivery, support and installation capacity rather than very large operating companies. A narrow turnover tail is visible: 5 companies report revenue above £5M, while 73 have been incorporated since 2022. That mix points to a market with established local operators, contractors and newer service firms competing around business connectivity and managed communications work.
Public-sector and wholesale contracts usually bring more process than consumer connectivity sales. Procurement checks, service-level commitments, installation access and change-control requirements can lengthen deal cycles, particularly where networks touch shared premises or critical operating sites. Installation and maintenance work also depends on coordination with landlords, street works processes and upstream capacity providers. For smaller Glasgow-area operators, the practical regulatory burden often appears less about a named rulebook and more about proving reliability, documenting support arrangements and staying inside customer procurement rules.
Early-commercial suppliers appear likely to keep entering around installation, managed support and specialist connectivity, where local sales relationships still matter. The harder path is scaling from project-led work into repeatable service revenue, especially when buyers expect resilience, security assurance and responsive support as default. Consolidation pressure tends to sit around customer books, engineering teams and access to upstream capacity. That may leave Glasgow with a broad base of small operators, alongside a thinner layer of firms able to win more complex business and public-sector accounts.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
226
Active firms
2026
5
Above £5M
reported revenue
73
Recent incorporations
since 2022
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Key facts
About 2% of the trading cohort reports turnover above £5M (5 of 226 firms) — the rest sits below that revenue band.
32% of the cohort was incorporated since 2022 (73 firms), so a sizeable share is in its first few filing cycles.
Glasgow’s telecoms segment spans connectivity providers, network-infrastructure businesses and communications-service specialists rather than a single operating model.
Business software, contact centres, mobile working and local digital services all sit on the connectivity layer served by these companies.
Infrastructure-facing suppliers and service-led communications businesses are likely to require separate treatment in sales, sourcing and market-mapping work.
Top Glasgow Telecoms companies
Financial sub-scores
Computed from 5 filingsProvides business telecommunications and IT services including VoIP and cloud phone systems, on‑premise telephony, business broadband, leased lines, mobile contracts, network cabling, managed IT…
Sells to businesses in the UK and Ireland needing telecoms, connectivity and IT support, including small businesses seeking phone systems, broadband, mobile contracts, managed IT and cybersecurity…
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · -90% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsDesigns and installs structured data cabling, fibre optic networks, and wired and wireless networking systems. Provides RFID solutions, IP CCTV, audio‑visual installations, data centre fit‑outs,…
Serves small to large businesses, including organisations with mission-critical IT, security, data centre and networking infrastructure needs, mainly in Glasgow and Scotland.
Financial Health
WeakWeak · -12% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides business telecommunications services including mobile contracts, business broadband, portable MiFi internet devices, and VoIP phone systems. Works with major UK mobile networks to supply…
Serves businesses across the UK seeking telecom and connectivity support, from small firms to larger organisations, with dedicated account management for business mobile, broadband, portable internet…
Financial Health
StableStable · Hiring · 8% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong · Hiring · 41% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides business telecommunications services including mobile contracts, fixed-line calls, hosted and unified telephony, data connectivity and internet services. Also supplies IoT, mobile device…
Serves businesses and charities needing managed telecoms, mobile, connectivity and utilities support, including organisations with multiple lines, devices or sites.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides managed IT services including outsourced and co‑managed IT support, cloud infrastructure, cybersecurity, internet connectivity, and business telephony. Offers Microsoft 365 support, hosted…
Serves businesses with internal IT teams needing co-managed support and organisations outsourcing IT management, alongside buyers responsible for connectivity, voice, cloud and cyber security.
Financial Health
StrongStrong · Growing · 3% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsProvides network and data cabling installation services for commercial clients, including structured cabling, fibre optic cabling, WiFi installations and telecommunications infrastructure. Also…
Sells to businesses, particularly multinational, commercial and retail firms needing network, cabling and infrastructure support. Serves organisations mainly in Central Scotland, while also working…
Financial Health
DistressedDistressed · -18% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides design, installation and maintenance services for telecommunications pole infrastructure, including pole erection and replacement. Uses tracked cranes, bespoke scaffolding and lifting…
Serves telecoms network operators, infrastructure providers and principal contractors needing poling works across Scotland, including teams responsible for network build, maintenance and field…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 5y
Location
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Financial sub-scores
Computed from 4 filingsProvides IT services including cloud infrastructure, networking and secure connectivity, cyber security, managed IT support, and hybrid cloud solutions. Also implements Microsoft technologies, data…
Serves UK businesses and organisations, primarily IT and digital decision-makers needing external support for cloud, connectivity, cybersecurity, managed services, communications and Microsoft…
Financial Health
DistressedDistressed
Location
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Financial sub-scores
Computed from 2 filingsFinancial Health
HealthyHealthy
Location
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Financial sub-scores
Computed from 4 filingsFinancial Health
StableStable
Location
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Computed from 5 filingsProvides telecommunications network and media delivery solutions, including headend systems, DOCSIS cable infrastructure, FTTH GPON/XGSPON equipment, IPTV and OTT platforms, video encoding and…
Serves B2B telecommunications operators, cable and broadband service providers, IPTV/OTT providers and broadcasters needing network, headend, DOCSIS, FTTH, satellite and video delivery infrastructure.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDevelops private 5G standalone networks and radio systems for broadcast production, including network‑in‑a‑box and optimised uplink solutions for live video. Provides software‑defined networking,…
Serves broadcasters, live news, sports and event production teams, plus enterprises and engineering teams seeking private 5G, FPGA/RFSoC, software-defined radio consultancy or technical training.
Financial Health
StrongStrong · Growing, Hiring · 117% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides business IT support and managed services including server hardware support, cloud server hosting, network infrastructure, Microsoft 365 setup, IT security, backup and disaster recovery, VoIP…
Serves businesses across a range of industries that rely on critical IT systems, including organisations seeking an external IT team for infrastructure, cloud, telecoms and website support.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak
Location
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Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsInstalls structured cabling and fibre optic infrastructure for communications networks. Provides network infrastructure installation, IPTV system setup, and security system cabling for commercial and…
Serves a mix of B2B and residential customers, including large organisations and homeowners with requirements for communications cabling, network infrastructure, IPTV and security system…
Financial Health
StableStable · -8% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed
Location
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Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
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Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 4 filingsProvides telecommunications engineering consultancy and specialist personnel for subsea cable projects, terrestrial and mobile networks. Supplies engineers for marine and renewable energy operations…
Serves telecommunications vendors, subsea cable operators, mobile and terrestrial network providers, and marine or renewable energy project teams needing specialist engineering personnel and…
Financial Health
StableStable
Location
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Computed from 3 filingsDesigns and installs telecommunications, security, networking and audio‑visual systems for residential and commercial properties, including CCTV, intruder alarms, access control, door and gate…
Serves homeowners and businesses needing residential or commercial security, automation, networking and audio-visual installations, including offices, boardrooms, car parks and sites requiring access…
Financial Health
StrongStrong · Hiring · 8% CAGR over 2y
Location
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Provides workplace technology and business support services including managed print, telecommunications, IT infrastructure and security systems, mailroom automation, and office supplies. Also offers…
Serves UK businesses of all sizes needing workplace infrastructure support, including print, telecoms, IT, security, mailroom and office supplies across multi-site and demanding business environments.
Location
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Computed from 3 filingsProvides workplace technology and business infrastructure services including managed print, telecoms and connectivity solutions, IT support and security systems, and mailroom automation. Also…
Serves businesses of all sizes across the UK, including organisations with office, print, telecoms, IT, security and mailroom needs across single or multi-site workplace environments.
Financial Health
StableStable · -91% CAGR over 2y
Location
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Computed from 5 filingsFinancial Health
StableStable
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Computed from 5 filingsFinancial Health
WeakWeak · -69% CAGR over 4y
Location
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Computed from 3 filingsFinancial Health
WeakWeak · 0% CAGR over 2y
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Provides workplace technology and business support services including managed print and document systems, telecoms and connectivity, IT infrastructure and security systems, mailroom automation, and…
Serves businesses of all sizes across the UK, including multi-site organisations and buyers responsible for workplace infrastructure, IT, telecoms, print, mailroom and office supplies.
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Computed from 2 filingsProvides design and installation of ICT and building technology systems, including structured and fibre optic cabling, wireless networks, audio‑visual installations, CCTV and access control, digital…
Serves businesses and organisations across the UK, particularly those with offices, campuses or other work environments needing outsourced support for building infrastructure, AV, visual…
Financial Health
WeakWeak · Hiring · 20% CAGR over 1y
Location
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Computed from 2 filingsProvides IT consultancy and managed IT services for businesses including system virtualisation, VoIP telephony, cloud security, backup and recovery, and technical support. Also advises on…
Serves small businesses and other organisations needing outsourced IT support, telecoms, security and compliance help, including buyers planning Microsoft-based infrastructure, virtualisation or…
Financial Health
WeakWeak · 0% CAGR over 1y
Location
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Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
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Computed from 5 filingsFinancial Health
DistressedDistressed
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Computed from 5 filingsFinancial Health
StableStable · -10% CAGR over 4y
Location
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Financial Health
N/AN/A
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Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 7y
Location
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Computed from 5 filingsFinancial Health
StableStable
Location
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Computed from 3 filingsFinancial Health
StableStable
Location
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Computed from 5 filingsFinancial Health
StableStable
Location
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Computed from 5 filingsFinancial Health
WeakWeak
Location
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N/AN/A
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Computed from 2 filingsFinancial Health
StrongStrong · Hiring · 100% CAGR over 1y
Location
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Computed from 5 filingsInstalls fibre optic and data network cabling systems for businesses, including loose tube, breakout and blown fibre, single and multimode fibre, and Cat6 structured cabling, providing tailored…
Serves businesses in Glasgow and Scotland that need fibre optic, data and Cat 6 network cabling installations, including commercial customers seeking minimal disruption to operations.
Financial Health
HealthyHealthy · -44% CAGR over 4y
Location
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Computed from 5 filingsProvides unified communications and cloud telephony systems, in‑building cellular coverage (DAS), and smart‑building connectivity solutions. Offers design, installation and managed services for…
Serves B2B and public-sector organisations managing large buildings and estates, including airports, hospitals, hospitality venues, shopping centres, commercial properties, mixed-use developments and…
Financial Health
StrongStrong
Location
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Computed from 5 filingsFinancial Health
StableStable · -69% CAGR over 4y
Location
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Computed from 5 filingsProvides business telecommunications and connectivity services including hosted telephone systems, SIP and VoIP, broadband and Ethernet connectivity, Microsoft Teams integration and direct routing,…
Serves businesses needing telephony, connectivity and IT infrastructure, particularly organisations with multiple sites, remote or hybrid teams, office relocations, or upgrades from legacy providers.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 4y
Location
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Computed from 5 filingsProvides business telecommunications and IT services including fibre broadband (FTTP), leased lines, business mobile plans, VoIP office phone systems, inbound call solutions, point‑to‑point Wi‑Fi,…
Serves businesses seeking telecoms, broadband, mobile, IT and utility suppliers, including firms upgrading connectivity through FTTP, leased lines or business mobile plans.
Financial Health
HealthyHealthy · 0% CAGR over 5y
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How Glasgow Telecoms companies work and how to sell to them
What they do
Glasgow-area telecoms suppliers usually earn through recurring service contracts, installation charges, equipment margins and managed-support retainers. Fixed connectivity is commonly priced by site, circuit or bandwidth tier; mobile and voice services tend to be priced by user, handset or usage bundle; engineering work is billed as implementation, maintenance or change work. A smaller part of revenue may come from wholesale resale or referral margins where the supplier sits between an upstream network provider and the end customer. The commercial shape is therefore a mix of infrastructure access, account management, service desk coverage and field engineering rather than pure software or retail hardware sales.
Who they sell to
Customer conversations typically start with IT managers, operations directors, facilities teams or owners in smaller businesses, then move to finance or procurement when contracts cover several sites or bundled support. Public-sector and wholesale buyers usually run more formal processes, with service-level evidence, insurance, security assurance and installation planning checked before award. Smaller commercial deals often come through referral, local relationship selling or account-managed renewal; larger estates are more likely to involve comparison exercises, written proposals or RFP-style procurement. Buyers tend to care less about generic telecoms claims than about coverage, response times, fault handling and the cost of moving away from an incumbent supplier.
What they buy
Most Glasgow-area telecoms firms tend to spend on systems that help them quote, provision, bill, monitor and support customer services. Useful categories include CRM, recurring billing, customer support ticketing, field-service scheduling, network monitoring, asset management, inventory control, cyber security, identity management, backup, finance and contract management. Service providers may also buy outsourced marketing, bid support, technical recruitment, legal advice, insurance, credit control and health-and-safety training for engineers. Infrastructure spend often includes cloud hosting, test equipment, vehicles, installation tools and secure connectivity into upstream suppliers. The common thread is operational control: fewer missed faults, clearer margins by customer and cleaner renewal management.
Why and how to sell to them
Buying intent tends to appear when a telecoms provider is moving from project-led installation work into repeatable managed services, taking on more sites, hiring engineers, bidding for public-sector work or replacing manual billing and support processes. Pain points are usually practical: thin resale margins, customer churn, missed service levels, engineer utilisation, cash tied up in hardware, and evidence needed for procurement checks. Outbound angles work better when framed around contract retention, faster fault resolution, cleaner handover from sales to delivery, or reduced admin around renewals and billing. Claims about growth are less persuasive than a clear link to uptime, margin visibility or bid readiness.
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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Frequently asked questions
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