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Telecoms Companies in Cambridge: 69 Active Firms (2026)
Telecommunications companies in Cambridge build, operate and support voice, data, connectivity and network services for regional customers.
Buying activity in Cambridge telecoms tends to sit with IT managers, operations teams, estates leads and public-sector procurement desks, rather than consumer marketing teams. The fit is usually infrastructure and service work: connectivity provision, managed networks, voice support, installation, maintenance and fault response for small and mid-market organisations. Engagements are often practical and recurring, with contract value tied to site complexity, service levels and support coverage. Specialist local buyers also matter where communications reliability is part of safety, continuity or regulated operating processes.
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The Cambridge list contains 69 actively trading telecoms companies, making it a compact local market rather than a broad national cluster. Reported employment across the cohort totals 256 people, so the visible footprint is more consistent with founder-led and small-team operators than with many large network owners. That shape matters for research: turnover-ranked lists will still surface a small number of larger suppliers, but most firms are likely to compete on local responsiveness, maintenance capability and specialist technical coverage.
Licensing, spectrum access and service continuity shape the operating context, even for firms whose day-to-day work looks like installation, support or managed services. Providers handling voice, data and network operations need contracts that cover fault response, customer switching, resilience, privacy and maintenance responsibilities. Public-sector and specialist local buyers tend to ask for continuity planning and documented support processes before price. That favours operators with delivery evidence, while keeping procurement relatively cautious for smaller suppliers.
Service-led operators appear likely to remain the centre of gravity, with recurring support, managed connectivity and maintenance work providing steadier demand than one-off installation projects. Scale-up scarcity may persist because local telecoms work often depends on field delivery capacity, trust with estates teams and long procurement cycles, not only software-like margins. Consolidation pressure tends to rise where smaller operators need wider coverage or specialist engineering depth, although the Cambridge cohort still looks more fragmented than platform-led sectors.
69
Active firms
2026
1
Above £5M
in revenue
6
New incorporations
since 2022
Key facts
About 1% of the trading cohort reports turnover above £5M (1 of 69 firms) — the rest sits below that revenue band.
8% of the cohort was incorporated since 2022 (6 firms), so a sizeable share is in its first few filing cycles.
Cambridge telecoms suppliers cover voice, data, connectivity and network services for regional customers.
Procurement tends to be operational, with buyers looking for continuity across calls, broadband access, managed networks and technical support.
The local supplier base appears weighted towards network-service operators, connectivity resellers and support-led telecoms businesses.
Top Cambridge telecoms companies
Cambridge Fibre Networks Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsBuilds and operates a full‑fibre telecommunications network providing gigabit broadband and dedicated internet access for residential and business customers. Also supplies enterprise connectivity…
Sells to both businesses and consumers in Cambridge and surrounding areas, including SMEs, larger enterprises and telecoms buyers needing broadband, dedicated internet access, Ethernet or dark fibre,…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides taxi free phone systems and public help point units that connect users directly to taxi operators. Supplies equipment, signage and directories, and manages installation, telecom lines,…
Serves B2B and public-sector site operators in healthcare, education, leisure, retail, transport and local government, plus taxi operators seeking customer booking access through on-site phones.
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
NETSERVERS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides business internet and hosting services including colocation, dedicated servers, virtual private servers, web and email hosting, domain registration, and leased line and broadband…
Serves small and medium-sized UK businesses, exclusively B2B, targeting organisations with hosting, colocation, connectivity and network infrastructure needs.
Financial Health
StableStable · 0% CAGR over 3y
Location
Netmore IoT Solutions Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides low‑power wide area network (LPWAN) infrastructure based on LoRaWAN technology. Offers IoT connectivity, network‑as‑a‑service and platform tools enabling utilities, property managers and…
Serves network operators, utilities, property owners and enterprises running IoT projects, including water, gas, electricity, smart city, track-and-trace and district heating/cooling sectors across…
Financial Health
StableStable · Hiring · 47% CAGR over 4y
Location
Attocore Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops mobile core network software for 4G and 5G private networks. Products include compact core, packet core and edge components enabling deployable wireless networks for enterprise, industrial,…
Sells to enterprises, government and defence organisations needing private 4G/5G networks, including manufacturing, logistics, mining, energy, critical communications, IoT and fixed wireless access…
Financial Health
HealthyHealthy · Hiring · 43% CAGR over 4y
Location
European Connectivity Networks UK Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
CONOSCO PROPERTY PARTNERSHIP LLP
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides managed IT services and cybersecurity solutions, including IT support, security operations monitoring, firewall and email security, penetration testing, and cyber consultancy. Also offers IT…
Serves B2B organisations, targeting business leaders, boards and IT teams with concerns around cybersecurity risk, IT resilience, cloud migration, outsourced skills and business communications.
Financial Health
HealthyHealthy · 0% CAGR over 1y
Location
LOHO LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -68% CAGR over 4y
Location
Boffin Technology Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak
Location
HAPPYSERVER LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
SOUTERSMITH LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops connectivity and infotainment software for vehicles, enabling integration of smartphone apps with in‑car displays, passenger multimedia access, and remote telematics support. Provides…
Serves automotive and transport OEMs, Tier 1 infotainment suppliers, device and platform manufacturers, resellers, and fleet operators, including emergency vehicle fleets, worldwide.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
AUTHENTICARD LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
CONVERGENCE BUSINESS TELECOMS SOLUTIONS LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications and IT services including cloud and VoIP telephone systems, business mobiles, broadband connectivity, managed IT support, cybersecurity, Wi‑Fi networks, video…
Serves SMEs and organisations in healthcare, education, retail, manufacturing, professional services and automotive sectors, mainly across East Anglia, including Cambridge, Ipswich and Norwich.
Financial Health
StableStable · -29% CAGR over 2y
Location
DATACONNECTIVITY LIMITED
Trajectory
4y · 2020–NowFinancial sub-scores
Computed from 4 filingsProvides managed IT services for businesses, including IT support, network and fibre data cabling installation, business internet connectivity, managed Wi‑Fi, VoIP phone systems, Microsoft 365…
Sells primarily to businesses, especially small and medium-sized companies needing managed IT support, internet, telecoms and data cabling. Also serves larger enterprises and landlords, with an…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
FWD-IP LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and installs communication infrastructure including fibre optic cabling and wireless networks, along with security systems and audio‑visual technology. Provides technology integration and…
Serves businesses, schools and owners or managers of historic buildings seeking communication infrastructure, security and audio-visual technology installations.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 2y
Location
Hampshire Broadband Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong
Location
Convergence Communications Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications and IT services including cloud telephony and VoIP phone systems, business broadband and mobile connectivity, managed IT support, Wi‑Fi networks, cybersecurity,…
Serves businesses and organisations across East Anglia, including SMEs, healthcare providers, schools, colleges, universities, retailers, manufacturers, professional services firms and automotive…
Financial Health
WeakWeak · -10% CAGR over 4y
Location
Fibrenex Communications Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls and maintains fibre optic and structured network cabling for business communications infrastructure. Provides fibre optic installation, termination and testing, network cabling upgrades, and…
Serves businesses upgrading or expanding internal communications networks, including firms adding users, and electrical contractors requiring fibre termination and testing support for their onsite…
Financial Health
StableStable · Hiring · 21% CAGR over 4y
Location
CRED GROUP LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides managed IT support and technical services for businesses and schools, including network and infrastructure setup, IT security, cloud services, Office 365 email, VoIP telephone systems,…
Serves businesses of all sizes across Cambridgeshire and beyond, including organisations needing managed IT support, cloud, connectivity and security services, plus schools seeking ICT support.
Financial Health
DistressedDistressed
Location
Integrated Communication Systems Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
Pan RF Group Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and implements in‑building distributed antenna system (DAS) solutions to improve mobile phone and private mobile radio coverage. Provides systems for mobile network operators and private…
Serves B2B and public-sector building owners, facilities managers and operators of airports, data centres, heritage sites, offices, hospitals, campuses, hotels, railways, shopping centres, stadiums,…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
IOT & Approval Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides field testing and certification support for wireless and IoT devices on live mobile networks. Services include 3GPP, 4G/5G and NB‑IoT testing, regulatory and type approvals, operator…
Serves B2B wireless device manufacturers, IoT and 5G equipment vendors, mobile network operators/MVNOs, satellite terminal suppliers, and public-safety communications equipment providers.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
1PLEX LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns, implements and supports unified communications and collaboration systems based on Microsoft Teams. Provides solutions including meeting room technology, telephony, contact centre platforms,…
Serves businesses using Microsoft Teams, particularly organisations needing unified communications, telephony, contact centre, meeting room and hybrid working environments for employees, colleagues…
Financial Health
HealthyHealthy · Hiring · 16% CAGR over 3y
Location
Ranplan Wireless
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops wireless network planning and optimisation software used to design, model and simulate indoor and outdoor radio networks, including 5G, Wi‑Fi and private networks, supporting coverage…
Serves telecom operators, wireless network planners, system integrators and enterprises managing private, 5G, Wi‑Fi, in-building, public safety, smart city, venue, transport, industrial and urban…
Financial Health
StableStable · 0% CAGR over 4y
Location
More Comms (East Anglia) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 7% CAGR over 4y
Location
DB Broadcast
Provides consultancy, design, and system integration for broadcast and satellite infrastructure, including IP‑based broadcast systems and earth station facilities. Also develops broadcast hardware…
Serves B2B customers in the broadcast and satellite industries, including broadcasters, outside-broadcast/production firms and organisations running mission-critical traditional or IP-based broadcast…
Location
Computer & Communications Co. Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies cloud communications and computer telephony platforms, including virtual contact centre systems, IVR and speech recognition tools, call handling and recording systems, and PCI…
Serves B2B and public-sector organisations running contact centres, helpdesks and payment operations, including universities, housing associations, telecoms providers, offshoring firms and secure…
Financial Health
DistressedDistressed · -9% CAGR over 4y
Location
BLUEPOINT TECHNOLOGIES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and installs structured network data cabling and data infrastructure systems. Provides consultancy, network audits, data centre builds, CCTV and audiovisual installations, and hosting,…
Serves B2B and public-sector organisations, including government departments, financial institutions and international private-sector clients with data infrastructure requirements across multiple…
Financial Health
WeakWeak · -67% CAGR over 4y
Location
dB Broadcast
Provides consultancy, design and system integration for broadcast and satellite communication systems. Develops IP-based broadcast infrastructure, supplies specialist broadcast products, and delivers…
Serves B2B customers in the broadcast and satellite industries, including broadcasters, media production companies and organisations needing traditional, IP-based or satellite earth station systems.
Location
Ranplan Wireless
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops wireless network planning and optimisation software used to design, model and simulate indoor and outdoor radio networks, including 5G, Wi‑Fi, private networks and IoT systems, supporting…
Serves telecom operators, wireless network planners, enterprises and public-sector bodies responsible for 5G, Wi‑Fi, private, in-building, public safety, transport, smart city and large-venue…
Financial Health
DistressedDistressed · -6% CAGR over 4y
Location
BLUEMAX TECHNOLOGY SUPPORT LTD.
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
NEIL RAYNER LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -16% CAGR over 4y
Location
Extrabuild Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides construction and telecommunications infrastructure services, including fibre optic cable installation, splicing and testing, sub-duct installation, civil engineering works, and groundwork.…
Serves B2B and public-sector clients needing telecoms and groundwork support, from small offices and councils to blue-chip companies and government agencies, including one-off jobs and rollout…
Financial Health
HealthyHealthy
Location
Netplan Mobile Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides telecommunications engineering services including RF drive testing, radio network planning, network measurement, optimisation and post‑processing for 2G, 3G, 4G LTE and 5G mobile networks,…
Serves mobile network operators and telecom vendors needing wireless network support across the UK, EU and EEA, including teams responsible for network quality, capacity and coverage.
Financial Health
WeakWeak · -6% CAGR over 2y
Location
SEDGEWAY BUSINESS PARK LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides consultancy, system integration, and technical support for broadcast and satellite communication systems. Designs and implements traditional and IP‑based broadcast infrastructure, including…
Serves B2B customers in the broadcast and satellite sectors, including broadcasters, production service providers and organisations operating mission-critical traditional or IP-based media…
Financial Health
StableStable · -60% CAGR over 5y
Location
Pan RF Camera & Wireless Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
LINFINITYGNSS LTD
Trajectory
2y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
Llamatek Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
Cambridge AI+ Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -16% CAGR over 4y
Location
A.G.I. MOBILE COMMUNICATIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
NEWEDGE SIGNAL SOLUTIONS UK LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -16% CAGR over 4y
Location
DCC Telecoms Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · 0% CAGR over 3y
Location
Mobile RF Systems Ltd.
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
RADIOPLEX LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
AURIPLEX LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
McNulty Telecommunications Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Jump Networks Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
Forefront RF
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops tunable RF duplexer technology and reconfigurable radio frequency front‑end components for mobile and IoT devices. Products replace multiple fixed filters and switches with adaptive chips…
Sells to B2B wireless device OEMs and vendors designing mobile and IoT products, including smartphones, wearables and industrial IoT systems, with relevance to network operators managing expanding…
Financial Health
StrongStrong · Hiring · 27% CAGR over 4y
Location
S G CONTROLS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures equipment for optical fibre research, development and production, including fibre draw towers, MCVD preform production systems, monitoring instruments and gas handling…
Serves B2B customers in the optical fibre industry, including fibre manufacturers, photonics research centres, R&D teams and organisations building or upgrading specialist fibre production facilities.
Financial Health
DistressedDistressed · -68% CAGR over 4y
Location
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How Cambridge telecoms companies work and how to sell to them
What they do
Cambridge telecoms firms usually earn from recurring service contracts rather than one-off product sales. Revenue tends to come from connectivity fees, managed network retainers, voice and data support, installation projects, maintenance agreements and fault-response cover. Some will also pass through hardware, cabling or equipment costs, with margin tied to specification, availability and support terms. Pricing is typically shaped by sites served, user count, service-level commitments and out-of-hours coverage, so sales conversations often become operational quite early.
Who they sell to
Most buyers are small and mid-sized organisations, public-sector bodies and specialist local operators that need dependable communications but may not run large internal network teams. IT managers and operations leads usually define the requirement, while estates, finance and procurement teams shape access, contract terms and supplier checks. Smaller deals can move through direct sales and referral channels; larger or public-sector engagements tend to involve formal comparison, documentation and slower approval. Contract size usually reflects site complexity rather than headline staff count.
What they buy
Most telecoms operators tend to spend on tools and services that help them keep networks documented, monitored and supportable. Common categories include ticketing, field-service scheduling, CRM, billing, contract management, network monitoring, cyber security, backup, accounting, payroll and HR systems. They may also buy legal support for customer terms, insurance advice, recruitment for engineers, marketing for local demand generation and outsourced finance. Physical spend often sits around cabling, routing equipment, test tools, vehicles and spares, especially where the firm has installation or maintenance responsibilities.
Why and how to sell to them
Telecoms buyers tend to evaluate vendors when service levels start to strain, renewal administration becomes untidy, or a new customer requires wider support coverage. Other triggers include public-sector tenders, leadership changes, engineer hiring, a move into managed services, or a need to evidence resilience and privacy controls. Outbound messaging usually works better when it links to response time, ticket backlog, quote accuracy, renewal risk or procurement evidence, rather than general growth claims. Smaller Cambridge operators may value lower implementation effort and clear cost control more than broad platform scope.
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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