Turn this list into pipeline.
Broadband Companies in Portsmouth: 29 Active Firms (2026)
Broadband companies in Portsmouth provide fixed-line, fibre, wireless and cable connectivity for homes, businesses and public-sector sites across the city region.
Buying centres split across household connectivity, business internet, managed connections for local premises and public-sector site networking. The buyer is often an operations, IT or facilities lead who cares about installation windows, service continuity, repair times and support handovers, not just headline speed. Contracts tend to be recurring, with engagements ranging from standard home and small-business subscriptions to multi-site connectivity and local network operations. Around Portsmouth, the fit is mainly small to mid-market operators that combine customer service with field engineering, rather than pure software resellers or national wholesale-only infrastructure owners.
Read more
Portsmouth is a compact local market by company count, with 29 actively trading broadband companies in this list. The cohort looks operational rather than purely reseller-led: collectively, firms report 115 staff, pointing to some in-house installation, support and network-management capacity. Scale is uneven, with a small tail of operators beyond local micro-business level and a larger set of lean companies serving residential, commercial and public-sector customers around the city region.
Local connectivity markets are shaped less by a standard buying cycle than by permissions and access. Operators need workable routes into buildings, streets and shared infrastructure, then enough field capacity to install, repair and support connections after sale. Residential contracts place weight on switching, complaints and service continuity; business and public-sector customers tend to examine uptime, response times and contract accountability. That mix can favour operators with established local engineering coverage, but it also keeps fixed costs visible for smaller entrants.
Execution appears more important than a broad re-rating of the category. Operators that can coordinate access permissions, engineering visits and customer support tend to look more defensible, particularly where business and public-sector contracts require accountable service. Many smaller firms may remain local specialists, since network build, customer acquisition and repair coverage all absorb cash before scale is visible. Consolidation is plausible where adjacent operators overlap geographically, but the more likely near-term pattern is selective expansion around served premises and customer types rather than a rush into unrelated infrastructure.
29
Active firms
2026
2
£5M-plus firms
reported turnover
7
Recent incorporations
since 2022
Key facts
About 6% of the trading cohort reports turnover above £5M (2 of 29 firms) — the rest sits below that revenue band.
24% of the cohort was incorporated since 2022 (7 firms), so a sizeable share is in its first few filing cycles.
Portsmouth broadband providers sit in the local access layer, covering fixed-line, fibre, wireless and cable connectivity.
Buyers span homes, businesses and public-sector sites, so sales cycles and service expectations vary by contract type.
Network reach, installation capacity and service levels tend to shape revenue prospects in this market.
Top Portsmouth Broadband companies
HWA Telecoms Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
CARRERA (UK) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT support and services for businesses, including service desk support, infrastructure and networking, Microsoft 365 and email management, cybersecurity services, cloud backups, VoIP…
Serves small and medium-sized businesses in Portsmouth, Southampton, Hampshire and across the South of England, including organisations needing managed IT, telecoms, Microsoft 365 and cyber security…
Financial Health
WeakWeak · -64% CAGR over 4y
Location
CCN Systems Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
GREEN COLO LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides broadband and business internet connectivity, managed network services, colocation and cloud hosting from a data centre, satellite and IPTV distribution, and IT consultancy and technical…
Serves homeowners and residential communities, plus businesses needing connectivity, colocation, hosting, satellite/IPTV distribution or IT support, including specialist data and media/entertainment…
Financial Health
StrongStrong · Growing, Hiring · 123% CAGR over 2y
Location
BENTLEY TELECOM LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides internet connectivity services including full‑fibre broadband plans with router supply, installation and static IP addresses. Also offers satellite and 4G/5G broadband options and customer…
Serves households and small businesses needing fixed connectivity plans, including remote workers, streamers, gamers and business users checking availability by address.
Financial Health
HealthyHealthy · -66% CAGR over 5y
Location
Interpro Technology Solutions Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides managed IT support and consultancy for businesses, including network installation, server virtualisation, cybersecurity, cloud computing, Microsoft 365 management and backup services. Also…
Serves B2B organisations of all sizes in Portsmouth, Southampton, Fareham and Hampshire, including defence-sector clients, professional services firms and companies seeking an outsourced IT partner.
Financial Health
WeakWeak · 3% CAGR over 2y
Location
Optic Networx Solutions LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak · 0% CAGR over 2y
Location
BRADY AUTOMATION LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable · -90% CAGR over 2y
Location
GARRETTNET LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
COMMSIST LTD
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
VEREVO ASSETS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides telecommunications infrastructure services for network operators and internet service providers, including civil engineering works, fibre optic cabling and splicing, and aerial installation…
Sells to telecoms network operators and internet service providers, serving B2B buyers involved in fibre and digital infrastructure rollout. Targets organisations delivering connectivity projects…
Financial Health
WeakWeak
Location
FASTRACK FIBRE LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides funding, project management, design, installation and connection of fibre optic broadband infrastructure. Delivers telecommunications network build and fibre connections to residential and…
Serves domestic and commercial property owners and occupiers across the UK, including rural communities, plus partners involved in telecommunications infrastructure projects.
Financial Health
HealthyHealthy
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
SAQ LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
NETWORK RED LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak
Location
SAQ Administrative Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -20% CAGR over 4y
Location
Geecko Networks Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Butterworth Av Ltd
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
TEC CONNECT LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides network infrastructure and connectivity services for businesses, including data and fibre optic cabling, business internet, audio‑visual and meeting room systems, CCTV and door entry…
Serves businesses across all sectors, particularly organisations needing office connectivity, meeting room, telephony, CCTV and network infrastructure support.
Financial Health
WeakWeak · -60% CAGR over 4y
Location
Prestige Telecom Group Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides business telecommunications services including mobile phone plans, hosted VoIP systems, virtual landlines, SIP trunks and fixed-line broadband. Offers integrated voice and internet…
Serves UK businesses of varying sizes, from start-ups and scaling mid-size teams to nationwide enterprises, including organisations with hybrid teams, multiple locations, and business telecoms needs.
Financial Health
StrongStrong · Growing · 1% CAGR over 3y
Location
Electronic Media Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides business connectivity and IT infrastructure services, including bonded 4G/5G and xDSL routers, fixed‑IP SIM connectivity, private LTE/5G networks, cloud migration and hosting, edge…
Sells to UK businesses needing connectivity, cloud, hosting and disaster recovery services, including branch and home offices, property owners, and organisations with last-mile connectivity, private…
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 4y
Location
A.S.C Cableing ltd.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
P R Aerials Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Pure Communication Group Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides business telecommunications services including mobile phone contracts, hosted telephone systems, landlines and broadband connectivity. Offers tailored tariffs, device supply and account…
Serves businesses of varying sizes that need telecoms support, including teams purchasing mobile plans and devices, hosted phone systems, landlines and broadband connectivity for staff and customer…
Financial Health
StrongStrong · Growing, Hiring · 49% CAGR over 3y
Location
GIGATECH NETWORK SOLUTIONS LTD
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 2y
Location
Unlock all 29 leads
Showing 25 of 29 — +4 more with verified decision-maker contacts, live data, and CRM sync.
How Portsmouth Broadband companies work and how to sell to them
What they do
Broadband operators earn mainly from recurring access charges, with extra revenue from connection fees, managed router or Wi-Fi services, business-grade support, equipment rental and project work around new premises. Residential packages are usually standardised and price-banded; business connectivity is more variable, with charges shaped by bandwidth, service levels, installation complexity and whether a site needs fresh engineering work. The operating model blends telecoms infrastructure, field service and customer operations. Even where a provider uses third-party network capacity, it still needs provisioning, fault management, billing and support processes that look closer to a utility-style service business than a simple reseller model.
Who they sell to
Household packages are usually bought by consumers or landlords through online, phone-led or local referral channels. Small-business deals tend to involve an owner, office manager or outsourced IT adviser, while larger local employers, schools and public bodies usually bring in IT, procurement, finance and facilities teams. Standard subscriptions can close quickly once availability is confirmed; multi-site or higher-availability contracts often need surveys, security checks, service-level negotiation and formal quotes. Public-sector work is more likely to move through frameworks or RFP-style procurement. Most buyers care less about peak speed claims than missed installation dates, unclear handovers and the cost of downtime.
What they buy
Most Portsmouth broadband firms tend to spend on systems that reduce manual work across installation, support and billing. Common categories include CRM, subscription billing, direct debit collection, network monitoring, ticketing, field-service scheduling, route planning, asset registers, customer messaging and call-handling tools. Engineering-heavy operators also buy test equipment, vehicles, civils support, spares, insurance, health and safety training, and legal advice for property access and service contracts. Growth teams may need local search, referral tracking and quote tools, but operational software usually has the clearer business case: fewer repeat visits, faster fault resolution and less revenue leakage from billing errors.
Why and how to sell to them
Commercial intent tends to show when an operator opens a new service area, wins a business or public-sector contract, hires field engineers, replaces a billing process, or sees support queues and fault visits rise. The two firms above £5M turnover are more likely to evaluate standardisation, management reporting and contract controls; smaller and newer operators may be more focused on cash collection, installation throughput and customer acquisition. Outbound works best when it links to a measurable operating constraint: fewer failed appointments, cleaner provisioning, lower churn, shorter repair times, or clearer evidence for service-level disputes.
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 Portsmouth
Related directories
Frequently asked questions
How many broadband companies are there in Portsmouth?
What counts as a broadband company in this list?
Which are the largest broadband companies in Portsmouth?
What do broadband companies in Portsmouth actually do?
How does Portsmouth broadband compare internationally?
How is this list built and how fresh is the data?
How big are the typical broadband companies in Portsmouth?
Are these mostly new or established broadband companies?
What SIC codes does this use?
What buying signals should I look for?
Push these 29 companies into your pipeline.
Find the right decision-makers, see verified company data, and export your list in seconds.