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Telecommunications Companies in Leeds: 400+ Active Firms (2026)
Telecommunications companies in Leeds provide network connectivity, voice, data and managed communications services across the city-region.
Buying centres tend to sit in IT, estates, operations and procurement, rather than in a dedicated telecoms team. The Leeds cohort is therefore split between asset-owning network operators, carrier-support specialists, resellers, installers and managed communications providers serving business customers and public-sector sites. Typical engagements look like multi-site connectivity roll-outs, voice migration, broadband supply, network maintenance or managed service desks for regional clients. Established SMEs and lower-mid-market operators are the natural fit: entities able to handle service delivery, fault response and supplier coordination across West Yorkshire and nearby northern markets.
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Leeds has 412 actively trading telecommunications companies, making it a sizeable city-region cohort rather than a thin branch-office market. Reported headcount across those that disclose it totals 830 employees, suggesting a labour footprint concentrated in implementation, support, field engineering and account management rather than call-centre scale. The cohort remains weighted towards smaller operators and specialist service teams, with the lower-mid-market buyer profile present but not dominant. For researchers, the practical interest is breadth of local supply rather than a deep pool of high-turnover telecoms groups.
Network ownership, resale, installation, maintenance and managed communications support carry different duties around service continuity, customer contracting, fault handling, number migration and emergency-call resilience. Local licensing is only part of the picture; much of the risk sits in how providers document service levels and coordinate wholesale suppliers. Public-sector sites add procurement scrutiny and evidence requirements, while business customers tend to test providers on uptime commitments, response times and escalation routes. For Leeds-based operators serving West Yorkshire, market structure is therefore partly about technical coverage and partly about contract discipline.
Consolidation appears more likely than a clean break with existing service models. The cohort has many installation, resale and managed-service traits, so buyer pressure tends to show up in contract renewal terms, support expectations and bundled connectivity rather than in standalone network expansion. Smaller operators may keep niches where local response, field access and supplier coordination matter. Scale-up scarcity also suggests that acquisition by broader communications groups, or deeper partnership with carriers, may be more common than independent national expansion.
412
Active firms
2026
6
Over £5M
reported turnover
111
Newer firms
incorporated since 2022
Key facts
About 1% of the trading cohort reports turnover above £5M (6 of 412 firms) — the rest sits below that revenue band.
26% of the cohort was incorporated since 2022 (111 firms), so a sizeable share is in its first few filing cycles.
Leeds telecoms suppliers tend to cover fixed and mobile network access, voice, data, installation, maintenance and managed communications.
The local market includes infrastructure-facing operators as well as service providers and reseller models.
Buyer demand cuts across office-based services, logistics, public services and regional multi-site employers.
Sales motions range from owner-managed small-business providers to firms suited to channel partnerships or larger procurement cycles.
Top Leeds telecommunications companies
YB Communications Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications and IT services including broadband, leased lines, SIP phone lines, unified communications, managed Wi‑Fi and SD‑WAN networks, mobile and IoT SIM plans, numbering…
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
Brontel Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications and IT services including traditional phone lines and call packages, hosted VoIP phone systems, internet connectivity circuits, managed Wi‑Fi, and related…
Serves small and mid-sized businesses in West Yorkshire, including professional services firms, local organisations and commercial premises needing telecoms, internet and IT suppliers.
Financial Health
WeakWeak · -19% CAGR over 4y
Location
ADEPT COMPUTER SERVICES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides IT support and managed services for businesses, including maintenance of servers, networks and computers, network installation and cabling, broadband connectivity, VoIP telephony, data…
Serves small and mid-sized businesses in Leeds, including firms with office networks, servers, remote workers, multiple sites, business broadband, VoIP and data security needs.
Financial Health
WeakWeak · -20% CAGR over 2y
Location
Trajectory
2y · 2024–NowBuilds and operates wholesale full‑fibre broadband infrastructure, providing network access to internet service providers. Delivers fibre network construction, installation and connectivity services…
Serves B2B internet service providers seeking wholesale full-fibre network partnerships, especially ISPs looking to expand broadband packages, acquire customers, and scale operations.
Financial Health
Insufficient historyInsufficient history
Location
Apollo Cloud Solutions Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides cloud-based communications and connectivity services for businesses, including VoIP and hosted telephone systems, 3CX managed services, Microsoft Teams voice integration, SIP trunks,…
Serves businesses and education organisations needing scalable communications, connectivity and mobile services, including teams using Microsoft Teams, 3CX or unified communications across multiple…
Financial Health
WeakWeak · 29% CAGR over 2y
Location
SpliceGroup
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDesigns and manufactures fibre optic connectivity and management products including optical distribution frames, modular and wall‑mounted systems, cassettes, modules, accessories and fibre raceway.…
Serves B2B network operators and infrastructure organisations across FTTX, telecoms, transport, utilities, enterprise, colocation and hyperscale data centre sectors.
Financial Health
StableStable · 0% CAGR over 1y
Location
DTX NETWORK SERVICES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides business telecommunications services including installation and support of telephone systems, supply and maintenance of business phone lines and call services, mobile handset and airtime…
Serves businesses of all sizes, targeting owners, office managers and IT or telecoms leads responsible for company communications, connectivity and mobile contracts.
Financial Health
StrongStrong · Growing, Hiring · 73% CAGR over 2y
Location
Dataflow Network Installations Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides network infrastructure installation services including structured cabling (Cat5e–Cat7A), fibre optic cabling, and installation of switches, routers, wireless networks and IP telephony. Also…
Serves UK and international B2B and public-sector clients, including education, construction, local government, M&E firms, SMEs, blue-chip companies, hospitality, healthcare, media, financial…
Financial Health
HealthyHealthy
Location
KVH MEDIA GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies satellite communication and connectivity systems for maritime, land mobile, and government use. Offers VSAT and hybrid satellite‑cellular terminals, network management…
Serves B2B, B2C and public-sector customers, including commercial maritime operators, yacht and leisure boat owners, military and government users, and commercial vehicle or land-mobile fleets…
Financial Health
HealthyHealthy · -5% CAGR over 4y
Location
Touch Telecommunications Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications and connectivity services including hosted VoIP phone systems, mobile solutions and audio‑video conferencing, alongside broadband and leased line connectivity,…
Serves SMEs and other local businesses needing consolidated communications, connectivity, mobile coverage, CCTV and electrical support, including office-based, remote and field teams.
Financial Health
HealthyHealthy · Hiring · 50% CAGR over 4y
Location
Provides telecom infrastructure services including site acquisition, design, civil construction, and installation for wireless networks. Delivers power and data infrastructure, rigging, microwave…
Serves UK cellular network operators, telecoms infrastructure owners, and organisations deploying wireless, data, power and digital outdoor media networks, including commercial and public-sector site…
Location
TELECOMS CONSORTIUM LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications services including hosted VoIP, SIP trunking, broadband, FTTC and leased lines, phone systems, and fax‑to‑email. Also offers a web‑based platform for resellers to…
Serves B2B customers including telecoms carriers, resellers, partners and business end users of all sizes, with emphasis on organisations managing client networks or multiple sites.
Financial Health
WeakWeak · -4% CAGR over 4y
Location
COMTECH DESIGNS LTD
Trajectory
1y · 2024–NowProvides engineering services for telecommunications infrastructure, including network and site surveying, infrastructure design, independent build audits, and preparation of as-built documentation…
Serves B2B clients in the telecommunications and engineering infrastructure sectors, including network operators, contractors and project teams delivering infrastructure build programmes.
Financial Health
Insufficient historyInsufficient history
Location
Millbeck Communications Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsSupplies IoT connectivity products including multi-network and roaming SIM cards, fixed IP and eSIM solutions for machine-to-machine devices. Also distributes cellular routers, antennas and…
Serves businesses and infrastructure operators running IoT deployments, including energy and utilities, security/CCTV, railway, agriculture, kiosks and vending, parking, and smart building sectors.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
McHugh Comms Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides fibre optic network services including fibre termination, splicing and testing, blown fibre installation, data cabling, and fibre deployment. Also installs Wi‑Fi networks and CCTV systems…
Serves businesses and infrastructure organisations, including telecoms/FTTP operators, renewable energy sites such as wind farms and substations, and commercial premises requiring network, Wi‑Fi or…
Financial Health
StableStable · Hiring · 5% CAGR over 3y
Location
ATOMOS NETWORKS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT network design, deployment and support for businesses, including network security, VPNs, firewalls, structured cabling, wireless and wide area connectivity. Also delivers unified…
Serves corporate clients and businesses needing IT networking, security, connectivity, unified communications, office move support and managed infrastructure services.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Talent Plus Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns, builds, operates and maintains digital infrastructure and communications systems. Provides network deployment, fibre and wireless services, private radio, control and automation systems,…
Serves UK and Ireland public-sector bodies, infrastructure operators and large enterprises in transport, defence, emergency services, energy and utilities, higher education, highways, rail, airports…
Financial Health
StableStable · 0% CAGR over 3y
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · -2% CAGR over 3y
Location
CABLENET (LEEDS) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides structured cabling installation for data, voice and power networks. Services include copper and fibre‑optic cabling, WiFi network installation, testing and fault finding, communications…
Serves B2B customers with commercial premises, including offices, warehouses and factories, particularly organisations undertaking new builds, refits, expansions, upgrades or cabling fault…
Financial Health
StableStable · -5% CAGR over 4y
Location
24 Seven Communications Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides telecoms services and virtual business phone numbers, including 03, 0300 and 084/087 numbers. Offers call management, mobile call recording, IVR, hosted telephony, digital faxing, conference…
Sells to small, medium and enterprise businesses across sectors, as well as channel partners, resellers and not-for-profit organisations using business phone numbers.
Financial Health
WeakWeak · -68% 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
Everything Voice Ltd.
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications and connectivity services, including VoIP and cloud communications, Microsoft Teams voice integration, and mobile data connectivity. Also supplies networking…
Serves B2B security and communications buyers, including security installers, CCTV/alarm resellers, manufacturers, technology integrators and alarm receiving centres, plus charities, IT firms and…
Financial Health
HealthyHealthy · -3% CAGR over 5y
Location
TANGO NETWORKS UK LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides mobile network and eSIM services that integrate mobile phones with enterprise unified communications platforms such as Microsoft Teams and Cisco Webex, enabling business calling, messaging…
Sells to SMBs through global enterprises using Microsoft Teams Phone or Cisco Webex Calling, especially organisations with hybrid, frontline, mobile and BYOD workforces across sectors such as…
Financial Health
WeakWeak · -4% CAGR over 4y
Location
MANSYS UK LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides managed IT support and consultancy for businesses, including infrastructure management, cloud services, cybersecurity, VoIP and telecoms systems, connectivity, and Microsoft 365/SharePoint…
Serves SMEs and charities needing outsourced IT support across Yorkshire, Lancashire, Merseyside and Lincolnshire, including organisations seeking business technology guidance without an in-house IT…
Financial Health
StableStable · Hiring · 6% CAGR over 2y
Location
VAPOUR CLOUD LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides managed IT services, cyber security solutions and telecommunications services, including network connectivity, IP telephony, email and data security, firewalls, backup, monitoring and IT…
Serves UK businesses and organisations needing outsourced IT, cybersecurity, telephony and connectivity support, including those seeking ongoing managed services, one-off projects or IT…
Financial Health
DistressedDistressed
Location
Express Data Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides network infrastructure installation and support services, including fibre optic cabling, LAN and network fabric deployment, commercial Wi‑Fi systems, and IP video security. Also delivers…
Serves B2B organisations that rely on mission-critical networks, including manufacturers with production lines, operators of high-footfall commercial venues, and businesses with distributed sites…
Financial Health
StableStable · -12% CAGR over 4y
Location
VOYAGER NETWORKS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services including enterprise networking, unified communications and collaboration systems, and cyber security solutions. Designs, implements and supports on‑premise, cloud and…
Serves UK businesses and public sector organisations, particularly IT departments in healthcare, education, social housing, commercial organisations and local government.
Financial Health
WeakWeak · -5% CAGR over 4y
Location
GridJet
Trajectory
1y · 2025–NowProvides data centre services including server colocation, bare‑metal and GPU server hosting, and high‑bandwidth network connectivity. Operates facilities with power, cooling and infrastructure for…
Serves UK businesses, from startups to established enterprises, needing secure data centre infrastructure, colocation, bare metal or GPU hosting, with emphasis on organisations wanting regional…
Financial Health
Insufficient historyInsufficient history
Location
C.C.S. (LEEDS) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides business and residential internet connectivity including fibre broadband and leased lines. Offers web hosting, colocation, domain registration, email hosting and VoIP services, plus network…
Sells primarily to businesses of all sizes needing connectivity and IT infrastructure, including SMEs and large corporations. Serves organisations seeking business broadband, leased lines, hosting,…
Financial Health
HealthyHealthy · Hiring · 41% CAGR over 2y
Location
Effective Communication Solutions Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
COMMUNICATION STEM LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT services, cybersecurity solutions and communications systems for businesses. Services include network and email security, firewalls, backup, SOC/SIEM monitoring, IT support,…
Serves businesses and organisations needing managed IT, security, telephony and connectivity support, including healthcare and care-sector providers referenced in customer case studies.
Financial Health
WeakWeak · Hiring · 12% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
Boss Networks Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
CLEAR SOLUTION TELECOMS LTD
Trajectory
3y · 0001–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed
Location
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak
Location
ASTORIA LEISURE COMPANY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
NETCARE EUROPE LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides structured data cabling and fibre optic network solutions, including design, installation and maintenance of network infrastructure. Integrates wireless networks, AV and CCTV systems, and…
Serves UK businesses, including technology companies, data centres, cold-storage operators and organisations across varied sectors needing resilient network and building technology infrastructure.
Financial Health
StrongStrong · -2% CAGR over 4y
Location
EDEN TELECOM LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT and telecommunications products and services for businesses, including hardware supply, IT support, cloud and hosted telephony, connectivity, mobile contracts and IoT solutions, plus…
Sells to businesses and organisations across the UK, including IT, telecoms and operations teams managing workplace technology, mobile users, connectivity and device estates.
Financial Health
WeakWeak · -5% CAGR over 4y
Location
3 Technology Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides managed IT support, cloud hosting, and technical consultancy for businesses. Supplies and maintains telephony systems, internet connectivity, and Microsoft 365 services, and delivers…
Serves businesses seeking outsourced IT support, telecoms, connectivity, hosting, Microsoft 365 and security services, from single-line phone users to organisations needing managed communications and…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
Ripley Service Group Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides business telecommunications and site services including VoIP phone systems, data networking, CCTV surveillance, access control and security monitoring, alongside construction support such as…
Serves B2B customers across the UK, particularly construction companies, site operators and commercial organisations needing support for business premises and construction sites.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
THE ONE TOUCH SWITCHING COMPANY LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates a central messaging platform for the telecommunications industry that supports switching of fixed broadband and voice services between providers, including the One Touch Switch process, and…
Serves telecommunications providers and other industry organisations involved in UK fixed broadband and voice switching, including existing Hub users managing residential and business customer…
Financial Health
WeakWeak · -83% CAGR over 2y
Location
Cura Technology Ltd
Trajectory
1y · 2025–NowProvides managed IT services to businesses, including technical support, cybersecurity and business continuity solutions, IT product supply and software licensing, IT consultancy, data centre and…
Serves UK businesses and organisations that outsource IT support, security, licensing, infrastructure and connectivity needs, including companies seeking scalable managed services, consultancy and…
Financial Health
Insufficient historyInsufficient history
Location
DEEP BLUE NETWORKS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak · -90% CAGR over 2y
Location
GREEN APPLE PITSTOP LEEDS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
BIT2 Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides managed IT support and telecoms services for businesses, including network management, cybersecurity, broadband connectivity, VoIP phone systems, Wi‑Fi deployment, and IoT SIM connectivity…
Serves small and medium-sized businesses, primarily in Lancashire and across the UK, including hospitality, retail, leisure, call centre, manufacturing, home improvement and renewable energy firms.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
COMLEK LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and installs network cabling and infrastructure for commercial, retail, hospitality and event environments. Provides electrical installations, turnkey infrastructure projects, site surveys,…
Serves businesses and organisations in commercial, retail, hospitality and events sectors, especially facilities, IT and project teams responsible for premises infrastructure and turnkey site…
Financial Health
HealthyHealthy · -65% CAGR over 4y
Location
EZZAT CONSULTING LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
JPB COMMUNICATIONS LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
ALLIED NETWORK SERVICES (LEEDS) LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -62% CAGR over 4y
Location
S9 COMMUNICATIONS LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable · Hiring · 148% CAGR over 2y
Location
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How Leeds telecommunications companies work and how to sell to them
What they do
Telecommunications providers usually earn through recurring connectivity, voice, mobile, broadband and managed-network contracts, with project fees layered on for installation, migration, cabling, site surveys and support transitions. Resellers and carrier-support firms make margin on wholesale services, while installers and maintenance specialists tend to charge for labour, equipment supply and service-level commitments. The commercial shape is often mixed: a monthly charge per site, line, user or service, plus one-off implementation work. That makes cash flow more predictable than pure project services, but margins can be thin where providers depend on upstream carriers or hardware supply chains.
Who they sell to
Typical buyers are SMEs, regional multi-site businesses, landlords, education bodies, care groups, local public-sector teams and professional-services firms that need dependable communications rather than bespoke network architecture. Decisions usually involve IT managers, operations directors, estates leads, finance teams and procurement, with owner-managers still influential in smaller accounts. Straightforward broadband, voice or mobile deals can be sold directly through local account management, while public-sector and larger multi-site work tends to involve tenders, supplier questionnaires and evidence of service capacity. Sales cycles are shorter for single-site renewals and slower when site access, number porting, security review or procurement rules are involved.
What they buy
Most telecommunications firms tend to spend on systems that help them provision, bill, monitor and support recurring services. Relevant categories include CRM, quoting, subscription billing, revenue assurance, ticketing, field-service scheduling, network monitoring, cybersecurity, asset management and customer communications. Firms with installers or field engineers may also buy fleet management, workforce planning, health and safety support, stock control and equipment finance. Professional-services needs are often practical: telecoms contract review, public-sector bid writing, accounting for recurring revenue, recruitment for support and engineering roles, and marketing that can separate local service quality from commodity connectivity pricing.
Why and how to sell to them
Telecommunications buyers tend to evaluate suppliers when renewals expose margin pressure, service desks become harder to manage, or customer expectations move from basic connectivity to documented uptime, escalation routes and migration support. Other triggers include new public-sector frameworks, leadership change, acquisitions, added field capacity, a move into managed services, or a backlog of legacy voice and broadband contracts. Outbound works better when it ties the offer to operational leakage: fewer repeat faults, cleaner handovers, faster provisioning, lower billing disputes or clearer evidence for procurement. Generic productivity claims usually land less well than proof that the tool reduces rework across sales, engineering and support.
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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