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Electrical Contracting Companies in Hull: 240 Active Firms (2026)
Electrical contracting companies design, install, inspect and test electrical systems for buildings and infrastructure across Hull.
Buying centres usually sit with building contractors, facilities managers, housing asset teams and site operators rather than central procurement alone. Work is bought as project packages, planned maintenance frameworks and reactive call-outs, with commercial fit-out, residential refurbishment, industrial maintenance and infrastructure support all present in the Hull catchment. Engagements tend to depend on accreditations, supervisor capacity, insurance cover and the ability to evidence inspection and testing, not just day-rate labour. For researchers, the useful split is between owner-managed domestic and small commercial installers, lower mid-market contractors serving repeat estates, and regional operators able to staff concurrent sites.
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The Hull cohort comprises 240 actively trading companies, making it a fairly localised contractor base rather than a nationally scaled list with a branch presence in the city. Reported employment across the cohort totals 749 people, so the footprint looks labour-intensive but still fragmented: many firms appear to sit around small site teams, while a thinner group can support larger planned-works and construction packages. That shape matters for buyers because electrical work is capacity-constrained by field labour, supervision and compliance sign-off, not only by sales coverage.
Domestic work in England sits within Building Regulations Part P, where Approved Document P covers electrical safety in dwellings and sets out when work needs notification, alongside design, installation, inspection, testing and handover information requirements. Installers can use a competent person scheme to self-certify certain building work instead of seeking separate building regulations approval, and scheme members appear on the electrical competent person register. The Building Safety Regulator also has a standing duty under the Building Safety Act to keep building safety and standards under review, which keeps compliance evidence close to the centre of residential and mixed-use contracting.
Smaller electrical contractors appear likely to remain a large part of the Hull market, because reactive maintenance, domestic work and subcontracted site packages still suit owner-managed firms with local labour networks. Scale-up scarcity is also visible: moving from installation capacity to multi-site delivery tends to require supervisors, compliance administration and cash-flow tolerance for construction payment cycles. Over time, the more durable operators are likely to be those that can document testing, manage remedial work for landlords and facilities teams, and hold onto qualified field staff while wage pressure persists.
240
Active firms
2026
7
Above £5M turnover
Hull cohort
54
Incorporated since 2022
Newer local firms
Key facts
About 2% of the trading cohort reports turnover above £5M (7 of 240 firms) — the rest sits below that revenue band.
22% of the cohort was incorporated since 2022 (54 firms), so a sizeable share is in its first few filing cycles.
Domestic electrical contracting in England sits under Building Regulations Part P, with Approved Document P covering notification, design, installation, inspection, testing and information requirements.
Competent person schemes allow registered installers to self-certify certain building work instead of seeking separate building regulations approval.
Since April 2023, the Building Safety Regulator has had a duty under the Building Safety Act 2022 to keep building safety and standards under review in England.
IBISWorld reports the UK Electricians market size as £35.9 billion in 2024.
Top Hull Electrical Contracting companies
HEAD-ON ELECTRICAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services for domestic and commercial properties, including rewiring, electrical installations, maintenance, and fault finding. Carries out electrical testing, safety…
Serves homeowners, landlords, letting agents, commercial premises and industrial customers in Hull and East Yorkshire, including clients needing emergency callouts, compliance testing, renewables and…
Financial Health
StableStable · -9% CAGR over 4y
Location
M.E.C. (HUMBER) LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical and electrical contracting services including plumbing, heating, gas installation, electrical work, drainage and HVAC systems. Delivers MEP installation and project services for…
Serves homeowners, landlords, housing associations, commercial and industrial businesses, construction sites, healthcare providers, schools, leisure operators and public-sector bodies across Hull and…
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 5y
Location
Eco Group Hull Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides plumbing, heating and electrical installation and maintenance services for domestic and commercial properties. Installs boilers, HVAC systems, solar panels, battery storage, EV chargers and…
Serves homeowners and landlords in Hull, East Yorkshire and North Lincolnshire, plus commercial clients across the UK needing property maintenance, compliance and energy-efficiency upgrades.
Financial Health
StrongStrong · Growing, Hiring · 76% CAGR over 3y
Location
CD SERVICES ELECTRICAL LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides electrical contracting services including installation, maintenance, testing and inspection of electrical systems. Carries out machinery fault finding, lighting and switchgear work,…
Serves commercial and industrial businesses, machinery operators, and domestic customers across Yorkshire and Humberside needing electrical contractor support.
Financial Health
HealthyHealthy · -6% CAGR over 2y
Location
N & P Electrical Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides electrical contracting services including electrical design, installation, maintenance and upgrades. Installs solar panel systems, battery storage, EV chargers, and air conditioning or HVAC…
Serves homeowners, employers and commercial organisations, from domestic property owners to businesses across varied industries, with work undertaken across the UK and emphasis on Hull and Humber.
Financial Health
WeakWeak · -9% CAGR over 2y
Location
Wally Mays (Contractors) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides electrical contracting services for domestic, commercial and industrial properties. Carries out electrical testing and inspection including fixed appliance testing, periodic inspections,…
Serves domestic property portfolio holders, caravan parks, and commercial and industrial customers in Hull and East Yorkshire, including sites with vulnerable people requiring DBS-cleared contractors.
Financial Health
StableStable · -6% CAGR over 2y
Location
Prolec (Hull) Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides domestic and commercial electrical contracting services including installations, rewiring, lighting, alarms and CCTV, door entry systems, data network cabling, and inspection and testing.…
Serves homeowners and businesses in and around Hull, including domestic customers and commercial premises seeking electrical, EV charging, solar and related installations.
Financial Health
DistressedDistressed · -13% CAGR over 5y
Location
MBI Electrical Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical installation, maintenance and repair services for domestic and commercial properties, including rewiring, fuse box work, kitchen and appliance installations, electrical safety…
Sells to homeowners, landlords and estate agents, plus commercial property customers needing electrical installation, maintenance and safety testing. Serves domestic and commercial clients in Hull…
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
GW Power-Safe Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides commercial electrical and mechanical contracting services, including design, installation and maintenance of building systems. Activities include lighting and power installations, fire…
Serves commercial businesses, main contractors, facilities management and estates teams, and public-sector or education sites across the UK needing M&E and renewables project support.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
Provides mechanical and electrical building services contracting for commercial and industrial projects, including system design, installation and commissioning. Also undertakes fabrication work and…
Serves commercial, industrial and public-sector clients, including NHS hospitals, leisure operators, gyms, offices, retail sites, student accommodation developers, emergency services facilities and…
Location
Nassah Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides electro‑mechanical contracting services for construction projects, including electrical, mechanical, and audio‑visual systems. Designs, installs, and maintains building services for…
Serves construction companies and contractors working on high-end residential and commercial builds, plus education, healthcare and municipal property clients such as schools, universities, hospitals…
Financial Health
DistressedDistressed
Location
Clarkson Electrical Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides domestic and commercial electrical services including installations, upgrades, inspection and testing, property rewires, and maintenance. Also installs data and network cabling, safety…
Serves businesses, facilities managers, education providers and industrial sites, including hazardous-area environments, plus homeowners undertaking renovations, rewires, smart-home, EV charging and…
Financial Health
StableStable · 0% CAGR over 2y
Location
ATS MEP Services Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides mechanical, electrical and plumbing (MEP) services, including installation and maintenance of air conditioning, refrigeration, ventilation, electrical systems, and plumbing. Designs and…
Serves B2B clients, including commercial property owners, building managers, contractors and project teams in Yorkshire needing MEP support for installations, maintenance and building upgrades.
Financial Health
StableStable · Hiring · 10% CAGR over 2y
Location
M.d Electrical Solutions Hull Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides electrical services for domestic, commercial and industrial properties, including installation, maintenance and repair of electrical systems, wiring and equipment. Handles customer enquiries…
Serves homeowners, landlords, local businesses and industrial sites needing electrical support, with enquiries from domestic, commercial and industrial customers in Hull and surrounding areas.
Financial Health
DistressedDistressed · -8% CAGR over 3y
Location
BUTTERWORTH BROS. (ELECTRICAL) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides electrical contracting services including system design, installation and maintenance for education, healthcare, industrial, agricultural, commercial and retail buildings. Also undertakes…
Sells to businesses and institutional buyers in the education, healthcare, industrial, agricultural, commercial and retail sectors, including building contractors, architects, consulting engineers,…
Financial Health
DistressedDistressed · -91% CAGR over 2y
Location
CF Electrical Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides commercial and industrial electrical services including installation of lighting, power distribution and EV charging, fixed wiring and PAT testing, energy data logging, machinery breakdown…
Serves commercial and industrial organisations, including process plants, machine operators and businesses with electrical compliance or maintenance needs; also serves domestic and commercial…
Financial Health
StrongStrong · Hiring · 21% CAGR over 4y
Location
Green Tick Electrical and Renewables Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides electrical installation, inspection, testing and maintenance services for residential, commercial and modular buildings. Also designs and installs renewable energy systems including solar…
Serves UK commercial clients, modular building firms, property developers, retailers, landlords and homeowners needing electrical or renewable installations, plus eligible individuals seeking…
Financial Health
HealthyHealthy · -8% CAGR over 2y
Location
MS ELECTRICAL SOLUTIONS LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services including design, installation and commissioning for commercial and modular buildings. Services include electrical testing and inspection, fire and intruder…
Serves businesses across the UK, particularly modular building companies, commercial offices, retail premises and shopfitting projects, with some domestic customers and renewable energy buyers.
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
Location
Fairburns Group Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides electrical, mechanical and building services for commercial and industrial clients, including design, installation, inspection, maintenance and repair of electrical systems, plumbing and…
Serves businesses and organisations with commercial premises, including facilities and property teams needing electrical, mechanical, plumbing, heating and building support across local, UK and…
Financial Health
StrongStrong · Growing · 2% CAGR over 3y
Location
N.T.I. (YORKSHIRE) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides mechanical and electrical engineering design, installation and commissioning for commercial and industrial facilities, including ventilation and ducting, plumbing and heating, industrial…
Serves B2B and institutional clients across commercial and industrial sites, including manufacturers, retail and leisure operators, healthcare providers, accommodation facilities and education…
Financial Health
StableStable · -90% CAGR over 2y
Location
AIRKOOL CONTRACTS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides installation, maintenance and repair of air conditioning and HVAC systems for commercial clients. Also delivers commercial refrigeration, ventilation, plumbing, heating and electrical…
Serves commercial and business customers across the UK, especially in Hull and East Yorkshire, including retailers, contractors and organisations with commercial premises; also addresses homeowners…
Financial Health
WeakWeak · -88% CAGR over 2y
Location
SS Testing Hull Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
Urban Electrics (Projects) Limited
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Lighting & Signs Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides design, installation, testing and maintenance of exterior lighting and traffic sign systems. Services include street and high mast lighting, sports pitch and architectural lighting, variable…
Serves local authorities and B2B clients in construction, civil engineering and housebuilding, including organisations responsible for highways, public realm, sports facilities and exterior lighting…
Financial Health
WeakWeak · -3% CAGR over 5y
Location
Green Electrical Contracting & CAD Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
SHV Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
E.T ELECTRICAL SOLUTIONS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · -50% CAGR over 1y
Location
Andrews Electrical (Hull) Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
ELECTECH OFFSHORE LIMITED
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Krisx Electrical Services Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
NEVILLE TUCKER SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services including plumbing, heating, ventilation and air conditioning installation. Also installs control panels and delivers servicing, maintenance and…
Serves both domestic and commercial customers, including homeowners, landlords and businesses across sectors with heating, ventilation, plumbing and air conditioning requirements.
Financial Health
StableStable · -67% CAGR over 4y
Location
Aircon 365 Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides design, installation, servicing and maintenance of HVAC systems including air conditioning, refrigeration, chillers, ventilation and heating. Also delivers electrical works, carbon reduction…
Serves commercial and public-sector organisations across the UK, including healthcare providers, local authorities, property and facilities managers, offices, telecoms sites and venues.
Financial Health
StableStable · 0% CAGR over 1y
Location
JCSPECIALIST LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 1y
Location
THOMPSON ELECTRICAL SOLUTIONS LTD
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
360 ELECTRICAL SOLUTIONS LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable · 0% CAGR over 2y
Location
VIC COUPLAND LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -68% CAGR over 4y
Location
ABTECH ELECTRICAL & RENEWABLES LTD
Trajectory
4y · 2020–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Hiring · 22% CAGR over 4y
Location
FTP ELECTRICAL TESTING SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical safety testing including PAT testing, fixed wire inspections (EICR), appliance testing and thermal imaging. Also delivers fire safety services such as fire alarm and extinguisher…
Serves homeowners, landlords and commercial property operators across the UK and Ireland, covering both domestic and business premises with compliance needs.
Financial Health
WeakWeak · -6% CAGR over 4y
Location
A M HARDY ELECTRICAL LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides installation and maintenance of small-scale solar photovoltaic systems, including solar panels, inverters, mounting systems and associated electrical connections for residential and…
Serves UK customers seeking smaller solar installations, likely including homeowners and small businesses.
Financial Health
StableStable · 2% CAGR over 4y
Location
ACN ELECTRICAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
Richardson Electrical (UK) Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical and mechanical contracting services, including installation of power and lighting systems, control systems, data cabling, fire alarms, CCTV and access control. Also installs EV…
Serves businesses and public-sector organisations in the commercial, education, healthcare and industrial sectors, including schools, hospitals and facilities commissioning electrical, mechanical and…
Financial Health
StableStable · 0% CAGR over 4y
Location
CNM Electrical Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical installation, maintenance and testing services for domestic, commercial and industrial properties. Services include shop fitting electrics, lighting upgrades, compliance…
Serves homeowners, landlords, commercial shopfitting clients and industrial businesses in Hull and East Yorkshire, across domestic, commercial and industrial markets.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
Smart Power (Northern) Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides electrical contracting services for domestic, commercial and industrial clients, including electrical installations, rewiring, maintenance, safety inspections and condition reports, EV…
Serves domestic homeowners and landlords, plus commercial, education, church, historic-building and industrial organisations in Hull and East Yorkshire.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 2y
Location
3 Core Electrical Engineering Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services including wiring installations, inspections and maintenance for industrial, commercial and domestic premises. Designs and builds control panels and PLC…
Serves businesses, schools and homeowners in Hull and East Yorkshire, with emphasis on factories, industrial sites, commercial premises and school buyers.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
PJS ELECTRICAL AND ALARM SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical installation and maintenance services for domestic and commercial properties. Installs and services intruder and fire alarms, CCTV, access control systems, emergency lighting and…
Serves domestic customers and owners or managers of commercial and industrial properties in Beverley, Hull and surrounding villages, including households, local businesses and property operators.
Financial Health
WeakWeak · -7% CAGR over 4y
Location
UPGRADE ELECTRICAL LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services for domestic and commercial properties, including electrical installations, full and partial rewires, inspection and testing, landlord EICRs, LED lighting…
Serves homeowners, landlords, and commercial or industrial property owners in Hull, East Riding of Yorkshire, and Northern Lincolnshire.
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
Connect Electrical East Yorkshire Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services including installation of wiring systems, consumer units and electrical testing for domestic and commercial properties. Also installs solar photovoltaic…
Serves homeowners, landlords and commercial premises in Hull and East Yorkshire, including clients needing domestic, office, new-build, solar and EV charger-related electrical services.
Financial Health
HealthyHealthy · Hiring · 48% CAGR over 4y
Location
PJD Electrical Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides electrical and plumbing services for residential, commercial and agricultural properties, including installations, rewiring, inspections and emergency repairs. Also installs solar and…
Serves homeowners, landlords, commercial organisations and agricultural clients across Hull and East Yorkshire, including off-grid homes, businesses, farms, leisure sites and healthcare premises.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
JOPLING ELECTRICAL CONTRACTORS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services for domestic and commercial clients, including homes, businesses and public sector organisations. Carries out electrical installation, maintenance and related…
Serves a mixed customer base of homeowners, personal clients, local authorities and businesses seeking domestic or commercial electrical support in Hull and the surrounding area.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
WOOD ELECTRICAL SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services including design, installation, upgrades, fault finding and repairs for domestic, commercial and industrial systems. Also undertakes industrial power plant…
Serves homeowners, commercial businesses and industrial operators across Yorkshire and Humberside needing electrical contractors for domestic, commercial and plant-related sites.
Financial Health
StableStable · 0% CAGR over 4y
Location
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How Hull Electrical Contracting companies work and how to sell to them
What they do
Electrical contractors earn revenue by selling a mix of skilled labour, materials supply, inspection, testing and remedial work. Pricing typically appears as fixed-price project packages, day-rate labour, schedule-of-rates maintenance, call-out fees or retained support for estates that need regular attendance. Domestic and small commercial work is often quote-led and relationship-led, while commercial fit-out, industrial maintenance and public-sector works tend to involve drawings, site surveys, risk documentation and staged payment terms. Margin depends on utilisation, supervisor time, material buying, variation control and how quickly completed work can be certified and invoiced.
Who they sell to
Most Hull electrical contractors sell into builders, main contractors, landlords, facilities management teams, housing asset functions, local estates teams and smaller business owners with premises to maintain. The practical buyer is often a contracts manager, site manager, quantity surveyor, facilities manager or housing repairs lead, with finance and procurement becoming more visible on framework or planned-works contracts. Smaller jobs can close through direct referral and site visits, while larger packages usually involve tender pricing, evidence of insurance, accreditations, health and safety documentation, and an assessment of whether the contractor can resource the programme.
What they buy
Most electrical contracting firms tend to spend on tools, vans, testing equipment, insurance, workwear, training, accountancy and access to materials through electrical wholesalers. As they add field staff, they also become more likely to buy job management software, scheduling, mobile timesheets, quote and estimating tools, document storage, fleet tracking, payroll, HR administration and credit control support. Contractors handling landlord, facilities or construction work may value systems that connect site evidence, certificates, photos, remedial notes and invoices, because missed paperwork can delay payment even when the installation work is complete.
Why and how to sell to them
Electrical contracting buyers tend to evaluate suppliers when workload rises faster than supervisor capacity, when they win planned-maintenance or framework work, or when admin starts to slow invoicing and compliance handover. Useful triggers include recruitment for qualified electricians, new operations or compliance roles, a move into larger commercial packages, and pressure to document Building Regulations Part P work more consistently. Outbound messages usually land better when they are framed around fewer site delays, quicker certification, less rekeying between office and field, clearer margin on variations, and faster payment after completed works.
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 Hull
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Frequently asked questions
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