Electrical Contracting Companies in Manchester: 1,097 Active Firms (2026)
Electrical contracting companies in Manchester design, install, inspect and maintain building wiring and electrical systems across the metropolitan area.
Buying demand tends to sit across project and property functions: commercial occupiers, housing schemes, industrial premises and public-sector estates all need installation, inspection, testing and maintenance capacity. The Manchester cohort is therefore more contractor-market than product market, with work won through tenders, framework-style relationships and repeat facilities spend. Upper-SME and mid-market operators are the natural fit for the heavier engagements, because they need project managers, qualified field engineers and enough compliance administration to handle notification, handover documentation and remedial works. Typical work ranges from packaged fit-outs and distribution-board upgrades to planned testing cycles and safety-critical maintenance across occupied buildings.
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Manchester has 1,097 actively trading electrical contracting firms in this list, giving researchers a sizeable local pool rather than a token regional presence. Reported headcount totals 1,242 people, so the visible employment footprint is present but relatively lean for a field-services trade. The pattern fits a market with smaller contractors alongside an upper-SME and mid-market layer able to take on commercial, industrial and public-sector packages. For buyers, supplier search is likely to hinge on capacity, inspection and testing credentials, and the ability to document work across occupied sites.
Dwelling work sits under Building Regulations Part P in England, so domestic electrical jobs bring notification, inspection, testing and handover obligations that are less visible in purely commercial contracting. Approved Document P is statutory guidance for electrical safety in dwellings, covering when work must be notified and how design, installation, inspection, testing and information requirements should be handled. Installers can join a competent person scheme to self-certify certain building work instead of seeking separate building regulations approval, with electrical-scheme members included on the electrical competent person register. The Building Safety Regulator has a duty under the Building Safety Act to keep building safety and standards under review in England.
Demand appears likely to track refurbishment, compliance testing and public-estate maintenance more closely than speculative new-build cycles. Scale-up scarcity may persist, since the operating model depends on qualified labour, site supervision and documentation discipline rather than work that can be centralised easily. Newer entrants can still find niches in domestic compliance, landlord maintenance and smaller commercial jobs, but buyers with larger estates tend to favour contractors that can evidence repeatable inspection, testing and handover processes. Consolidation, where it happens, is more likely to be practical and capability-led: adding coverage, accreditations and project-management depth rather than chasing brand visibility.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
1,097
Active firms
2026
15
Above £5M turnover
Manchester contractors
262
Incorporated since 2022
Newer registrations
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Key facts
About 1% of the trading cohort reports turnover above £5M (15 of 1,097 firms) — the rest sits below that revenue band.
23% of the cohort was incorporated since 2022 (262 firms), so a sizeable share is in its first few filing cycles.
Domestic electrical work in England falls under Building Regulations Part P, with statutory guidance covering notification, design, installation, inspection, testing and information requirements.
Competent person scheme membership lets eligible installers 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.
The UK electricians market was estimated at £35.9 billion in 2024.
ONS publishes VAT and/or PAYE-based enterprise counts, employment and turnover for SIC 43.21/0 electrical installation and related SIC 43.2 construction installation activities.
Top Manchester Electrical Contracting companies
Financial sub-scores
Computed from 5 filingsProvides electrical and mechanical engineering contracting services for commercial, industrial and retail projects. Services include design, installation and maintenance of lighting, power, heating,…
Serves private and public sector clients across the North West, including commercial property owners, industrial businesses, retailers, offices, shopfitters and some domestic property customers.
Financial Health
StableStable · 0% CAGR over 5y
Location
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Computed from 5 filingsProvides electrical and mechanical building services including system design, electrical installation, project management, and ongoing maintenance for commercial and industrial construction, fit‑out,…
Serves B2B clients in commercial and industrial property, targeting project managers, quantity surveyors, building managers and facilities managers responsible for fit outs, refurbishments, upgrades…
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical and mechanical engineering services including power distribution, lighting, plumbing, gas installations, heating and water systems. Also installs fire detection and fire…
Serves B2B and residential property clients, including landlords, developers, commercial premises owners and managers of domestic or multi-occupancy buildings.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides building maintenance and construction management services for commercial properties, including electrical installations, HVAC, plumbing and heating, fire safety and security systems, data…
Serves UK businesses and organisations with commercial premises, including schools, colleges, universities and other regulated workplaces seeking a single contractor for building and facilities…
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 2y
Location
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Computed from 3 filingsProvides mechanical and electrical engineering services including design, installation and commissioning of building services systems. Delivers HVAC solutions and planned and reactive maintenance,…
Serves UK businesses needing building services support, especially commercial, food and drink production, FMCG manufacturing, industrial, R&D pharmaceutical and healthcare organisations with…
Financial Health
StrongStrong · Hiring · 22% CAGR over 2y
Location
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Computed from 4 filingsProvides electrical and mechanical engineering services including installation, commissioning, maintenance and repair for power generation, commercial and industrial systems. Offers gas turbine…
Serves public-sector bodies, utilities, oil and gas operators, aviation and industrial firms, major retailers and commercial businesses, plus domestic customers needing heating, plumbing or…
Financial Health
StableStable · -78% CAGR over 3y
Location
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Computed from 5 filingsProvides LED and smart lighting solutions for commercial and industrial premises, including lighting audits, system design, layout planning, project management and turnkey installation of…
Serves B2B customers with commercial and industrial premises, including warehouses, offices, manufacturers and retail spaces seeking lighting upgrades and project support.
Financial Health
DistressedDistressed · -13% CAGR over 4y
Location
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Computed from 5 filingsDesigns, installs, commissions and maintains fire alarm systems, emergency lighting and fire extinguishers. Also provides fire alarm monitoring, fire risk assessments, AOV system maintenance, fire…
Serves businesses and other organisations responsible for premises fire safety, especially facilities managers and maintenance contract holders needing ongoing compliance support.
Financial Health
WeakWeak · Hiring · 4% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services including design, supply and installation of electrical systems. Installs lighting, mains distribution, containment systems, EV charging points and fire…
Serves commercial and industrial property clients, nuclear, pharmaceutical and manufacturing sites, schools, healthcare facilities, recreational developments, residential developers and domestic…
Financial Health
StableStable
Location
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Computed from 5 filingsProvides electrical contracting services including system design, installation, testing and maintenance. Installs lighting, electrical distribution, IT and telecoms infrastructure, fire and intruder…
Serves public sector bodies, commercial organisations and domestic customers, including local authorities, housing associations, schools and colleges, NHS sites, fire services, private homeowners and…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services including design, installation, inspection, testing and maintenance of electrical systems for residential developments, social housing, commercial and…
Serves property developers, social housing providers, commercial and industrial organisations, and other clients needing electrical contracting across the North West.
Financial Health
HealthyHealthy · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsProvides commercial and industrial electrical services including installation, testing and maintenance of electrical systems. Offers emergency lighting, fire alarms, data cabling, machine wiring,…
Serves businesses and industrial operators in Oldham, Stockport and across Manchester, including offices, shops, schools, new-build developers and landlords.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 5y
Location
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Computed from 5 filingsProvides electrical contracting services including installation, maintenance, and inspection of electrical systems. Offers PAT testing, fire alarm and emergency lighting installation, CCTV and access…
Serves businesses and public-sector organisations across the North West, including offices, warehouses, schools, colleges, housing authorities, hospital trusts and factories.
Financial Health
HealthyHealthy · -3% CAGR over 4y
Location
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Computed from 5 filingsDesigns, supplies and installs electrical and fire safety systems for commercial and residential buildings, including fire alarms, sprinkler systems, fire doors and fire stopping. Also provides…
Serves commercial property developers, hospitality venues, apartment and hotel operators, social housing providers, local authorities and homeowners across the North West.
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services including design and installation of single- and three-phase electrical systems, lighting, CCTV and alarm systems, EV charging points, data networks and door…
Serves commercial, industrial and domestic clients, including shop fitters and organisations needing electrical contractors, mainly across the North West, Manchester, Liverpool, Salford, Worsley and…
Financial Health
HealthyHealthy · 0% CAGR over 4y
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Computed from 5 filingsProvides electrical design, installation and testing services for commercial and domestic projects, including standby generators, air conditioning, ventilation, fire alarms, CCTV and access control,…
Serves commercial developers, contractors and property owners involved in new-build and refurbishment projects, plus residential schemes such as hotels, student accommodation, apartment blocks and…
Financial Health
StableStable · Hiring · 9% CAGR over 4y
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Computed from 3 filingsProvides electrical contracting services for domestic, commercial and industrial properties, including installations, rewiring, lighting, power distribution and safety testing. Also installs solar PV…
Serves homeowners, businesses and education clients across Wigan and the wider North West, including schools, factories, offices, retail/commercial fit-outs, hotels and construction or fencing…
Financial Health
WeakWeak · -11% CAGR over 2y
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Computed from 3 filingsProvides electrical contracting services including design, installation, and maintenance of electrical systems and lighting for industrial, commercial, and public sector clients. Carries out…
Serves public sector bodies and local industrial and commercial organisations in the North West, including fire authorities, councils, and businesses needing electrical installation and maintenance…
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides electrical and mechanical engineering and contracting services, including design and installation of building services systems for commercial, industrial, healthcare and educational…
Serves commercial and industrial businesses, healthcare organisations, education providers and public-sector bodies across the North West, including councils, universities, hospitals and large…
Financial Health
HealthyHealthy · 2% CAGR over 4y
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Computed from 5 filingsProvides mechanical and electrical engineering services for building projects, including design, project management, and on‑site installation of MEP systems such as heating, ventilation, air…
Serves property developers, construction contractors and commercial clients delivering apartment schemes, commercial-to-residential conversions, refurbishments, warehouses and public-use facilities.
Financial Health
WeakWeak · -70% CAGR over 4y
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Computed from 2 filingsProvides mechanical and electrical (M&E) building services for construction projects, delivering installation and related engineering works for developments undertaken by the McGoff Group and for…
Serves McGoff Group operational businesses and external construction or development clients involved in bespoke, complex building schemes.
Financial Health
HealthyHealthy · 0% CAGR over 1y
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Computed from 3 filingsProvides electrical and mechanical contracting, design, installation and maintenance services for commercial, retail, leisure, residential and public buildings, including project management,…
Serves business and public-sector clients across education, leisure, retail, hospitality, offices, industrial sites, residential and public buildings, with some domestic customers.
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WeakWeak · 0% CAGR over 2y
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Computed from 5 filingsProvides electrical contracting services for domestic, commercial and industrial clients, including electrical installations, EICR inspections, lighting systems, distribution board upgrades, EV…
Serves commercial businesses, industrial operators and residential customers, with emphasis on workplaces, factories, offices and facilities in Greater Manchester and clients across the UK.
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StableStable · Hiring · 3% CAGR over 4y
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Computed from 5 filingsProvides electrical engineering and contracting services including installation, testing and commissioning of electrical systems for domestic, commercial, industrial and public sector projects.…
Serves domestic clients, commercial businesses, industrial operators and public sector organisations, covering both small and large projects locally and nationally.
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HealthyHealthy · Growing · 0% CAGR over 4y
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Computed from 3 filingsProvides electrical engineering and contracting services, including electrical installation, testing and commissioning. Works on domestic, commercial, industrial and public sector projects,…
Serves domestic customers, commercial and industrial organisations, and public sector bodies, supporting both small and large projects locally and nationally.
Financial Health
WeakWeak · 0% CAGR over 2y
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Computed from 5 filingsProvides electrical contracting services including installation and maintenance of electrical systems, fire alarms, emergency lighting and solar PV. Conducts electrical testing (EICR) and reactive…
Sells primarily to B2B and public sector buyers, especially local authorities, social housing providers, schools, retail and leisure operators, care homes, and main contractors across North West…
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 4y
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Computed from 5 filingsProvides electrical contracting services including design, installation and maintenance of building electrical systems. Delivers power installations, data and communications cabling, life safety and…
Serves business and public-sector clients across industrial, commercial, education, healthcare, emergency services, leisure, residential, retail and sports sectors, including local authorities and…
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StableStable · 0% CAGR over 4y
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Computed from 5 filingsProvides electrical installation and fit‑out services for commercial buildings, including power distribution, lighting systems, data cabling, CCTV and intruder alarms. Also offers electrical design,…
Serves B2B clients including commercial property owners, developers, fit-out contractors and facilities managers, with projects in offices, retail centres and refurbished buildings in Manchester and…
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
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Computed from 5 filingsProvides mechanical and electrical engineering services for commercial and industrial buildings, including system design, installation, testing, commissioning and maintenance. Also offers project…
Serves commercial property clients, industrial facilities, construction contractors and developers, plus public-sector bodies including government and Ministry of Justice sites.
Financial Health
WeakWeak · 0% CAGR over 4y
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Computed from 3 filingsProvides electrical contracting services for domestic, commercial and industrial clients, including installations, rewiring, testing, kitchen and bathroom upgrades, and electrical work for office…
Serves domestic, commercial and industrial customers, including fast-food restaurant chains, social housing landlords, councils, offices and homeowners needing electrical services.
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HealthyHealthy · Growing · 0% CAGR over 2y
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Computed from 3 filingsProvides electrical contracting services for domestic, commercial and industrial customers, including electrical installations, rewiring, maintenance, fault finding and testing. Also installs…
Serves residential and commercial customers across Stockport, South Manchester, Greater Manchester and the North West, including households and local businesses needing electrical contractors.
Financial Health
WeakWeak · -15% CAGR over 2y
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Computed from 5 filingsProvides electrical design, installation and testing services, including lighting systems and fixed wire testing. Installs and maintains fire alarm systems, CCTV, security and intruder alarms, and…
Serves B2B, public-sector and domestic customers, including schools, manufacturers, offices, retail and leisure venues, housing developments, airports, religious organisations and homeowners.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
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Computed from 3 filingsProvides building and electrical contracting services for commercial and industrial properties, including installation and testing of electrical systems, thermal imaging, emergency lighting, air…
Serves commercial, industrial and public-sector clients across Merseyside and the UK, including healthcare trusts, schools, colleges, universities, financial firms, retailers, shopping centres and…
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StableStable · 0% CAGR over 2y
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Computed from 4 filingsProvides electrical contracting services including wiring installations, rewires, electrical heating systems and maintenance for residential housing, new‑build developments and social housing, as…
Serves building contractors, landlords, homeowners, estate agents, housing associations, property developers, and commercial or industrial premises across the North West, including hospitality,…
Financial Health
StableStable · -21% CAGR over 3y
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Computed from 5 filingsProvides electrical contracting services for residential, commercial and industrial properties, including installations, repairs and inspections. Services include LED lighting upgrades, solar PV, EV…
Sells to homeowners and business property customers, including commercial and industrial sites, needing electrical services. Serves residential, commercial and industrial clients across Stockport,…
Financial Health
HealthyHealthy
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Computed from 5 filingsProvides electrical installation and maintenance services for residential and commercial properties, including lighting design and installation, electrical condition reports, consumer unit upgrades,…
Serves homeowners, disabled residents needing call-outs, offices, schools and other domestic or commercial property owners in Bolton and Greater Manchester.
Financial Health
StrongStrong · Growing, Hiring · 34% CAGR over 4y
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Computed from 3 filingsProvides electrical contracting services for domestic and commercial clients, including electrical installations, inspections, repairs and maintenance, rewiring, EV charger installation, lighting…
Serves domestic homeowners and commercial clients across Greater Manchester and the North West, including offices, colleges, universities, clubs, bars, hotels, stadiums, construction companies and…
Financial Health
StrongStrong · Growing · 4% CAGR over 2y
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Computed from 5 filingsProvides electrical contracting services for construction and refurbishment projects, including electrical installations for new builds, housing developments, schools, offices and office fit-outs, as…
Serves main contractors, property developers, housing providers, schools, office occupiers, industrial and commercial clients, plus domestic customers, on major electrical projects across the UK.
Financial Health
HealthyHealthy · -2% CAGR over 4y
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Computed from 5 filingsProvides commercial electrical contracting services including NICEIC inspections and testing, data cabling installation, LED lighting upgrades, EV charging point installation, emergency lighting…
Serves commercial and industrial businesses in Bolton and surrounding areas, including office and factory operators needing electrical contractors for compliance, refurbishments, lighting, data, EV…
Financial Health
HealthyHealthy · -1% CAGR over 4y
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Computed from 5 filingsProvides electrical contracting services for domestic, commercial and industrial clients, including electrical installations and maintenance, property rewiring, testing and compliance inspections,…
Serves homeowners, landlords, property managers, housing associations, estate agents, and commercial or industrial premises in Greater Manchester and Cheshire needing electrical contractor support.
Financial Health
HealthyHealthy · -53% CAGR over 4y
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Computed from 5 filingsProvides electrical and mechanical engineering contracting services, including design and installation for building projects. Works on commercial office fit-outs, residential developments, student…
Serves construction clients and main contractors across large domestic new builds, commercial offices, residential and student accommodation, industrial units, retail car dealerships, and education…
Financial Health
StableStable · -10% CAGR over 4y
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Computed from 5 filingsProvides mechanical and electrical contracting services for residential new-build developments and commercial projects, including electrical installations, plumbing and heating systems, air source…
Serves major UK housing developers and commercial organisations, mainly clients commissioning new-build housing estate projects, plus businesses seeking subcontractor support for commercial property…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
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Computed from 3 filingsProvides mechanical, electrical and plumbing (MEP) engineering services for construction projects, including system design, installation and commissioning. Also installs fire detection and security…
Serves construction-sector clients across the UK, particularly developers and main contractors delivering high-rise residential, multi-unit and commercial schemes, plus property managers needing…
Financial Health
HealthyHealthy · -86% CAGR over 2y
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Computed from 5 filingsProvides commercial and domestic electrical services including installations, refurbishments, and reactive repairs. Specialises in electrical work for hospitality venues such as pubs, restaurants,…
Serves commercial and domestic customers, with a focus on hospitality businesses such as pubs, restaurants and hotels, plus landlords, small businesses, offices, schools, medical centres, dentists,…
Financial Health
StrongStrong · Hiring · 68% CAGR over 4y
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Computed from 5 filingsInstalls renewable energy and electrical systems for residential and commercial properties, including solar PV panels, battery storage, heat pumps, and EV charging points. Provides electrical,…
Serves residential homeowners and commercial property owners or occupiers across Manchester and the North West, including businesses seeking lower energy costs and emissions.
Financial Health
HealthyHealthy · Hiring · 50% CAGR over 4y
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Computed from 5 filingsProvides electrical contracting services for industrial, commercial and domestic clients, including electrical installation, maintenance, testing and fire alarm systems. Undertakes site-based…
Sells to industrial, commercial and domestic customers, serving businesses and homeowners needing electrical contracting, maintenance, testing and fire alarm work. Operates for local clients in the…
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StableStable · 0% CAGR over 4y
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Computed from 5 filingsProvides electrical contracting services including commercial and industrial electrical installations, maintenance and repairs, system upgrades, lighting design and installation, shopfitting…
Serves businesses and industrial operators across the North West, including offices, retail shops, hospitality venues, warehouses and factories, plus homeowners needing domestic electrical and…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
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Computed from 5 filingsProvides electrical contracting services including electrical installation, testing, and maintenance for commercial and industrial buildings, alongside planned, preventative, and reactive maintenance…
Serves businesses and public-sector organisations needing support for buildings and facilities, including property owners, facilities managers and project clients across the North West and beyond.
Financial Health
HealthyHealthy · -19% CAGR over 4y
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Computed from 5 filingsProvides electrical and construction services including electrical installations, fixed wire testing (EICR), PAT testing, fire alarm and emergency lighting testing, CCTV and access control systems,…
Serves homeowners, commercial organisations with multiple branches, industrial sites including flameproof environments, and public sector bodies seeking decarbonisation support.
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StableStable · Hiring · 19% CAGR over 4y
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Computed from 5 filingsProvides electrical contracting services including design, installation and maintenance of lighting and power systems. Also carries out fire alarm and emergency lighting installation, cable…
Serves commercial and industrial organisations, including production plants, factories, industrial premises and commercial developments, plus health authorities.
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StableStable · 0% CAGR over 4y
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How Manchester Electrical Contracting companies work and how to sell to them
What they do
Revenue usually comes from labour, materials and subcontracted project delivery rather than a repeatable product. Manchester electrical contractors typically quote fixed-price packages for fit-outs, rewires, distribution-board works and remedial jobs, with day-rate or schedule-of-rates pricing used where scope is less settled. Planned inspection, testing and maintenance can create repeat work, although many firms still rely on project flow from main contractors, landlords and facilities teams. Cash timing matters: materials may be bought before milestone payments arrive, and site delays can turn a nominally profitable job into a margin problem.
Who they sell to
Most buyers sit in property, construction, estates and operations teams. Typical contacts include facilities managers, project managers, quantity surveyors, procurement leads, landlords, housing managers, health and safety leads and building-services consultants. Smaller jobs may be bought directly after a site visit and quote, while commercial and public-sector work tends to pass through approved supplier lists, tender portals, framework agreements or subcontract packages from a main contractor. Sales cycles vary accordingly: urgent remedial work can move quickly, but multi-site maintenance, refurbishment and public-estate contracts usually require credentials, insurance checks, method statements and evidence of past delivery.
What they buy
Most electrical contracting firms tend to spend on tools that keep field work, compliance paperwork and job costing under control. Relevant categories include field-service management, scheduling, quoting, estimating, CRM, accounting, payroll, timesheets, document control, fleet administration, health and safety management and project cost tracking. Larger contractors may also need design support, building-services coordination, data storage for handover packs and reporting across multiple sites. Outside software, common spend areas include recruitment, training, insurance, accountancy, legal support, bid writing, vehicle supply, test equipment, workwear, telecoms and outsourced marketing for local search or framework positioning.
Why and how to sell to them
Buying intent often appears when contractors win larger packages, add supervisors, move into planned maintenance, take on more dwelling work under Part P contexts or start bidding for public-sector and housing work. Only 15 Manchester firms in this cohort are above £5M turnover, so qualification should separate owner-managed operators from those with enough administration, site management and recurring work to justify new systems or services. Useful outbound angles tend to be practical: fewer missed appointments, faster certification, clearer audit trails, lower rework, better cash collection and tighter control of labour and materials on live jobs.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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Frequently asked questions
How many electrical contracting companies are there in Manchester?
What counts as a electrical contracting company in this list?
Which are the largest electrical contracting companies in Manchester?
What do electrical contracting companies in Manchester actually do?
How does Manchester electrical contracting compare internationally?
How is this list built and how fresh is the data?
How big are the typical electrical contracting companies in Manchester?
Are these mostly new or established electrical contracting companies?
What SIC codes does this use?
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