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Electrical Contracting Companies in Plymouth: 143 Active Firms (2026)
Electrical contracting companies design, install, inspect and test power, lighting and safety systems for homes and premises around Plymouth.
Buying centres in Plymouth electrical contracting tend to sit with building contractors, property managers, facilities teams, landlords and public-sector estates staff. Work is usually won as packaged installation, inspection, testing or maintenance rather than as standalone consultancy, ranging from residential compliance jobs to commercial refurbishment, small works frameworks and reactive support. The typical supplier profile is SME rather than national contractor: local enough to cover the city and surrounding area, but organised enough to handle certification, scheduling, supervision and multi-site customer requirements without relying solely on owner-managed delivery.
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Around Plymouth, 143 active trading electrical contracting companies sit in this cohort. Reported headcount totals 341, giving the local market a small-employer profile rather than the feel of a concentrated contractor base. That matters for buyers: capacity may depend on supervisor availability, certification turnaround and subcontractor relationships, not just van count. The presence of only a limited turnover-above-threshold layer also suggests that larger commercial or public-sector packages are likely to filter towards a narrow set of local operators or to contractors based outside the immediate area.
Domestic electrical work sits under Building Regulations Part P in England. GOV.UK describes Approved Document P as statutory guidance for electrical safety in dwellings, covering notification, design, installation, inspection, testing and handover information. 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 now keeps building safety and standards under review in England, so compliance paperwork is part of the commercial proposition, not an afterthought for small contractors.
The local cohort appears weighted towards small, service-led contractors rather than scaled installation groups. That tends to favour buyers with repeat maintenance, compliance and refurbishment needs, because relationships, response times and certification discipline matter as much as procurement scale. Margin pressure is likely to remain tied to labour availability, materials pricing and the ability to price risk in fixed-scope jobs. Consolidation may occur around supervisors, certifications and customer access rather than brand visibility. For newer entrants, the harder task is moving from domestic and small commercial work into managed packages without losing control of quality assurance.
143
Active firms
2026
32
Incorporated since 2022
Plymouth cohort
1
Above £5M
reported turnover
Key facts
About 1% of the trading cohort reports turnover above £5M (1 of 143 firms) — the rest sits below that revenue band.
22% of the cohort was incorporated since 2022 (32 firms), so a sizeable share is in its first few filing cycles.
Building Regulations Part P covers electrical safety in dwellings in England, including notification, design, installation, inspection and testing requirements.
Competent person schemes let registered installers self-certify certain building work rather than seek 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 put at £35.9 billion in 2024, with demand tied to housing, commercial premises and construction installation work.
Top Plymouth Electrical Contracting companies
Ocean Electrics South West Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides residential, commercial and industrial electrical services including installations, rewiring, consumer unit upgrades, fault repairs, emergency callouts, and electrical inspections and…
Serves homeowners and landlords, plus commercial, industrial and public-sector organisations such as schools, hospitals, retailers and dockyard clients in Plymouth, Devon and Cornwall.
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
Infinite Services SW Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides electrical installation and project management services for construction projects, including commercial and domestic work. Installs fire and security systems, data cabling, CCTV, fibre optic…
Serves B2B and domestic customers, including construction clients, fire and security firms, commercial businesses, power stations, MOD sites, dockyards, shopping centres and homeowners.
Financial Health
StableStable · 0% CAGR over 4y
Location
ROWE ELECTRICAL ENGINEERS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services including design, installation, rewiring, testing and maintenance of electrical systems for industrial, commercial and domestic properties. Also installs fire…
Serves B2B and B2C customers across Plymouth, Devon, Cornwall and the South West, including factories, warehouses, production facilities, offices, landlords, shops, business premises and homeowners.
Financial Health
StableStable · 0% CAGR over 5y
Location
APEC MECHANICAL & PLUMBING SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides domestic and commercial electrical contracting services, including electrical installations, testing and commissioning, fault repairs, emergency lighting, fire alarm systems, CCTV and…
Serves homeowners and families needing domestic electrical support, plus businesses of any type requiring commercial electrical contractors, primarily in Plymouth, nearby towns and across Devon and…
Financial Health
WeakWeak · -79% CAGR over 4y
Location
G J M Electrical (SW) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services for domestic, commercial and industrial properties, including wiring, full rewires, lighting design, CCTV and intruder alarm installation. Undertakes shop and…
Serves homeowners, landlords and letting agents, alongside commercial and industrial clients such as shops, restaurants, offices, factories, construction companies and housing associations across…
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
CHUBB ELECTRICS LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides electrical contracting services for industrial, commercial and domestic clients, including electrical system design, installation and maintenance, PAT testing, control systems, specialist…
Serves private and public sector organisations needing commercial or industrial electrical contractors, alongside domestic customers. Client segments include manufacturers, marine organisations,…
Financial Health
StableStable
Location
MDP Electrical SW Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical installation, maintenance and testing services for domestic, commercial and industrial properties, including fault finding, rewiring, consumer unit upgrades, lighting…
Serves homeowners, landlords, builders and commercial or industrial premises across Devon and Cornwall, including shops and businesses needing electrical contractors for projects, testing, call-outs…
Financial Health
StableStable · -5% CAGR over 4y
Location
Blec Group UK Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting and building safety services including electrical installations, maintenance and EICR testing. Installs and services fire alarms, emergency lighting and smoke…
Serves property managers and public- and private-sector organisations responsible for built environments, including management companies, housing providers, commercial premises, retail sites and care…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
Countrywide Electrical Testing Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical inspection and testing services, including EICRs for commercial, industrial and rental properties. Also installs and tests fire alarms, emergency lighting and door entry systems,…
Serves commercial and industrial clients, landlords and property managers across Plymouth, Devon, Cornwall and the South West.
Financial Health
StrongStrong
Location
Pro-Lec Electrical (SW) Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services for residential and commercial properties, including electrical installations and repairs, LED lighting design and upgrades, solar power systems, fire alarms…
Serves homeowners, landlords, property managers, and commercial or industrial clients in Devon and Cornwall needing electrical services, compliance support, security, fire, solar, and energy-related…
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
JMC Mechanical Electrical & Air Conditioning Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical, electrical and HVAC services including air conditioning installation and maintenance, commercial and domestic plumbing, gas engineering, electrical installations and rewiring,…
Serves homeowners, landlords and businesses of all sizes across Plymouth and the South West, with emphasis on commercial and industrial customers needing mechanical, electrical, air conditioning and…
Financial Health
StableStable · Hiring · 14% CAGR over 4y
Location
MEP Systems Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides mechanical and electrical engineering services for building projects, including system design, supply, installation, commissioning and maintenance. Works on heating, gas, water and related…
Serves domestic, commercial, retail and industrial development clients across the South West, including construction contractors and project teams working on education, heritage, office and mixed-use…
Financial Health
HealthyHealthy · -7% CAGR over 3y
Location
ENVIROLEC (SW) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
METS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -7% CAGR over 4y
Location
Olympia Electrical Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
SJC Specialised Electrical Services LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 1y
Location
D.Mann Electrical Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
WeakWeak · Hiring · 50% CAGR over 1y
Location
Southmore Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
Ams Electrical Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 5y
Location
Alford Electrical Services Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 5y
Location
K K Controls & Equipment Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures electrical control panels and building management systems (BMS/BEMS). Provides electrical installations, HVAC and lighting control systems, and 24‑hour service and…
Serves commercial building owners, facilities managers, contractors and domestic clients in the South West, including maintenance contract clients needing electrical and building-control support.
Financial Health
HealthyHealthy · -3% CAGR over 4y
Location
HEG SERVICES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 6% CAGR over 5y
Location
PBW ELECTRICS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
PM&ES Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Direct Electrical Contractors Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
KES (SW) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
Hjs Fire & Security Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StableStable
Location
C.S.I. (SW) LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 19% CAGR over 4y
Location
DA Electrical & Plumbing Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
AMS Homes Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable · 0% CAGR over 2y
Location
Devon & Cornwall Electrical Ltd
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsInstalls solar photovoltaic (PV) systems for residential and commercial properties, including new builds. Provides system design, supply and installation, along with battery storage integration,…
Serves domestic homeowners, commercial property owners, businesses of varied premises sizes, and new-build developers across Plymouth and the South West, with both B2C and B2B customers.
Financial Health
HealthyHealthy · 0% CAGR over 1y
Location
Pyramid Electrical Services Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 9% CAGR over 3y
Location
Electrical Design South West Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 5y
Location
South West Fire Alarms Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing, Hiring · 32% CAGR over 5y
Location
BURGESS ELECTRICAL SOLUTIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
Citadel Electrical Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
MCE SW LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Pat Hanlon Electrical Installation Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 5y
Location
Boes (SW) Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · -16% CAGR over 2y
Location
DTE ELECTRICAL BROTHERS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · 0% CAGR over 3y
Location
Ecoelec Southwest Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
WRIGHT ELECTRICAL SOLUTIONS SW LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Hiring · 14% CAGR over 3y
Location
LOCK ELECTRICAL (SW) LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
DAN AQUILINA ELECTRICAL LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy · 0% CAGR over 3y
Location
BEC ELECTRICIANS PLYMOUTH LTD
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Concept Electrical South West Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · 0% CAGR over 3y
Location
SMART STYLE LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StableStable
Location
Polar Energy Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
HealthyHealthy · 0% CAGR over 1y
Location
SOUTH WEST SPARKS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · -21% CAGR over 2y
Location
Dawe Electrical Services South West Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong
Location
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How Plymouth Electrical Contracting companies work and how to sell to them
What they do
Plymouth electrical contractors usually make money through quoted installation projects, scheduled maintenance, inspection and testing, and reactive fault work. Revenue is a blend of labour, materials margin, certification and call-out charges, with pricing moving between fixed-price tender, schedule-of-rates work and day-rate support. Residential compliance jobs may be owner-managed and low-friction, while commercial refurbishment, landlord portfolios and public-sector estates work require risk assessment, job scheduling, test documentation and staged invoicing. Many firms are not pure consultancy businesses; the sellable asset is qualified labour organised around vans, supervisors, parts availability and proof that the installation has been designed, tested and handed over correctly.
Who they sell to
Most buyers are practical operators rather than software-style procurement teams: main contractors, local developers, letting agents, facilities managers, school or council estates staff, housing providers and premises owners. Day-to-day decisions often sit with a contracts manager, estates manager, property manager or owner-director, while finance teams tend to appear when frameworks, credit terms or staged payments are involved. Small works can be awarded after a site visit and quote; larger packages tend to move through tender lists, pre-qualification, insurance checks and references. Direct sales, referrals and repeat relationships matter, although public-sector and construction work can pull contractors into more formal procurement channels.
What they buy
Most electrical contracting firms tend to spend on the operational layer that keeps chargeable electricians moving: estimating, scheduling, job management, mobile worksheets, vehicle tracking, stock control, accounting, payroll, health and safety documentation, and customer communications. Compliance-led contractors also buy training, certification support, test equipment calibration, insurance, legal advice, credit control and document storage for inspection records. Recruitment services, temporary labour networks and apprenticeship support can matter when supervisors are stretched. Suppliers selling software or services usually need to fit around site work, not office routines, because admin is often handled between jobs, by a small back office, or by working directors.
Why and how to sell to them
Electrical contracting buyers tend to evaluate new suppliers when workload becomes harder to control: a framework win, a run of refurbishment projects, an inspection backlog, a supervisor leaving, or a move from domestic jobs into managed commercial work. Materials price movement, late payments and certification errors all create buying triggers, because they affect margin and rework rather than abstract efficiency. Outbound angles usually land better when they are grounded in fewer missed visits, faster quote-to-invoice flow, clearer evidence packs and less time spent chasing certificates, timesheets or purchase orders. Generic growth messaging is less useful than showing how the offer protects cash flow and supervisor capacity.
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 Plymouth
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Frequently asked questions
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