M&E Contracting Companies Using All in One SEO in the UK: 114 Active Firms (2026)
M&E contractors running SEO optimisation plugins manage building services installations and use website tooling to support organic search visibility in the UK.
For M&E contractors, an SEO plugin normally sits close to the marketing function rather than the operational stack. Buying centres are usually owner-directors, commercial directors or outsourced web agencies, with the website used to organise service pages, project credentials and regional coverage. Adoption signals a contractor with enough direct-channel intent to maintain its own search presence, but not necessarily an in-house digital team. The commercial context is project-led: commercial, industrial and public-sector work where prequalification, capability evidence and repeat maintenance frameworks make organic visibility useful before a buyer sends an enquiry.
Read more
In the UK, 114 actively trading M&E contractors are detected running the plugin. Their reported headcount totals 1,277, giving the cohort a modest employment footprint despite its concentration in trade and construction categories. Within SEO-plugin detections among 1,229 sector peers, the plugin sits third at 9.3%. Registered-region skew is visible rather than extreme: South East accounts for 17.5%, London 14.9%, West Midlands 12.3%, East of England 11.4% and North East 8.8%. That pattern fits a contractor base serving regional commercial estates rather than a purely metropolitan software-buying audience.
SEO tooling is low-risk compared with the underlying contracting activity, but adjacent website functions can still create obligations. Public-sector and main-contractor procurement tends to scrutinise accreditations, insurance, project references and health-and-safety materials, so search pages have to stay aligned with tender collateral rather than drift into generic lead generation. Where visitor tracking, forms and anti-spam checks sit alongside the plugin, UK GDPR and ICO guidance make consent wording, retention periods and enquiry handling relevant. Claims around energy performance, fire safety or compliance-led installation work need care, because marketing copy can become part of the evidence trail.
Adoption appears to be a pragmatic layer rather than a marker of digital maturity in its own right. The cohort looks operationally conservative: many firms use agency-managed websites, standard content-management stacks and familiar plugins, while a smaller group treats search as part of a direct tender-and-maintenance pipeline. Migration pressure is likely to come less from marketing fashion than from hosting, security and plugin-maintenance cycles. Smaller specialists may keep the same stack for long periods, provided service pages continue to convert local enquiries and satisfy procurement checks.
Adoption by company size
Adoption of All in One SEO varies by company size across the trading UK M&E contracting companies in this cohort. 3.5% of the 2,215 companies with under 10 employees run All in One SEO (77 detected). 3.4% of the 1,023 companies with 10–50 employees run All in One SEO (35 detected). 1.7% of the 118 companies with over 50 employees run All in One SEO (2 detected). That is a 1.8% gap between the over 50 employees and under 10 employees bands.
114
Active firms
2026
9.3%
Of detected SEO share
UK M&E contracting
6
Median headcount
Filed accounts
233
Verified contacts
Across this cohort
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Key facts
About 8% of the trading cohort reports turnover above £5M (10 of 114 firms) — the rest sits below that revenue band.
3% of the cohort was incorporated since 2022 (4 firms), so a sizeable share is in its first few filing cycles.
M&E contractors running this SEO plugin rank third by detected SEO share within the sector: 9.3% (114) of 1,229 companies with a detectable system, behind systems at 79.7% (979) and 9.6% (118).
The regional skew is towards the South East at 17.5% (20), followed by London at 14.9% (17), the West Midlands at 12.3% (14), the East of England at 11.4% (13) and the North East at 8.8% (10).
All detected sites in the cohort also use the same underlying content-management software, at 100.0% (114), with analytics and form-handling tools each present on 46.5% (53).
Field services and trades dominate the tagging mix at 91.2% (104), with construction also attached to 72.8% (83); renewable energy appears on 7.9% (9).
SEO market share among UK M&E Contracting
Share of the 1,229 UK M&E Contracting with a detectable system. As of June 2026.
What else do All in One SEO-running M&E Contracting run?
Share of the 114 All in One SEO-running UK companies where each technology was also detected. As of June 2026.
Where All in One SEO M&E Contracting are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£829.5K
Median UK turnover
8.8%
Above £5M turnover
4
Incorporated since 2022
233 verified decision-maker contacts
across these 114 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK M&E Contracting using All in One SEO
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical engineering services including design, supply and installation of building systems. Also delivers EV charging infrastructure, energy and control systems, testing,…
Serves B2B construction and facilities clients across leisure, healthcare, residential, education, commercial, industrial and manufacturing sectors, including manufacturers needing mechanical and…
Financial Health
HealthyHealthy · -11% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides design, installation and commissioning of mechanical, electrical and plumbing (MEP) building services for construction projects, including public health systems and planned preventative…
Serves B2B and public-sector clients in education, government, commercial property, healthcare, hotels, communal housing and retail, typically via project tenders for building services contracts.
Financial Health
StableStable · -91% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides design, supply, installation, testing and maintenance of electrical and mechanical systems for commercial and industrial projects. Delivers MEP services including energy management, security…
Serves commercial and industrial clients, including schools, offices, warehouses, data centres and retailers, plus construction sites needing temporary site services across parts of South East and…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides electrical and mechanical engineering services, including installation and maintenance of commercial fire alarm systems, passive fire protection, renewable energy systems, interior fit‑outs,…
Serves B2B commercial and industrial clients across the UK, including offices, hotels, retailers, pharmaceutical firms, logistics operators, banks, museums, and construction/main contractor partners.
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical engineering services including installation, repair and maintenance of district heating, HVAC and heat pump systems. Delivers M&E projects, renewable energy systems…
Serves local authorities, education organisations, NHS and health services, plus commercial, private-sector and residential clients with projects in and around London and South East England.
Financial Health
HealthyHealthy · Growing, Hiring · 17% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services engineering for construction projects. Delivers design, BIM coordination, installation and commissioning for commercial, residential, healthcare…
Serves public and private sector client teams on commercial, residential, healthcare, heritage and education construction projects needing building services engineering support.
Financial Health
StableStable · Hiring · 11% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides commercial heating and HVAC engineering services, including boiler servicing, maintenance and repair, system design and installation, pipework fabrication, pumps and BMS controls, air…
Serves B2B and public sector organisations needing commercial heating and HVAC support, including schools and higher education, healthcare, heritage sites, industrial and manufacturing businesses,…
Financial Health
WeakWeak · -69% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsDesigns, installs and maintains building energy management and automatic control systems for commercial buildings. Services include BMS design and integration, control panel manufacture, electrical…
Serves construction contractors, developers and facilities/building managers for commercial properties, including offices, retail centres, gyms and youth/community facilities.
Financial Health
StableStable · -19% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical (M&E) building services for commercial projects, including electrical installations, fire detection systems, emergency lighting, and data cabling, alongside…
Serves commercial and corporate clients across the UK, including brands in sectors such as drinks, financial services and entertainment.
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsDesigns and installs mechanical and public health building services for commercial and industrial buildings. Provides in‑house engineering design, system installation, and project management for…
Serves businesses and public-sector organisations across the UK in the commercial and industrial built environment, including healthcare facilities, schools, retailers, fit-out projects and…
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides commercial building services including installation, maintenance and repair of air conditioning and heating systems, electrical testing and installations, and water system monitoring,…
Serves commercial organisations and facilities managers across the south of the UK needing building services support for air conditioning, heating, electrical, water systems and facilities management.
Financial Health
HealthyHealthy · -42% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides mechanical services contracting for construction projects, including design‑and‑build and pre‑specified installations. Supports tender stages with building surveys and cost estimates,…
Serves building and fit-out contractors in the construction industry, particularly for commercial, retail, hospitality, medical and domestic projects requiring tender support, delivery and MEP…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides electrical contracting services for commercial projects, including design, installation, maintenance and testing of electrical systems. Also installs renewable energy systems such as solar…
Sells to businesses needing large-scale commercial electrical and renewable solutions, particularly multi-site retail and commercial brands. Serves corporate property, facilities and sustainability…
Financial Health
HealthyHealthy · Growing, Hiring · 2% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services, including design and installation of lighting, power and electrical distribution systems, heating and hot water systems, air conditioning,…
Serves businesses, contractors and project clients in Leicestershire requiring mechanical and electrical building services for design-and-build or pre-designed projects.
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical engineering services including HVAC system design and installation, electrical installations, and building control systems. Delivers M&E projects, service…
Serves B2B and public-sector facilities teams, property managers, contractors and commercial occupiers in hotels, offices, media sites, airports, education and leisure across London, the South, East…
Financial Health
StableStable · Hiring · 5% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical engineering services including installation, maintenance and repair of air conditioning, refrigeration, ventilation, electrical and plumbing systems, catering…
Serves businesses and institutions in industry, commerce, retail, education and hospitality, including facilities managers, schools, manufacturers, offices, venues and multi-site organisations across…
Financial Health
StableStable · -68% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services including air conditioning installation and maintenance, gas and heating system servicing, electrical installation, and planned preventative…
Serves B2B building managers and facilities teams across sectors in the South East and Greater London, particularly organisations responsible for commercial building systems and maintenance.
Financial Health
StableStable · -7% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides electrical engineering services including system design, installation, commissioning and maintenance for commercial, industrial and public sector buildings. Also undertakes mechanical…
Serves commercial, industrial and domestic clients, including retail, leisure, education, government and chemical-sector organisations, with project work across the UK and into Europe.
Financial Health
StableStable · -3% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides HVAC and building services engineering for commercial and industrial projects, including installation and servicing of heating, ventilation and air conditioning systems, and delivery of…
Serves main contractors and public sector organisations involved in industrial and commercial building projects on the South Coast of England.
Financial Health
StableStable · -10% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides mechanical, electrical and plumbing engineering services for commercial and industrial building projects, including system design, HVAC, power and plumbing installation, project planning,…
Serves B2B clients involved in large-scale commercial and industrial building projects, including blue-chip companies, developers, main contractors and facilities teams needing support for complex,…
Financial Health
StableStable · 0% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsDesigns, installs and tests intelligent building control systems for commercial and industrial facilities. Provides electrical controls engineering and installation services, including system…
Serves B2B construction and property clients nationwide, including building contractors, developers and facilities managers commissioning intelligent building control system projects.
Financial Health
StableStable · -4% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides design, installation and maintenance of commercial building engineering systems, including heating, lighting, ventilation, air conditioning, refrigeration, fire systems, and water and air…
Sells to commercial property owners, operators and facilities teams needing building engineering support, serving businesses with both large national contracts and smaller commercial projects.
Financial Health
WeakWeak · Hiring · 8% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Provides mechanical and electrical engineering services for infrastructure projects, including design, installation and commissioning of power distribution, control and instrumentation systems,…
Serves main contractors, joint ventures, utilities and infrastructure asset owners in water, power, energy-from-waste, transport, rail, tunnelling, defence and process sectors, mainly on large UK…
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Provides mechanical, electrical and instrumentation engineering services for infrastructure projects. Designs, installs and commissions power distribution, control systems, pumping equipment and…
Serves major contractors, joint ventures and infrastructure asset owners in the water, power, energy-from-waste, tunnelling, rail, transport, defence and process sectors, including utilities and…
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides electrical, mechanical and civil engineering contracting services, including LED lighting installations, solar PV systems, EV chargers and power distribution equipment, as well as defence…
Serves public and private sector clients in the UK, including defence organisations, sports venues, commercial property owners, developers, and facilities managers needing electrical, mechanical,…
Financial Health
StrongStrong
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 4 filingsProvides commercial and industrial plumbing and heating services, including installation and maintenance of boiler houses, ventilation and mechanical control systems, air conditioning, and waste…
Serves commercial and industrial property owners, facilities managers and public-sector sites such as schools and hospitals, as well as offices and warehouses.
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 3y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides electrical contracting and facility maintenance services for commercial and industrial buildings, including electrical installations and testing, building repairs, compliance inspections,…
Serves facilities managers, estate teams and building owners across the UK, including schools, academies, airports, airlines, hospitals, healthcare sites, offices and industrial facilities.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsDesigns and builds data centres, server rooms and communications facilities. Provides cooling systems, electrical and technical infrastructure, modular and micro data centres, rack colocation…
Serves UK public sector bodies and corporate organisations with mission-critical IT environments, including blue light, defence, education, healthcare, local authorities and retail clients.
Financial Health
HealthyHealthy · -1% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides electrical engineering services including system design, installation, and upgrades for commercial and industrial facilities. Also delivers EV charging infrastructure design, lighting…
Serves B2B and public sector clients, including local authorities, architects, corporate companies, site owners, schools, colleges, universities, hospitals, care homes, transport sites, offices,…
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides mechanical engineering services for commercial and industrial buildings, including design and build of mechanical systems, commercial gas installation and maintenance, HVAC installation, and…
Serves B2B customers in commercial and industrial sectors, including facilities managers, property owners, contractors, and project teams responsible for mechanical building services, gas systems,…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides mechanical building services contracting, including design‑build support, engineering advice, and installation of pre‑designed systems. Delivers mechanical engineering works, system…
Serves B2B clients across the UK with new-build, refurbishment or legacy building-system projects, typically requiring mechanical engineering support on projects valued from £20,000 to £3m.
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides commercial heating, air conditioning and refrigeration services including installation, maintenance and repair. Also delivers boiler and plumbing servicing, BMS controls, water treatment,…
Serves commercial and industrial organisations across the UK, particularly facilities teams responsible for building heating, cooling, hot water, air conditioning and compliance needs.
Financial Health
StrongStrong
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical engineering services including installation and maintenance of commercial gas and heating systems, hot water supply, HVAC, and electrical building services.…
Serves mainly B2B property and facilities customers, including estates and facilities managers responsible for HMOs, mixed-use buildings, offices and retail premises, plus schools and some private…
Financial Health
HealthyHealthy · Hiring · 65% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides building services engineering including electrical installation, mechanical systems, ventilation and design-and-build services. Supports construction projects from CAD design and planning…
Sells B2B to housebuilders, property developers and main contractors needing building services support for construction projects, particularly residential developments across London and the South of…
Financial Health
StableStable · -64% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial 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
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 4 filingsProvides mechanical and electrical engineering services for commercial and domestic buildings, including installation and maintenance of HVAC, air conditioning, refrigeration, ventilation, pipework…
Serves businesses, public-sector and education estates, and homeowners across London and the Home Counties, including commercial property, heritage sites, data centres, hospitality, rail and…
Financial Health
StrongStrong · Hiring · 91% CAGR over 3y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides electrical engineering and contracting services, including electrical installations, maintenance, design and build projects, and testing and inspection. Works on new builds, refurbishments,…
Sells primarily to businesses in the retail and leisure sectors, including high street brands, hotels, restaurants, sports and education venues, and commercial or light industrial premises needing…
Financial Health
HealthyHealthy · -3% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides building services engineering consultancy and contracting, including MEP project management, electrical and mechanical design, commissioning management, plant replacement, installation, and…
Serves B2B construction and building-services buyers, including main contractors, consultants, facilities managers and end users. Targets organisations delivering complex construction and…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides electrical, mechanical, and plumbing services including industrial, commercial, residential and marine electrical installations, heating and ventilation systems, gas and plumbing work,…
Serves local government bodies, schools, sports and civic facilities, private developers, defence organisations, builders, contractors, industrial and commercial businesses, plus domestic homeowners…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsDesigns, supplies, installs and maintains industrial climate control and ventilation systems. Provides HVAC engineering, odour control systems for wastewater and energy-from-waste facilities,…
Serves B2B industrial and commercial organisations, especially wastewater and energy-from-waste facilities, as well as sites requiring specialist HVAC, ventilation, odour control and maintenance…
Financial Health
StrongStrong · Growing, Hiring · 53% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides facilities maintenance and building services engineering, including mechanical and electrical installations, HVAC, plumbing, air conditioning and refrigeration, electrical testing, and…
Serves commercial property owners, facilities managers and organisations in leisure, financial services, healthcare, retail and industrial sectors that manage building sites or estates.
Financial Health
StableStable · -15% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides installation, maintenance and repair of air conditioning, refrigeration and heating systems for commercial clients. Also supplies commercial refrigeration cabinets and services heat pumps,…
Serves businesses across the UK and beyond, including premises operators, retailers, hospitality and foodservice organisations, and other commercial clients with heating, cooling, refrigeration and…
Financial Health
StableStable · Hiring · 6% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides electrical and mechanical engineering services for construction projects, including system design, installation and maintenance. Works on heating systems, mechanical ventilation, heat…
Serves construction project clients across commercial, education, energy, healthcare, hotel and leisure, heritage, religious, residential and retail sectors, including developers, contractors and…
Financial Health
StableStable · 0% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides mechanical engineering services including installation, refurbishment and maintenance of commercial and industrial boiler, heating and piped systems. Also carries out HVAC and air…
Serves commercial and industrial customers needing boiler, heating and piped-system support, including facilities managing plant and mechanical systems. Also works with insurance companies on…
Financial Health
StableStable · 2% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides electrical and mechanical installation and maintenance services for commercial, industrial and residential sites, including LV and HV electrical systems, emergency lighting, lightning…
Serves facilities management companies and clients in industrial, retail, commercial, construction and residential sectors across the UK.
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 2 filingsProvides mechanical and electrical building services including installation and maintenance of air conditioning, ventilation, heating and electrical systems. Acts as an MEP contractor for commercial,…
Serves construction contractors, commercial, industrial and retail clients, plus residential homeowners seeking project support or domestic installations in Essex.
Financial Health
StableStable · 0% CAGR over 1y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical contracting services for commercial and residential construction projects, including plumbing and drainage installation, heating and ventilation systems, air…
Serves main contractors, developers and commercial property clients on London-area office, retail, fitness, research and studio projects, plus high-end residential new-build flats and mixed-use…
Financial Health
HealthyHealthy · Hiring · 41% CAGR over 2y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides electrical installation and testing, mechanical and HVAC services, plumbing, and facilities maintenance. Also carries out interior fit‑out projects including partitioning, ceilings,…
Serves B2B industrial and commercial customers, especially local businesses in and around Peterborough and Cambridgeshire, plus organisations outside the region with facilities and engineering…
Financial Health
HealthyHealthy · Growing, Hiring · 8% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides electrical, mechanical and plumbing services for construction projects, including system design, installation and maintenance. Works on new build and refurbishment schemes for residential…
Sells to main building contractors, commercial businesses and private clients needing electrical, mechanical and plumbing work, particularly for new-build and refurbishment projects on commercial and…
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides installation and mechanical building services for heating, ventilation and air conditioning (HVAC) systems. Works on commercial, industrial and large residential projects, including offices,…
Serves commercial, industrial and large-scale residential clients, including offices, hotels, restaurants, schools, nightclubs, retail units, distribution centres, factories, student accommodation…
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
Location
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
Unlock all 114 leads
Showing 50 of 114 — +64 more with verified decision-maker contacts, live data, and CRM sync.
How All in One SEO usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. 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.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling. M&E contracting companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of M&E contracting companies with a detectable system — not of all UK companies.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
All in One SEO is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
UK M&E Contracting by SEO
Other M&E Contracting technology
Related directories
Frequently asked questions
How many UK M&E contracting companies use All in One SEO?
What share of UK M&E contracting companies run All in One SEO?
How is All in One SEO usage detected?
What size M&E contracting companies use All in One SEO in the UK?
What do All in One SEO-running M&E contracting companies also run?
Can I get contact details for these companies?
Search 114 UK companies by the SEO technology they run.
Find the right decision-makers, see verified company data, and export your list in seconds.