TrustMark accredited construction companies

1519 UK construction companies displaying TrustMark on their website.

• H Heat Smart Ltd Stanford-Le-Hope · Solar PV

  MCS, NICEIC & Gas Safe certified installers of solar panels, air source heat pumps, EV chargers and boilers across the UK. Free quotes, 0% VAT, 25-yea

• E Evigo London · EV charging

  Evigo are OZEV-authorised EV-charger installers and NICEIC-approved electricians serving London and the Home Counties. Transparent pricing, friendly e

• G Gower Renewables Ltd Swansea · Solar PV

  Gower Renewables is an MCS certified installer of solar PV systems, battery storage, and EV chargers in Swansea and South Wales, serving domestic and

• O Oakwood Collective Stowmarket · Main contractor

  Oakwood Collective are Suffolk principle contractors delivering bespoke house extensions, renovations, new builds, kitchens, bathrooms & commercial bu

• T Task Energy Ltd Manchester · Heating & ventilation

  Partner with TaskEnergy for safe, efficient and future-ready homes. We provide heating, maintenance and full decarbonisation solutions across the UK.

• W White Shadow Ltd Hove · Electrical

  White Shadow Electrical are domestic and commercial electrical contractors based in Brighton and Hove, specialising in high-end installations. They of

• F First Landlord Certificates London London · Electrical · 1-9 employees

  Book landlord certificates and request electrical services across London. EICR, EPC, CP12, fire safety, PAT, HMO and electrical work from First Landlo

• I INSULATION SPECIALISTS LTD London · Insulation

  Insulation Specialists Ltd offers expert insulation services, focusing on renewable and environmentally friendly energy sources to create comfortable

• B Bright Electrical Solutions Ltd Harlow · Electrical

  Expert electrical solutions for domestic and commercial clients in Essex and surrounding areas. Offering 24/7 emergency call-outs, rewiring, fuse boar

• P Pegrum Electrical Ltd Billericay · Electrical

  24 Hour Electricians based in Maldon, NAPIT Accredited Team with 25+ Years Experience. Serving domestic, commercial, and industrial properties.

• C Complete Solar Energy Ltd London · Solar PV · 1-9 employees

  Discover Complete Solar Energy Ltd in Romford. 10 years of experience. 2,000+ installations. Delivering expert solar solutions for homes and businesse

• B Bsm Energy Ltd Cleckheaton · Insulation

  BSM Energy offers comprehensive retrofit solutions for UK homes, including assessments, coordination, and installation to improve energy efficiency an

• K Kz Electrical Ltd Whitehaven · Electrical

  Professional electricians in Whitehaven and Cumberland providing all aspects of electrical services. With 10+ years of experience, we offer quality, p

• T The Specialist Electrical Group Ltd Hemel Hempstead · Electrical

  Reliable & certified electricians offering professional electrical services across Hertfordshire. Fast, safe, and affordable solutions for homes and b

• C Clean Energy 4 You Blackburn · Heating & ventilation

  Clean Energy 4 You provides energy-saving home improvements through government-backed schemes like the ECO Scheme. They offer support for insulation,

• T The Loft Genie Fareham · Loft conversions

  Loft Genie specialises in transforming unused lofts into safe, accessible storage spaces with BBA-approved loft boarding, insulation, hatches, and lad

• C Cool White Electrical Ltd Oldham · Electrical

  NAPIT qualified electricians in Oldham. Commercial and domestic electrical services across Greater Manchester. Free quotes available.

• S SmartOhm Leeds · Electrical

  SmartOhm are approved Electricians in Leeds, offering a full range of domestic or commercial repairs and smart home installations in Armley.

• H Hoxha Unity Electrics Ltd Romford · Electrical

  Hoxha Unity Electrics LTD: Where Safety Meets Innovation And Trust. We power every partnership with bold ideas and trusted expertise, driven by a rele

• B Buildsmith Property Services Ltd Christchurch · Refurbishment

  Professional Dorset property maintenance, refurbishments, and specialist trades. Serving Bournemouth, Poole & Christchurch. Contact us today for relia

• E Efficient Utility Solutions Ltd Houghton Le Spring · Heating & ventilation

  Efficient Utility Solutions Ltd offers free boiler replacement, full gas central heating, electric storage heater upgrades, and insulation services un

• I Infinite Energy Kings Hill · Solar PV

  Solar panel, battery and EV charger installation across Kent, Greater London and East Sussex. Free survey, honest forecasts, no on-the-spot quotes.

• P Presurv Energy Ltd London · Solar PV

  Presurv Energy Ltd offers EPC services, grant funding for property improvements like solar PV, heat pumps, and solid wall insulation, helping homeowne

• F Fb Builders Ltd Saltburn-By-The-Sea · Refurbishment

  Specialists in independent living solutions across Stockton, North Yorkshire, and the North East by FB Builders Ltd. Creating accessible and adaptive

• H Hyde Electrical Solutions Ltd Hyde · Electrical

  Hyde Electrical Solutions are experienced electricians serving Cheshire and Lancashire, trusted by homeowners, landlords and businesses. Offering expe

• Z Zinc Electrical Ltd York · Solar PV

  York's local solar specialists. MCS-certified solar panel, battery storage & EV charger installations across York, Harrogate, Leeds & North Yorkshire.

• H Heat Pump Installer Directory London · Heating & ventilation

  Find and compare MCS certified heat pump installers near you. Claim the £7,500 Boiler Upgrade Scheme grant. Free quotes from trusted UK installers.

• R Renewable Future Wales Whitland · Solar PV

  MCS certified renewable energy installer in West Wales. Solar panels, heat pumps, battery storage & EV charging. Up to £9,000 BUS grant for oil/LPG ho

• R Revive Eco Energy Ltd Hollinwood, Oldham · Insulation

  Revive Eco Energy provides free energy upgrades for eligible households, including loft insulation, cavity wall insulation, and boiler replacement thr

• H Holmes Electrical Limited Worksop · Solar PV

  Fully Accredited & Certified Renewable Energy Installers of Solar Panels, Battery Storage, EV Chargers & Air Source Heat Pumps in Worksop.

• C Certified Renewables Harrow · Solar PV

  MCS, Which? & RECC-certified solar panels, heat pumps & battery storage in Harrow. Boiler Upgrade Scheme approved. Finance available. Get a free quote

• M M. Curtis Building Banbury · Main contractor · 1-9 employees

  Professional builders in Brackley, Northants. M Curtis Building deliver high-quality building services including extensions and renovations across Bra

• V VYSTRA GROUP LIMITED London · Refurbishment

  Vystra Group: one accountable partner for whole-house retrofit. PAS 2035 assessment, coordination and design, EPCs, air permeability testing and lodge

• S SUN KEY ENERGY LTD Folkestone · Solar PV

  Expert solar panel installation, battery storage, EV chargers, and electrical services across Kent. Save money, reduce your carbon footprint, and achi

• C Certified Compliance Ltd Huddersfield · Electrical

  Certified Compliance offers UK-wide electrical compliance services: EICR, PAT, ATEX inspections, fire safety checks, and more by qualified electrician

• N Northwest EV Chargers Preston · EV charging

  NAPIT registered EV charging point installers in Northwest England. Offering Ohme home chargers from £899 fully installed with 72-hour installation an

• A All Time Construction Ltd Dartford · Extensions

  All Time Construction Ltd offers extensions, kitchens, EV charger installations, and full home renovations across Kent, London, Surrey, and Essex. Fix

• E Eco First Group Ltd London · Solar PV

  Eco First Group Ltd, based in London, offers MCS-accredited solar panel installations for homes and businesses, alongside EV chargers and a specialist

• B Bcs Electrics Contracting Ltd Leeds · Electrical

  BCS Electrics is a full-service electrical contracting company based in Leeds, providing installation and maintenance for businesses across Yorkshire

• C Chester Sparks Electrical Services Ltd Wrexham · Electrical

  Chester Sparks Electrical Services Ltd: Trusted UK-wide electrical contractor specialising in industrial, commercial, and domestic work. Safe installa

• O Overton Fire & Security Ltd Mansfield · Security systems

  Overton Fire and Security Services provide a complete spectrum of fire and security services to domestic, commercial and industrial customers.

• M Mj Electrical (Sw) Ltd Ivybridge · Electrical

  Qualified electricians in Ivybridge & Devon. From rewires to EV charging points, serving homes and businesses across Plymouth, Devon & Cornwall since

• T Taylors Electrical Newcastle Upon Tyne · Electrical

  Taylors Electrical is a family-run business based in Newcastle upon Tyne, offering a wide range of electrical services for domestic, commercial, and i

• S Solar EV North Cramlington · Solar PV

  Solar EV North provides premium solar, battery storage, and EV charging systems, designed and installed by their in-house team across the North East.

• S Sirius Solar Installations Ltd Doncaster · Solar PV

  Doncaster-based Sirius Solar Energy Installations Ltd provide solar panels, battery storage & EV chargers across the UK. Quality, fast quotes & expert

• B BRIGHTDAY ELECTRICAL LIMITED Newmarket · Electrical

  Electrician services in Cambridgeshire. Specialising in installations, fault finding, inspection and testing, and emergency calls for domestic, commer

• C Crocelectrical Ltd Stevenage · Electrical

  NAPIT registered electricians in Hertfordshire & North London. Domestic, commercial, EV charging, lighting and testing. Call 07356 214485.

• Q Quantum Renewables Ltd Bridgend · Solar PV

  Quantum Renewables Ltd are solar panel and battery installers servicing South Wales. Book a Free home or online survey to see how much you can save.

• D Direct Green Power Ltd South Croydon · Solar PV

  Direct Green Power provides commercial solar panels, off-grid solar systems, battery storage packages, and residential solar panel installations acros

• U Urban Crest Homes Ltd Gravesend · Extensions · 1-9 employees

  Urban Crest Homes Ltd delivers certified home extensions in Gravesend, backed by 10 years' experience and professional expert advice. Offering a 10-ye