TrustMark accredited construction companies

1519 UK construction companies displaying TrustMark on their website.

• E Electrisafe (Dorset) Ltd Bournemouth · Electrical

  Local, reliable and trustworthy electricians in Bournemouth. Offering a comprehensive range of electrical services for homes and businesses. Qualified

• S Sjd Electrical Services (Cumbria) Ltd Carlisle · Electrical

  NAPIT Approved Electricians in Carlisle & Cumbria. Specialists in solar power, off-grid power, battery storage, EV chargers, and full rewires for home

• N Nwr Electrical Ltd Stourbridge · Electrical

  Midlands based electrical contracting company with over 35 years of experience. Specialising in commercial, industrial, and BMS control wiring.

• C Contact Solar Preston · Solar PV · 50-249 employees

  Contact Solar is a national specialist in Solar Panels and Battery Storage for homes and businesses across the UK. Offering expert advice, tailored so

• C Collings Electrical Ltd St. Albans · Electrical

  Collings Electrical Ltd offer Bespoke and Innovative Electrical Design and Installation to Commercial, Industrial and Residential Clients.

• H Henman Dunn Ripley · Plumbing · 10-49 employees

  Henman Dunn: Trusted plumbing, heating, and renewable energy specialists in Derbyshire. Gas Safe registered. Domestic and commercial services.

• E Eco Mirage - Residential Gloucester · Solar PV

  Discover the best solar panel & battery storage solutions in Gloucestershire. Eco Mirage - Residential offers 15+ years of expertise. Book your free c

• P Paul Mayer Electrical Worthing · Electrical

  Paul Mayer Electrical are commercial and industrial electricians in Sussex & Hampshire. Electricians for offices, factories, landlords, shops, hotels,

• R RJM Insulation Uxbridge · Insulation · 1-9 employees

  RJM Insulation is a West London-based company specializing in insulation, heating, and renewable energy solutions. They offer services like loft, cavi

• S Schore Ltd Basildon · Fit-out & interiors · 1-9 employees

  Schore Limited is a specialised housing contractor delivering domestic and commercial building solutions in London and surrounding areas. Founded in 2

• O Owain Pritchard Ltd Wrexham · Security systems

  Owain Pritchard is a multi-discipline business in Wrexham, North Wales, offering quality service and craftsmanship across domestic, commercial, and in

• A Avery Landscapes Ltd Worcester · Landscaping

  Avery Landscapes Ltd specialises in creating beautiful outdoor spaces for residential and commercial properties, transforming gardens into exceptional

• I Inspire Contract Services Ltd Canterbury · Roofing · 10-49 employees

  Award-winning contractor delivering specialist roofing, waterproofing and building services for public and private sector clients across the UK. Trust

• F Flamecare (Homeplan) Ltd Chesterfield · Heating & ventilation

  Complete peace of mind Low-Cost monthly heating system cover plans, covering Derbyshire, Nottinghamshire and South Yorkshire.

• U U&U Construction Ltd Borehamwood · Design & build · 1-9 employees

  UU Construction specialises in bespoke luxury home building and interior design across London and the Home Counties, offering a fully co-ordinated des

• G GEES Bradford · Heating & ventilation

  GEES offers a wide range of residential and commercial services including central heating, boiler installation, solar PV, insulation, and LED lighting

• A Asterisk Maintenance Ltd Birmingham · Bathroom fitting

  Asterisk Maintenance Ltd offers comprehensive building and maintenance services in Birmingham and the Midlands, specializing in bathrooms, kitchens, p

• J Jdm Earth Ltd Hartlepool · Solar PV

  Award-winning Teesside business installing Solar PV, Battery Storage & EV Charging across the North East & North Yorkshire. Committed to a sustainable

• T Tsl Electrical Ltd Gloucester · Electrical

  TSL Electrical Ltd is a Part P registered Electrical Contractor based in Gloucester with over 25 years of experience. We cover all aspects of domestic

• C Charleswood Property Developments Ltd York · Extensions · 1-9 employees

  Charleswood Property Developments is a quality building service provider, from general home improvements to extensions and loft conversions based in Y

• I Ian Jones Electrical Contractors Ltd Caersws · Electrical · 10-49 employees

  Electrical contractor in the Newtown, Llanidloes and Welshpool area of Powys. For all your home, domestic and commercial electrical needs.

• S Seed Electrical Services Ltd Bromborough · Electrical

  Seed Electrical offer electric vehicle charging solutions and LED lighting upgrades to comprehensive solar power installations, our services will help

• B BR Unwin Construction Cambridge · Extensions · 1-9 employees

  BR Unwin Construction are experienced builders and building contractors in the Cambridge area specialising in home extensions, conversions and renovat

• S South London Conversions London · Refurbishment · 1-9 employees

  South London Conversions: Experienced, reliable and recommended building firm for home renovations, extensions, loft conversions, and commercial refur

• J Jih Electrical Ltd Derbyshire · Electrical

  JIH Electrical are electrical contractors based in Belper, Derbyshire, providing domestic and commercial electrical services to the surrounding areas

• S Sensor Electrical Services Ltd St. Albans, · Electrical

  Experienced electrical contractors for commercial, residential, and EV charging needs. NICEIC Approved, TrustMark Registered, and OZEV Approved.

• L Lfg Electrical Ltd Stoke-On-Trent · Electrical

  NICEIC registered electrical contractor providing meticulous and reliable electrical contracting services for industrial, commercial, and domestic cli

• G GREEN PULSE ENERGY LIMITED Colchester · Solar PV

  Green Pulse Energy offers pioneering solar solutions and EV charging for businesses and homes across the UK, with over 20 years of experience.

• A Amber Heating Ltd Ilminster · Heating & ventilation

  Amber Heating - Renewable energy installations specialists based in Somerset covering Somerset, Devon, Wiltshire, Dorset, Devon

• C Counter Interiors York · Kitchen fitting · 1-9 employees

  Discover luxury bespoke kitchens and bedrooms in York. Award-winning designs, premium brands & a stunning showroom experience. Book your consultation

• R Renewable Force Ltd Sherborne · Heating & ventilation

  Renewable Force Ltd: Specialists in the Design, Installation and Commission of Renewable Energy Solutions. Based in Sherborne, Dorset.

• R Rygol Electrical Services Ltd Bristol · Electrical

  Rygol Electrical are a professional electrical contractor in Bristol. We provide exceptional electrical services in Bristol and across the southwest.

• W Woodfirm Interiors Ltd Walton On The Naze · Main contractor

  Woodfirm Interiors Ltd offers building, kitchen fitting, and bathroom fitting services in Clacton-on-Sea, Colchester, and surrounding areas. Establish

• D Db Builders Sussex Ltd Eastbourne · Extensions · 1-9 employees

  DB Builders Sussex Ltd offers a comprehensive building service for property extensions, refurbishments, kitchens, bathrooms, and landscaping. We manag

• T The Specialist Roofing Company Berkshire · Roofing

  Specialist roofing company in London, Surrey, Berkshire, and Sussex, offering VM Zinc, Rhian Zink, Prefa, Copper, Aluminium, GRP, Single Ply, and Gree

• D Delta Hv Ltd Polegate · Electrical · 10-49 employees

  Expert HV design, construction and maintenance across the UK. Safe, compliant electrical infrastructure from substations to testing and commissioning.

• E Eco Target London · Insulation · 10-49 employees

  Eco Target Ltd is a professional energy services company with over 15 years of collective experience in the energy industry, offering affordable energ

• T The Window Hub Bristol · Windows & doors

  Award-winning installer of premium double glazing, composite doors, bi-folds, and conservatory roofs across Bristol, Exeter, Cardiff, the South West a

• S SOLID RENEWABLES LIMITED Radlett · Solar PV

  Solid Renewables offers a complete renewable energy installation service, providing unbiased advice and high-quality installations for biomass boilers

• R Roofline Developments Ltd Sheffield · Roofing · 1-9 employees

  Roofline Developments Ltd is a Sheffield based roofing company providing domestic and industrial roofing services throughout South Yorkshire. We pride

• D Davies Daniel Refurbishments Ltd London · Refurbishment

  Davies Daniel offers high-quality restoration, refurbishment, maintenance, and property management services throughout London. Reformed in 2014, they

• G Gwp Electrical Ltd Colwyn Bay · Electrical

  GWP Electrical are leading electricians and electrical contractors in Rhyl, North Wales, specialising in Domestic and Commercial installation, testing

• D Diverse Contracting Ltd Portsmouth · Electrical

  Diverse Contracting are Electrical Contractors in Portsmouth, Hampshire. Family run business with over 25 years experience in commercial and property

• H Hudds Electrical Services Ltd Frome · Electrical

  Hudds Electrical Services offers commercial and industrial electrical engineering and maintenance, specializing in control systems, installations, and

• R Right Build Ltd Crawley · Main contractor · 10-49 employees

  Quality local builders in Crawley, West Sussex. Beyond new builds, Rightbuild Ltd specialize in refurbishments, conversions, & extensions.

• M Msb Property Services Ltd Plymouth · Plumbing · 10-49 employees

  MSB Property Services offers comprehensive property maintenance and repair solutions across Plymouth and St Austell, serving social housing and commer

• C Classic Stamford Ltd Halifax · Windows & doors

  Classic Stamford offers quality windows, doors, and kitchens in Stamford, providing expert double glazing, bespoke kitchens, and home improvements you

• S S Trott Electrical Services Ltd Plymouth · Electrical

  S Trott Electrical Services provides expert solar panel installation, EV charger installation, and a full range of professional electrical services in

• M Mass Foam Systems Poole · Insulation · 1-9 employees

  Mass Foam Systems are the UK's #1 certified HBS insulation contractors, offering spray foam insulation to save up to 50% on energy bills. BBA approved

• I Iheat Ltd Oswestry · Heating & ventilation · 1-9 employees

  Trusted heating engineers and renewable energy specialists based in Oswestry. iHeat Ltd provides expert boiler, plumbing and sustainable solutions acr