TrustMark accredited construction companies

1519 UK construction companies displaying TrustMark on their website.

• T Total Build Developers London · Refurbishment · 1-9 employees

  London-based construction company specialising in domestic and commercial buildings, offering loft conversions, extensions, refurbishments, and more.

• E Electricco Ltd North Shields · Electrical

  ElectricCo Ltd. delivers expert electrical services with a commitment to safety, excellence, and customer satisfaction. Fully qualified, experienced,

• T THD Windows & Doors Hull · Windows & doors

  Total Home Developments Ltd specialises in supplying and installing uPVC windows, composite doors, and electric roller garage doors across Hull and Ea

• R R.L.Jeffery Building Contractor Ltd Axminster · Main contractor · 1-9 employees

  R L Jeffery Building Contractors Ltd offers property maintenance and building services in Crewkerne and surrounding areas. With over 40 years of exper

• Z Zero Carbon Group Ltd Manchester · Insulation

  Multi-service energy efficiency and renewable energy solution provider, delivering insulation, low-carbon heating, solar PV and EV charging for whole-

• G Gechnology Limited Dunstable · Solar PV

  Gechnology Limited are certified installers of SolarEdge and Tesla Energy solar panel, battery storage, and EV charging solutions. Over 13 years exper

• R Retrofit & Coordination Ltd Norwich · Refurbishment · 1-9 employees

  Retrofit Coordination and Assessment services to navigate PAS2035 compliance, government grants, and domestic retrofit projects. Ensuring energy effic

• E Electricom Systems Eckington · Electrical

  Electricom Systems provides comprehensive electrical, security, automation, and fire safety services for domestic, commercial, and industrial premises

• H Holicon Energy Ltd Spalding · Solar PV · 1-9 employees

  Holicon Energy is a Renewable Energy installation company based in the East Midlands, specialising in solar panels, battery storage, and EV chargers.

• L Love to Save Energy Kenilworth · Insulation · 10-49 employees

  Love to Save Energy offer FREE home improvements, including FREE boilers and insulation. We unlock funding you're entitled to and manage the entire in

• L L & M Electrical Solutions Ltd Horbury · Electrical

  L&M Electrical Solutions offers professional and affordable domestic, industrial, and commercial electrical services in West Yorkshire and across the

• D Dobuilding Ltd Mitcham · Refurbishment · 1-9 employees

  DoBuilding Ltd offers home renovation and improvement services, specializing in kitchens, bathrooms, and wet rooms, including structural alterations.

• M Morlan Building Contractors Ltd Colchester · Main contractor

  Morlan Building Contractors Ltd is a family-run building contractor based in Little Bentley, Essex, serving Essex and Suffolk. They offer new builds,

• W WINN Electrical Services Morpeth · Electrical

  WINN Electrical Services provides professional electrical services for residential, commercial, and industrial clients in Morpeth, Northumberland, and

• W Windsor Kitchen & Bathrooms Littlehampton · Kitchen fitting · 1-9 employees

  Windsors for Building Services incl Kitchens, Bathrooms and Bedrooms. Also Electrical, Plumbing and Plastering services. Based in Rustington, we cover

• P Peter Prouse Ltd Holsworthy · Main contractor · 1-9 employees

  Peter Prouse Construction is a family-run building contractor serving Devon, Cornwall and beyond. Specialising in new builds, renovations, extensions

• P PRO-TECH MAINTENANCE LTD Cardiff · Electrical

  Pro-tech Maintenance offers expert Electrical Maintenance services in Cardiff. Fully qualified, insured, and certified by NAPIT, we provide profession

• E Easylec Electrical Contractors Ltd Brighton · Electrical

  EASYLEC Electrical Contractors: Domestic, Commercial & Industrial electrical services across the South East. Offering rewires, testing, CCTV, fire ala

• S Storm Gas Bridgwater · Heating & ventilation

  Storm Gas is a local Plumbing & Heating company in Bridgwater, Somerset, offering boiler installation, heat pumps, and air conditioning. Finance optio

• 3 360 DEGREE RENOVATIONS Wallington · Loft conversions · 1-9 employees

  360 Degree Renovations offers a comprehensive range of building services including loft conversions, house extensions, kitchen and bathroom fitting, a

• P ProStar Energy Bournemouth · Solar PV

  ProStar Energy is a leading UK solar panel installer for residential and commercial properties, offering bespoke design, installation, and maintenance

• M MASTERFITTER WINDOWS Llandysul · Windows & doors

  MasterFitter Windows are award-winning installers of high-quality windows, doors, and glazed extensions across the UK. Known for attention to detail a

• T Thame Builders Ltd Thame · Main contractor · 1-9 employees

  Thame Builders is a local, professional building company serving Thame, Oxfordshire, and Buckinghamshire. We specialise in home extensions, renovation

• N Nwe Solutions Ltd Worcester · Electrical

  NWE Solutions are NAPIT accredited electricians in Worcester, offering reliable and affordable electrical installation, inspection, and testing for re

• T Tailored Air Stafford · Heating & ventilation

  Commercial HVAC specialists designing, installing, servicing and maintaining air conditioning, heating and ventilation systems across the UK.

• F Future Power Team Leeds · Solar PV

  MCS & NAPIT certified Yorkshire solar & battery installers since 2019. From £5,995 fully installed. 900+ installs, 4.8★ Google reviews.

• F Fused Electrical (Chester) Ltd Chester · Electrical

  Fused Electrical provides a full range of electrical services including repairs, maintenance, full installations and testing. Commercial and domestic

• R Refurbishment Specialist London · Refurbishment

  C Shambi Builders Ltd, trading as Refurbishment Specialist, offers expert refurbishment, extension, and carpentry services across London and Home Coun

• Y Yorkshire Humber Construction Ltd Hull · Main contractor · 1-9 employees

  Yorkshire Humber Construction Ltd offers expert property improvements in Hull, including extensions, loft conversions, patios, driveways, and more.

• C Cornerstone Roofing Ltd Hove · Roofing

  Cornerstone Roofing Ltd: trusted roofing solutions in Mid Sussex. Offering flat roofs, pitched roofs, repairs, replacements, chimney repair, guttering

• S Salmon Building Ltd London · Refurbishment

  Salmon Building Ltd offers high-quality refurbishment and renovation services, specializing in home offices, carpentry, and finishing work. Serving Lo

• I Infinite Renewable Energy Ltd Lichfield · Solar PV

  Infinite Renewable Energy offers tailored renewable energy solutions in the West Midlands for domestic and commercial clients. Go green with our servi

• D Dave Electrical Services Ltd Hounslow · Electrical

  NAPIT registered electricians covering all areas within the M25 and beyond. Domestic, commercial & industrial installation, testing, PAT testing and 2

• H Hull Power Ltd Hull · Electrical

  Hull Power Ltd are your local electricians covering Hull and East Yorkshire. Highly recommended, 5* reviews and fully insured Hull Electricians. Napit

• W Wells Crs Ltd Middlesbrough · Refurbishment · 1-9 employees

  Wells CRS LTD specialises in commercial refurbishments all over the UK. We are a proud Teesside business that serves the North-East and the rest of th

• J Jd Carter Ltd Peterborough · Electrical

  JD Carter Ltd is a family-run, NICEIC-approved electrical contractor in Peterborough with over 25 years of experience. Specialising in building and el

• S Solid Electrical South Croydon · Solar PV

  MCS-certified solar panel & battery storage installs across London, Surrey, Sussex & Kent. 20+ years experience. Cut energy bills 40-90%. 0% VAT until

• K KOOKA DEVELOPMENTS LTD Wellingborough · Insulation · 10-49 employees

  Kooka Developments Ltd: Industry leaders in energy-efficient insulation and render solutions. Specialising in External Wall Insulation (EWI), Cavity W

• B Baskett Electrical Ltd Ipswich · Solar PV

  Baskett Electrical Ltd: Ipswich's trusted experts for renewable energy solutions. Specialising in solar panels, EV charging, and battery storage. Accr

• E Everyone'S Energy UK Ltd Hertford · Solar PV

  Everyone's Energy provides renewable, clean and green energy-saving solutions including solar panel installation, battery storage & EV charger install

• S Smartstone Energy Solutions Ltd London · Insulation

  SmartStone cuts through funding complexities to deliver trusted & certified energy solutions for residential, commercial & public sectors.

• C Christou Electrics Ltd Alton · Electrical

  Christou Electrics Ltd provides comprehensive electrical services for domestic, commercial, and industrial clients, specializing in water treatment an

• S Slater Plumbing & Heating Newcastle · Plumbing

  Expert, Midlands-based plumbing and heating services with over 50 years of experience. Offering reliable, fast service with no hidden fees and a price

• A A Edwards Roofing Ltd Newport · Roofing

  A trusted roofing specialist in Newport with 18 years of experience. We provide high-quality roof repairs, tiling, and complete roofing services for h

• M MyConstructor London · Electrical

  MyConstructor offers a nationwide network of qualified professionals for domestic EPCs, EICRs, PAT testing, and other property services. Get instant q

• D Dea Electrical Ltd Ludgershall · Electrical

  DEA Electrical Ltd offers bespoke and tailored electrical services across the UK, with over 20 years of industry knowledge. Experts in the south of th

• E E.R Electrical Services Ltd. Gloucester · Electrical

  Professional electrical installations, repairs, replacements & upgrades for households & businesses in Cheltenham, Gloucester & surrounding areas. NIC

• E Elite Energy Eco Ltd Stockton-On-Tees · Solar PV

  Certified home energy upgrades across Teesside and the North East, including solar, heat pumps, boilers, insulation, batteries and EV chargers.

• S S M Electrical Contractors Ltd Ipswich · Electrical

  MCS accredited, NICEIC approved solar panel installers and electricians for homes and businesses in Ipswich, Suffolk. Offering solar PV, battery stora

• E Electriage Ltd Bristol · Electrical

  Based in Bristol, Electriage is a fully-insured, NICEIC-approved electrical contractor with over 30 years of experience in electrical installations, i