TrustMark accredited construction companies

1519 UK construction companies displaying TrustMark on their website.

• C Connected Electrical Ltd Southampton · Electrical

  Connected Electrical Ltd are domestic and commercial electrical contractors based in Southampton, servicing Hampshire.

• S South Thames Roofing Ltd Epsom · Roofing

  Specialist roofing contractors for tiling, fascias and soffits, guttering and chimney repairs in South London.

• S Solar Panels Cambs Ltd St. Neots · Solar PV

  Solar Panels Cambs Ltd offers solar panel and battery storage system installations for homes and businesses, with over 14 years of experience. They pr

• L Lacey Plumbing & Heating Ramsbottom · Plumbing · 1-9 employees

  20 Years Supporting Homeowners, Commercial Projects and Facilities Teams. Fast, reliable plumbing & heating services in Greater Manchester.

• A Ashdale Construction Ltd Bolton · House builder · 1-9 employees

  Ashdale Construction is a family-run building business with over 25 years of experience, specialising in all types of home-building and construction w

• A Albany Windows Ltd Cheltenham · Windows & doors

  Specialist installers of quality uPVC & aluminium double & triple glazed windows, doors & conservatories in Cheltenham, Gloucestershire & the West Cou

• T Tosons Electrical Manchester · Electrical

  Tosons Electrical Services is a NAPIT Approved Contractor based in Manchester, offering a wide range of domestic and commercial electrical installatio

• A All Points Electrical Services Ltd Scarborough · Electrical

  Experienced electricians in Scarborough All Points Electrical Services Ltd is one of the most reliable electrical services companies covering North Yo

• O Olympus Property Group Ltd London · House builder · 1-9 employees

  Olympus Property Group offers expert residential construction and surveying services in Hampshire, including new builds, renovations, loft conversions

• B Bosston Builders Bromley · Refurbishment · 1-9 employees

  Professional building, renovation, loft conversion services in London, Kent and more, Bosston Ltd delivers quality results and a personal approach. Co

• G Go Renewable Energy Ltd Weston-Super-Mare · Solar PV

  Go Renewable Energy Ltd specialises in solar PV, heat pumps, EV charging, air conditioning, and electrical services for residential and commercial cli

• M Multi-Therm Insulations Sheffield · Insulation

  Multi-Therm Insulations: Family-owned specialists in cavity wall insulation, enhancing comfort and reducing energy usage for homes. Get a quick estima

• P PRESERVA CSS Derby · Damp proofing · 10-49 employees

  Reliable property preservation experts in Derby, UK, from PRESERVA. Trusted solutions for woodworm, damp and structural issues.

• D Dampworks Ltd New Addington · Damp proofing

  DampWorks Ltd offers expert rising damp, condensation & black mould treatment in SE London & Kent. Specialists in damp, mould, rot, and woodworm.

• E ELECTROTEC POWER SOLUTIONS LIMITED Crawley · Solar PV

  MCS-certified solar panels, battery storage, EV charging & insulation in Crawley, Sussex & Surrey. 2,000+ installs. Free quote from your local install

• J JC London Construction London · Main contractor

  JC London Construction delivers high-quality services from conception to completion for major renovations and small jobs. They assist with planning ap

• J J Kirby Electrical Ltd Eastbourne · Electrical

  J Kirby Electrical are professional, reliable and trusted electricians in Eastbourne, offering outstanding service and superior quality electrical sol

• K Knoetze Ltd Horley · Refurbishment · 1-9 employees

  Knoetze Ltd is a specialist in complex damage repair in London and the Home Counties, providing expert construction repair solutions for domestic and

• A Ashford Conservatories Ltd New Romney · Extensions

  Ashford Conservatories are your local conservatory installers & consultants, offering bespoke conservatories, orangeries, and glass extensions. With o

• I Iwe Services Ltd Scarborough · Solar PV · 10-49 employees

  Renewable electrical solutions specialists providing solar PV, heat pumps, battery storage, EV chargers and electrical services across North Yorkshire

• E Eden Facades Ltd Romford · Cladding

  Eden Facades is a facade solutions expert, delivering high quality work for contractors and developers across London and the South East.

• P Plug Me In (Solar) Ltd Manchester · Solar PV · 10-49 employees

  Commercial solar, battery storage and EV charging solutions for UK businesses. Fully funded options available. National coverage.

• J JWS Home Improvements Birmingham · Windows & doors · 1-9 employees

  JWS Home Improvements are specialists in double and triple glazing, windows, doors, conservatories and roof systems. Based in St Helens, operating thr

• S Solar Power Provider Holywell · Solar PV

  TrustMark & MCS certified solar & energy storage experts with over a decade of experience. Midlands, Wales, & North West domestic & commercial solar p

• K Kidderminster Roofing Contracts Ltd Kidderminster · Roofing · 1-9 employees

  Kidderminster Roofing LTD. a Trusted Roofing Contractor, Operating in Kidderminster and surrounding areas for over 40 years.

• S Solar Air (UK) Ltd Whitstable · Solar PV

  Solar Air UK is a family-run business specializing in renewable energy solutions like solar PV, heat pumps, and biomass heating for homeowners, landlo

• G Greenoak Concept & Design Basildon · Glazing · 1-9 employees

  Greenoak Concept & Design Ltd are Essex-based specialists in high-quality double glazing, conservatory roofs, doors, wall cladding, and guttering. Wit

• R Reeves Electrical Ltd Corsham · Electrical

  Reeves Electrical are an electrician in Corsham providing domestic and commercial electrical services to Corsham, Chippenham & across Wiltshire.

• P Pts Compliance Ltd Eastleigh · Electrical

  PTS Compliance offers nationwide PAT testing, EICRs, fire extinguisher servicing, emergency lighting inspections, and fire alarm maintenance for busin

• P Pyramid Eco London · Insulation · 10-49 employees

  Upgrade your property with expert retrofitting. Cosier, greener homes with minimal disruption. Check your funding options!

• B Bradley Scott Electrical Services Basildon · Electrical

  Expert electricians in London, Essex & Kent offering electrical installation, design, testing & maintenance services. 24/7 emergency availability.

• C Chiltern Solar Ltd Witney · Solar PV

  Expert solar and battery energy storage solutions for homes and businesses across southern England. Dedicated to sustainability and customer savings.

• A Aldridge Electrical Ltd Tipton · Electrical

  Aldridge Electrical is a fully accredited Electrical contractor providing design, installation, and maintenance services for commercial, retail, and i

• D D Smith Constructions Ltd Hayes · Extensions · 1-9 employees

  D Smith Constructions Ltd are a local family business specialising in Loft Conversions, Home Extensions and Velux services. FMB and Trustmark Members.

• K KCS ELECTRICS LTD London · Electrical

  NICEIC approved electricians and Gas Safe engineers in London. We provide electrical installations, EICRs, and landlord safety certificates. Book a se

• E Electric Tech Ltd London · Electrical · 1-9 employees

  Professional electrical contractors in Ealing, London. Established for 10 years, providing quality electrical installations and repairs for residentia

• G Greenfuture Energy Ltd Saxmundham · Solar PV · 10-49 employees

  Greenfuture Energy provides comprehensive green energy solutions and construction services across Suffolk and East Anglia, specialising in solar PV, E

• M Mark Robbins Improvements Ltd Street · Windows & doors · 1-9 employees

  Mark Robbins Improvements Ltd offers a wide range of windows, doors, and conservatories in uPVC, aluminium, and timber. With over 40 years of experien

• F Feed It Green Ltd Liverpool · Solar PV

  Award winning renewable energy company, providing solar panels, battery technology, EV charging points and LED lighting in Liverpool and across the No

• S SGE-Services Ltd Redhill · Electrical

  NICEIC Approved Electrical Contractors delivering commercial, new build and maintenance services across London and the Southeast. Fast response, compe

• I Infinity Energy Services Ltd Southampton · Solar PV

  Infinity Energy Services supply and install renewable energy solutions to both residential and commercial customers in the south.

• R R Telfer Electrical Ltd. Wooler · Electrical

  A growing family run electrical contracting business based in Wooler, North Northumberland, serving North East England and the Scottish Borders.

• X Xpert Energy Installations Ltd Leatherhead · Heating & ventilation · 10-49 employees

  Renewable energy solutions including heat pumps, ventilation & heat recovery, and underfloor heating. Design, installation and maintenance.

• N NOVA RENEWABLES LIMITED Eastbourne · Solar PV

  Nova Renewables Ltd are renewable energy installers providing services for customers in Kent and East Sussex. Call us to request a quote.

• W Wired And Wonderful (UK) Ltd Earlsfield · Electrical

  Local electrician and Solar Installation in Wandsworth. A small, friendly, family run electrical service including garden lighting with a reputation f

• A Ashe Electrical Ltd Middlesbrough · Electrical

  Ashe Electrical are fully qualified & certified electricians based in Middlesbrough, offering professional, affordable electrical services for domesti

• L Lindrick Electrical Ltd Worksop · Electrical

  Worksop Electricians - Lindrick Electrical Services provide electrical installations & lighting solutions / design to domestic & commercial customers

• C City Energy Llanishen · Heating & ventilation · 50-249 employees

  City Energy offers accredited courses for the renewable energy sector, including heat pumps, Solar PV, and EV Chargers. Providing quality services sin

• D Dorma Construction Bridgend Ltd Porthcawl · Design & build · 1-9 employees

  Dorma Construction Bridgend Ltd transforms properties in South Wales, offering architectural design, structural calculations, construction, and site c

• S Skylight Services (UK) Ltd Reigate · Roofing

  Skylight Services provide TrustMark-accredited Velux engineers, to install, repair or service your Velux roof window, skylights & rooflights in London