TrustMark accredited construction companies

1519 UK construction companies displaying TrustMark on their website.

• R Roofing (South East) Ltd Canterbury · Roofing · 1-9 employees

  Roofing South East Ltd are specialist roofing contractors serving Kent and surrounding counties. We offer a comprehensive range of roofing services fo

• C Cannon Preservation Ltd Colchester · Damp proofing

  Cannon Preservation Ltd offers specialist property and environmental services including damp proofing, woodworm treatment, basement waterproofing, and

• S Smart Energy Homes Cwmbran · Solar PV · 50-249 employees

  Smart Energy Homes provides energy-efficiency grants and affordable home-upgrade solutions to cut costs and reduce carbon footprints.

• E Ewi Specialist Ltd Hatfield · Insulation · 1-9 employees

  External Wall Insulation Specialist serving Hertfordshire & London. EWI Specialist delivers expert rendering, fast quotes and quality workmanship.

• H Hylands Homes Ltd Maldon · Extensions · 1-9 employees

  We help busy professionals and families in Essex transform their house into their dream home with beautiful extensions, finished on time and within bu

• S Surrey Roofing Service Ltd Shepperton · Roofing

  Surrey Roofing Service Ltd provides high-quality, competitive roofing services including new installations and roof repairs throughout Surrey and surr

• G Good Property Services Poole · Solar PV · 1-9 employees

  Award winning solar specialists in the South of England, installing renewable energy solutions including solar PV, solar thermal, and heat pumps. NAPI

• T THE DAMP SPECIALIST COMPANY Leatherhead · Damp proofing

  Independent damp surveyors across Surrey and London. We find the real cause of damp, timber and mould problems and give you a clear, honest report.

• C Cockshutt Windows Ltd Oswestry · Windows & doors

  Trusted double glazing specialists with 30+ years' experience. Quality windows, doors and roofing systems with free, no-obligation quotes. Cockshutt W

• A Afta Electrical Ltd Upminster · Electrical

  NAPIT & TrustMark registered specialists in Solar PV, Battery Storage, EV Charging, Consumer Unit Replacement and EICR. Premium installation across Es

• D DK Building (Liverpool) Limited Warrington · Refurbishment · 1-9 employees

  DK Building (Liverpool) Ltd offers comprehensive home renovation and refurbishment services across Liverpool and the North West. Specialising in exten

• E Eco-Lectrical Services Ltd Spalding · Electrical

  Friendly, professional electrical contractors providing domestic and commercial electrical services across Oxfordshire and surrounding areas. High-qua

• G Gas and Electrical Services Ltd Towcester · Plumbing · 1-9 employees

  Gas & Electrical Services offer Plumbing, Heating, Gas & Electrical services in Milton Keynes, Bletchley, Leighton Buzzard, Buckingham & surrounding N

• M Monty's Builders London · Main contractor · 1-9 employees

  London-based builders and maintenance agency. Renovation, extensions, electrical, plumbing, heating and roofing, delivered with craftsmanship and reli

• N Nc Hammer Ltd Old Harlow · Plumbing · 1-9 employees

  Property Services - we take care of everything so you don't have to

• R RLW Electrical Kidwelly · Electrical · 1-9 employees

  Professional electrical services for domestic and commercial clients in South Wales, specializing in solar panels, EV chargers, and comprehensive elec

• J Jjb Electrical Ltd Waltham Cross · Electrical

  Local, Trustworthy and Reliable Electrician in Cheshunt, covering Herts and Essex. JJB Electrical offers quality workmanship and 100% customer satisfa

• C CJ Electrical Ipswich · Electrical · 10-49 employees

  CJ Electrical is an established electrical and mechanical contractor based in Ipswich, Suffolk, providing design, installation, and advice across dome

• A A C Lawrie Builders Ltd Kidderminster · Kitchen fitting · 1-9 employees

  Bespoke kitchen and bathroom fitting, home extensions, period restorations, and conversions. We coordinate specialist trades to deliver seamless proje

• F Flawless UK Group Ltd Fenstanton · Extensions

  Over 60 years of home renovations and extensions, our team turn your dream project into reality, all within your budget and timeline.

• U UK Loft Boarding Ltd Accrington · Loft conversions

  UK Loft Boarding Ltd: Expert loft boarding, storage, hatches, ladders, lighting & insulation. LOFT-E® approved installers. Free quotes.

• S Solar Boost Keighley · Solar PV

  Solar Boost are Yorkshire based renewable energy experts installing solar panels, battery storage, EV chargers, and heat pumps for homes & businesses

• Y Yorkshire Heat Pumps Ltd Harrogate · Heating & ventilation

  Yorkshire Heat Pumps specialises in the design, installation, and maintenance of energy-efficient, renewable heating systems, including ground and air

• P Pinner Driveways Wembley, · Driveways & paving

  Pinner Paving & Building Ltd, trading as Pinner Driveways, offers quality driveways, patios, and landscaping services in West London and surrounding h

• L Limitless Energy Ltd Swansea · Solar PV

  Limitless Energy is a leading installer of renewable heating and electrical systems in South Wales, specialising in Solar PV, Heat Pumps, and EV Charg

• G Glebe Construction Building Contractors Ltd Rotherham · Main contractor · 10-49 employees

  Glebe Construction is an independently owned company based in South Yorkshire, serving the whole region and beyond. We are experienced Principal Contr

• M Max Constructions Reading Ltd Reading · Main contractor · 1-9 employees

  Max Constructions Reading Ltd is a building firm with over 20 years of experience, delivering building work with excellence and precision.

• O Owen Electrical Solutions Ltd Southampton · Electrical

  Highly skilled electricians providing Domestic, Commercial, Industrial, and Renewable electrical services. We are MCS registered and offer bespoke bat

• F Fresh Solar UK Basildon · Solar PV · 10-49 employees

  Fresh Solar UK is a leading solar panel installer, offering professional solar PV system installations for thousands of satisfied customers. They focu

• C Cobra Electrical Services Ltd Witham · Electrical

  Based in Brentwood, Essex, Cobra Electrical Services provides first-class, professional electrical services, combating sub-standard work with top-qual

• H Halls Electrical Contractors (Yorkshire) Ltd Bradford · Electrical

  Professional commercial and industrial electrical contractors in Bradford, West Yorkshire. Specialising in Solar PV, EV chargers, CCTV, alarms & compl

• B Build My Space Ltd London · Main contractor · 1-9 employees

  Transform your space with Build My Space Limited - the general builder contractor in London. Discover our services and contact us today.

• H HeatZen Eccles Manchester · Solar PV

  Award-winning energy specialists providing expert heating, solar, and retrofit services across the UK. We deliver energy-efficient solutions for homes

• E Energymyway (Oxford) Ltd Oxford · Solar PV

  Specialist installers of renewable energy systems in Oxford since 2008, including solar panels, batteries, heat pumps & EV chargers. Free quotes.

• S Sawkins Double Glazing Ltd Ramsgate · Glazing

  Sawkins Double Glazing offers premium double glazing solutions across Kent, London & the South East, specialising in windows, doors, and conservatorie

• N North Build Ltd Penrith · Main contractor · 10-49 employees

  North Build Ltd is a trusted building, screeding and underfloor heating company in Penrith, offering expert renovations, screeding solutions and more.

• M M D Smiths Ltd Ashby De La Zouch · Electrical

  M D Smiths Ltd offers affordable installation, refurbishment & maintenance solutions for domestic, commercial & industrial clients. Contact us for a f

• V Vaughan Construction Ltd Llanelli · Main contractor · 10-49 employees

  A family-run business offering a personal touch with quality, safety, and professionalism. We build relationships through open communication, integrit

• L Langdon Roofing Ltd Woking · Roofing · 1-9 employees

  Langdon Roofing Ltd is a family-run roofing company based in Woking, Surrey, with over 50 years of experience. Specialising in heritage and listed bui

• 3 3d Electrical Ltd Houghton Le Spring · Electrical

  Electrical and Mechanical Contractors serving the North East. 3D Electrical Limited for all your contracting needs.

• O Opus Electrical Solutions Ltd Middlewich · Electrical

  Opus Electrical Solutions are specialists in residential, industrial and commercial installations. Based in Cheshire, we provide electrical services a

• P Pearce Plumbing & Renewables Ltd Bournemouth · Heating & ventilation

  Pearce Plumbing & Renewables Ltd: Specialists in renewable energy systems, including Air Source Heat Pumps and Solar Thermal. MCS accredited, Trustmar

• E Essex Roofing Repairs Ltd Bishops Stortford · Roofing

  Velux-certified roof window and skylight experts. Complete range of Velux installation and repair services. Velux and TrustMark-accredited company. Bo

• J Ja Lofts Ltd Bromley · Loft conversions

  South East London loft conversion specialists with 18+ years' experience. Trusted to create seamless spaces with quality, care, and lasting value.

• 1 1st Choice Building Services Ltd Hereford · Extensions

  Professional building services in Hereford and the West Midlands. 1st Choice Building Services Ltd specializes in home extensions, conversions, and pr

• M M J Design & Building Ltd Uxbridge · Main contractor · 10-49 employees

  Family-led practice undertaking new-build private residences, heritage refurbishment and major extension across Greater London and the Home Counties.

• L Luna Electrical Services Sherborne · Electrical

  Luna Electrical Services are experienced electrical contractors offering a wide range of services for domestic, commercial, and industrial clients. Sp

• M Mec Facilities Ltd Exeter · M&E contracting

  MEC Facilities provides integrated M&E services and selective refurbishment solutions for schools, offices, and public sector buildings in the South W

• E Eco Power Services Thames Ditton · Electrical

  Eco Power Services Ltd is an electrical company based in Thames Ditton with over 18 years of experience. They offer a wide range of electrical service

• P Pgf Construction Ltd Brixham · Electrical · 1-9 employees

  PGF Construction Limited is an expanding local business with many years of experience in the building trade, offering electrical and building services