TrustMark accredited construction companies

1519 UK construction companies displaying TrustMark on their website.

• B Byard Electrical & Renewables Ltd Gloucester · Electrical

  Byard Electrical & Renewables are trusted electricians in Gloucestershire, specialising in general electrical services, solar panel & battery storage,

• R Renderclad Ltd Erdington · Cladding

  Renderclad offers expert rendering and cladding services nationwide. With extensive experience and unbiased advice, we ensure the best product selecti

• M Midland Solar Tamworth · Solar PV · 1-9 employees

  MCS certified solar panel installers in the Midlands. Local, friendly engineers based in Tamworth. Expert residential and commercial solar installatio

• A Ayp Electrical Ltd Barton Le Clay · EV charging · 1-9 employees

  AYP Electrical installs EV chargers, solar PV and home electrics across Bedfordshire and the South East. NICEIC certified, no subcontracting.

• R Renewable Energy Consumer Code Prescot · Solar PV · 10-49 employees

  The Renewable Energy Consumer Code (RECC) sets high consumer protection standards for businesses selling or leasing renewable energy generation system

• S Samuel Moore Roofing Ltd Redcar · Roofing

  Samuel Moore Roofing Ltd is a dedicated roofing contractor offering a wide range of services including re-roofing, slate roofing, lead work, EPDM rubb

• C Carbon Save Ltd Huddersfield · Solar PV · 1-9 employees

  Yorkshire's renewable energy specialists. MCS-certified solar PV, air source heat pumps, battery storage and insulation. Free home survey and grant gu

• H HLS Northwest Ltd Lancaster · Damp proofing

  HLS Northwest Ltd are specialists in damp proofing, basement waterproofing, timber treatment, structural repairs, property restoration & renovations i

• L L Pearce Home Improvements Ltd Colwyn Bay · Refurbishment · 10-49 employees

  Property renovation specialists offering services for windows, doors, double glazing, conservatories, bathrooms, house extensions and more.

• S Senergy Heating Ltd Reigate · Heating & ventilation

  MCS Accredited. Senergy Heating Specialise in Mechanical Design. Heating, Cooling and Electrical Services.

• O OL and Edward Ltd London · Refurbishment · 1-9 employees

  Design-led home renovation, kitchen fitting, bathroom renovation, loft conversions and full refurbishment services across London. Fully insured, accre

• M Maison Construction And Landscapes Ltd Crewe · Extensions · 1-9 employees

  Maison Construction & Landscapes offers construction, extensions, renovations, and bespoke landscaping in Cheshire and Greater Manchester. With over 2

• E Efficient Build Ltd Watford · Insulation · 1-9 employees

  Professional building services across London, Hertfordshire, Bedfordshire, Oxfordshire, Berkshire & Surrey. Insulation, rendering, refurbishments, new

• S Stag Solar Solutions Maldon · Solar PV

  Expert solar panel installation in Essex since 2010. Cut energy bills with quality installs and optional battery storage. Get a free quote.

• D Daniel Job Building & Roofing Contractor Ltd St. Austell · Main contractor

  Your trusted Cornish building contractors, delivering exceptional construction solutions. From dream homes to renovations, we build with precision and

• E E-Lectrix Whitstable · Electrical

  E-Lectrix are a professional electrician company based in Whitstable offering a wide range of electrical services to both domestic and commercial cust

• L Lamtans Engineering Ltd Manchester · Refurbishment

  LAMTANS Engineering Ltd is a trusted retrofit specialist with 300+ projects completed. We offer home renovations, insulation, solar, heat pumps and en

• E Energist Solutions Ltd Chester Le Street · Solar PV

  Energist Solutions Ltd offers expertise in energy, sustainability, and renewable technologies for commercial, domestic, and industrial sectors. They d

• Y Yasmeen Property Services Ltd London · Main contractor

  Yasmeen Property Services is a premium building firm in Northwest London, specialising in residential and commercial design and build, refurbishments,

• C Ct Eco Ltd Llanelli · Insulation

  CT ECO LTD installs free heating and insulation upgrades through ECO4, GBIS, and LA Flex grants, helping households save energy and reduce carbon emis

• G Green Connect Ltd Cleckheaton · Insulation

  Green Connect Ltd offers comprehensive whole-house retrofit solutions, including assessments, coordination, and installation. Specialising in energy e

• S SE Energy Solutions Tunbridge Wells · Insulation · 1-9 employees

  SE Energy Solutions Ltd UK is a leader in Commercial & Residential decarbonisation, energy efficiency and whole-house retrofits.

• L Lillie Building Company Nottingham · Design & build · 1-9 employees

  Derbyshire-based construction company blending innovation with tradition. Established in 2020, we offer exceptional building services with honesty, at

• W Walker J Read Ltd Chelmsford · Carpentry & joinery

  Walker J Read Ltd is a carpentry specialist established in 2020, offering bespoke furniture, custom fittings, and full site carpentry packages for hig

• S Spray Foam Tech Ltd Weybridge · Insulation

  Spray Foam Tech is a UK spray foam insulation company helping customers increase their energy efficiency by up to 50%.

• C C M Ward Ltd Nottingham · Electrical

  CM Ward Ltd offers electrical, plumbing, heating, and renewable energy solutions. Experts in boiler upgrades, heat pumps, solar PV, and EV chargers fo

• D Duoserve Ltd Northallerton · Solar PV

  Duoserve is a leading UK clean energy provider specialising in solar PV, battery storage, and EV charging solutions for residential and commercial cli

• S Severn Sparks Ltd Gloucester · Electrical

  Severn Sparks is a Gloucestershire-based home energy installation contractor, offering expert electrical services including EV charging, Air Condition

• I Ian Kitching Building Services Ltd Newcastle Upon Tyne · Extensions

  Ian Kitching Building Services is a family-run business in the North East, specialising in home improvements like loft conversions, extensions, and re

• A Apex Energy Worldwide Solutions Ltd West Bromwich · Solar PV

  Apex Energy provides sustainable energy solutions including Solar PV, EV Chargers, Heat Pumps, Boilers, and Insulation. MCS approved installers.

• I Integrated Renewables Ltd Dudley · Solar PV

  Integrated Renewables provides customised energy and automation solutions for residential and commercial clients, enhancing efficiency and supporting

• E Envision Refurbishments Ltd Kings Langley · Refurbishment · 1-9 employees

  Envision Refurbishments LTD offers skilled kitchen and bathroom fitting services in Rickmansworth, completing quality kitchen installations and refurb

• F First Choice Energy Ltd Llanelli · Solar PV

  South Wales & South West England's most accredited energy installer. Specialising in Solar PV, heat pumps, gas boilers, insulation and ventilation. MC

• H HMS ECO HOMES London · Insulation

  HMS ECO HOMES LTD specializes in high-quality energy efficiency solutions, offering insulation and heating services under the ECO4 scheme for eligible

• E Ecosolv Renewables Ltd Frome · Solar PV

  We install renewable energy solutions across Frome, Somerset, Wiltshire, Dorset and beyond. Request a quote from us today to find out more.

• M M25 ELECTRICAL CONTRACTORS LTD London · Electrical

  NAPIT registered electrical professionals in East Ham with over 17 years' experience offering clear pricing for homes and businesses. Installations, t

• A Acc Renewable Energy Ltd Aintree · Solar PV

  ACC Renewable Energy offers expert solar panel installations and EV charging solutions in Liverpool, with over 20 years of experience. MCS Certified &

• W Weinsulate.Co.UK Ltd Weybridge · Insulation

  Professional insulation and renewable services for homes and businesses. Weinsulate.co.uk offers expert solutions for energy efficiency, including ins

• G Green Earth Energy Improvements Ltd Leeds · Solar PV

  Green Earth Energy Improvements specialises in EPC assessments, audits, and the installation of energy efficiency measures in Leeds, West Yorkshire, a

• D Da Vinci Builders Ltd Reading · Extensions · 1-9 employees

  Trusted builders in Reading & Berkshire specialising in house extensions, loft conversions, renovations and structural works. Free quotes available.

• T Team Renewables Ltd Rotherham · Solar PV

  Team Renewables installs Solar PV, Battery Storage Systems and EV Charging Points. Smart, energy-saving and carbon-reducing technologies for homes and

• E Eco Connect Network Neath · Insulation · 1-9 employees

  Eco Connect Network offers fully-funded ECO 4 grants for central heating, insulation, and solar PV. With over 10 years of experience in EPC energy ass

• I Ion Electrix Ltd Oldham · Electrical

  Fully qualified electricians in Oldham covering all aspects of electrical services including design, estimating, installation for residential and comm

• L Leaping Hare Renewables Ltd King'S Lynn · Solar PV

  Your local renewable energy and low carbon heating experts, installing in Norfolk & Suffolk. From full installation to servicing and repair.

• A Ar Roofing Contractors Ltd Bury · Roofing

  AR Roofing Contractors Ltd offers comprehensive and expert roofing services in Manchester. We provide professional, personal service from planning to

• W Warmer Energy Solutions Ltd Liverpool · Solar PV

  Integrated retrofit and clean energy solutions for sustainable housing. We combine consultancy, design, and installation to improve energy performance

• N Neways Group Ltd Attleborough · Design & build

  AWARD-WINNING builders in Norwich and the surrounding areas. From renovations to new builds, our Master Builders provide a one-of-a-kind service.

• N Nulook Group Fareham · Insulation

  Nulook Group offers green energy solutions including air source heat pumps, solar batteries, and insulation services. They also supply and fit replace

• L LER Group Hemel Hempstead · Groundworks · 1-9 employees

  LER Group specialises in property refurbishment, structural repairs, home extensions, conversions, and external wall insulation, with experienced, ful

• G GREEN AND COSY HOMES LIMITED Nottingham · Insulation

  Installers of energy saving home insulation and solar across the East Midlands and beyond. We offer a wealth of experience in property maintenance and