TrustMark accredited construction companies

1519 UK construction companies displaying TrustMark on their website.

• C C&T Smart Energy Group Neath · Solar PV

  TrustMark-certified solar PV, battery storage, heat pump, boiler and insulation installers in South Wales & South West England. Flexible finance avail

• V Vb Electrical Ltd Derby · Electrical

  VB Electrical Limited is a professional electrical services provider for homeowners and businesses in Derby and Derbyshire, offering EICR, consumer un

• C Chingford Plumbing & Heating Ltd Woodford Green · Plumbing

  Chingford Plumbing & Heating offer affordable and reliable plumbers across London and Essex. Our engineers are uniformed and service 24/7 with a smile

• I Inspace Construction Group Ltd Northampton · Main contractor · 10-49 employees

  InSpace Construction are specialists in general building and property maintenance for private and commercial clients. Preferred installer for B&Q.

• T T&G Electrics (TW) LTD Tunbridge Wells · Electrical

  Need a professional electrician in Tunbridge Wells? T&G Electrics provide reliable installation, repair, and maintenance services at affordable prices

• K Kingdon Design & Construction Ltd London · Extensions · 1-9 employees

  Kingdon Carpentry & Construction offers tailored carpentry and building services in South East London, specializing in home extensions, renovations, k

• T Tlc Home Group Ltd Colchester · House builder

  Trusted UK contractor specialising in air source heat pump installations, commercial property conversions, new build construction, and HMO conversions

• E Endura Flat Roofing Ltd Newcastle Upon Tyne · Roofing

  Specialist EPDM rubber flat roofers covering Newcastle, Gateshead and Tyneside. Roofs that last 40-50 years, 300+ five-star reviews.

• P Platinum Renewables Retford · Solar PV

  Experts in renewable energy, helping businesses and homeowners across the UK save money and reduce emissions by installing solar PV, heat pumps, EV ch

• B Brown Building Ltd London · Main contractor · 1-9 employees

  Brown Building is a well-established, London-based company with an outstanding reputation for creating inspirational and functional living spaces.

• G Greener Solutions Group Ltd North Shields · Insulation · 10-49 employees

  Greener Solutions Group delivers energy efficiency and PAS 2035 retrofit at pace for social housing and the public sector. Over 14,500 measures instal

• M Mullarkey Contractors Ltd Harrow · M&E contracting

  North London based Mechanical and Electrical Contractor covering London and Home Counties. We pride ourselves on delivering the highest level of servi

• S Ss Electrical (Leeds) Ltd Leeds · Electrical

  SS Electrical (Leeds) Ltd offers domestic and commercial electrician services in Leeds and Wakefield. Fully certified and guaranteed work with honest

• F Flintshire Roofing Ltd Wrexham · Roofing

  Flintshire Roofing is a long established roofing specialist covering North Wales, Cheshire, the Wirral and Liverpool. Since our inception in 1994 we h

• B Br Edwards Roofing Ltd Leighton Buzzard · Roofing

  BR Edwards Roofing Ltd are professional roofing contractors based in Leighton Buzzard, covering Dunstable, Watford, St Albans, Hemel Hempstead and sur

• C Carbon Saving Group Ltd Plymouth · Solar PV · 1-9 employees

  Carbon Saving Group offers renewable energy systems across the UK, specialising in solar PV, battery storage, EV charging, and air source heat pumps f

• S Space Above Ltd Dunstable · Loft conversions · 1-9 employees

  Space Above Ltd is a family-run business in Dunstable offering expert builders services for residential and commercial projects. Specialising in loft

• E ELITE SERVICES GROUP LTD Beverley · Solar PV · 10-49 employees

  Renewable energy systems from Elite Services Group. Award-winning experts in Solar PV, Battery Storage, Air Source Heat Pumps and heat loss.

• N Nod Butcher & Son Ltd Fakenham · Refurbishment · 1-9 employees

  A family-run building company from Norfolk, offering bespoke building services with a focus on traditional local materials and strong client relations

• A Ashton Roofing & Building Construction Ltd Dukinfield · Roofing

  Ashton Roofing & Building Construction Ltd is a trusted roofing contractor, approved by Trading Standards, Which?, Trust Mark, and the Federation of B

• S Shevington Electrical Services Ltd Ormskirk · Electrical

  Domestic and commercial electricians providing high standard installations and maintenance. Services include PAT testing, landlord safety checks, EV c

• E Elite Construction London Ltd Brentford · Main contractor · 1-9 employees

  Elite Construction London Ltd is a premier team of building contractors in London. We specialize in luxury house extensions, renovations, and new buil

• J JVDC ELECTRICAL LTD Wells · Electrical

  Experienced and accredited electricians in Somerset offering residential, commercial, and industrial electrical services, including Solar PV and EV ch

• O Omni3 Limited Horsham · Solar PV

  MCS certified solar PV and battery storage installation in West Sussex & the South East. NICEIC approved, ECA member. EV charging, electrical and secu

• S Skilled Force Ltd Bolton · Insulation · 1-9 employees

  Skilled Force Ltd are Eco Flex Grant Approved Loft & Cavity Wall Insulation Installers plus Boiler Grants Available Nationwide. Apply Today.

• D Day And Knight Ltd Stafford · Electrical

  Day & Knight are NICEIC approved and Which? Trusted Trader electricians based in Stafford. Delivering electrical solutions to commercial and domestic

• I Inner Create Milton Keynes · Design & build · 1-9 employees

  Architectural design, home extension, loft conversion, & interior design. From planning & 3D visualisation to project management & energy-efficient re

• N Nsn Electrical Ltd Penzance · Electrical

  Expert electricians in Penzance, Cornwall, serving homes and businesses across West Cornwall. Offering reliable electrical services, EV charging, sola

• M Mbp Construction Ltd Milton Keynes · Main contractor

  MBP Construction Ltd is a professional building company in Milton Keynes with over 20 years of experience. We offer a wide range of building, garden,

• A Array Electrics Chelmsford · Electrical

  Array Electrics is an Essex-based contractor offering expert electrical services across the East of England. Specialising in installations, safety ins

• C Claystone Builders Ltd Eastbourne · Main contractor · 1-9 employees

  Claystone Builders Ltd are local builders based in Hastings, covering the South East including London. With over 35 years of experience, we offer supe

• 4 4 Oaks Group Ltd Shenstone · Main contractor

  4 Oaks Group specialises in Emergency Reactive Services, Roofing, and Commercial Construction across the UK. With over 20 years of experience, they of

• S Solar Maintenance Services Carlisle · Solar PV · 10-49 employees

  Industry leading rooftop solar PV installation and maintenance service for domestic and commercial clients across the UK. Over 70 MWp installed.

• D Develotec Design And Build Ltd Fareham · Design & build

  Develotec Design & Build Ltd offers high-quality construction, civil engineering, and surfacing solutions with a strong commitment to customer service

• H Hawkesford Construction Ltd Blackwood · Groundworks

  Hawkesford Construction Ltd offers a full range of building services in South Wales, from groundworks to roofing, new builds to extensions, and home i

• S Superior Heat Pumps Rugeley · Heating & ventilation

  Superior Heat Pumps are a leading Midlands renewable heating company, specialising in bespoke heat pump installations, heating upgrades, and underfloo

• L Luxbuild Ltd Walsall · Main contractor

  Premier property construction company delivering luxurious, high-end homes with exceptional craftsmanship, innovative designs, and unparalleled attent

• E Efficient Home Energy Ltd Bromley · Electrical

  Reliable and affordable electrical and gas services in London. Specialising in electrical works, gas works, landlord certificates, and renewable energ

• L Lpc Painting Ltd Cheltenham · Painting & decorating

  LPC Painting is an established decorating company in Cheltenham, Gloucestershire, specialising in high-quality domestic interior and exterior projects

• A All Aspect Builders (Bath) Ltd Bath · Main contractor · 1-9 employees

  All Aspect Builders Bath are an established family run business offering qualified, skilled building & property maintenance services. Call today on 07

• M M Hughes Electrical Ltd Seaford · Electrical

  Hughes Electrical, based in Seaford, East Sussex, offers professional and reliable electrical services. Established in 2004, they are NICEIC Domestic

• L Lloyds Electrical Design Ltd Telford · Electrical

  Professional, approved electricians covering Shropshire, West Midlands and Staffordshire. Family run with over 20 years of experience in domestic, com

• B Blenford Oxford · Refurbishment · 1-9 employees

  Blenford is an Oxford construction company specialising in high-quality renovations, extensions and new builds across Oxford and Oxfordshire.

• A Ada Windows Ltd London · Windows & doors

  FENSA registered installers based in Enfield, North London. We manufacture and install UPVC and aluminium energy efficient windows, doors & bifolds.

• L London West Builders London · Painting & decorating · 1-9 employees

  London West Builders is a highly skilled team of reliable builders, painters, decorators, carpenters, plumbers, and electricians in London, offering a

• S S-Tec Group Ltd Benfleet · Solar PV · 1-9 employees

  Expert solar PV systems and renewable energy solutions by S-Tec Group LTD, providing reliable and sustainable energy options across the UK.

• P Pro-Connect Electrical Ltd Bedford · Electrical · 1-9 employees

  Pro-Connect Electrical Limited are electricians based in Bedford offering domestic and commercial electrical and security services, including EICR, CC

• K Kensi Hope Interiors Ltd Redditch · Kitchen fitting

  Kensi Hope Interiors: Kitchen, bathroom, and bedroom specialists in Redditch. Offering expert fitting services and a wide range of high-quality produc

• S Smart Conservatory Solutions Ltd Northampton · Roofing

  Specialists in replacement conservatory roofs and insulation systems, transforming conservatories into year-round usable spaces with lightweight tiled

• C Cavity Extraction Limited Leyland · Insulation

  Cavity Extraction Limited provide specialist cavity insulation removal specialists to remedy damp problems in North West England, Lancashire and Cumbr