TrustMark is a UK-wide, government endorsed organisation. Its membership provides the public with approved, reliable tradesmen throughout the UK.

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TrustMark is supported by the building industry and consumer protection organisations. TrustMark tradesmen have good health & safety practices and offer Insurance guaranteed backed warranties. Tradesmen are independently checked through on-site inspections.

Trades and coverage in England

Bedfordshire Berkshire Bristol Buckinghamshire Cambridgeshire
Cheshire Cornwall Cumbria Derbyshire Devon
Dorset Durham East Riding of Yorkshire East Sussex Essex
Gloucestershire Hampshire Herefordshire Hertfordshire Isle of Man
Isle of Wight Kent Lancashire Leicestershire Lincolnshire
London Manchester Merseyside Norfolk North Yorkshire
Northamptonshire Northumberland Nottinghamshire Oxfordshire Rutland
Shropshire Somerset South Yorkshire Staffordshire Suffolk
Surrey Tyne and Wear Warwickshire West Midlands West Sussex
West Yorkshire Wiltshire Worcestershire

Trades and coverage in Wales/Cymru

Anglesey/Sir Fon Blaenau Gwent Caerphilly/Caerffili Cardiff/Caerdydd Cardiganshire/Ceredigion
Carmarthenshire/Sir Gaerfyrddin Conwy Denbighshire/Sir Ddinbych Flintshire/Sir Fflint Glamorgan/Morgannwg
Gwynedd Merthyr Tydfi Monmouthshire/Sir Fynwy Neath Port Talbot Newport
Pembrokeshire/Sir Benfro Powys Rhondda Swansea Torfaen
Wrexham

Trades and coverage in Scotland

Aberdeenshire Angus Argyll and Bute Ayrshire Clackmannanshire
Dumfries and Galloway Dunbartonshire Dundee East Lothian Edinburgh
Fife Glasgow Highland Lanarkshire Midlothian
Moray Orkney Perth and Kinross Renfrewshire Scottish Borders
Shetland Isles Stirling West Lothian Western Isles

Trades and coverage in Northern Ireland

County Antrim County Armagh County Down County Fermanagh County Londonderry
County Tyrone