Construct365 rankings

UK Construction League Tables

Our own rankings of the UK's leading contractors, architects, consultants and housebuilders — ranked live by filed-accounts turnover, with a full SIC-code directory alongside.

Paid promotion never affects ranking position. League-table positions are based solely on financial figures (turnover or net worth); promoted businesses are highlighted visually but ranked exactly like everyone else.

Beta: League table data is still being populated and verified during beta — rankings and financial figures may be incomplete and will improve as we add more companies.

Our rankings

Browse by SIC code

Building completion

Industry lists:Contractors 100Top 100 ContractorsArchitects 100Top 100 ArchitectsConsultants 150Top 150 ConsultantsHousebuilders 50Top 50 HousebuildersContractors & HB 150Top 150 Contractors & HousebuildersPlant Hirers 100Top 100 Plant Hirers

Top 3 — Annual Turnover

Full Rankings — Annual Turnover

14 companies

Rows marked with show figures sourced from Companies House filed accounts.

#			Reg No.		Previous Period		Year End	Status
🥇	C.L.C. CONTRACTORS LIMITED ltdClcgroup.com	Southampton	01230435	£287.6m Estimated	—	—	—	active
🥈	BJF CONNECTIONS LTD ltdBjfconnections.co.uk	Maidstone	06056699	£68.5m Estimated	—	—	—	active
🥉	POLYTECK BUILDING SERVICES LIMITED ltdPolyteck.co.uk	London	05498728	£42.0m Estimated	—	—	—	active
4	KIRKMAN AND JOURDAIN LIMITED ltdKirkmanandjourdain.com	Essex	01766240	£24.6m Estimated	—	—	—	active
5	DLP SERVICES (NORTHERN) LIMITED ltdDlpservices.com	Pendleton Salford	02650749	£22.4m Estimated	—	—	—	active
6	T. M. BROWNE LIMITED ltdtmbrowneltd.co.uk	Kings Lynn	04443068	£18.5m Estimated	—	—	—	active
7	NRC SERVICES LIMITED ltdNrcservices.co.uk	Sheffield	03235366	£14.9m Estimated	—	—	—	active
8	ATTACHÉ LONDON LIMITED ltdattachelondon.com	London	10349674	£1.4m Filed accounts	—	FY2024	—	active
9	PROJECT 86 PROPERTY MAINTENANCE LTD ltd	Teddington	10204235	£483k Estimated	—	—	—	active
10	GSLL COMPLEX ENGINEERING LTD ltd	Hoddesdon	11822533	£238k Estimated	—	—	—	active
11	TYRA BUILDERS LIMITED ltd	Dunstable	11096651	£120k Estimated	—	—	—	active
12	IDM DRY LINING LTD ltd	London	12645296	£108k Estimated	—	—	—	active
13	SILVER BUILD LTD. ltd	Enfield	10670725	£106k Estimated	—	—	—	active
14	ICREATE BUILDING LTD ltd	Oxford	12676124	£49k Filed accounts	—	FY2025	—	active