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.

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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

22 companies

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

#			Reg No.		Previous Period		Year End	Status
🥇	ALTRAD SERVICES LIMITED ltdaltrad.com	Warrington	03337119	£550.9m Estimated	—	FY2023	—	active
🥈	PHOENIX ME LIMITED ltdPhoenixme.co.uk Contractors & HB 150 #72	London	00255476	£319.1m Estimated	—	FY2025	30 Sept 2025	active
🥉	C.L.C. CONTRACTORS LIMITED ltdClcgroup.com	Southampton	01230435	£287.6m Estimated	—	—	—	active
4	CBES LIMITED ltdCbes.co.uk	Glasgow	SC288763	£183.4m Estimated	—	—	—	active
5	IRWIN M&E LIMITED ltdIrwinelectrical.com	Craigavon	NI036731	£76.1m Estimated	—	—	—	active
6	BJF CONNECTIONS LTD ltdBjfconnections.co.uk	Maidstone	06056699	£68.5m Estimated	—	—	—	active
7	MUNRO BUILDING SERVICES LIMITED ltdMunrobuildingservices.co.uk	Belper	02554373	£56.1m Estimated	—	—	—	active
8	EAST WEST GROUP LIMITED ltdChaswest.co.uk	Chelmsford	05839797	£55.3m Estimated	—	—	—	active
9	EAST WEST CONNECT LIMITED ltdEastwestconnect.com	Chelmsford	02321487	£50.3m Estimated	—	—	—	active
10	ARC GROUP LONDON LIMITED ltdArcgroupuk.com	Upper Edmonton	05536599	£42.1m Estimated	—	—	—	active
11	IQA OPERATIONS GROUP LIMITED ltdIqagroup.co.uk	Edinburgh	SC235142	£34.6m Estimated	—	—	—	active
12	SURESERVE ENERGY SERVICES NORTH LIMITED ltdDysonenergyservices.co.uk	London	01956726	£28.7m Estimated	—	—	—	active
13	DELATIM LIMITED ltdDelatim.co.uk	London	05475170	£27.4m Estimated	—	—	—	active
14	MORRISON FACILITIES SERVICES LIMITED ltdMearsgroup.co.uk	Motherwell	SC120550	£22.1m Estimated	—	—	—	active
15	ROBERTS & PROWSE (SWINDON) LIMITED ltdRobertsandprowse.com	Exeter	03834098	£19.6m Estimated	—	—	—	active
16	GB ELECTRICAL AND BUILDING SERVICES LTD ltdGbhereford.co.uk	Hereford	05392639	£19.1m Estimated	—	—	—	active
17	ALPINE WORKS LIMITED ltdAlpineworks.co.uk	London	04412871	£17.9m Estimated	—	—	—	active
18	ALTITUDE SERVICES LIMITED ltdAltitudeservices.co.uk	Burnley	03350786	£16.3m Estimated	—	—	—	active
19	WRIGHT BUILD LTD. ltdWrightbuild.org.uk	Preston	01401191	£10.7m Estimated	—	—	—	active
20	SPOKEMEAD MAINTENANCE LIMITED ltdSpokemead.co.uk	London	05122953	£10.2m Estimated	—	—	—	active
21	M J HILLSON LIMITED ltd	Bedfordshire	01823528	£7.5m Filed accounts	—	FY2024	—	active
22	DELATIM HOLDINGS LIMITED ltdDelatim.co.uk	London	12357197	£1.6m Estimated	—	—	—	active