UK company check

5,758,933 UK companies from Companies House, 5,644,491 of them active in the latest file (version 2026-10-01). Search by name or company number, or browse by industry, town and month of incorporation.

Largest industries

SIC 2007 code	Activity	Companies
68209	Other letting and operating of own or leased real estate	286,193
68100	Buying and selling of own real estate	261,310
70229	Management consultancy activities other than financial management	225,300
82990	Other business support service activities n.e.c.	181,931
47910	Retail sale via mail order houses or via Internet	168,755
62020	Information technology consultancy activities	130,844
98000	Residents property management	126,481
64209	Activities of other holding companies n.e.c.	120,534
41100	Development of building projects	120,205
96090	Other service activities n.e.c.	119,452
99999	Dormant Company	106,207
62012	Business and domestic software development	100,700
86900	Other human health activities	82,763
56103	Take-away food shops and mobile food stands	73,772
41202	Construction of domestic buildings	72,317

All industry codes

Towns with the most companies

London 1,120,525
Manchester 114,479
Birmingham 100,211
Glasgow 75,698
Edi̇nburgh 61,496
Cardiff 60,599
Bristol 59,075
Leeds 55,186
Liverpool 50,080
Leicester 47,576
Nottingham 46,786
Sheffield 37,990
Harrow 31,834
Ilford 30,446
Coventry 30,405

Incorporations by month

Source: Companies House Free Company Data Product, Open Government Licence v3.0.