Companies House

Address: Crown way, Cardiff , CF14 3UZ , DX 33050 Cardiff
Tel: +44 (0) 870 33 33 636 fax: 029 20380900
http://www.companieshouse.gov.uk/

HM Revenue & Customs (HMRC)

Address: 21 Victoria Avenue , Southend-on-Sea, Essex SS99 1AA
Tel: +44 208 929 0152 fax: 0845 010 8501
http://www.hmrc.gov.uk/

Cabinet Office

Address: 70 Whitehall , London SW1A 2AS
Tel: 020 7276 1234 fax: 020 7276 2720
http://www.cabinetoffice.gov.uk/

Department of Trade & Industry

Address: Response Centre, 1 Victoria Street , London SW1H 0ET
Tel: 020 7215 5000
http://www.dti.gov.uk/