Royal Institution of Chartered Surveyors (RICS)

British Institute of Facilities Management (BIFM)

Institute of Directors (IOD)

Confederation of British Industry (CBI)

Companies House

Ordnance Survey

Valuation Office Agency (VOA)

British Broadcasting Corporation (BBC)

Financial Times (FT)

Bank of England

London Stock Exchange

Land Registry

Corporate Register

Property Week

TRADS

Estates Gazette