• Department of Trade and Industry (DTI)
• House of Commons
• Department for Communities and Local Government (DCLG)
• Department for Constitutional Affairs

• British Parking Association (BPA)
• Enforcement Services Association (ESA)
• Institute of Rating, Revenues & Valuation (I.R.R.V.)
• Association of Valuers & Auctioneers (N.A.V.A)
• Institute of Professional Investigators (I.P.I)
• Association of British Investigators (A.B.I)