By September 2001 MUM had the majority of Government customers in the areas it serviced. Customers such as Department for Courts, Department for Corrections, Police, Customs, Parliament, Ministry of Commerce, Reserve Bank, Department of Internal Affairs, Labour Department and Ministry of Health, to name a few.
Private sector clients included the premium Legal Firms, Accounting firms, Banks, Finance Companies, Electricity Companies, and film-makers.
On 6th September 2001 agreement was reached and signed between Greg Corrigan (Mum) and Graeme Sutcliffe (Allied Pickfords). MUM was sold to Allied-Pickfords and the MUM operation and name were merged into the operation and brand of Allied Pickfords. Today the business is owned and operated by Iron Mountain.