Mortgage Advisory Service Home ›› Local Listings ›› NSW ›› Parramatta ›› Mortgage Advisory Service NSW Financial Services Parramatta, NSW 2150 Louis Allen(02) 9635 9055 A mortgage represents a loan or lien on a property/house that has to be paid over a specified period of time.A mortgage broker acts as an intermediary whose brokers mortgage loans on behalf of individuals or businesses. Management consulting refers to both the industry and the practice of helping organisations to improve their performance, primarily through the analysis of existing organisational problems and development of plans for improvement.