We Advise, You Transact. Advise Transact (A/T) is a specialised division of Wizel Property Group. The success and knowledge built up by Mark Wizel during his time as a commercial selling agent is hard to come by - in a unique market offering, those with exposure to commercial property in any of its forms now have the opportunity to exclusively tap into Wizel's know-how in regards to the optimum strategy and enhancement for any aspect of their Commercial Real-Estate assets across Australia.