Abstract: A computerized system and method for creating and managing a lease agreement includes a lease control computer (14) including means (18,22) for analyzing and processing predetermined financial information regarding a potential tenant (T) and a potential landlord (L) on behalf of a lease control intermediary, means (24) for evaluating the information to determine the acceptability of the financial risk associated with potential tenant creating a service product in the form of a guaranty (30) directed to periodic lease payments from the lease control intermediary to the landlord (L) for a predetermined amount defining a guaranty limit with the guaranty limit corresponding to a predetermined lime period with the guaranty obligation becoming active upon failure of the potential lessee (T) to pay periodic lease payments: providing a lease agreement (32) for execution by the landlord (L) and tenant (T) and the least control intermediary, and means for depositing periodic lease payments received either from the tena