Your guarantor will fill out an application and provide similar documents to a landlord as you, including photo ID and recent bank statements. In most cases, guarantors will fill out the same application as a full lessee.The difference being that some landlords require only a credit screening. I came across using a rent guarantor company. Typically guarantors will need to produce the same documents as tenants, as well as fill out an application and have their credit run. Bank statements, tax returns, etc.). What are the documents I should provide my landlord? Fill out the lease guaranty application online and send us your paperwork. If you don't have a credit history you can use guarantors. A guarantor cosigns the lease and assumes financial responsibility for an apartment in the event you can't afford to pay rent.