Com or ask your property manager about Leap. If you choose to add a guarantor, we require their income to be at least five times the rental rate of the apartment.A second chance to secure your dream home. Helping you qualify for the rental you want, while giving property managers protection against defaults. I came across using a rent guarantor company. Our tenant guarantee means your tenant will last at least six months. All occupants 18 years of age or older must complete an application and pay the application fee. Our unique tenant guarantee means you get the peace of mind that your tenant will follow the terms of the lease agreement and not disappear or stop paying rent.