I have a personal guarantee in a commercial lease for my business (LLC) and I have defaulted and I need help to find. The Ez Landlord Forms Personal Guarantee provides added security and assurance for the commercial landlord.A personal guarantee commercial lease is a legally abiding contract that makes a business owner assume personal liability for responsibilities and obligations. The personal guarantee likely binds you to personally pay the rental obligation, i.e. , the contract amount. Use our step-by-step builder to create a Commercial Real Estate Application. A personal guaranty gives the landlord the ability to recover any losses from the personal guarantor if the commercial lessee breaches its lease agreement. Reduce the Time Period – Many personal guarantees are signed for the term of the lease, which exposes you to pay all rent up to lease expiration.