Your contract needs to be clear, understandable, and reasonable to both you and your customers. While dog walkers are not legally obliged to have a contract in place between themselves and their clients, it is always good practice to do so.We have created this guide to help get you started with some of the most crucial items to include in your dog walking contract. Learn why a dog walking agreement is important and what you should consider including in the one you use. Get your dog walking contract. Client Service Agreement for Pet Sitters and Dog Walkers. Trust My Pet Sitter offers professional, pre- screened pet sitters so you can keep your pet happy at home. Top 10 Best Dog Walkers Near Suffolk County, New York - With Real Reviews ; 1. Looking for a checklist to help you write a contract?