THIS CONTRACT (hereinafter "Contract" or "Centralized Contract") for the acquisition of Security Guard Services. Use this comprehensive yet straightforward security guard contract template to create a binding agreement in just a few minutes or less.A proposal is a detailed project document that defines the scope of work, the process, the schedule, and the total price (usually in the form of a fixed fee). This agreement is between a security company and a client company to provide security guard services. Shel Perkins offers a sample independent contractor agreement that you can use when subcontracting with design firms and ad agencies.