This client Retainer Agreement is for ongoing service agreements between a client and consultant or contractor. This document outlines a retainer's agreement between a client and legal counsel.I am in need for sample partition agreement document which I can use as a template, I appreciate your assistance. This client Retainer Agreement is for ongoing service agreements between a client and consultant or contractor. Sample contract is attached. COURT FORMS: Fill-in-the-blank forms are a common way for self-represented litigants to bring their legal issue before a court.