The ENTITY shall commence services on and complete all services by. This Professional Services Agreement (this "Agreement") is entered into as of the.The AGENCY is, and shall be, in the performance of all work services and activities under this Contract, an. Sample Independent Contractor Agreement. Several contractor agreements are available, each tailored to the nature of the services to be provided. Each agreement is comprised of a Checklist. Independent Contractor Relationship. New. Hiring multiple candidates. SunRay Construction Solutions. How to Determine if a Worker is an Independent Contractor.