As a part-time consultant, you work with a client, business, or organization who requests expert advice on a particular subject. Consultant roles exist in fields like sales, security, management, education, human resources, marketing, engineering, science, and retail. Your duties may be to review and analyze current business practices, offer guidance on hiring and managing employees, strategize for cutting costs and increasing efficiency, and countless other organizational services. Responsibilities for a part-time consultant can span everything from evaluating employee performance to poring over financial documents for ways to save a business money. A consultant may also retire from a full-time role and provide part-time assistance to the same employer.