Staffing agencies work on behalf of their clients (companies looking to hire permanent or temporary employees) to find people with the proper skills and experience to fill a position.

Staffing agencies work in nearly all industries, hiring people at all stages of their career from entry level to senior executive positions. The jobs can vary in length, from temporary to permanent. Staffing agencies continue to grow in popularity, but there are still many misconceptions and questions on how to hire the best one.

Leveraging more than a million survey responses over the last decade, we’ve identified 7 questions to help hiring managers, procurement professionals, and senior HR leaders choose the best staffing agency for their needs.