Job Seekers – What is an Employment Agency? Published by Eric Gregg - January 15, 2016 Employment 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. Employment 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. Employment agencies continue to grow in popularity, but there are still many misconceptions. Leveraging over a million survey responses over the last decade, we have identified and dispelled the 5 most common myths of working with a staffing agency.