Founded in 2003, The Leyden Group is a Colorado-based professional recruiting and executive search firm. We have been named a 'Top Staffing Agency' by the Denver Business Journal for the past three years and counting! The Leyden Group is the best source for Sales, Accounting & Finance, and Toxicology/Product Safety talent and jobs around the Nation. Contact us today to learn more about how we can simplify and expedite your search process.