Holly Industrial Park is located at the end of Ryan Way, off Imperial Way in North Watford. Junction 5 of the M1, at the junction with the A41, is within 1.8 miles and the M25 is within 4 miles. The Imperial Way estate is home to numerous national trade counter operators including Screwfix, Howdens, Toolstation, Topps Tiles, City Electrical Factors (CEF) and other businesses including Sigma Pharmaceuticals.