English Heritage requires grounds maintenance at nine sites across the South East, including Dover Castle.
The five-year contract has an option to extend for a further three years and will begin in March 2010.
The deadline is 26 October. Contact Andy Turner, English Heritage, 195-205 High Street, Guildford GU1 3EH. Email firstname.lastname@example.org or call 01483 252063 or 07730 304333.