The Heritage Trust of Lincolnshire or Heritage Lincolnshire in the shortened form of its name, is an independent charitable trust working to preserve, protect, promote and present Lincolnshire's heritage for the benefit of local people and visitors. It is based at the Old School in Heckington near Sleaford. It was established in the September 1988 on the initiative of Lincolnshire County Council. It became a registered charity on 9 January 1991, at the same time gaining independence from the county council and merging with the established Trust for Lincolnshire Archaeology.[1][2] Since 1994 the charity's archaeological division has traded as Archaeological Project Services, or APS.