30A Upper High StreetThameOxfordshireOX9 3EX Assist Knowledge Development's offices are in Thame, in the Sanderum centre, a modern building newly re-developed to an exceptionally high standard. The Sanderum Centre is set back from the main road (B4445) on a private road that is just past “The Cottage Bakery” on the Upper High Street. As you walk past the bakery you will see a driveway that leads to a two storey office block. If you walk down this drive and turn to your left you will see the reception entrance.By RailThe closest railway station is Haddenham and Thame Parkway and can be found on the Chiltern railway line.