TDS is the leading UK supplier of door systems for rail vehicles having designed and supplied thousands of door components and systems for over 20 years and continuing with top level integrated compact door systems as part of Polarteknik Oy. Our experience and reliable construction give customers the best choice during the whole project in modern as well as refurbished or enhanced passenger doors. Our product range also includes complete fire barrier walls, automatic single, double leaf sliding doors, telescopic and UAT curved doors.

Our knowledge of the UK Rolling Stock requirements, combined with unparalleled expertise in door systems for ROSCOs, TOCs. and OEMs, places us in the best possible position to provide our customers with first rate service. TDS offers maintenance to all our designs, and customers can benefit from the use of original design documents and product specifications. With our extensive experience we have the proven capability help with other OEM products as well.

Our portfolio of services includes design of new door systems and partitions walls, modification & overhaul of existing door systems, installation & commissioning, servicing & repairs, spare parts supply, and technical support.