High Quality Content by WIKIPEDIA articles! In the United Kingdom, a regional development agency (RDA) is a non-departmental public body established for the purpose of development, primarily economic, of one of England`s Government Office regions. There is one RDA for each of the NUTS level 1 regions of England. Similar activities are carried out in Wales by the Welsh Assembly Government Department of Economy and Transport, in Northern Ireland by the Department of Enterprise, Trade and Investment and in Scotland by Scottish Enterprise and Highlands and Islands Enterprise.