Amcangyfrifon o Ymchwil a Datblygu a wnaed ym mhedwar sector yr economi, ac a ariannwyd ganddynt. Mae'r sectorau hyn yn cynnwys Menter Busnes, Addysg Uwch, Llywodraeth (gan gynnwys y Cynghorau Ymchwil) a sefydliadau Preifat Nad Ydynt yn Gwneud Elw.
The most reliable estimates of national research and development spending that draws together information on research and development spending in the public and private sectors: business enterprises, government, higher education, private non-profit. It also shows which sectors are providing funding to research and development spending in the UK, and the data is also shown by civil and defence expenditure.
Policy makers are interested in identifying Science and Technology (S&T) businesses in official data sources to better understand the contribution that they make to the economy. This article proposes a classification for S&T and for sub-categories such as Life Sciences and Digital Technology, based on the UK Standard Industrial Classification of Economic Activities (SIC) 2007. It includes practical examples and explanations of how to use the approach with different data sources