Mentrau â'u pencadlysoedd yng Nghymru yn ôl ardal NUTS2, band maint a diwydiant
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Metadata
Econ0052: Size analysis of business with headquarters in Wales and Welsh NUTS2 areas, by industry
ETES3, Welsh Assembly Government
Diweddariad Nesaf: Nid yw’n cael ei ddiweddaru mwyach.Diweddariad Nesaf: Nid yw’n cael ei ddiweddaru mwyac
The data have been derived from a number of sources. The primary source is a detailed extract taken in March 2006 from the Inter-Departmental Business Register (IDBR) maintained by the Office for National Statistics (ONS). This gives details of all enterprises with headquarters in Wales, including employment estimates. It also includes identifiers for industry (using the 2003 Standard Industrial Classification or SIC2003), geographical location, thus allowing the analysis given here.
The IDBR covers a very high proportion of the employment in the UK, but because it excludes most of the very large number of smallest businesses that operate below the VAT threshold, its coverage in terms of the number of enterprises is only partial (around 50%). In order to correct for this, the figures presented here include estimates for unregistered enterprises together with their related employment. These estimates for unregistered enterprises are taken to be the same as the estimates of unregistered enterprises used in the headline analysis (based on the assumption that unregistered enterprises are all single site enterprises and hence their head and only office will be in Wales). The estimates for unregistered enterprises are calculated using a combination of:
. IDBR data;
. information on persons who are self-employed in their main or second job, taken from the Labour Force Survey carried out by the ONS; and
. information on the numbers of sole traders and partnerships from the Survey of Personal Incomes data provided by the Inland Revenue.
A fuller description of the methodology used can be found at the end of the page found by clicking <a href=http://www.wales.gov.uk/keypubstatisticsforwalesheadline/content/economy/2004/hdw20040930-e.htm target=_blank>here.</a>
Note that area breakdowns of the data are workplace based. Each enterprise is allocated to a sub-area of Wales based solely on its physical location.
As all enterprise counts and employment aggregates in this dataset have been independently rounded to the nearest 5, the figures may not add up exactly.