Constituency data: Businesses and industries

This page provides data on the number and proportion of businesses by industry for parliamentary constituencies in the UK as of March 2025. It also provides data about the number of employees who work in different industries for parliamentary constituencies in the UK as of September 2024. The Library briefing Business statistics provides more statistics on businesses at a national level. The Library briefing Industries in the UK has more information on industries. 

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Notes 

Businesses  

Industries are based on Standard Industrial Classification (UK SIC 2007) broad industrial classifications 

Business data was published by the Office for National Statistics and based on statistics taken from the Inter Departmental Business Register. 

These figures only include businesses which are registered for VAT and/or PAYE. This means many small single-person businesses will be excluded. 

Businesses are only counted once, at their head office location. Figures are rounded to avoid disclosure; this means that zeroes may not necessarily be true zeroes. 

Employees  

Employee data was published by the Office for National Statistics and based on estimates from the Business Register and Employment Survey (BRES), which is a national survey of employers. 

Employment figures are for people who work in the constituency, rather than those who live in the constituency.  

Figures count jobs rather than people, as one person can have more than one job. 

Industries are based on Standard Industrial Classification (UK SIC 2007) broad industrial classifications. Agriculture has been omitted because BRES data excludes farm agriculture statistics at a local level (but includes some agricultural service activities, hunting, trapping, forestry and fishing). 

BRES data is taken from a survey, and hence figures should be treated as estimates. Figures are rounded to avoid disclosure; this means that zeroes may not necessarily be true zeroes. 

Data for Northern Ireland was taken from the Northern Ireland Statistics and Research Agency’s most recent BRES publication. Northern Ireland statistics are for September 2022, and are based on previous (pre-2024 general election) constituency boundaries. 

Sources 

Office for National Statistics, UK Business Counts, via Nomis 

Office for National Statistics, Business Register and Employment Survey, via Nomis 

Northern Ireland Statistics and Research Agency, Business Register and Employment Survey, 26 September 2023