G&G verified business evidence
There were an estimated 5,681,930 small and medium-sized enterprises in the UK private sector at the start of 2025, representing 99.85% of all private-sector businesses.
The estimate includes businesses with 0 to 249 employees, including unregistered non-employing businesses. It is an official statistic in development and is the latest Business Population Estimates release available when verified.
Official statistics in development.
Department for Business and Trade
Business population estimates for the UK and regions 2025: statistical release
Table C reports 5,681,930 SMEs at the start of 2025.
Department for Business and Trade. Business population estimates for the UK and regions 2025: statistical release. 2nd of October, 2025. https://www.gov.uk/government/statistics/business-population-estimates-2025/business-population-estimates-for-the-uk-and-regions-2025-statistical-release
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