ONS has produced experimental estimates from the voluntary fortnightly business survey (BICS), for single site businesses only, on topics such as trading status, financial performance, workforce and business resilience. Geographical breakdowns include country, regional and local authority levels.
https://www.ons.gov.uk/businessindustryandtrade/business/businessservices/articles/businessinsightsandimpactontheukandsubnationaleconomy/may2021