You asked

How many companies are there within SIC codes 4110 and 6810 with a turnover between £2 million and £20 million?

We said

Thank you for your request for data concerning companies in SIC codes 4110 and 6810 with a turnover between £2 million and £20 million.

The number of companies in the SIC codes you stipulated in your request are as follows:

SIC 4110 : Development of building projects = 3,255 SIC 6810 : Buying and selling of own real estate = 190

If you require any further analysis or information please feel free to contact the Inter-Departmental Business Register Data Analysis Service (IDBRDAS) at IDBRDAS@ons.gov.uk.