When running the report for supplier turnover, subcontractors who are nett and pay CIS tax, as it is a credit note automatically produced on your system, it is deducted from the turnover figure. 

We need subcontractor turnover figures to give to the insurance but are unable to do so due to poor reporting options.

When this was queried, I was informed that was the way the report was done. Nothing to say that it would be looked into and changed.

looks like I will have to create my own correct turnover report ..... again!