The system involved when applying IR35 is not straightforward.

This means that the cost of compliance is high and contractors run the risk of paying too much tax together with interest and penalties if calculations are not done properly and timeously.

In addition administration is more complicated in properly dealing with IR35 transactions resulting in extra time having to be spent by contractors on administrative chores.

It is vital that you use experienced qualified accountants who fully understand the complexities of the IR35 calculations