Utilize your financial knowledge, give your answer or opinion to the input question or subject . Answer format is not limited.

UK Contractor with Limited Company
I know a guy on a much higher rate than me, about £500 per day, and he   claims to pay around 18% tax which has me bewildered Your acquaintance may be using a tax efficient, or "marketed avoidance" product identical or similar to those required to be registered or declared under DOTAS legislation in the UK. If this is the case then no, your accountant is not doing anything wrong - the 18% "tax" probably involves a radially different remuneration mechanism to the one you are using.