Anyone with a decent turnover should be a Ltd company
-Keep tax low
-Isolate their personal possessions if the company fails
-Expand the list of things they can claim against, like sustenance or entertaining clients
I work in two PAYE jobs and also have own business, but as a VAT registered sole trader
I run as a sole trader as it's pretty much a lifestyle business income wise, so it's tax liability end of year is very small (after I have paid my wife who is a housewife PAYE to work for me, she does my admin... it also allows me to claim for her Xmas dinner / staff party once a year)
Being VAT registered sole trader allows me to buy things VAT free claimed back against my profits (so 20% off then 20% again) for all sorts of business items... coffee machine, power tools, business interwebs, business phone, home use against my rent and bills... the savings can be huge
Anyone who is surprised Op does what he does should not take it out on him, it's within the law and every Ltd company in the country runs this very way for the same reasons