Yes. The debt belongs to the company and not you personally. The company and you are separate legal entities. You do still need to fund all the working capital personally if you are a one man band company though.
It's dead easy to set up a company and not initially expensive (albeit it can be if you want the company articles to be very specific and require a lawyer perhaps), but you have to file accounts every year, corporation tax return, confirmation statement/Annual return. Unless you're sure you know what you're doing then you'll need to pay an accountant. There's also dozens of other scenarios where you need to inform companies house.
Company is the right choice for a small-ish enterprise if you are on top of the legal requirements in the UK, and especially if you expect high profits. Ie. Top rate income tax is 45, CT is 19%. He says he currently has no turnover, so my advice would be why burden yourself why you are starting up. You can always incorporate down the line if you get up and running and things grow well.