Offer from Scottish Court Hotel.Genuine or not?

Hi There.I got offer from SCOTTISH COURT HOTEL.The contract is for 3 Years and the Position is Finance Manager.The offer is for GBP 11200/- per month.How can I check this offer is genuine or not??Moreover there is a requirement to give affidavits through a Barrister named Smart Stevenson.I think it fake offer.Can anybody help??