My client is using a fitter to work on one of their jobs (not an employee). The fitter bought a nail gun from Screwfix on my clients behalf which my client paid him back for out their personal funds not the business account. As this purchase was for business purposes it needs to go through the books (note -Ltd company). However as the nailgun was inittially paid for by the fitter the invoice provided is in his name - is this paperwork OK to use as supporting paperwork for the purchase by the business and to claim back VAT?