made by the scottish government reduced taxes on airfares, have won the backing of billy walsh and ryanair's michael o'leary. retailer next said independence not a business issue. aviva said it is not an issue for our company and jupiter said financial services sector to remain vie bran the in either scenario. the world's biggest fund manager claimed independence would bring major uncertainties. bae believes the existing union offers greater stability and standard life says a yes vote would relocate its headquarters away. a little more cautious in turn suggesting the bank would adapt to independence but amidst uncertainty was not good for business. >> it's interesting. people want independence but we are supposed to be staying part of the eu at the same time. successionist fever is everywhere. >> uncertainty, it's less than six months. critically, at the moment, the yes vote and the no vote are tied which is the first time. the risk that scotland actually does become independent has suddenly presented itself as a very real threat, despite the fact we've had, you know, talk about the currency