He says he couldn't survive selling Sony products alone and that Sony UK's turnover has dropped from £1.3bn to £300m.
If it's just £300m now it must be a projection as we're not through March yet but quite possible.
Sony UK Ltd has been renamed Sony Europe Ltd. The UK turnover for this pan-European company is:
y/e 31/03/2010: £1.25bn
y/e 31/03/2011: £1.28bn
y/e 31/03/2012: £0.73bn
This excludes Sony Computer Entertainment and the music, mobile, tv and film companies.