Frasers Group has backed a campaign calling for the government to take urgent action on business rates.
The campaign was launched by the British Retail Consortium and 52 other chains.
The firm, formerly known as Sports Direct International, said: “With the UK high street on life support, the time for reform has long since passed. Transitional relief in particular is disastrous for a great many retailers and needs to be significantly modified to at least ensure the correct amount of rates are paid by the end of transitional relief periods.