Worcester join Wasps and London Irish in signalling their intent to return after all three clubs went out of business during the 2022-2023 season.
They are bidding to join a new look Championship which will expand from 12 to 14 clubs next season.
Wasps and Worcester are now owned by businessman Chris Holland, while businessman, Daniel Loitz, says he is in talks to resurrect London Irish, with the news being welcomed by the chief executive of Premiership Rugby, Simon Massie-Taylor.
“That is great for rugby, and good for the Premiership,” he told BBC 5 live.
“The more rugby brands there are in the country, the better it is for the sport.”