Investment firm Aethel Partners are the latest group to say they have bid for Chelsea before the Friday deadline.
Headed by Portuguese entrepreneur Ricardo Silva, the London firm is pledging to put in £50m immediately.
That will serve as bridging funding to help ease financial issues the club faces and to redevelop Stamford Bridge.
Several parties have already expressed their interest in buying the Premier League club from Russian billionaire Roman Abramovich.
His attempt to sell Chelsea has been halted after he was sanctioned by the UK government.
That move came in the wake of Russia's invasion of Ukraine, with Abramovich understood to have strong ties to Russian president Vladimir Putin.