A boy displays a Manchester United flag prior to the UEFA Super Cup football match between Real Madrid and Manchester United on Aug 8, 2017, at the Philip II Arena in Skopje. (ARMEND NIMANI / AFP)

Saudi Arabia has submitted a bid for British soccer club Manchester United PLC ahead of Friday's deadline, the Telegraph reported on Thursday.

Multiple private groups in Riyadh have made formal inquiries, the report added.

British billionaire Jim Ratcliffe, a life-long supporter of the club and founder of chemicals firm INEOS, is a likely bidder, along with US private equity firms, sources told Reuters.

Qatari Royals are readying an opening bid of roughly 5 billion pounds ($6.00 billion) for the club, according to a report by Bloomberg News on Thursday citing people with knowledge of the matter.

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The Bloomberg report showed a consortium including Hamad bin Jassim bin Jaber Al Thani, the country's former prime minister and ex-head of the Qatar Investment Authority, is putting the final touches on a proposal to acquire the club.

A corner flag with the logo of the Manchester United soccer team is showed ahead of the English Premier League soccer match between Manchester United and Leicester City at Old Trafford, in Manchester, England, Aug 10, 2018. (JON SUPER / AP)

The Office of the Qatari Royal and Manchester United did not immediately respond to a Reuters request for comment on the Bloomberg report.

A deal for the record 13-times English Premier League winners will likely exceed the biggest sports deal so far, the $5.2 billion - including debt and investments - paid for Chelsea, the sources added.

READ MORE: Report: ManU, Spurs, Liverpool takeover targets for Qatar fund

Manchester United is the fourth richest soccer club in the world, according to analysis by Deloitte.

A small portion of Manchester United shares is listed in the United States with a market capitalization of more than $4 billion, as of Wednesday's close.