Roman Abramovich put Chelsea up for sale before his sanctions. However he has given clearance for the British Government to sell the club.

Chelsea welcome CPS ruling on "vile and disgusting" homophobic chant -  Mirror Online

Saudi Media Group, a private consortium spearheaded by a Chelsea fan, Mohamed Alkhereji have submitted an offer. The Saudi Consortium submitted a whopping £2.7B offer to buy Chelsea Football Club.

Inside Saudi Media's Chelsea takeover bid - Stamford Bridge plans and  player priorities - Mirror Online

British Billionaire Nick Candy is reportedly preparing an offer to buy the club also.