A source at the club denied Abramovich planned any sale.
The Sunday Times said the move by the Russian followed his rejection of an offer to buy a minority stake in the club by U.S. private equity firm Silver Lake Partners.
Chelsea's directors have brought in Joe Ravitch from the Raine Group, a bank that specialises in sport and technology, the newspaper said without citing its sources.
The source at Chelsea, who declined to be identified, said: "The club is not for sale. The owner is not thinking of selling the club."
News that makes sense
Your trusted source for staying up-to-date with the world around you. Get free daily news updates and analysis, straight to your inbox.
Separately, a spokesman for Abramovich in Moscow declined to comment on "market speculation."
Raine Group did not immediately respond to an email seeking comment.
Earlier this year Jim Ratcliffe, owner of chemicals giant Ineos, bid 2 billion pounds ($2.55 billion) to buy the club, which Abramovich also turned down, the Daily Mail reported.
Tensions between Britain and Russia grew this year after London accused Moscow of poisoning former double-agent Sergei Skripal in Britain in March. Russia has denied any involvement in the poisoning but wealthy Russians have been affected by the frosty relations between the two countries.
Abramovich ran into problems renewing his British visa earlier this year, which caused him to miss Chelsea's FA Cup final victory over Manchester United in May.
Shortly afterwards, Chelsea said work on a new stadium in London would be suspended indefinitely, citing an unfavourable investment climate.
($1 = 0.7841 pounds)
(Reporting by Elisabeth O'Leary in Edinburgh and William Schomberg in London; Editing by Daniel Wallis)
