The club’s financial accounts were issued at the end of last month and finance blogger the Swiss Ramble has recently provided some in-depth insight into the performance of the Parkhead club. It has looked at where the club are strong and propserous, where they have been impacted by Covid-19 and any areas which should be of concern.
One area where the club have thrived, especially compared to rivals Rangers, is in player sales. Across the past eight years they have sold around £135million worth of talent.
Scroll down and click through for a look at some of the key player sales.
5. Tony Watt
Picked up from Airdrie, Watt burst on to the scene before falling out of favour and being moved on to Standard Liege for £1.2million. Photo: SNS Group Sammy Turner
6. Stephen McManus
Initially joined Middlesbrough to work under Gordon Strachan on loan before he became a permanent signing for £1.5million. Photo: SNS Group Angus Macgregor
7. Stefan Johansen
Brought class to the Celtic midfield across two and a half seasons before being sold to Fulham for around £2million. Still playing for the Cottagers. Photo: SNS Group Craig Foy
8. Artur Boruc
The Holy Goalie won six trophies at Celtic Park across more than 220 appearances before making the switch to Fiorentina for around £2million. Photo: SNS Group Bill Murray