Neil Lennon is looking for just a couple of players to bolster an already strong squad to try and get his side over the line.
He'd love the likes of Fraser Forster back but keeping hold of Odsonne Edouard is much more important to their title bid, when he'll have a lot of interest.
But who has been linked with the club so far this summer, looks at the names being linked with Celtic. The big stopper spent last season on loan at Celtic and is loved at the club after his first spell.
Vital in the Betfred Cup win over Rangers, he also showed his importance in games against the likes of Lazio. With Craig Gordon stalling over a new deal, Celtic will need to get a quick decision on Forster or be left with just one recognised senior goalkeeper in.
Read more on dailyrecord.co.uk