Stilic has been in fine form for Lech Poznan this season
Celtic could hold a competitive advantage over English Premier League clubs should they pursue their interest in Bosnian midfielder Semir Stilic.
Tottenham Hotspur, West Brom and West Ham have reportedly all also been tracking Lech Poznan's 21-year-old.
But agent Miro Jaganjac told BBC Sport: "In the English case, it seems that he has not played enough international matches to gain a work permit.
"But it seems that is easier in the case of Scotland."
Jaganjac was unwilling to name the English clubs who have expressed an interest but admits that Celtic scouts have watched Stilic in action.
And the Bosnian appears to be the kind of attack-minded midfielder who could fill the role presently occupied by Shunsuke Nakamura at Celtic Park.
It is good that his form is being recognised and if there's a good offer then, of course, anything can happen
Agent Miro Jaganjac
The Japan midfielder wants to return to his homeland at the end of the season, with former club Yokohama F Marinos reportedly willing to pay a hefty transfer fee to secure his services earlier, in January.
Nakamura's goals have been vital to Celtic during more than three successful years in Glasgow and Stilic has hit the net nine times this season after signing from Zaljeznicar a year ago.
But the Bosnian is in no hurry to leave Lech, who have already turned down a £2m offer this season for the midfielder under contract until 2012.
"He has had a good season so far in the Polish league and in Uefa Cup games against Grasshoppers and Nancy," said Stilic's agent.
"We have had contact with several clubs in the UK and the English clubs have been talking to Lech Poznan about his availability.
"But he is very happy there and neither he nor I are actively trying to find a new club for him.
"However, it is good that his form is being recognised and if there's a good offer then, of course, anything can happen."
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