The 54-year-old boss believes that in order for the club to progress and build upon their promising recent league form, they need to keep hold of the core of their squad
Having started the new league campaign in stuttering form, drawing each of their first four games, the Potters have flown up the table in recent weeks to ninth, winning four of their last five.
A major part of their upturn in form has been their defensive solidity, keeping seven clean sheets and letting in just 12 goals in their opening 15 games, with only champions Manchester City shipping less.
A result of this has seen goalkeeper Asmir Begovic linked with moves to both Liverpool and Manchester United, but Pulis has denied that he has even contemplated letting any regular first-team players go in the transfer window, instead insisting that the aim is to add to the squad.
"If a big club comes in for any of our players, then it is very difficult to say 'no, we are not going to do it'," Pulis told reporters.
"You can talk as much as you want, though one thing I will say is that it is a big year for us this year and we will not be selling any of our better players in the January window, and that is full stop.
"It is a massive year for every club in the Premier League and this football club realises and recognises that.
"You hope you get interest because it shows the player is playing really well.
"But there will be no sales. We will be looking to bring one or two in, but there will be no sales of any of the big players at this football club during the window."
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The Potters boss remains hopeful of welcoming back Peter Crouch to the side against Aston Villa on Saturday, after he missed their 1-0 win at West Brom after being involved in a nasty collision with Newcastle centre-back Fabricio Coloccini that saw him lose a number of teeth.He added: "Peter went down to London yesterday to have a guard fitted in his mouth, and hopefully that will help him.
"He will train with the rest of the lads today [Thursday] with it fitted, and we will see how he goes.
"We are hoping it protects him enough so that we can include him in the squad in some capacity at the weekend.