Speaking on ITV2's Britain's Got More Talent, he revealed that he will invite David Walliams, Alesha Dixon and Amanda Holden to come back for the show's seventh series.
He said: "I can say that if they will accept my invitation, that all three and me will be back next year."
Amanda Holden joked: "If we've got a pen, I'd like that in writing!"
Cowell had earlier stated that this year's final was the "best" he had ever been involved with.
He said: "Without question, I've done a lot of these shows. It's been the greatest final we've ever done. I've absolutely loved it."
The music mogul also congratulated his fellow judges, the "amazing" hosts Ant & Dec, sponsors Virgin Media and the show's production team for this year's series.
Ashleigh & Pudsey were voted this year's winners, beating Jonathan & Charlotte and Only Boys Aloud into second and third place respectively.
Watch a video of Britain's Got Talent winner Ashleigh Butler talk about taking Pudsey to Hollywood below: