Ince has already stated that he is keen to retain the services of Rovers' star players, amid reported interest from a number of sides.
However, he is also looking to add to his squad in time for the new Premier League season.
And Williams has confirmed he has held talks with Ince over his plans to bring in 'one or two' players.
"I'm meeting with Paul (on Thursday) and one of the things we will be discussing is a list of potential transfer targets," Williams told the Lancashire Telegraph.
"We are getting inundated with players at the moment, as you can imagine, and this is an opportunity to decide which direction we want to go in.
"The target positions are very similar to what they were under Mark Hughes, but the actual targets have changed a bit because Paul wants to put his own stamp on things, which is only natural.
"However, the overall strategy remains the same, and that's continuity.
"We want to stick with what we've got to a large extent but if we can add one or two that will strengthen the first XI then that would be great."