Ryan Nelsen believes West Ham have issued a statement of intent by tying Winston Reid to a new deal.
Tottenham are keen for striker Shaquile Coulthirst to continue his development out on loan after his spell at Southend.
The Highland club are seeking a replacement for Terry Butcher, following his move to Scottish Premiership rivals Hibernian.
Caley Thistle chiefs have now drawn up a short-list of candidates and are aiming to announce Butcher's successor before their William Hill Scottish Cup tie against Morton on November 30.
Chairman Kenny Cameron told the club's website: "The board has, after careful consideration of a huge inflow of applications, decided on a short-list for the managerial vacancy.
"We're very grateful to all who applied for showing such interest.
"We are now proceeding to interview the candidates.
"It is our hope that we will make the appointment before the Scottish Cup tie with Morton on Saturday week."