The January transfer window is well underway and we've got a running list of every bit of business done by Scottish Premier League clubs so far.

For the latest speculation, we are running a daily column containing all the rumours compiled from STV sources and other media. Visit the STV Sport homepage for the latest edition of Transfer Talk.

ABERDEEN

In: Mark Reynolds (Sheffield Wednesday, loan), Russell Anderson (free), Gavin Rae (Dundee)

Out: Richard Foster (Bristol City), Jack Grimmer (Fulham)

CELTIC

In: Mikael Lustig (Rosenborg, free), Rabiu Ibrahim (PSV, free), Pawel Brozek (Trabzonspor, loan)

Out: Josh Thompson (Chesterfield, loan), Badr El Kaddouri (end of loan)

DUNDEE UNITED

In: Richie Ryan (Sligo Rovers), Milos Lacny (Sparta Prague, loan)

Out: Scott Allan (West Bromwich Albion)

DUNFERMLINE ATHLETIC

In: Iain Turner (Preston North End, loan), Mark Kerr (free)

Out: None

HEART OF MIDLOTHIAN

In: None

Out: Eggert Jonsson (Wolves), Calum Elliot (released)

HIBERNIAN

In: Eoin Doyle (Sligo Rovers), Leigh Griffiths (Wolves, loan extension), George Francomb (Norwich City, loan), James McPake (Coventry City, loan), Tom Soares (Stoke City, loan)

Out: Matt Thornhill (released), Junior Agogo (released), Victor Palsson (released)

INVERNESS CALEDONIAN THISTLE

In: Steve Williams (Bradford City, loan), Claude Gnapkpa (Walsall, free), Sam Winnall (Wolves, loan)

Out: David Davis (end of loan), Lee Cox (Swindon Town)

KILMARNOCK

In: Ben Gordon (Chelsea, loan), Michael Nelson (Scunthorpe United), Dean Shiels (Doncaster Rovers), Dieter van Tornhout (Nea Salamina), Lewis Toshney (Celtic, loan)

Out: Patrick Ada (released), Ben Hutchinson (Mansfield Town), Billy Berntsson (Hammarby)

MOTHERWELL

In: Henrik Ojamaa (RoPS)

Out: Stephen Hughes (released)

RANGERS

In: Mervan Celik (GAIS)

Out: David Weir (released), Thomas Kind Bendiksen (Tromso), Darren Cole, Kal Naismith (both Partick Thistle, loan)

ST JOHNSTONE

In: Lee Croft (Derby County, loan), Jack Compton (Falkirk, loan), James Keatins (Celtic, loan), Kudus Oyenuga (Tottenham Hotspur, loan)

Out: Graham Gartland (Shamrock Rovers), Sam Parkin (released), Sean Higgins (Ayr United, loan)

ST MIRREN

In: Dougie Imrie (Hamilton)

Out: Joe McKee (end of loan), Ilias Haddad (released), Jon McShane (Hamilton, loan)

Have we missed a signing? Let us know at sport@stv.tv or on Twitter @STVSport