A summary of signings made by SPFL clubs across all four divisions since the transfer window opened on January 1:
Ladbrokes Premiership
Aberdeen
Niall McGinn (Gwangju)
Chidi Nwakali (Manchester City, loan)
Kenny McLean (Norwich City, loan)
Michael Devlin (Hamilton Academical)
Sam Cosgrove (Carlisle United)
Freddie Woodman (Newcastle United, loan)
Celtic
Marvin Compper (RB Leipzig)
Lewis Morgan (St Mirren)
Charly Musonda (Chelsea, loan)
Jack Hendry (Dundee)
Scott Bain (Dundee, loan)
Dundee
Jeremy Malherbe (Dinamo Brest)
Simon Murray (Hibernian)
Hamilton Academical
Chrysovalantis Kozoronis (PAS Giannina)
Marios Ogkmpoe (OFI Crete)
Mickel Miller (Carshalton Athletic)
Alex Garcia (Marbella)
Charlie Scott (Manchester United, loan)
Heart of Midlothian
Demetri Mitchell (Manchester United, loan)
Steven Naismith (Norwich City, loan)
Danny Amankwaa (FC Copenhagen)
Joacquim Adao (Sion, loan)
Hibernian
Jamie Maclaren (SV Darmstadt, loan)
Faycal Rherras (KV Mechelen, loan)
Florian Kamberi (Grasshoppers, loan)
Scott Allan (Celtic, loan)
Cammy Bell (Kilmarnock)
Kilmarnock
Aaron Tshibola (Aston Villa, loan)
Aaron Simpson (Wolverhampton Wanderers, loan)
Jasko Keranovic (West Bromwich Albion, loan)
Leo Fasan (Bury)
Motherwell
Curtis Main (Portsmouth)
Nadir Ciftci (Celtic, loan)
Tom Aldred (Bury, loan)
Peter Hartley (Blackpool)
Stephen Hendrie (Southend United, loan)
Partick Thistle
Baily Cargill (Bournemouth, loan)
Rangers
Sean Goss (Queens Park Rangers, loan)
Jamie Murphy (Brighton, loan)
Jason Cummings (Nottingham Forest, loan)
Russell Martin (Norwich City, loan)
Greg Docherty (Hamilton Academical)
Ross County
Greg Tansey (Aberdeen, loan)
Inih Effiong (Woking)
David Ngog (Panionios)
Harry Souttar (Stoke City, loan)
Liam Fontaine (Hibernian)
Max Melbourne (West Bromwich Albion, loan)
Mattias Kait (Fulham, loan)
St Johnstone
David McMillan (Dundalk)
George Williams (Fulham, loan)
Matty Willock (Manchester United, loan)
Ladbrokes Championship
Brechin City
Callum Tapping (Queen of the South)
Callumn Morrison (Heart of Midlothian, loan)
Dylan Mackin (Livingston, loan)
Dumbarton
Liam Dick (Stranraer)
Iain Russell (Airdrieonians)
Kevin Nisbet (Partick Thistle, loan)
Andy Stirling (Queen of the South, loan)
Dundee United
Craig Slater (Colchester United, loan)
Emil Sigvardsen Lyng (KA)
Brandon Mason (Watford, loan)
Sam Stanton (Hibernian)
Thomas Mikkelsen (Ross County, loan)
Idris Kadded (Vaulx en Velin)
Grant Gillespie (Hamilton Academical)
Dunfermline Athletic
Lee Robinson (Queen of the South)
James Craigen (Falkirk)
James Vincent (Dundee, loan)
Tom Beadling (Sunderland, loan)
Daniel Armstrong (Wolverhampton Wanderers, loan)
Falkirk
Tommy Robson (Sunderland)
Andrew Nelson (Sunderland, loan)
Reghan Tumilty (Ross County, extension of loan)
Sean Welsh (Partick Thistle)
Louis Longridge (Hamilton Academical)
Ryan Blair (Swansea City, loan)
Alex Jakubiak (Watford, loan)
Conor Hazard (Celtic, loan)
Inverness Caledonian Thistle
Nathan Austin (Falkirk)
Livingston
Jordan Thompson (Rangers, loan)
Gregor Buchanan (St Mirren)
Lee Miller (Falkirk)
Jack McMillan (Motherwell)
Ryan Hardie (Rangers, loan)
Morton
Luca Gasparotto (Falkirk)
Frank Ross (Aberdeen, loan)
Conor Brennan (Ballymena United)
Queen of the South
Myles Beerman (Rangers, loan)
Kyle Cameron (Newcastle United, loan)
Joe Thomson (Celtic, extension of loan)
Dom Thomas (Kilmarnock, loan)
Nikolay Todorov (Heart of Midlothian, loan)
St Mirren
Lewis Morgan (Celtic, loan)
Danny Mullen (Livingston)
Ryan Flynn (Oldham Athletic)
Mark Hill (Celtic, loan)
Myles Hippolyte (Falkirk)
Ladbrokes League 1
Airdrieonians
Jordan McGregor (Hamilton Academical)
Darryl Duffy (St Mirren, loan)
Dale Carrick (Livingston)
Ross Brown (Livingston)
Willie Muir (Queen's Park)
Chris O'Neil (Brechin City, loan)
Daniel Higgins (Kilmarnock, loan)
Albion Rovers
Kieran Wright (Rangers, loan)
Daniel Baur (Heart of Midlothian, loan)
Callum MacDonald (Montrose)
Harlain Mbayo (Aberdeen, loan)
Alloa Athletic
Jordan Kirkpatrick (St Mirren, loan)
Jamie McCart (Celtic, loan)
Callum Smith (Dunfermline Athletic, loan)
Arbroath
Ryan Wallace (Stranraer)
Michael McKenna (Berwick Rangers)
Ayr United
Steven Bell (Stranraer)
Jack Ruddy (Wolves, loan)
Mark Kerr (Falkirk)
East Fife
Craig Thomson (St Johnstone)
Ben MacKenzie (St Johnstone, loan)
Matthew Knox (Livingston, loan)
Adam Livingstone (Motherwell, loan)
Forfar Athletic
Dale Hilson (St Mirren)
Josh Peters (Livingston)
Russell Dingwall (Ross County, loan)
Ross MacIver (Ross County, loan)
Greg Hurst (St Johnstone, loan)
Queen's Park
Aidan Keena (Heart of Midlothian, loan)
Jamie Gullan (Hibernian, loan)
Raith Rovers
Regan Hendry (Celtic, loan)
Willis Furtado (Airdrieonians)
Dario Zanatta (Heart of Midlothian, extension of loan)
Stranraer
Ross Lyon (Rangers, loan)
Dylan Dykes (Ross County, loan)
Angus Beith (Heart of Midlothian, extension of loan)
Cameron Macpherson (St Mirren, loan)
Dean Hawkshaw (Kilmarnock, loan)
Ladbrokes League 2
Annan Athletic
Jamie Henry (Arbroath)
Ben Armour (Morton, loan)
Conor O'Keefe (St Mirren, loan)
Evan Horne (St Mirren, loan)
Cameron Salkeld (Carlisle United, loan)
Berwick Rangers
Declan O'Kane (Musselburgh Athletic)
Ousman See (Forfar Athletic)
Jack Hamilton (Livingston, loan)
Alex Petkov (Heart of Midlothian, loan)
Paul Willis (East Fife)
Jamie Todd (Tranent Juniors)
Clyde
Ally Love (Brechin City)
Tom Lang (Stranraer)
Kyle Gourlay (Dundee, loan)
Adam Martin (Alloa Athletic, loan)
Jack Boyle (Huddersfield Town, loan)
Dylan Cogill (Huddersfield Town, loan)
Cowdenbeath
Craig Henderson (Livingston, loan)
Aiden Malone (Linlithgow Rose)
Ben Reilly (East Fife)
Jordan Hornby (Dundee United)
David Cox (Forfar Athletic)
Brandon Luke (Dunfermline Athletic, loan)
Edinburgh City
Pat Scullion (Berwick Rangers)
Cameron Blues (Falkirk, loan)
Graham Taylor (Dundee United, loan)
Scott Shepherd (Falkirk, extension of loan)
Stuart Morrison (Dunfermline Athletic, extension of loan)
Elgin City
Aaron Whitehead (Lochee United)
Andrew McDonald (St Mirren, loan)
Iain Ross (Broughty Athletic)
Brett Long (Dundee United, loan)
Montrose
Lewis Milne (Forfar Athletic)
Martin Rennie (Lochgelly Albert)
Stenhousemuir
Alan Cook (Alloa Athletic, loan extension)
Innes Murray (Hibernian, loan extension)
Harry Paton (Heart of Midlothian, loan extension)
Stirling Albion
Kevin Moon (ECU Joondalup SC)
Danny Jardine (St Johnstone, loan)
Darren Barr (Morton)
