Celtic have signed striker Stefan Scepovic but ran out of time to complete a deal for Manchester City striker John Guidetti.
The champions have offloaded Teemu Pukki, Amido Balde, Holmbert Fridjonsson, Jackson Irvine and Dylan McGeough on loan deals.
Ross County have also been busy, despite not having a manager.
Darren Barr has signed on with the Staggies, while Michael Gardyne and Jackson Irvine have agreed loans.
Partick Thistle have landed former Liverpool striker Nathan Eccleston.
Alloa have borrowed Dundee defender Kyle Benedictus, Aberdeen defender Joe Shaughnessy has joined Falkirk on loan and the Bairns have signed released Hearts winger David Smith.
Championship leaders Hearts have also loaned Gary Oliver to Stenhousemuir.
Celtic midfielder McGeough has joined Hibernian and will be joined at Easter Road by striker Jake Sinclair from Southampton.
Rangers youngsters Barrie McKay, Robbie Crawford, Calum Gallacher, Craig Halkett, Luca Gasparotto, Tom Walsh and Daniel Stoney have gone out on loan to Raith Rovers, Morton, Cowdenbeath Clyde, Airdrie, Stenhousemuir and Stranraer, respectively.
The window closed at 23:00 BST.
DEADLINE DAY MOVES IN SCOTLAND
Teemu Pukki [Celtic - Brondby] Loan
Amido Balde [Celtic - Waasland Beveren] Loan
Jackson Irvine [Celtic - Ross County] Loan
Darren Barr [Unattached - Ross County]
David Smith [Hearts - Falkirk] Free
Euan Smith [Kilmarnock - Clyde] Loan
Joe Shaughnessy [Aberdeen - Falkirk] Loan
Jake Sinclair [Southampton - Hibernian] Loan
Kyle Benedictus [Dundee - Alloa] Loan
Gary Oliver [Hearts - Stenhousemuir] Loan
Dylan McGeough [Celtic - Hibernian] Loan
Michael Gardyne [Dundee Utd - Ross County] Loan
Nathan Eccleston [Unattached - Partick Thistle]
Holmbert Fridjonsson [Celtic - Brondby] Loan
Barrie McKay [Rangers - Raith Rovers]
Tom Walsh [Rangers - Stenhousemuir]
Daniel Stoney [Rangers - Stranraer] Loan
Craig Halkett [Rangers - Clyde] Loan
Robbie Crawford [Rangers - Morton] Loan
Craig Beattie [Zebbug Rangers - Ayr United]
Luca Gasparotto [Rangers - Airdrie] Loan
Calum Gallacher [Rangers - Cowdenbeath] Loan
Anthony Higgins [Airdrie - Cowdenbeath]
Pat Scullion [Clyde - Cowdenbeath]