Over £1.9bn has been spent on players - an average of almost £100m per club - and there is plenty more business expected ahead of the deadline at 11pm on Thursday.
Here, Sports Mole rounds up a conclusive list of every done deal involving top-flight clubs on deadline day, in order of most expensive to least.
Antony
To: Manchester United
From: Ajax
Fee: £82m
Age: 22
Contract length: Five years with the option of a further year
Manuel Akanji
To: Manchester City
From: Borussia Dortmund
Fee: £15.75m
Age: 27
Contract length: Five years
Wout Faes
To: Leicester City
From: Reims
Fee: £15.3m
Age: 24
Contract length: Five years
Idrissa Gueye
To: Everton
From: Paris Saint-Germain
Fee: £9m
Age: 32
Contract length: Two years
Willy Boly
To: Nottingham Forest
From: Wolverhampton Wanderers
Fee: £2.3m
Age: 31
Contract length: Two years
Oriol Romeu
To: Girona
From: Southampton
Fee: Undisclosed
Age: 30
Contract length: Three years
Luka Racic
To: SonderjyskE
From: Brentford
Fee: Undisclosed
Age: 23
Contract length: One year
Marlos Moreno
To: Troyes
From: Manchester City
Fee: Undisclosed
Age: 25
Contract length: Two years
Willian
To: Fulham
From: Unattached
Fee: Free
Age: 34
Contract length: One year
Martin Dubravka
To: Manchester United
From: Newcastle United
Fee: Loan
Age: 33
Contract length: One season
Layvin Kurzawa
To: Fulham
From: Paris Saint-Germain
Fee: Loan
Age: 29
Contract length: One season
Ethan Ampadu
To: Spezia
From: Chelsea
Fee: Loan
Age: 21
Contract length: One season
Jack Stephens
To: Bournemouth
From: Southampton
Fee: Loan
Age: 28
Contract length: One season
Paulo Gazzaniga
To: Girona
From: Fulham
Fee: Loan
Age: 30
Contract length: One season
Matty Longstaff
To: Colchester United
From: Newcastle United
Fee: Loan
Age: 22
Contract length: One season
Halil Dervisoglu
To: Burnley
From: Brentford
Fee: Loan
Age: 22
Contract length: One season
Christian Saydee
To: Shrewsbury Town
From: Bournemouth
Fee: Loan
Age: 20
Contract length: One season
Tim Iroegbunam
To: Queens Park Rangers
From: Aston Villa
Fee: Loan
Age: 19
Contract length: One season
Monaco 
Stade Brestois 29 
Bordeaux 
Nimes 
Bayern Munich 
FC Augsburg 
Paris Saint Germain 
Toulouse 
CSKA Moscow 
FC Rostov 
Leicester 
Chelsea 
Valencia 
Betis 
Dynamo Kyiv 
Chornomorets Odesa 
Verona 
Inter 
Bayer Leverkusen 
FC Heidenheim 
Borussia Dortmund 
SC Freiburg 
VFL Wolfsburg 
Union Berlin 
Arsenal 
Nottingham Forest 
Everton 
Brentford 
Spartak Moscow 
Lokomotiv Moscow 
Rangers 
Dundee Utd 
Atletico Madrid 
Alaves 
Lens 
Marseille 
Ingulets Petrove 
Shakhtar Donetsk 
AC Milan 
Juventus 
ST Malo 
Manchester City 
Tottenham 
Eintracht Frankfurt 
Werder Bremen 
Girona 
Espanyol 
Feyenoord 
Heerenveen 
ST Etienne 
Montpellier 
Grenoble Foot 38 
Heart Of Midlothian 
Celtic 
Reims 
Lyon 
PSV 
Groningen