Nathan Sykes – Unfinished Business

Guitar – Kjetil Steensnæs
Mixed By – Jaycen Joshua
Trumpet – Mathias Eick
Written-By – Iain James Farquharson
Written-By, Producer, Arranged By, Keyboards, Programmed By – Martin Sjølie
Written-By, Vocals – Nathan Sykes

Mixed By – Jaycen Joshua
Producer – Ldn Noise
Strings – Marsha Skinns
Tenor Saxophone – Tim Sanders
Trombone – Dave Liddell
Trumpet – George Hogg
Written-By – Alistair Tennant
Written-By, Instruments, Keyboards, Bass, Synth, Brass, Drum Programming – Greg Bonnick
Written-By, Instruments, Keyboards, Bass, Synth, Brass, Drum Programming – Hayden Chapman
Written-By, Producer, Instruments, Keyboards, Bass, Synth, Brass, Drum Programming – Jin Choi
Written-By, Vocals – Nathan Sykes

Mixed By – Jaycen Joshua
Recorded By – Jose Cardoza
Written-By – James "JHart" Abrahart
Written-By – Carmen Reece
Written-By, Guitar – Edgar "Johnny Velvet" Etienne
Written-By, Producer – Harmony Samuels
Written-By, Vocals – Nathan Sykes

Mixed By – Tony Maserati
Producer – Ldn Noise
Strings – Marsha Skinns
Tenor Saxophone – Tim Sanders
Trombone – David Liddell
Trumpet – George Hogg
Written-By, Backing Vocals – Alistair Tennant
Written-By, Keyboards, Bass, Piano, Guitar – Greg Bonnick
Written-By, Keyboards, Bass, Piano, Guitar – Hayden Chapman
Written-By, Vocals – Nathan Sykes

Mixed By – Jaycen Joshua
Recorded By – Jose Cardoza
Written-By – Talay Riley
Written-By, Guitar – Edgar "Johnny Velvet" Etienne
Written-By, Producer – Harmony Samuels
Written-By, Vocals – Nathan Sykes

Keyboards, Programmed By, Piano – Antonio Dixon
Mixed By – Jaycen Joshua
Recorded By – Paul Boutin
Written-By – Carmen Reece
Written-By, Producer, Keyboards, Programmed By, Piano – Kenneth Edmonds
Written-By, Recorded By, Keyboards, Programmed By – Khristopher Riddick-Tynes
Written-By, Vocals – Nathan Sykes

Drums – Alex Reeves
Mixed By – Jaycen Joshua
Written-By, Producer, Recorded By, Engineer, Acoustic Guitar, Electric Guitar, Bass Guitar, Piano, Keyboards – Tim Woodcock
Written-By, Vocals – Nathan Sykes

Mixed By – Jaycen Joshua
Recorded By – Mike Geluz
Written-By – Major Johnson Finley
Written-By – Carmen Reece
Written-By, Guitar – Edgar "Johnny Velvet" Etienne
Written-By, Producer – Harmony Samuels
Written-By, Vocals – Nathan Sykes

Bass Guitar – Adrian Bent
Featuring, Written-By, Vocals – G-Eazy
Mixed By – Erik Madrid
Written-By – Robert Harrell
Written-By – Karen Anderson
Written-By – Etterlene Jordan
Written-By – Edward Riley
Written-By – Talay Riley
Written-By – Luke James
Written-By – Chauncey Hannibal
Written-By, Producer, Guitar, Programmed By, Engineer – Riley Bell
Written-By, Producer, Keyboards, Percussion, Programmed By – Matthew Burnett
Written-By, Vocals – Nathan Sykes

Mixed By – Jaycen Joshua
Written-By, Guitar, Bass Guitar, Programmed By, Backing Vocals – Kurtis Mckenzie
Written-By, Producer [Additional Vocal Production], Backing Vocals – Talay Riley
Written-By, Producer, Guitar, Bass Guitar, Programmed By, Backing Vocals – Jon Mills
Written-By, Producer, Keyboards, Horns, Guitar, Backing Vocals – Mike "Scribz" Riley
Written-By, Vocals – Nathan Sykes

Mixed By – Jaycen Joshua
Written-By – Major Johnson Finley
Written-By – Carmen Reece
Written-By, Producer, Piano – Harmony Samuels
Written-By, Vocals – Nathan Sykes

Mixed By – Jaycen Joshua
Recorded By – John Kercy
Recorded By – Mike Geluz
Violin, Arranged By [Violin] – Peter Lee Johnson
Written-By, Producer, Recorded By, Instruments, Vocals [Additional] – Dernst Emile
Written-By, Vocals – Nathan Sykes
Written-By, Vocals [Additional] – James "JHart" Abrahart
Written-By, Vocals [Additional] – Courtney Harrell

Mixed By – Jaycen Joshua
Written-By, Producer – Sam Watters
Written-By, Producer, Keyboards, Programmed By – Louis Biancaniello
Written-By, Vocals – Nathan Sykes

Featuring, Vocals – Ariana Grande
Mixed By – Jaycen Joshua
Recorded By – Mike Geluz
Written-By – Major Johnson Finley
Written-By – Carmen Reece
Written-By, Producer, Piano – Harmony Samuels
Written-By, Vocals – Nathan Sykes

Alto Saxophone, Baritone Saxophone – Simon Clarke (2)
Keyboards, Bass, Piano, Guitar – Greg Bonnick
Keyboards, Bass, Piano, Guitar – Hayden Chapman
Producer – Jarrad K
Producer – Zak Waters
Producer [Additional Production] – Ldn Noise
Recorded By – Mario Luccy
Tenor Saxophone – Tim Sanders
Trombone – Dave Liddell
Trumpet – George Hogg
Vocals – Nathan Sykes
Written-By – Diane Warren

Drums – Gordon Campbell (2)
Mixed By – Jaycen Joshua
Recorded By – Jose Cardoza
Recorded By – Mike Geluz
Written-By – Major Johnson Finley
Written-By – Al Sherrod Lambert
Written-By, Guitar – Edgar "Johnny Velvet" Etienne
Written-By, Producer – Harmony Samuels
Written-By, Vocals – Nathan Sykes