Tidlige treff:
- "Hva gjør deg vakker" (2011)
- "Gotta Be You" (2011)
- "One Thing" (2012)
- "Leve mens vi er unge" (2012)
- "Little Things" (2012)
Senere treff:
- "Beste sang noensinne" (2013)
- "Story of My Life" (2013)
- "Midnight Memories" (2013)
- "Du og jeg" (2014)
- "Steal My Girl" (2014)
Solokarrierer:
- "Sign of the Times" (Harry Styles, 2017)
- "Pillowtalk" (Zayn Malik, 2016)
- "Drag Me Down" (One Direction uten Zayn Malik, 2015)
- "Infinity" (Liam Payne, 2018)
- "Slow Hands" (Niall Horan, 2017)
- "Issues" (Julia Michaels, 2017) [samskrevet av Louis Tomlinson]
Samarbeidsprosjekter:
- "I Don't Wanna Live Forever" (Zayn Malik &Taylor Swift, 2016)
- "No Lie" (Sean Paul &Dua Lipa med One Direction, 2016)
- "Hjem" (Liam Payne &Cheryl Cole, 2017)