KSI and Tom Grennan wrote "Not Over Yet" with:
KSI's go-to producer Digital Farm Animals ("Don't Play
" and "Holiday
Richard Boardman, co-writer of "Don't Play." A former Delphic member and founder member of the Manchester-based songwriting collective The Six, Boardman's other credits include Clean Bandit and Jess Glynne's "Real Love
," Louis Tomlinson and Bebe Rexha's "Back to You
," and Marshmello and Jonas Brothers' "Leave Before You Love Me
The songwriting and producing duo Billen Ted. The pair, comprising Tom Hollings and Sam Brennan, were also involved with Nathan Evans' 2021 chart-topping version of "Soon May The Wellerman Come
" and James Newman's 2021 UK Eurovision entry "Embers
US-born and London-based songwriter and multi-instrumentalist Sara Boe.
Digital Farm Animals and Billen Ted also produced the track.