The marketing expert played a key role in the campaign for Morgan Wallen’s "One Thing At A Time."
The band, which also signed with BMG for publishing, has already enjoyed two No. 1s on Billboard's Mainstream Rock Airplay chart.
With fans able to stream an unlimited amount of music for a fixed price, it behooves artists to pad the length of their latest releases.
"I've decided to say goodbye to my Sony family. I can't wait to see what the next adventure holds," Lambert said in a social media post.
Annual revenues for the French music company increased to 760.8 million euros ($723.5 million) last year.
The new standalone will sit alongside Decca Classics under the Universal Music U.K. umbrella.
The label will release the Lagos-born artist's fifth studio album in June.
The song, which was removed from Spotify over a rights issue, is back up, while the Mississippi MC has decided to remain with UnitedMasters for now.
The nine-year veteran of WMG guided the company through its return to growth and debut on Wall Street.
Life in the fast lane: Labels are leaning into uptempo remixes as a way of driving streams and bringing "new life to tracks"