In 2009, Savage signed a publishing deal with Sony/ATV Music Publishing. The deal allowed her to write for Babyface, Kat Deluna, Fantasia, Monica and Mýa. She has received songwriting credits for her contribution to Monica's soul-tinged ballad "Catch Me". Her collaboration with Fantasia on the song "Collard Greens & Cornbread" earned the American recording artist a Grammy nomination in 2010. Savage wrote Jaicko's "Oh Yeah", featuring Snoop Dogg, and Deluna's "Push Push", featuring Akon. On 29 July 2016, she announced a management and publishing deal with Roc Nation. On 2 May 2019, Universal Music Group announced the signing of Savage to a seven-year publishing and distribution deal.
Savage has been involved in many youth empowerment and breast cancer screening projects across Nigeria. She helped raise money for an organisation that builds schools in her hometown. Savage has signed endorsement deals with MTN Nigeria, Pepsi, Forte Oil and Maggi.