Mette Tranborg broke though the
SK Aarhus first team at the age of 16. She was the first player in Danish league to be exempted from the minimum age requirements to play. She was awarded the Best Female Talent in the Danish league in the 2014/2015 season. In 2017 she switched to league rivals
Odense Håndbold, where she was one of the key players for 2.5 seasons. She missed the last half season due to a
Cruciate ligament injury. In 2020 she switched to
Team Esbjerg. In the
2021-22 season she came second in the Danish Championship. In the final, she missed a second shot against
Odense Håndbold, which would have taken the final to extra time. The year after she won the Danish Championship. In April 2025 it was announced that from the 2025-26 season she would join Hungarian Ferencvaros. == National team ==