[1] In February 2018, she led the Black Queens to win the maiden edition to the West Africa Football Union (WAFU) in Abidjan, Côte d'Ivoire as an interim coach.
Prior to picking up a coaching role Mercy Tagoe was a referee in the Ghana Premier League.
She made history as the first Ghanaian female referee to officiate at the FIFA Women's World Cup in 2007 held in China.
[3] She was leading the Ghana women's national team on an interim basis after Didi Dramani's managing spell ended.
[5] She also coached Halifax Ladies in the Super League, but quit in 2020, to focus on the national team only.