He joined Berekum Chelsea on free transfer after King Faisal failed to negotiate a new deal. He was invited for trials by Sheikh Mansour, who owns the English side Manchester City, to his base in Abu Dhabi to be observed by Al-Jazeera, the other club he owns.
In February 2011, he joined Thai Premier League side Buriram United, He was invited for a trial with Scottish club Celtic in November 2012, and In January 2013 Acheampong moved to Belgian club R.S.C. Anderlecht on a loan spell until the end of the season 2012–2013.
In August 2012, Acheampong was called up to the national team for the international friendly match against China PR in Xi'an. He made his debut in the starting lineup while Ghana drew 1–1 with China on 15 August.
In 17 September Acheampong made his first UEFA Champions League appearance against Benfica which came on as a substitute in the 46th minute it ended as a victory for Benfica.
In 23 September 2012, he was made the captain of the Ghana U-20's. In a match against Morocco U-20 in 2013 African Youth Championship qualification, he scored twice as the Ghana U-20's won the match 4–1.
In September 10, 2013 Acheampong scored his first international goal for Ghana against Japan in an friendly match.
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