荷尔斯泰因基尔
On 15 December 2008 it was announced that Thom would become assistant coach at lower league Holstein Kiel in January 2009. Under head coach Falko Götz, Thom helped Holstein Kiel win promotion from the Regionalliga Nord to the national third division in 2009. On 15 February 2010, Holstein Kiel sacked Andreas Thom.