[4][5][6] In 2018, journalist Fanis Makrides accused Koumas of secretly owning several companies registered in Seychelles and the British Virgin Islands, which Cypriot semi-governmental organisation CYTA allegedly bought television rights from.
[7] In 2024, Koumas and the CFA were accused of intervening to suspend an award Makrides was set to receive from the Cyprus Sports Journalists' Union.
[8] In 2022, then leader of football of Olympiakos Nicosia, Christoforos Tornaritis made various heavy accusations against Koumas, claiming the CFA choose who they want to be relegated and who they want to win the league every year.
[14] On 27 September 2023, the Sports Ethics Committee in Cyprus found that Koumas has a conflict of interest as he owns several companies which trade football broadcasting rights.
[15] In November 2024, president of Omonia FC, Stavros Papastavrou accused Koumas and the CFA of corruption, highlighting a lack of transparency in fund handling, conflicts of interest in TV rights, biased refereeing, and selective enforcement of financial rules.