The London-listed passenger transport operator had said on 9 December that itself and its auditors Deloitte had that the additional time that needed to finalise the audited statements for the 2021 financial year meant it would not be possible to publish the results by 3 January.
As 3 January was the last possible date for the results to be published under the FCA's disclosure guidance and transparency rules and the listing rules, following consultation with the FCA, Go-Ahead said it had requested that the listing of its shares and its 2.5% guaranteed bond due 2024 be temporarily suspended with from 0730 GMT on 4 January.
"The company intends to request a restoration of the listing of its ordinary shares and its bond on publication of the 2021 results," the board said in its statement.
"The group continues to work closely with Deloitte to ensure that the 2021 results are published as soon as possible.
"This is expected to be before the end of January 2022."
Shares in Go-Ahead Group had closed down 1.55% at 667p on 31 December, the last trading day before the suspension request.