On 27 February 2024, the Welsh Government signed the main build contract for construction on the Holyhead Border Control Post with Kier Construction.
Ar 27 Chwefror 2024 llofnododd Llywodraeth Cymru y prif gontract adeiladu ar gyfer adeiladu Safle Rheoli Ffiniau Caergybi gyda Kier Construction.