The regimental structure is as follows:
56 Commando Headquarters and Support Squadron 56 Commando Squadron was formed in 1947 as part of 1 Armoured Division Engineer Regiment. It is now the Headquarters and Support Squadron.
54 Commando Squadron Royal Engineers 54 Commando Squadron Royal Engineers was originally formed in 1950. In 2013 it became the second close support commando squadron of the unit, mirroring the structure of 59 Commando Squadron. It is now the high-readiness commando engineer squadron.
59 Commando Squadron Royal Engineers 59 Independent Commando Squadron Royal Engineers represented the Commando-trained, regular unit of the Corps until the formation of 24 Regiment in 2008. Soldiers were drawn from the regular units of the British Army's Corps of
Royal Engineers. The squadron remains based at
RMB Chivenor. It is now the Naval Support Squadron.
131 Commando Squadron Royal Engineers 131 Commando Squadron Royal Engineers was the Army Reserve unit affiliated to 3 Commando Brigade until 1 October 2015. The squadron formally became a full part of 24 Commando Royal Engineers on 2 October 2015. ==The Commando course==