The regiment was originally formed before World War II during the expansion of British Army signals units.

It was tasked with providing communications and signals support for British Army units based in Egypt.

Following Italy's entry in the war, the regiment's support ranged from providing signals and communications for units in Cyprus, Greece, Macedonia, the Balkans, and Eastern Africa.

[7][8] By 2019 the Regimental HQ will move from its current location at Blandford Camp to Swinton Barracks in Perham Down, thereby co-locating with the remainder of the regular units of 7th Signal Group.

[9] The remainder of the old Squadrons will reform as 13 Sig Regt, and remain based under a new Regimental HQ at Blandford Camp.