On commissioning into the Royal Signals, Brigadier Anderton-Brown was posted to HQ 4 Armoured Brigade and deployed on UN and NATO led operations in Bosnia.  In the rank of Captain he served as Operations Officer in 216 (Parachute) Signal Squadron in support of 5 Airborne Brigade; Adjutant at 2 Signal Regiment and as the G3 Plans Staff Officer with 12 Mechanized Brigade. 

On promotion to the rank of Major, Brigadier Anderton-Brown completed the Advance Command and Staff Course (ACSC) and worked within the MoD Head Office Capability Directorate with responsibility for trunk communication systems including FALCON.  He deployed to Afghanistan in 2006 in command of 216 (Parachute) Signal Squadron and then returned for a second tour of Afghanistan in 2008.  On promotion to Lieutenant Colonel, he was selected to be part of a small UK contingent based in Washington to work as part of an assessment team working for the US 4-Star General Commanding Central Command.  Subsequently he returned to the MoD Head Office as the Military Assistant to the Deputy Chief of Defence Staff (Capability). 

After Regimental Command, and in the rank of Colonel, he attended the Higher Command and Staff Course and has been the Deputy Head within the Joint Forces Command C4ISR Joint User with responsibilities for Defence C4ISR Policy and Force Development.  He was Brigade Commander of 11 Signal and West Midlands Brigade prior to taking up the role of Head of Special Projects within Joint Forces Command in August 2017. 

A champion of sport within the military, Brigadier Anderton-Brown is the Chair of the Royal Signals Games Club and is President of the Army Fencing Union.