The Signal Brigade was established on 15th June 1988 as per the Army Routine Order ARO 28/88 as an independent institution within the Army Headquarters premises. Due to the rapid expansion of the Sri Lanka Army, Signal Brigade was separated and the Headquarters Chief Signal Officer was established as a separate entity on 12 March 2007 under the Army Order ARO 44/2007. The Signal Brigade rename as 1 Signal Brigade with the effected from 4 Dec 2023. The 1 Signal Brigade addresses the existing Information communication Technology and its issues except Cybersecurity and Electronic warfare within the Army, that ensure the proper functioning of Information communication Technology from the Army Headquarters down to the level of Battalions Headquarters and for independent installations of the Army. Presently 1 Signal Brigade located at the Army Camp Salawa, Kosgama.
| No | Appointment | Army Extension | Direct Number |
| 1 | 1 Signal Brigade Commander | 57490 | 0113086356 |
| 2 | Brigade Major | 57491 | 0113086777 |
| 3 | General Staff Officer III | 57493 | 0367526053 |
Chief Signal Officer/Commanders of Signal Brigade
| Name | From | To |
|---|---|---|
| Brigadier CJ Abeyratne VSC USP | 15.07.1988 | 01.04.1991 |
| Brigadier FCJ De Silva | 02.04.1991 | 15.10.1991 | Brigadier CJ Abeyratne VSV USP | 16.10.1991 | 01.05.1992 |
| Colonel KA Gnanaweera USP (Officiating) | 02.05.1992 | 27.06.1993 |
| Colonel HGN Padmasiri USP (Officiating) | 28.06.1993 | 01.12.1993 |
| Brigadier AMCWB Seneviratne USP ndc psc | 02.12.1993 | 01.05.1994 |
| Colonel HGN Padmasiri USP (Officiating) | 02.05.1994 | 01.09.1994 |
| Brigadier HGN Padmasiri USP (Officiating) | 02.09.1994 | 20.10.1996 |
| Colonel MA Wipulaguna (Officiating) | 21.10.1996 | 11.12.1996 |
| Colonel WDN Premasiri (Officiating) | 12.12.1996 | 05.06.1997 |
| Brigadier WDN Premasiri | 06.06.1997 | 20.02.1999 |
| Colonel YSA de Silva USP psc (Officiating) | 21.02.1999 | 24.02.1999 |
| Brigadier YSA de Silva USP psc | 25.02.1999 | 12.03.2003 |
| Colonel EP de Z Abeysekera USP (Officiating) | 13.03.2003 | 21.08.2003 |
| Brigadier YSA de Silva USP psc | 22.08.2003 | 14.05.2004 |
| Brigadier EP de Z Abeysekera USP | 29.07.2004 | 26.12.2005 |
| Brigadier TF Meedin RSP Ldmc | 27.12.2005 | 12.03.2007 |
Commanders of Signal Brigade
| Name | From | To |
|---|---|---|
| Brigadier TF Meedin RSP Ldmc | 12.03.2007 | 03.08.2008 |
| Colonel KRP Rowel RWP USP psc (Officiating) | 04.08.2008 | 29.07.2009 |
| Brigadier KRP Rowel RWP USP psc | 30.07.2009 | 29.07.2011 |
| Colonel NM Hettiarchchi psc (Officiating) | 30.07.2011 | 27.04.2012 |
| Brigadier NM Hettiarachchi psc | 28.04.2012 | 13-02-2014 |
| Brigadier DAPN Dematanpitiya psc | 13-02-2014 | 15-03-2015 |
| Brigadier H P Senevirathna USP | 16-03-2015 | 10-08-2016 | Brigadier MT Vaidyarathne | 10-08-2016 | 22-10-2018 |
| Brigadier WPAK Thilakarathne psc | 22-10-2018 | 22-04-2019 |
| Colonel WL Premasiri USP | 22-04-2019 | 20-11-2019 |
| Brigadier WL Premasiri USP | 20-11-2019 | 29-01-2021 |
| Major General HMLD Herath RSP USP psc | 29 -01 -2021 | 16 -08 -2021 |
| Brigadier GLSW Liyanage USP psc | 16 -08 -2021 | 07 -03 -2022 |
| Brigadier BI Assalaratchi USP psc | 09 -03 -2022 | 16-03-2023 |
| Col HDJP Weerathunga | 17-03-2023 | |
| Brig P W M M D Wijeratne RSP USP |
