Certis Group (English Wikipedia)

"Archived copy". Archived from the original on 11 April 2008. Retrieved 7 February 2008.{{cite web}}: CS1 maint: archived copy as title (link)
"Data". Archived from the original on 13 May 2009. Retrieved 1 October 2019.
"Data". Archived from the original on 13 May 2009. Retrieved 1 October 2019.
"Archived copy". Archived from the original on 6 February 2009. Retrieved 7 February 2008.{{cite web}}: CS1 maint: archived copy as title (link)

agc.gov.sg

sso.agc.gov.sg

"Commercial and Industrial Security Corporation Act - Singapore Statutes Online". sso.agc.gov.sg.

archive.today

Lin, Yan Qin. "Security companies now offer forensics and investigation services". Channel NewsAsia. Archived from the original on 22 July 2012. Retrieved 6 July 2018.

asiaone.com

"Cisco renamed Certis Cisco". www.asiaone.com.

businesstimes.com.sg

"Certis in tie-up with Lendlease to redevelop headquarters". www.businesstimes.com.sg. 29 March 2021. Retrieved 4 April 2023.

certisgroup.com

"About Certis". www.certisgroup.com.
"Security+ to boost productivity by more than 25%". www.certisgroup.com.

channelnewsasia.com

"Fighting SARS Together" (PDF). CNA. Archived from the original (PDF) on 6 July 2008.
Perry, Margaret. "CISCO officers to get newly designed uniforms". Channel NewsAsia. Archived from the original on 1 October 2007. Retrieved 6 July 2018.
Choo, Johnson. "SAF arms key installation units with new weapons and security measures". Channel NewsAsia. Archived from the original on 21 May 2005. Retrieved 6 July 2018.
Lin, Yan Qin. "Security companies now offer forensics and investigation services". Channel NewsAsia. Archived from the original on 22 July 2012. Retrieved 6 July 2018.
Perry, Margaret (1 October 2007). "CISCO officers to get newly designed uniforms". Channel NewsAsia. Archived from the original on 1 October 2007.

cisco.com.sg

Moving Forward as CISCO Security Pte Ltd "Press Releases". Archived from the original on 29 September 2007. Retrieved 17 September 2007., The Straits Times, 5 July 2005

forbes.com

"The Future Of Work Now: The Multi-Faceted Mall Security Guard At A Multi-Faceted Jewel". www.forbes.com.

geocities.com

"1999-Oct-30 - Traffic Wardens from 1-Nov-1999". 3 August 2009. Archived from the original on 3 August 2009.

getforme.com

"Getforme Singapore CISCO GUARDS DON NEW UNIFORM FrontPage Edition 25 JUNE 2005". getforme.com.

mha.gov.sg

www2.mha.gov.sg

"News@Home". 17 June 2007. Archived from the original on 17 June 2007.
"News@Home". 17 June 2007. Archived from the original on 17 June 2007.

app3.mha.gov.sg

The CISCO Inauguration Ceremony at Shangri — La Hotel Ballroom — Speech by Associate Professor Ho Peng Kee, Senior Minister of State for Home Affairs and Law "Ministry of Home Affairs - News Details". Archived from the original on 27 September 2007. Retrieved 17 September 2007., The Straits Times, 5 July 2005

mof.gov.sg

"Ministry of Finance Singapore (MOF)". www.mof.gov.sg.

nhb.gov.sg

stars.nhb.gov.sg

"Archived copy" (PDF). Archived from the original (PDF) on 11 June 2011. Retrieved 7 February 2008.{{cite web}}: CS1 maint: archived copy as title (link)
Speech-Text Archival and Retrieval System Archived 6 August 2007 at the Wayback Machine
"Archived copy" (PDF). Archived from the original (PDF) on 11 June 2011. Retrieved 7 February 2008.{{cite web}}: CS1 maint: archived copy as title (link)
Speech-Text Archival and Retrieval System Archived 13 May 2009 at the Wayback Machine
Speech-Text Archival and Retrieval System Archived 13 May 2009 at the Wayback Machine

nlb.gov.sg

eresources.nlb.gov.sg

"Private estates to be told of Cisco's services". Eresources.nlb.gov.sg. 3 April 1982. Retrieved 1 October 2019.
"Private estates to be told of Cisco's services". eresources.nlb.gov.sg.

recall.com

straitstimes.com

"Certis launches first auxiliary police K-9 unit in Singapore". The Straits Times. 29 January 2019.
"Upgraded range cuts training time for Certis Cisco officers". The Straits Times. 23 May 2017.
Abdullah, Zhaki (21 June 2019). "Mozart helps Certis orchestrate security and services at Jewel". The Straits Times.
Ng, Charmaine (5 September 2019). "Certis wins contract to secure 60 JTC properties in southern, western Singapore". The Straits Times.

tnp.straitstimes.com

Liew, Isabelle (25 October 2016). "Certis Cisco officers get to study and work". The New Paper.

techinasia.com

"Tech in Asia - Connecting Asia's startup ecosystem". www.techinasia.com.

timesofmylife.wordpress.com

"ALS to ERP". 19 June 2007. Archived from the original on 13 April 2016.

web.archive.org

Moving Forward as CISCO Security Pte Ltd "Press Releases". Archived from the original on 29 September 2007. Retrieved 17 September 2007., The Straits Times, 5 July 2005
The CISCO Inauguration Ceremony at Shangri — La Hotel Ballroom — Speech by Associate Professor Ho Peng Kee, Senior Minister of State for Home Affairs and Law "Ministry of Home Affairs - News Details". Archived from the original on 27 September 2007. Retrieved 17 September 2007., The Straits Times, 5 July 2005
"Archived copy". Archived from the original on 11 April 2008. Retrieved 7 February 2008.{{cite web}}: CS1 maint: archived copy as title (link)
"Data". Archived from the original on 13 May 2009. Retrieved 1 October 2019.
"Data". Archived from the original on 13 May 2009. Retrieved 1 October 2019.
"Archived copy" (PDF). Archived from the original (PDF) on 11 June 2011. Retrieved 7 February 2008.{{cite web}}: CS1 maint: archived copy as title (link)
Speech-Text Archival and Retrieval System Archived 6 August 2007 at the Wayback Machine
"Archived copy" (PDF). Archived from the original (PDF) on 11 June 2011. Retrieved 7 February 2008.{{cite web}}: CS1 maint: archived copy as title (link)
Speech-Text Archival and Retrieval System Archived 13 May 2009 at the Wayback Machine
Speech-Text Archival and Retrieval System Archived 13 May 2009 at the Wayback Machine
"ALS to ERP". 19 June 2007. Archived from the original on 13 April 2016.
"Archived copy". Archived from the original on 6 February 2009. Retrieved 7 February 2008.{{cite web}}: CS1 maint: archived copy as title (link)
"1999-Oct-30 - Traffic Wardens from 1-Nov-1999". 3 August 2009. Archived from the original on 3 August 2009.
"Fighting SARS Together" (PDF). CNA. Archived from the original (PDF) on 6 July 2008.
Perry, Margaret. "CISCO officers to get newly designed uniforms". Channel NewsAsia. Archived from the original on 1 October 2007. Retrieved 6 July 2018.
Choo, Johnson. "SAF arms key installation units with new weapons and security measures". Channel NewsAsia. Archived from the original on 21 May 2005. Retrieved 6 July 2018.
"News@Home". 17 June 2007. Archived from the original on 17 June 2007.
"News@Home". 17 June 2007. Archived from the original on 17 June 2007.
Perry, Margaret (1 October 2007). "CISCO officers to get newly designed uniforms". Channel NewsAsia. Archived from the original on 1 October 2007.