November/December 2014
Founding shareholders – Nick Doulgeris and Sharne Hesse join SCG
February 2015
Victorian office established
March 2015
Western Australian office established
September 2015
Queensland office established
October 2015
New South Wales office established
February 2016
Western Australia office relocated to larger premises
June 2016
Brisbane Strategic Planning Session
September 2016
Queensland office relocated to larger premises
January 2017
Victorian office relocated to larger premises at 379 Collins Street, Melbourne
April 2017
Milestone project: Ravenhall
Ravenhall was one of SCG’s first engagements on a major, capital construction project. SCG’s founding shareholders, Sharne and Nick, were redeployed to the project, continuing their roles under a previous employer, and helped deliver the design for one of Australia’s largest correctional centres.
SCG experienced significant growth during the Ravenhall project period, including the employment of two additional consultants as a direct result.
May 2018
Milestone: DISP V1.0 Accreditation
The Defence Industry Security Program (DISP) establishes minimum security requirements for companies involved in the supply chain of Defence projects to ensure the protection of sensitive information and assets.
July 2018
Milestone: 20+ employees
20+
People Nationally
October 2018
Major project: NSW Correctional Bed Expansion Program
First the Prison Bed Capacity Program (Shortland (Cessnock) Correctional Centre 330 bed expansion), followed by Cessnock 240 bed, Dillwynia 248 bed and Metropolitan Remand & Reception Centre 440 bed expansions.
August 2018
ACT office established
January 2019
Vale Steve Barlow (June 1964 – January 2019)
Steve, a co-founder of SCG, sadly passed away in January 2019. He had an extensive career within the security industry, contributing to many iconic security and engineering projects in Australia and internationally.
In establishing SCG, Steve created a legacy within the security industry. We are proud to have known and worked with Steve and grateful for the opportunity to continue his vision.
July 2019
Sharne Hesse and Craig Wright are appointed as Board members
October 2019
New South Wales office relocated to larger premises at 1 Margaret Street, Sydney
November 2020
ACT office relocated to larger premises
March 2021
Milestone: DISP V2.0 accreditation
SCG has the required security measures in place to safeguard sensitive data and is dedicated to upholding top security standards. This accreditation allows us to store and handle SECRET information.
May 2021
Government & National Security Government Agency
This was a complex and challenging integrated cyber and physical security project. SCG established a team of cyber and physical security experts to identify solution options for multiple government sites.
May 2022
Major project: SCG is appointed the Security and ICT Consultant for the Riverina Redevelopment Project
This project was a first for SCG in several ways:
- First major Defence Managing Contractor contract
- First major Defence security and ICT appointment
- First $1B+ capital project for Defence across three bases; Albury Wodonga Military Area, Blamey Barracks Kapooka and RAAF Base Wagga
January 2023
Milestone: 40+ employees
40+
People Nationally
June 2023
Major project: SCG secure Defence High Security Data Centre Project:
January 2024
Recognised as a Technically Assured Organisation (TAO) by Transport for NSW
Accreditation shows our commitment to technical excellence and reputation as a trusted partner for critical infrastructure projects.
June 2024
South Australian office established at 431 King William Street, Adelaide
October 2024
Milestone: 50+ employees
50+
People Nationally
November 2024
Victorian office relocated to larger premises at 357 Collins Street, Melbourne
December 2024
Milestone: 1000 projects completed
1000+
Projects Nationally
2025
30 Years of Collaboration
October 2025
300+
Current Projects
November/December 2014
Founding shareholders – Nick Doulgeris and Sharne Hesse join SCG
February 2015
Victorian office established
March 2015
Western Australian office established
September 2015
Queensland office established
October 2015
New South Wales office established
February 2016
Western Australia office relocated to larger premises
June 2016
Brisbane Strategic Planning Session
September 2016
Queensland office relocated to larger premises
January 2017
Victorian office relocated to larger premises at 379 Collins Street, Melbourne
April 2017
Milestone project: Ravenhall
Ravenhall was one of SCG’s first engagements on a major, capital construction project. SCG’s founding shareholders, Sharne and Nick, were redeployed to the project, continuing their roles under a previous employer, and helped deliver the design for one of Australia’s largest correctional centres.
SCG experienced significant growth during the Ravenhall project period, including the employment of two additional consultants as a direct result.
May 2018
Milestone: DISP V1.0 Accreditation
The Defence Industry Security Program (DISP) establishes minimum security requirements for companies involved in the supply chain of Defence projects to ensure the protection of sensitive information and assets.
20+
People Nationally
July 2018
Milestone: 20+ employees
October 2018
Major project: NSW Correctional Bed Expansion Program
First the Prison Bed Capacity Program (Shortland (Cessnock) Correctional Centre 330 bed expansion), followed by Cessnock 240 bed, Dillwynia 248 bed and Metropolitan Remand & Reception Centre 440 bed expansions.
August 2018
ACT office established
January 2019
Vale Steve Barlow (June 1964 – January 2019)
Steve, a co-founder of SCG, sadly passed away in January 2019. He had an extensive career within the security industry, contributing to many iconic security and engineering projects in Australia and internationally.
In establishing SCG, Steve created a legacy within the security industry. We are proud to have known and worked with Steve and grateful for the opportunity to continue his vision.
July 2019
Sharne Hesse and Craig Wright are appointed as Board members
October 2019
New South Wales office relocated to larger premises at 1 Margaret Street, Sydney
November 2020
ACT office relocated to larger premises
March 2021
Milestone: DISP V2.0 accreditation
SCG has the required security measures in place to safeguard sensitive data and is dedicated to upholding top security standards. This accreditation allows us to store and handle SECRET information.
May 2021
Government & National Security Government Agency
This was a complex and challenging integrated cyber and physical security project. SCG established a team of cyber and physical security experts to identify solution options for multiple government sites.
May 2022
Major project: SCG is appointed the Security and ICT Consultant for the Riverina Redevelopment Project
This project was a first for SCG in several ways:
- First major Defence Managing Contractor contract
- First major Defence security and ICT appointment
- First $1B+ capital project for Defence across three bases; Albury Wodonga Military Area, Blamey Barracks Kapooka and RAAF Base Wagga
40+
People Nationally
January 2023
Milestone: 40+ employees
June 2023
Major project: SCG secure Defence High Security Data Centre Project:
January 2024
Recognised as a Technically Assured Organisation (TAO) by Transport for NSW
Accreditation shows our commitment to technical excellence and reputation as a trusted partner for critical infrastructure projects.
June 2024
South Australian office established at 431 King William Street, Adelaide
50+
People Nationally
October 2024
Milestone: 50+ employees
November 2024
Victorian office relocated to larger premises at 357 Collins Street, Melbourne
1000+
Projects Nationally
December 2024
Milestone: 1000 projects completed
2025
30 Years of Collaboration
300+
Current Projects