50+ years combined experience

Competitive Rates

G10/RMS Accredited

ISO Certified

Call Us On:
1300 007 782

SSTC

Group of Companies

SITE SECURITY & TRAFFIC CONTROL
CAPABILITY STATEMENT

ISO Certified


RMS Accredited


Acknowledgement
of Country

SSTC Group of Companies are proud to partner with local Chairman of the Deerubbin Aboriginal Land Council Uncle Athol Smith, who’s people inhabited the Coonamble,  Gulargambone and Quambone region of NSW.

While Uncle Athol’s Ancestry derives from the Weilwun People, Uncle Athol brings true understanding of Aboriginal culture to SSTC and devotes significant time and passion to working with Aboriginal communities and young people across NSW

SSTC Group of Companies acknowledges and pays respect to the past, present & future Traditional Custodians and Elders of this nation and the continuation of cultural, spiritual and educational practices of Aboriginal & Torres Strait Islander peoples.

About SSTC

SSTC is an Australian family-owned and operated business delivering integrated services across construction, civil infrastructure and industrial projects throughout Australia.
Founded by Managing Director Liam Sweeten, who served 12 years in the Royal Australian Navy specialising in operational security and boarding operations, SSTC brings strong operational leadership, discipline and safety-focused practices to every project.
Over the past 15+ years, SSTC has grown from a small family business into a national workforce of 110+ personnel, supporting complex construction, infrastructure and defence projects across the east coast of Australia.
SSTC works in partnership with clients from tender stage through to project completion, delivering reliable services that improve site safety, efficiency and project outcomes.

Key Strengths

15+ years industry experience


Australian family-owned and operated


Veteran-owned business


110+ skilled workforce nationwide


Proven experience across construction, civil and defence projects


Strong safety culture and operational leadership


Traffic Control
& Site Security

Site Security and Traffic Control is the core of SSTC’s operations, supporting projects across civil infrastructure, construction, major events and commercial environments. Our experienced teams deliver reliable traffic control and site security solutions for both short and long-term projects.

At SSTC, we focus on safety, consistency and efficiency. By understanding each project’s objectives and site constraints, we deliver streamlined traffic and security management that improves productivity while maintaining the highest safety standards.

From tender stage through to live operations, our team has the experience and capability to deliver dependable traffic control and security services across projects of any scale.

TRAFFIC MANAGEMENT

SSTC delivers professional traffic management services across civil, infrastructure and construction projects. From planning through to onsite implementation, our experienced teams ensure works are delivered safely, efficiently and in full compliance with regulatory requirements.

Key Capabilities

Traffic Control Plans & Traffic Guidance Schemes


Construction Traffic Management Plans & TMPs


Vehicle Movement Plans & swept path analysis


Dilapidation & Traffic Impact Assessments


Permit approvals with Councils, Transport for NSW and Police


Fully equipped traffic control vehicles & certified traffic controllers


TRAFFIC PLANNING

SSTC provides comprehensive traffic planning services to support development, infrastructure and construction projects across NSW. Our accredited planners work closely with councils and government stakeholders to deliver compliant, efficient planning outcomes.

Key Capabilities

Traffic Guidance Schemes


Traffic Management Plans


Construction Traffic Management Plans


Vehicle Movement & swept path Plans


Development Application traffic planning support


Council permit & approval coordination


Industry-leading software


PORTA-BOOMS &
TRAFFIC EQUIPMENT

SSTC supplies and installs automated porta-boom traffic control systems to manage vehicle and pedestrian access across worksites and infrastructure projects. These systems improve safety by reducing the need for manual traffic control.

Key Capabilities

Battery operated units with remote control operation


Solar powered systems for remote locations


Pedestrian & traffic management systems


VMS boards & portable traffic lights


Lighting towers & traffic control vehicles


Trailer mounted C-class arrow boards


TMA’S

SSTC operates a modern fleet of Truck Mounted Attenuators designed to protect road workers and motorists on high-speed roads and motorways. Our TMA units meet Australian safety standards and are equipped with the latest crash-attenuation technology.

Key Capabilities

TMA vehicles compliant with Australian standards


Crash-attenuation systems incl. Scorpion TL-3 & Blade units


Coordination with road authorities & regulators


Deployment on highways & high- speed roads)


AS/NZS compliant arrow boards & VMS Integration


Motorway & major infrastructure traffic protection


LINE MARKING

SSTC provides professional line marking and safety product installation for commercial, industrial and public infrastructure environments. As both importer and installer, we deliver high-quality solutions that meet Australian Standards.

Key Capabilities

Car park line marking installation & removal


Tactile ground surface indicators


Safety & directional signage installation


Speed humps & wheel stops


Fixed & removable bollards


Bike rack installation


Stair nosing installations


Pylon & corner protection systems


TRAFFIC ENGINEERING &
ROAD SAFETY AUDITING

SSTC provides specialised traffic engineering and road safety auditing services to support infrastructure and development projects across NSW. Our experienced engineers deliver compliant designs using advanced CAD technology.

Key Capabilities

Road safety audits (pre-construction & live projects)


Transport for NSW traffic staging plans


Construction certificate & DA traffic compliance


Traffic staging design for major infrastructure


Post-crash & network safety audit


Routine road safety inspections


EQUIPMENT SALES &
SIGNAGE INSTALLATION

SSTC supplies, manufactures and installs a wide range of traffic control and road signage equipment. Our extensive inventory allows projects to be supplied quickly with compliant products ready for installation.

Key Capabilities

Traffic cones & delineation devices


Temporary traffic control signage


Regulatory road signage


Parking & advisory signage


Warning signage systems


Car park bollards & safety infrastructure


Rail tactiles & stair nosing installation


SECURITY SERVICES

SSTC provides professional security services across construction sites, infrastructure projects and commercial environments. Our experienced security teams protect personnel, assets and facilities with tailored security solutions.

Key Capabilities

Construction & site security


Static guards & mobile patrols


Checkpoint & access control security


Event & crowd management security


Licensed door guards for pubs & clubs


CCTV installation & remote monitoring


Control room monitoring services


Landmark & asset protection


SECURITY K9 & HANDLER

SSTC provides highly trained K9 security teams for enhanced protection across high-risk or sensitive environments. Our K9 units act as a strong visual deterrent while providing rapid threat detection capabilities.

Key Capabilities

High trained K9 security teams


Asset & perimeter protection


Rapid threat detection & alert capability


Patrol & deterrence services


High-risk site security operations


Event & crowd security


LABOUR HIRE

From general labourers to highly skilled trades and machinery operators, SSTC provides reliable labour hire solutions. Our workforce can be deployed on short or long-term engagements to support projects safely and efficiently.

Key Capabilities

Electrical spotters


Gas monitoring


Site cleaners


Plumbers


Skilled tradesmen


Machinery Operators


Confined Space Specialists


Line markers


Vegetation Control


General Duty Labourers


Our Assets

4x TMAs


4x Cone trucks


2x VMS Warning Utility Trucks


25x Utility Traffic Control Equipped Truck Fleet


8x Lighting Towers


Trailer-mounted arrow boards


Temporary fencing, water-filled barriers, concrete barriers


Radar speed signs


Porta-booms & traffic lights


Large-Scale Projects

SURRY HILLS VILLAGE

Surry Hills Village

SYDNEY HARBOUR BRIDGE CYCLE LANE

Sydney Harbour Bridge Cycle Lane

LAVERTY COVID TESTING SITES

Laverty Covid Testing Sites

WICKS PLACE MARRICKVILLE

Wicks Place Marrickville

Large-Scale Projects Scope of Works

TRAFFIC CONTROL

Preparation and implementation of Traffic Control Plans (TCP) and Traffic Guidance Schemes (TGS)


Traffic controllers and supervisors for safe vehicle and pedestrian management


Lane closures, road closures and detours for civil and infrastructure works


Pedestrian and cyclist management around active worksites


Setup and operation of temporary traffic control equipment, including signage, cones, arrow boards and portable traffic lights


Coordination of plant, machinery and heavy vehicle movements


Traffic management for day and night works


Permit approvals and compliance with council and transport authority requirements


SITE SECURITY

Provision of site security personnel for civil and construction worksites


Access control and monitoring of site entry and exit points


After-hours site security and patrols


Protection of plant, materials and infrastructure assets


Monitoring of restricted work zones and safety exclusion areas


Public safety management around active construction sites


Installation of temporary fencing, barriers and controlled access points


Incident monitoring and reporting


Our Clients

Trusted by leading contractors, developers and government agencies across Australia.

Leadership Team

LIAM SWEETEN

Director

JIMMY SWEETEN

National Operations Manager

RIKI MIRINGAORANGI

General Manager

CHRISTINE SARRIS

Office Manager

TIM YORSTON

Estimating Manager

JOHN SWEETEN

Operations Manager

AMY DOWSETT

Senior Planner

Our Certifications

SSTC is accredited to ISO 9001, ISO 45001 and ISO 14001, globally recognised standards for quality, safety and environmental management. These certifications demonstrate our commitment to maintaining high standards across all operations and delivering consistent, reliable service to our clients.

For more information about our services please email info@sstc.net.au.

Contact Us

Phone: 1300 007 782
Landline: (02) 9584 0426


Website: sstc.net.au


@sstc.group

Site Security & Traffic Control © 2026 
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