About TWSe

Policies & Certification

Management Systems

Whatever the project, the TWSe team maintains the highest of standards and dedication. Our objective is to deliver exceptional results, through our dedication to implementing and maintaining our Management Systems. Our Work Health and Safety Management Systems based on NSW Government 5th Edition Guidelines & AS/NZS 45001:2018, our Quality Management System based on AS/NZS ISO 9001:2016 and our Environmental Management System based on AS/NZS ISO 14001:2016.



The successful operation of our Quality System based on AS/NZS ISO 9001:2016 relies upon the co-operation and involvement of personnel at all levels. Our dedication to quality will ensure that continued success of our company and the satisfaction of clients and staff.

We recognise the importance of giving our employees the appropriate training needed to competently perform their work and to ensure each employee fully understands their responsibilities in meeting our customer requirements.



TWSe has a commitment to protecting the environment and we implement and maintain our Environmental Management System based on AS/NZS ISO 14001:2016.

We carefully plan each of our projects activities so as to minimise the impact on the environment and ensure all appropriate controls are implemented and maintained.

We pay special attention to client and authority requirements and ensure appropriate measures are implemented and monitored to safeguard against our construction activities.

The TWSe team takes pride in pursuing the highest standards in meeting our environmental responsibilities.

Work Health and Safety


At TWSe, we are committed to safety. Our WHS Management System is certified to the NSW Government 5th Edition Guidelines (AS/NZS ISO 4801), which demonstrates our strong approach to safety and we apply this to all of our operations and works performed.

The TWSe team, including subcontractors, are fully aware of their responsibilities under the WHS Act and we always ensure that a safe working environment is maintained at all times, through consultation with personnel, inductions, training and inspections as well as internal audits and monitoring.