Enviro Infrastructure Pty Ltd is a general construction and infrastructure maintenance company specialising in the construction and maintenance of state owned infrastructure throughout Western Australia.

We hold contracts with key state government clients such as The Public Transport Authority and the City of Armadale as well as being a preferred contractor to agencies including Main Roads WA and the City of Cockburn. Enviro carry out a wide range of maintenance and construction contracts for our government and commercial clients in the Perth metropolitan area as well as the state's remote North West.


Specializing in high risk works, our trade teams hold qualifications and accreditations that allow us to offer a professional, independent and safe 24/7 response capability to key clients across Western Australia. We currently hold several industry accreditations and are working towards our ISO9001:2015 Quality Management accreditation.



Phillip Dawson

CEO and Board Member

Phil Dawson is the founding director of Enviro Infrastructure Pty Ltd. A carpenter by trade, Phil has numerous years of experience managing high profile construction and maintenance projects both within Australia and internationally. Phil has a passion for high quality service delivery and has built an organisation who pride themselves on their professionalism, safety and accountability.



Matthew Gannon

General Manager and Board Member

Matt Gannon is the General Manager of Enviro Infrastructure Pty Ltd. Matt’s primary role is the day to day running of the business, ensuring quality control and business development targets are met and client relationships are maintained. With several trade qualifications and a background in scheduling and estimating, Matt has an intimate knowledge of industry requirements and strives to ensure Enviro is at the forefront of specialist service delivery.


David Shieffelbein

Construction Manager

David is Enviro Infrastructure’s Construction Manager. David is our hands on project manager who supervises our trade teams, provides direct client liaison and manages our current contract works, as well as new projects. A qualified specialist tradesmen with a background in high-end carpentry works, David is an efficient, effective leader who pushes our team to perform to the highest standard in all aspects of their work.


David Schlueter

Operations Manager

Dave is Enviro Infrastructure’s Operations Manager. With over 8 years’ experience in Operations and Emergency Management in WA’s remote North West, Dave has come on-board to oversee the implementation of our ISO9001:2015 QM accreditation and streamline our Safety and Risk Management program. Dave has previously worked in the Construction, Resources and Oil and Gas sectors and holds several industry accreditations, including a Cert IV in Training and Assessing, allowing him to further develop and manage our Compliance and Accreditation division.

Enviro Infrastructure maintains an extensive team of Boilermakers, Carpenters, Concreters and specialist tradesmen who consistently deliver quality construction and infrastructure maintenance projects across Western Australia.