OTEK Corporate Overview Brochure (409kb)
OTEK Global Services Brochure - Chinese (1.4mb)
OTEK and ARCADIS Joint Capability Statement (402kb)

OTEK is a leading environmental, engineering and remediation consultancy company established in 1991 whose foundation was based on petroleum hydrocarbon assessment and remediation projects.
OTEK services have expanded to embrace all aspects of the environmental consultancy solutions sector and to best meet client needs.
Our strategically located offices ensure our ability to provide efficient service to clients right around Australia and Asia Pacific.
OTEK are an innovative and dynamic team of professionals with extensive experience, who pride themselves in offering quality and practical environmental solutions to the petroleum, chemical, agricultural, communication, utility, defense, aviation, transport, marine, manufacturing and mining industries throughout the region.
OTEK has active involvement in major associations and organisations, strong relationships with regulators and research organisations.
OTEK values its reputation and ability to deliver outcomes in a timely and efficient manner, and are happy to provide referees from our diverse and long standing customer base.

OTEK has performed thousands of projects involving assessment, monitoring and/or remediation of contaminated land/groundwater throughout Australia and internationally.
OTEK’s ability to provide practical, cost effective, expert consulting services has resulted in record long-term relationships of many years with our clients.
OTEK has demonstrated worlds best practice in environmental projects utilising innovative technologies not used previously in Australia. This has led to OTEK advising and defining benchmarks for environmental regulators throughout Australia.
OTEK offers quality core services in a diverse range of areas.
Environmental Consulting focuses on Due Diligence works including:

Remediation Consulting, Design and Construction includes:
OTEK staff perform and manage all phases of work including: design, fabrication, installation and O&M of in-situ systems such as:
OTEK have significant experience and have obtained successful outcomes utilising remediation technologies such as:
These technologies have been successfully implemented on sites with the following contaminants:

Alternative remediation experience also includes:
Engineered Risk Solutions brings forward OTEK's diverse engineering skills to provide:

Auditing provides the following services:
Greenhouse/Sustainability Consulting provides:
Positive Liability Transfer (PLT)
OTEK has developed a unique solution that only OTEK can offer to the Australian market called Positive Liability Transfer (PLT).
With PLT we can fix the cost of any of your remediation projects and at the same time protect you from any past, present or future liabilities arising from the contamination problems your company may face.
OTEK can even protect you against changes in legislation that occur that could result in further clean-up work needing to be done.
Positive Liability Transfer (PLT) gives you certainty of cost, results and a risk free way to eliminate your environmental problems.
OTEK also undertakes work in the fields of:

OTEK is committed to quality in all aspects of our work.
OTEK always pursues the latest technologies and proven methods, our work is professional and consistent with our certification to ISO 9001.
With the extensive experience OTEK has gained across a broad spectrum of environmental services and technologies, OTEK is very aware of the challenges organisations face when they are required to address environmental issues.
We have been providing a select range of services for over two decades, we have gained a unique skill and expertise in what we do.
Our committed staff constantly seeks innovative and more effective solutions to our clients problems to ensure all of our work practices are in line with the worlds best practices.
The size of OTEK provides the perfect blend of expertise in our broad range of services whilst still remaining agile to deliver successful outcomes in a timely and efficient manner.
The StandardsMark™
The ‘five ticks’ StandardsMark™ is a globally recognised certification mark indicating reliability and quality assurance. When our clients see the StandardsMark™, they can be confident that OTEK has met the rigorous requirements of the ISO 9001 Quality Management Standard.
To obtain ISO 9001 certification OTEK must demonstrate commitment to quality, training and continuous improvement. OTEK maintains a National Quality System which defines senior management dedication to customer feedback, training, efficiency and corrective action.
The StandardsMark™ provided to OTEK is independent assurance that our services have undergone rigorous assessment. Third-party audits are conducted annually by SAI-Global for the purpose of assessing OTEK’s compliance with the Standard and also enable OTEK to improve its business performance through the examination of core business processes.