
OTEK is an environmental, engineering and remediation consultancy company established in 1991 whose foundation was based on petroleum hydrocarbon assessment and remediation projects.
Since that time OTEK services have expanded to embrace all aspects of the environmental consultancy solutions sector.
Our strategically located offices ensure our ability to service our customers right around Australia as well as within the Asia Pacific rim.
OTEK staff 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 as being able to deliver outcomes in a timely and efficient manner, and are happy to provide referees from our diverse and long standing customer base.

OTEK’s core services cover a number of areas including:
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 OTEKs’ 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.
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.
The ‘five ticks’ StandardsMark™ is Australia’s most recognized certification mark and is globally recognised for reliability, quality assurance, and safety.

When our clients see the StandardsMark™, they know that OTEK has met the rigorous requirements of domestic and international quality and safety standards.
OTEK proactively demonstrate compliance in areas such as quality, occupational health and safety, environment and information security.
The StandardsMark™ is more than just an OTEK claim.
It gives our clients that extra confidence in the safety and performance of a product and service you are purchasing
To obtain a red “5Ticks” Certified Product StandardsMark™, OTEK must have their products and manufacturing processes assessed to some of the world's toughest safety standards.
The StandardsMark™ provided to OTEK is an independent assurance to our clients that our product has undergone a rigorous audit and testing
When our potential clients are shopping for a safe and reliable product, or seeking a good business supplier, they look out for the StandardsMark™.
The StandardsMark™ Scheme requires annual audits of OTEK in addition to the product type testing according to the relevant standard.