Environmental Consulting Group Overview

EESI Group is Australia's leading brown environment consulting firm specialising in contaminated land restoration and sustainable remediation solutions. The firm operates from offices across New South Wales, Victoria, Queensland, and internationally in the United Kingdom and United States. Established in 1984, the practice has delivered environmental remediation services for nearly 40 years across diverse sectors including urban renewal, mining, waste management, and infrastructure development.

Contaminated Land and Remediation Services

The practice provides scientific solutions for contaminated soil and groundwater assessment, remediation, and bioremediation projects. EESI Group works with brownfield sites requiring environmental restoration under the Contaminated Land Management Act 1997 and related NSW environmental legislation. The firm prepares waste classification reports that meet state regulatory requirements for contaminated material disposal, treatment, and reuse options.

• Contaminated soil and groundwater investigation and assessment
• In-situ and ex-situ remediation technologies
• Bioremediation and natural attenuation processes
• Waste classification and management reporting

Specialised Environmental Applications

The firm carries out mine site closure and rehabilitation projects, landfill services, and hydrogeological assessments for resource and infrastructure sectors. EESI Group operates across multiple project phases from initial site investigation through to long-term monitoring and compliance verification. The team works with EPA accredited auditors and experienced multidisciplinary consultants to deliver science-based environmental solutions.

• Mine operations closure and rehabilitation planning
• Landfill design, monitoring, and post-closure care
• Hydrogeological modelling and groundwater management
• Environmental auditing and regulatory compliance

Professional Credentials and Experience

The firm holds EPA accreditation for environmental auditing services and maintains professional memberships with relevant industry bodies. EESI Group operates with a multidisciplinary team including environmental scientists, hydrogeologists, and contaminated land specialists. The practice has established government and private sector client relationships across property development, mining resources, oil and gas, and manufacturing industries over four decades of operation.

• EPA accredited environmental auditors on staff
• Nearly 40 years of continued environmental consulting operation
• Government, mining, and infrastructure sector project experience

Service Coverage Areas

EESI Group serves clients across New South Wales from the Chatswood office, with additional operations throughout Victoria and Queensland. The practice covers metropolitan Sydney councils, regional NSW areas, and interstate projects requiring contaminated land expertise. The firm works on projects spanning urban renewal sites, industrial facilities, mining operations, and infrastructure developments across multiple Australian jurisdictions.

• New South Wales metropolitan and regional areas
• Victoria and Queensland project coverage
• Interstate contaminated land and mining projects