Your trusted leaders in regional environmental solutions

About us

Since 1998, DM McMahon Pty Ltd has proudly served as a leading regional environmental consultancy in NSW.  As the only accredited environmental consultants in regional NSW, we deliver tailored, expert solutions to both private and public sector clients.

Our efficient and professional approach ensures your projects stay on schedule and meet their goals. As a trusted partner for infrastructure development, planning, and environmental assessments, we’re here to support your success. Contact us today to discuss your project needs.

Certified professionals

Demonstrated integrity

Regionally located

Environmental Assessment Services

  • Contamination Assessments

    We provide thorough contamination assessment solutions to detect and mitigate environmental pollutants effectively. Learn more

  • Water Assessments

    Our water assessment services analyse water quality and availability to support sustainable water resource management. Learn more

  • Land Capability Assessments

    Land capability assessments determine the most appropriate and sustainable uses of land based on environmental and structural factors. Learn more

  • Ecology Consultancy

    We offer comprehensive ecology consultancy services to support sustainable environmental management and preserve ecological integrity. Learn more

  • Heritage Consultancy

    Our heritage consultancy services ensure the preservation and respectful integration of cultural heritage within environmental projects. Learn more

  • Asbestos Hazardous Materials

    We conduct thorough asbestos and hazardous material assessments to detect, evaluate, and manage potential health and environmental risks effectively. Learn more

Environmental Management Services

  • Environmental Management Plans

    We provide Environmental Management Plans (EMP) for residential, commercial and industrial development projects.  Learn more

  • Contaminated Land Management Plans

    We develop contaminated land management plans to ensure safe, compliant, and effective remediation and land use. Learn more

  • Environmental Compliance

    Our team of experts ensure that relevant environmental regulations are met especially around Environmental Protection Licenses and Development Approvals. Learn more

  • Environmental Management Training

    We offer training to project staff around environmental management and compliance.  Learn more

Environmental Monitoring

  • Environmental Monitoring

    We offer comprehensive environmental monitoring services, including air quality testing, water and soil analysis, and ongoing environmental assessments to support sustainable and compliant operations. Learn more