About Envest

Envest is a specialist and experienced environmental consultancy. 


Our mission is to deliver expert, responsive and cost effective service within agreed timeframes, and invest in sustainable measures for the protection of the environment for future generations.

Envest Team

Mervyn Keegan Environmental Consultant

Mervyn Keegan MSc. BSc.

Environmental Consultant


Mobile: +353 (0)87 9136491
Email:   mervynkeegan@envest.ie




Mervyn Keegan Environmental Consultant on Linkedin

Mervyn has 20 years experience in Environmental Consultancy.   Mervyn’s main areas of expertise are in Air Quality & Noise impact assessment and mitigation design and EIA & IPPC Licensing.  

Mervyn’s role in Envest involves the provision of environmental consultancy services in the following areas:

  • Noise monitoring, prediction modeling, impact assessment and mitigation design.
  • Air Quality monitoring, air dispersion modeling, impact assessment and mitigation design. 
  • Odour Monitoring, dispersion modeling & Impact Assessment - EPA Authorised Odour Inspector. 
  • Expert Witness - Oral Hearings / Public Inquiries and Legal cases. 
  • Management of Environmental Planning teams for large multi-discipline projects
Colm Staunton Environmental Consultant

Colm Staunton MSc. BSc.

Environmental Consultant

Mobile: +353 (0)87 6268554
Email:   colmstaunton@envest.ie

Colm Staunton Environmental Consultant on linkedin

Colm has over 16 years experience gained in Environmental Consultancy.   Colm has strong project management capabilities and has led and co-ordinated multidisciplinary teams for the purpose of producing environmental impact statements to support large-scale planning applications.   


Colm’s role in Envest Environmental Ltd. involves the provision of environmental consultancy services in the following areas:

  • Environmental Planning and Impact Assessment. 
  • Contaminated Land Assessment. 
  • Occupational Hygiene Monitoring and Assessment. 
  • Environmental Due Diligence and Auditing.
  • Air Quality Monitoring.   
  • Environmental Licensing / Permitting & Compliance.   


Colm has excellent presentation skills and has a strong knowledge of environmental legislation. 

Contact Envest Environmental

"We would not hesitate to engage Envest for future environmental works. I am happy to be contacted regarding any works carried out by Envest at our facility to date. " 


Envest Customer