Technical Expertise

Multidisciplinary teams comprising of specialists across ten industry sectors, we have the expertise necessary to grapple with challenging assignments.

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Commitment to Clients

Our business is built on relationships, and our clients will always be our top priority.

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Featured Project

Silvertown Tunnel London UK

Silvertown Tunnel
One of the largest engineering projects in the world.

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Who We Are

International Award-Winning Engineering Consultants who deliver ground breaking solutions at the forefront of industry best practice.

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Our Regions

Carbon Reduction Plan

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Our Commitment to Net Zero
Ayesa is committed to becoming a net zero engineering consultancy by 2040

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Stay Up-to-date

Stay on top of the latest developments, appointments, awards and more across all our offices.

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Featured News

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On 19th October 2023, ByrneLooby will rebrand to Ayesa

ByrneLooby will officially adopt the name of its parent company, Ayesa, a global engineering and technology services provider.

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Investing In Our People

Cultivating a culture in which individual differences and the contributions of our staff are recognised and valued.

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Our EDI Policy

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Celebrating People
Fostering a culture where you are encouraged to be yourself.

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International Presence

Multidisciplinary team comprising of specialists across Ireland, UK and the Middle East.

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Hazard Mapping, Risk Assessment and Due Diligence

Quality Advisory Services

The Ayesa team has a 20-year track record of delivering quality advisory services to help clients understand their exposure to risks (natural hazards and human-generated).  Our advice helps guide decision-making, secure permits and licences, inform operations and processes, and optimise infrastructure design. Hazard mapping and risk analysis are critical for assessing and quantifying your company’s exposure to potential threats.

Our environmental team can help companies

  • Limit exposure
  • Categorise hazards
  • Define procedures/plans to lessen any impacts


Our research helps clients manage:

  • Define procedures/plans to lessen any impactsClimate change
  • Mitigate Flood Risks
  • Evaluate sites for development
  • Guide infrastructure design 
  • Ensure regulatory compliance
  • identify and map contaminated land
  • Assist with landfill design and land remediation strategies
  • Manage waste facilities throughout all lifecycle phases including (landfill, Material Recycling Facilities (MRF), Mechanical Biological Treatment (MBT), In-Vessel Composting (IVC), Waste Combustion Processes, including energy from waste plants

Our survey, mapping, and modelling services support clients

  • Define procedures/plans to lessen any impactsBuilding development
  • Energy, environmental health and safety (EHS)
  • Sustainability planning
  • Our consulting also plays a crucial part in providing coherent and insightful due diligence.

Modelling and simulation

We apply modelling and simulation to study the quality and flow of water in rivers, lakes, seas and estuaries to mitigate risks such as flooding, pollution and contamination of surface water systems. 


Expertise In-Depth

- Buildings surveys
- Bioaerosol risk assessments
- Construction and Site Environmental Management Plan (CEMP)
- Oil Spill Contingency Plan (OSCP)
- Site inspections, surveying, monitoring and reporting
- Corporate environmental policy and management systems
- Emergency response plan - pollution and critical incidents
- Energy audit and consultancy
- Environmental due diligence
- Environmental risk assessment/audit
- Geographic Information Systems (GIS) and mapping
- Geomorphological, hydro-morphological studies
- Geological, hydrogeological and hydrological studies and risk assessments
- Groundwater contamination risk assessments
- Health and safety
- Health and social impact assessments
- Phase I (Environmental Site Assessment – ESA)
- Phase II investigations (sampling and monitoring)
- Phase III (Remediation plans)
- Risk assessment of leachate and landfill gas control systems
- Risk-based applications for site closure, permit surrender, transfer, variation, multi-facility permit consolidation and new permits.
- Technical due diligence
- Landfill gas risk assessments and carbon dioxide ICoP-based compliance limit reviews
- Waste stability and settlement risk assessments


We support your projects

Our goal is to provide you with the best services for your needs