Environmental Impact Assessment (EIA)
Multi jurisdiction EIA, ESIA and SEA studies built to IFC Performance Standards, Equator Principles 4 and national regulator grade
Environmental Impact
Assessment (EIA)
Environmental impact assessment has grown from a regulatory checkbox into a load bearing strategic input for project finance, lender environmental due diligence and increasingly the scrutiny of ESG investors. The discipline spans national frameworks such as US NEPA, the EU EIA Directive with its amendments, the Indian MoEFCC notification, Brazil CONAMA, China MEE and the UK Town and Country Planning regime, international lender frameworks such as the IFC Performance Standards 1 to 8, the World Bank Environmental and Social Framework, Equator Principles 4 and the ADB Safeguard Policy Statement, and project specific overlays such as TNFD nature related disclosure, the IFC Performance Standard 6 biodiversity hierarchy and the ISO 14001 and 14091 climate impact standards. Our environmental and social impact assessment practice integrates baseline studies that usually run a full twelve month seasonal cycle, impact prediction modelling using AERMOD and CALPUFF for air, MIKE and Delft3D for water, ENVI met for urban microclimate and recognised biodiversity index methods, application of the mitigation hierarchy from avoid through minimise and restore to offset, residual impact assessment against significance thresholds and development of an environmental and social management plan that survives the scrutiny of the Construction Supervision Engineer and the Lender's Independent Engineer throughout construction.

Our implementation model
A practical, phased delivery approach that runs from gap assessment through operational embedding and is built around your regulatory context.
Conduct screening per IFC PS 1 / Equator Principles 4 / EU EIA Directive 2014/52/EU, IFC Category A / B / C, EU Annex I / II, develop Terms of Reference (ToR) with stakeholder identification and scoping workshop.
Conduct baseline studies, air quality (PM10 / PM2.5 / SO₂ / NOx, 12 month), water (surface / ground, seasonal sampling), biodiversity (flora, fauna, habitat per IFC PS 6), noise (LAeq baseline), socio economic, align with IFC EHS Guidelines.
Model impacts, air (AERMOD, CALPUFF, ADMS), water (MIKE, Delft3D, HEC RAS), noise (IMMI, SoundPLAN), biodiversity (offset calculator per IFC PS 6), cumulative / trans boundary per Espoo Convention, climate per ISO 14091 / TNFD.
Apply mitigation hierarchy per IFC PS, Avoid > Minimise > Restore > Offset, document residual impact significance per matrix (negligible / minor / moderate / major / significant), align with IFC PS 6 net positive biodiversity goal.
Author Environmental & Social Management Plan with mitigation measures, monitoring frequency, KPI targets, responsible roles, specify CSE (Construction Supervision Engineer) / LIE (Lender's Independent Engineer) interface.
Conduct stakeholder engagement per IFC PS 1, early disclosure, meaningful consultation, grievance mechanism, compile disclosure package per IFC / EP4 / national regulator requirements, align with TNFD nature related disclosure.
Environmental Impact in full scope

Value of Environmental Impact Assessment (EIA)
- We surface environmental hazards and the proximity of community receptors before construction begins
- We drive realistic adoption of the mitigation hierarchy
- We protect sensitive ecosystems and downstream communities
- We anchor your social licence to operate from the very start of the project
- Your national notification holds up across multi jurisdiction operations
- Your assessment is ready for financiers under the IFC Performance Standards, the World Bank ESF and Equator Principles 4
- It withstands examination by the Lender's Independent Engineer and the independent environmental and social specialist
- It aligns with the TNFD nature related disclosure expectation
- We provide baseline data for your operational monitoring and ESG disclosure
- We define your environmental KPIs from the start of the project
- We integrate the management plan into project execution and Construction Supervision Engineer oversight
- We tighten the environmental controls on your construction contractors
- You avoid the three to eighteen month delays that non compliance typically brings
- You reduce post build remediation and stakeholder litigation
- You unlock green and blended finance through IFC and Equator alignment
- You lower your insurance premiums on environmental liability exposure
Codes & standards we work to
Triggers that signal the need
Where Environmental Impact Assessment (EIA) applies
Process chemical plants, specialty chemical sites, and industrial parks requiring EHS management systems.
Upstream, midstream, and downstream facilities with complex EHS and regulatory requirements.
cGMP regulated facilities requiring integrated EHS, occupational hygiene, and sustainability programmes.
Extractive industry operations with dust, noise, chemical, and environmental compliance obligations.
Power plants, renewable energy facilities, and utilities with environmental permit obligations.
Manufacturing sites requiring chemical safety, waste compliance, and ESG reporting programmes.
Tangible deliverables
- An EIA or ESIA report with the full chapter structure of the IFC or national framework
- A baseline environmental and social data report
- Impact prediction modelling outputs from AERMOD, MIKE and the biodiversity methods
- A cumulative and trans boundary impact assessment
- An environmental and social management plan with KPIs, monitoring and the engineer interface
- A stakeholder engagement record
- A lender disclosure pack aligned to the IFC Performance Standards and Equator Principles 4
- A biodiversity offset and restoration plan to IFC Performance Standard 6
- A climate impact overlay to ISO 14091 and TNFD
Ready to start your project?
Speak with our team to scope an engagement tailored to your facility, regulatory context, and lifecycle stage.