Keystone Advisory Associates delivers science-based environmental advisory for infrastructure, energy, and industrial projects across Turkey and internationally.
A multidisciplinary consultancy dedicated to science-based environmental, social and climate risk advisory for complex projects seeking international finance.
Keystone Advisory Associates is a multidisciplinary environmental and sustainability consultancy with founding Directors based in Istanbul, Frankfurt and London. We provide science-based advisory services to developers, investors, financial institutions, and operators working on complex infrastructure, energy, and industrial projects across the region and internationally.
Our team combines environmental engineering, hydrogeology, ecology, risk assessment and ESG expertise with deep practical experience in demanding project environments. We bring experience working both for lenders and for project developers and operators seeking finance, supporting them through permitting, construction and operational monitoring phases.
To leverage our extensive experience in project finance to deliver solutions that achieve financing efficiently and without undue delays or cost overruns. Our early involvement helps de-risk the E&S dimensions of project scheduling and protects project cash flow.
To deliver rigorous, independent and pragmatic environmental advisory that enables responsible project development — combining technical excellence with practical field experience and genuine commitment to sustainability.
We support project developers and lenders in navigating environmental, social and climate risk. Click any element of the framework to see the corresponding service.
From early-stage scoping and impact assessment through to construction monitoring and operational compliance.
Environmental advisory for infrastructure development projects.
Environmental compliance and risk management for oil and gas operations.
Sustainability consulting for power generation and energy transition projects.
Environmental management for industrial facilities and manufacturing.
A selection of landmark projects delivered by Keystone's founding Directors over their careers — prior to the establishment of Keystone Advisory Associates — across infrastructure, energy, oil & gas, mining and industry worldwide.
Three senior environmental professionals with complementary expertise and a shared commitment to independent, evidence-based advisory.
Three senior environmental professionals with complementary expertise and a shared commitment to independent, evidence-based advisory.
Professor of Civil Engineering at Bogazici University and environmental consultant with 30 years of experience in ESIA, EHS due diligence and contaminated site remediation. Extensive EBRD, IFC, EIB and AFD project experience across Turkey and internationally.
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Geologist and environmental consultant with 40+ years of international experience. Former Senior Environmental Advisor at EBRD for over 20 years, leading E&S due diligence for the natural resources sector. SPE Distinguished Lecturer and former BBOP Executive Committee member.
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Environmental consultant with 40+ years in project finance, ESDD and ESIA. Former Partner at ERM Germany for 20 years, leading landmark mandates including the Çanakkale Bridge and Siemens' 14.4 GW CCGT programme in Egypt. Senior E&S Expert at KfW Bank in 2024.
Download CVKeystone works with a select group of senior associate specialists across environmental engineering, ecology, hydrogeology, social assessment and ESG — enabling us to assemble the right team for each mandate.
Whether you are a developer seeking independent E&S advisory, a lender requiring due diligence support, or an institution looking for monitoring and verification services — we would be glad to discuss how Keystone can help.