Des Kelly

Des Kelly

Des Kelly, MSc FGS, is a Principal Consultant for Geosyntec Consultants in the UK with more than 23 years of experience in environmental liability assessment and management, working for industrial clients, developers, lawyers and clients from the financial sector.  In addition, Des has considerable programme and risk management experience during decommissioning of chemical plants making him a leading consultant in this field in the UK. 

Des has managed numerous liability assessment programmes including large-scale portfolios of sites in a wide range of industries including oil and gas, chemical and pharmaceutical, energy, mining, waste management, and general manufacturing.  Experience in environmental due diligence, site assessment and corrective action has been gained in the UK, Europe, Africa, and Australia.


Office: +44 0 203 725 8128
Mobile: +44 0 754 140 0628 
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Selected references

Environmental Due Diligence Audits: Assessment of decommissioning and environmental liabilities at a large State owned chemical manufacturing facility in Romania to support asset valuation programme.  Assessment of health, safety and environmental liabilities associated with decommissioning an oil refinery in Belgium.  Assessment of three operational chemical manufacturing facilities in Northern England to provide remedial cost estimates under redevelopment scenarios to produce net realisable land values.

Environmental Permitting: Project director for over 25 environmental permit baseline assessments within the organic chemical sector.  Environmental permit surrender, corrective action and liaison with regulators prior to site closure.

Site Assessment & Remediation: Assessment of soil and groundwater liabilities at numerous industrial facilities including oil refineries, chemical & pharmaceutical plants, power stations, rail yards, manufactured gas plants, military establishments, bulk liquid storage depots and hazardous waste facilities.  Application of a wide range of in-situ and ex-situ remedial techniques to mitigate environmental risk.

Site closure/decommissioning: Retained by Insolvency Practitioners to manage site closure, decommissioning and in-situ remediation of a pharmaceutical manufacturing business prior to surrender of the environmental permit.  Programme management and interim site operator role during closure of a 55-Acre toll chemical manufacturing facility. Programme management during wind down and closure of a 150-Acre chemical plant prior to remediation and redevelopment.

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About Us

CAT Alliance Ltd. is an international business consultancy, supporting global transactions and other corporate assessments of environmental, engineering, and other risks services from Europe, the Americas, and Asia. Meeting the challenges of business in the current financial climate requires a responsive and technically grounded approach focused on the needs of your organization.

Contact Information

The following individuals represent the CAT Alliance Ltd. Management Group.  Please contact any one of them for more information about your project:

Mike Berman
1220 19th Street
Suite 210
Washington, DC 20036
+1 202 370 4348

Sebastian Katsch
Richard-Löchel-Straße 9
47441 Moers
+49 (28) 41 14 90 21

Des Kelly
Bevis Marks House
24 Bevis Marks
London EC3A 7JB
United Kingdom
+44 0203 725 8128

Søren Viegand
Parallelvej 2
DK-2800 Kongens Lyngby
+45 56 40 22 69