Iain Duncan



T +44 20 7825 3137
M +44 7921 584 334

General Experience

Iain is a partner in the London office in the Corporate and Commercial department. He has extensive experience of advising on projects/transactions around the world in the mining, power and infrastructure sectors.

In these sectors, he has acted upon a wide range of projects, joint ventures, acquisitions/disposals and finance (including prepay, stream and royalty finance), construction and offtake arrangements, as well as on development/investment agreements with host governments. Clients note that Iain “has a good understanding of projects and attendant risks, and he is good at finding solutions to problems” (Chambers and Partners 2014), that he “is really driven, works night and day on deals and is great on the documents” (Chambers and Partners 2016), and is “diligent and experienced and a lawyer who listens well and understands” (Chambers and Partners 2017).

Iain has spent six months on secondment at an international energy/natural resources major.

He regularly speaks at or chairs international conferences in the energy and natural resources sector and also sits on the Council for MinSouth (the London based society for the Institute of Materials, Minerals and Mining). He is also an adviser to the Business Council for Africa.

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Recent Work
  • mining - advising Orion Mine Finance on its joint venture (known as Lynx Resources) with Fusion Capital and on the acquisition and financing of the SASA lead and zinc mine in Macedonia by Lynx Resources and its subsequent sale (by way of reverse takeover) to Central Asia Metals; on offtake and financing arrangements relating to Weatherly International’s copper projects in Namibia; Mondo Minerals on its projects in Finland; De Beers in relation to purchasing arrangements in West Africa; a Russian based investor on a uranium mining JV in Mongolia; a Chinese mining company on the acquisition and development of a coal project in Mongolia; Sumatra Copper & Gold plc on its mining projects in Indonesia (including in relation to its local partnering and financing arrangements); a major mining company on the acquisition of a coal project in Mozambique and iron ore projects in Cameroon and the Republic of Congo; a mining investment fund on mining royalty (including iron ore, copper and gold) financings; a Chinese corporate on the acquisition of copper assets in Zambia; and an international company on its bid to secure mining rights in Kosovo to supply lignite to a 1.2 GW power project
  • power - advising Mainstream Renewable Power on its $1.4bn joint venture with pan-emerging markets investor Actis for delivering 600 MW of wind and solar projects in Chile, on its $1.9bn pan-Africa renewable power joint venture (known as Lekela) with Actis and on a £177.5m equity investment from a number of institutional investors (including the IFC, the Rockefeller Brothers Fund, Ascension and Sanlam) to provide funding for Lekela; E.ON on the sale of its interest in a gas power project in Turkey; AES Corporation on the development and financing of the 216 MW gas fired Kribi IPP in Cameroon; a major international power company on the sale of its power projects throughout Africa; the Energy Technologies Institute (a public-private corporate joint venture, that creates clean energy projects) on project development issues; and several PE houses on the acquisition, financing and development of solar PV projects in the UK
  • infrastructure - advising: Teesside Gas and Liquids Processing on a project with (among others) RWE in relation to the construction and operation of a new pipeline and related infrastructure to process North Sea gas from the Breagh field, in relation to gas processing, allocation, O&M and offtake agreements and on its sale to Arclight Capital Partners; on the acquisition and development of rail and port infrastructure for several mining companies in Africa; Network Rail on the High Speed 1 rail link; TfL on the implementation and operation of the London Congestion Charging Scheme and the London Low Emissions Zone; the MoD on the multi-billion pound Defence Training Review Rationalisation PFI Project; ITOCHU on its participation (through a JV company) in the Cornwall Integrated Waste Management PFI project; and on the development and financing of wastewater treatment plants throughout the UK.

Iain joined Simmons & Simmons as a trainee in 2002, qualifying into the firm’s corporate and commercial department in 2004 and becoming a partner in 2012.

Iain studied his Bachelor of Laws degree at Newcastle University and undertook the Legal Practice Course at the College of Law, York.