Cecilia Siac

+44 (0) 1382 384300
Honorary Associate


Cecilia Siac is an international mining law lawyer, listed in the 1999 through to 2006 UK publications “The International Who’s Who of Mining Lawyers”. She has more than 23 years of professional experience, in particular in the field of mining law and regulations, mining contracts, mining cadastres and due diligence in Africa, Europe and Latin America. She provides advice to mining companies, governments, the World Bank and other international organizations (such as the International Council on Mining and Metals, the International Development Law Organization, the United Nations) in connection with foreign investment matters, legislation, regulations and policies on natural resources, privatization of state-owned concerns, public tenders, licensing, staking and permitting, drafting and negotiation of mineral agreements; she carries out due diligence review processes and renders consulting services for international mining transactions in connection with mineral title matters and legal opinions, legal audits, judicial and arbitral proceedings, M&A, Initial Public Offerings, and so on.

Ms. Siac has been involved in several World Bank projects; in 2001, she completed a review and assessment of the legal situation of exploration and mining licences and the restructuring of the Mining Cadastre in the Democratic Republic of Congo (“DRC”); she provided consulting services to the DRC government in connection with the process for the validation of old exploration and mining titles under the new legal framework, the setting up of a new Mining Cadastre, and in connection with certain mining agreements signed by the state-owned mining entity with foreign mining companies. In 2002, she participated in the revision and drafting of the new Mining Code of the DRC and the revision of the entire new Mining Regulations. From 2004 until 2006, she carried out the legal audit of the DRC state-owned mining company Gecamines, to provide advice and recommendations to the DRC government on all the contracts entered into by the company with a view to renegotiate them and to restructure and/or privatize the company. In 2010, she became the legal advisor to the government of Zambia in connection with the New Mining Act and New Mining Regulations, mineral titles, royalties and mining agreements. Most recently, in 2014, she advised the Minister of Mines of Kenya regarding the new Mining Act and the new Mining Policy (UK Development Agency Project), and since March 2015 she has been advising the Minister of Mines of Madagascar on the legal reform of the mining sector (World Bank Project).

In addition, since 1991 she has been advising numerous exploration and mining companies in connection with their mineral title issues, licences/permits, mining contracts, corporate matters, legal disputes, including dealing with governments at the highest level, in the Democratic Republic of Congo, Zambia, Namibia, Kenya, South Africa, Uganda, the Central African Republic, Niger, Morocco, Burkina Faso, Liberia, Guinea, Ivory Coast, Cameroon, Zimbabwe, Madagascar and Angola, as well as in Latin America (Argentina, Chile, Brazil, Peru, Ecuador, Colombia, Venezuela, Uruguay, Mexico, Guatemala, Honduras, Panama, Haiti, Brazil, El Salvador, Nicaragua and Cuba).

During the past several years, she has been lecturing on mining law, mining contracts and legal due diligence for international mining transactions at the Canadian Bar Association, the International Development Law Organisation in Rome, the Organization of American States, the Lawyers’ Forum of the World Bank, and the University of Toronto, Faculty of Geology; she has been lecturing on the above subjects at the University of Dundee, Scotland where she is an Honorary Associate since 1997. She is the author of two publications on mining laws and mining cadastres in developing countries and due diligence for international mining transactions.

Cecilia is fluent in English, Spanish, French, Italian, German, Romanian and Portuguese.