Portrait of Simona Castellini

Simona Castellini : Senior Consultant

Simona is a member of Oxera’s Competition and Analytics teams. She has advised clients in cases involving horizontal and vertical agreements, abuse of dominance (including in the context of private litigation), regulatory appeals, mergers and market investigations by the Competition and Markets Authority (CMA), the Italian competition authority (ICA) and other competition and regulatory authorities in Europe.

Simona is also highly experienced in applying quantitative techniques for analysing efficiency arguments in regulatory and competition settings. She has worked on these issues across a broad range of sectors including financial services, water, energy and retail.

Simona speaks English, Italian, and French.

Tel: +44 (0) 20 7776 6689

Simona's specialisms include:

professional experience

  • Advice to a consortium for the collection, recycling and recovery of plastic packaging in the context of an investigation by the ICA into an alleged breach of Article 102 (2020–)

  • Advice to an Italian wholesaler regarding a damages claim against a cartelist in cosmetic products (2020–)

  • Assisting a UK water company in its appeal to the CMA regarding the regulator’s approach to cost assessment (2020–)

  • Advice to Intesa Sanpaolo on its acquisition of UBI Banca, which was cleared with commitments by the ICA (2020)

  • Quantification of the damages suffered by a provider of cash-handling services due to exclusivity agreements (2020)

  • Advice to a gas company on the impact of unbundling on competition in Finland (2020)


  • MSc Economic and Social Sciences, Bocconi University, Milan, Italy

  • BA International Economics, University of Padua, Padua, Italy

Latest Insights:  Simona Castellini

The Economics of Climate Change at COP26

Oxera will be presenting on The Economics of Climate Change at COP26—the 2021 United Nations Climate Change Conference—in Glasgow, on one of the world leaders’ days on 2 November 2021. The aim of COP26 is to increase global alignment on climate action. We will be demonstrating to the world’s governments,… Read More

Image depicting The Economics of Climate Change at COP26