Practice Areas
Jan is Global Mining and Commodities sector co-head and a Partner in the Corporate M&A group.
Jan specialises in corporate finance and M&A work, with an emphasis on businesses operating in the Mining and Commodities, Oil and Gas, energy, transport and infrastructure sectors, including cross-border and domestic acquisitions and disposals, joint ventures, equity and debt issues for public and private companies, private equity transactions, corporate restructurings and commercial agreements.
Jan is recognised as a leading lawyer by legal directories Chambers UK, Legal 500 UK and IFLR. In Legal 500 2025, Jan is ranked as a “Hall of Fame” lawyer and is described as a “technically excellent and commercially focused, corporate finance and M&A specialist”. He is also praised for his sector expertise: “The ability of Jan Mellmann to bridge the gap between UK legal requirements and mining industry realities makes him a first-class adviser.” Chambers UK 2025 notes that "Jan shows strong commitment to his client,” and “He finds solutions to make things work, particularly on cross-jurisdictional issues.”