Jan Mellmann
Partner London
JAN LEADS THE FIRM’S MINING OFFERING AND IS A PARTNER IN THE CORPORATE AND 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, infrastructure and transport 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”.
- Advising Celsius Resources Limited on its admission to trading on the AIM market of the London Stock Exchange and connected fundraising, which was the first AIM IPO in 2023.
- Advising CREDITAS Group on its acquisition of InterGen Projects (UK) Limited and its UK business from InterGen’s parent company. The acquisition included three operational CCGT plants and one OCGT plant with a combined capacity of 2,800 MW as well as a 450 MW battery storage project.
- Advising the Republic of Guinea on the US$15bn Simandou project, the world's largest mining and related rail and port infrastructure project.
- Advising Stadtwerke München on its participation in the Awel y Mor offshore windfarm extension project (anticipated to be over 500MW) with RWE and Siemens Project Ventures.
- Advised Chaarat Gold Holdings Limited on its acquisition of the polymetallic Kapan mine in Armenia from the Polymetal International PLC group, constituting a reverse takeover under the AIM Rules, and related re-admission to AIM.
Education
- 1982 – 1985 · London School of Economics, University of London, LLB Hons
memberships & associations
- British Chamber of Industry & Commerce
- ArticleDevelopments in the London listing markets: PISCES and new UK prospectus regime
- ArticleIndaba 2025: Allegations of corruption and fraud in investment treaty arbitration
- ArticleIndaba 2025: Commencing ISDS Claims, Seeking Remedies and Enforcing Awards in Africa
- ArticleDevelopments in the London listing markets: new directors’ code of conduct and QCA update
- ArticleIndaba 2025: Treaty Protections for Resource Investments in Africa