James Clayton-Payne advises clients on complex, cross-border transactions including mergers and acquisitions, divestments, joint ventures, and venture capital financings across the Asia region and all sectors. Drawing on more than a decade of on-the-ground experience working in Asia, Mr. Clayton-Payne serves a range of private equity and venture capital firms, financial institutions, sovereign wealth funds, companies, family offices, and government entities doing business in the region, especially in Southeast Asia and India. He handles matters involving a multitude of industries, with a particular focus on infrastructure, financial services, technology, power, oil and gas, and natural resources.

Based in Asia since 2010, Mr. Clayton-Payne has practiced in London, Hong Kong, and Singapore.

James is recognized as one of five Next Generation M&A lawyers by The Legal 500, a Rising Star by IFLR1000, an Up and Coming lawyer by Chambers Asia-Pacific, and was recently recognized as one of three Asia Future Leaders for M&A by IFLR1000.

Mr. Clayton-Payne’s experience includes advising:

  • Gojek on several of its recent acquisitions and joint ventures, including its joint venture with Air Asia, its e-commerce joint venture with JD.com and its Series A fundraise for GoPlay*
  • Investcorp on its acquisition of a majority interest in Viz Branz, a distributor of F&B brands across China and Southeast Asia*
  • PETRONAS on Saudi Aramco’s US$8 billion investment in the RAPID Refinery and Petrochemical project in Malaysia*
  • Frontier Tower Associates Philippines on its joint venture with KKR to establish a telecom tower platform across Southeast Asia*
  • MIND ID on its acquisition of an interest in PT Vale Indonesia, the largest nickel producer in Indonesia, from Vale and Sumitomo*
  • I Squared Capital on its acquisition of a majority interest in cloud computing companies Mateen Cloud Ventures and Infofabrica Holdings*
  • Vena Energy on certain renewables joint ventures in the Philippines*
  • Caisse de dépôt et placement du Québec (CDPQ) on its acquisition of a minority interest in CLP India Private Limited*
  • Ontario Teachers’ Pension Plan on its investment into Spandana, an Indian microfinance company*
  • Pertamina on its strategic M&A opportunities in Asia*
  • PTTEP on its acquisition of Partex Holding B.V. from Lisbon-based Calouste Gulbenkian Foundation*
  • Standard Chartered, CIMB, DBS Bank, Friends Provident, and Citibank on their exclusive pan-Asian bancassurance arrangements*

*Matter handled prior to joining Latham

Bar Qualification

  • England and Wales (Solicitor)


  • LPC, Oxford Institute of Legal Practice
  • GDL, Oxford Brookes University
  • BA, Durham University

Languages Spoken

  • English