John Lewis

'Very knowledgeable and provides excellent service, always commercial and always looking to find a solution'

— Chambers UK, 2020

John Lewis



I’m the Managing Partner of Mourant Ozannes (Guernsey) LLP and part of the Guernsey Corporate team. My particular interests and experience encompass:

  • private M&A, corporate transactions for private wealth/family offices, complex corporate reorganisations
  • fund financing, refinancing and restructuring, security enforcement
  • pensions, insurance (including reinsurance and captives) and FS regulatory advice

Before moving to Guernsey in 2002 I trained at Allen & Overy in London and worked in Sydney for Minter Ellison and ING Group.


  • Advocate – Guernsey bar
  • Solicitor - England and Wales (non-practising)
  • Solicitor - New South Wales (non-practising)
  • LLB (Hons) - University of Birmingham
  • LLM in Corporate, Commercial & Taxation Law - University of New South Wales


  • Guernsey Association of Pension Providers
  • International Pensions & Employee Benefits Law Association

Work highlights

  • Advising Deutsche Bank on the sale of its Global Trust Solutions business to Butterfield 
  • Advising the shareholders of Nerine on its acquisition by Praxis
  • Advising the personal trustees of a pension scheme for a non-profit organisation on its court-sanctioned restructure and withdrawal of related litigation
  • Advising on the transfer of Guernsey insurance business from Equitable Life to Utmost as part of the wider UK Part 26/Part VII schemes

What the directories say

John Lewis is listed in Legal 500 2022 as the 'go-to name' in the private wealth field. He is also recorded in the Hall of Fame and as a leading individual, key lawyer and practice head. 

'He is very responsive and delivers clear, concise advice', Chambers UK, 2021

Legal 500 2021 states 'John Lewis is responsive, commercial and pragmatic.'

John is very knowledgeable and provides excellent service." Chambers UK (2020). Chambers UK (2019) describes John as 'always commercial and always looking to find a solution'. He delivers 'very pragmatic and commercial advice, he always sees the business perspective' Chambers UK (2017).

Legal 500 UK (2019) lists John in the Hall of Fame for Banking and Finance and as a Leading Individual for Corporate and M&A and Insurance. He is described as 'commercial and practical', 'always provides excellent service and gives practical, well-researched advice' and is 'approachable, commercial and understanding'.

John Lewis is ranked as Highly Regarded in IFLR1000 UK (2020).

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