John Lewis > Mourant > St Peter Port, Guernsey > Lawyer Profile

John Lewis photo

Work Department

Banking and finance, corporate, funds, insolvency and restructuring, insurance, financial services and regulatory.


John is a partner who has been advising the financial services industry in Guernsey, the UK and Australia for over 20 years. He specialises in corporate, banking and finance, and funds matters, and has substantial experience in trusts, pensions and insurance. Highlight deals: John has advised on: The Royal Bank of Scotland plc – £907m credit facility to Propinvest Group involving due diligence on 28 Guernsey entities; Aviva – insurance transfer scheme sanctioned by the Royal Court of Guernsey to give effect to Aviva’s reattribution of its inherited estate. Celsius Solutions PCC Limited – programme of preference share issues arranged by Barclays Capital.

What the directories say:
(IFLR1000, 2016) ranks John Lewis as a Leading Lawyer in Banking, Capital Markets, Financial Services Regulatory, Investment Funds, Corporate and M&A, Restructuring and Insolvency.
The “consistently very good” John Lewis is ranked as a Leading individual and recommended in Insurance and Commercial & Banking by (Legal 500 UK, 2015). “John Lewis is ‘knowledgeable and approachable'” (Legal 500 UK, 2015). (IFLR 1000, 2014) ranks John as a Leading Lawyer.
“One peer asserts that John Lewis is ‘someone I would turn to myself’,” (Chambers UK, 2013).


Trained Allen & Overy, London and Brussels, qualified into the financial services regulatory group; in-house experience with the ING Group for three years; moved back to private practice with Minter Ellison, Sydney; solicitor of the Supreme Court of England and Wales 1993 (currently non-practising); legal practitioner of the Supreme Court of New South Wales 1996 (currently non – practising); solicitor of the High Court of Australia 1996 (currently non-practising); advocate of the Guernsey Bar 2006.


John is a member of IPEBLA (International Pension & Employee Benefit Lawyers Association), on the committee of GAPP (Guernsey Association of Pension Providers) and a director and secretary of the Guernsey Rugby Association.


University of Birmingham (1989 LLB Hons); University of New South Wales (2000 LLM corporate, commercial and taxation law); Glasgow Caledonian University (2003 certificate in captive insurance management); Universite de Caen (2005 certificat d’Etudes Juridiques Francaises et Normandes).

Lawyer Rankings

Guernsey > Banking and finance

(Hall of Fame)

John LewisMourant Ozannes

Mourant has expertise in fund finance, acting for both managers and banks, as well as real estate finance, including structured deals and work for non-bank lenders. M&A acquisition finance and shipping finance are more niche areas in which the firm has handled deals. Caroline Chan has a track record of handling sensitive restructurings as well as real estate finance, while Darren Bacon and John Lewis are active in fund financing transactions for well-known borrowers. Helen Wyatt focuses on banking sector transactions against highly complex regulatory backdrops. Frances Watson also acts for borrowers and lenders, including non-bank lenders, with John Rochester particularly active in UK real estate deals. Dylan Latimer, previously a counsel at the firm, is now a partner at Bedell Cristin.

Guernsey > Insurance

(Leading individuals)

John LewisMourant

Mourant has a particular strength in handling long-term insurance policy transfers, with the team being instructed by leading insurance companies on some of the most significant recent deals. John Lewis and Helen Wyatt are recognised as leading lawyers in the insurance field, regularly advising on the structuring and acquisition of captive insurance vehicles, insurance-linked securities and regulatory elements of corporate transactions. The client list is comprised of multinational insurance companies and locally-held captive insurance companies, while Gordon Dawes and Chantal Barrett are the names to note for insurance-related litigation.

Guernsey > Corporate and M&A

(Leading individuals)

John LewisMourant

Mourant covers the range of Guernsey corporate work, from Guernsey corporate structures holding UK real estate through to locally significant deals with assets on-island. Darren Bacon‘s practice includes Guernsey elements of heavyweight UK real estate deals, as well as public M&A. John Lewis  is another notable for real estate work. Helen Wyatt has expertise in corporate service provider deals, and handles work for leading names in private equity and their portfolio companies. John Rochester is also active in heavyweight deals in highly regulated sectors, including public M&A, as is Frances Watson. Counsel Alex Davies has a track record in doing public M&A, as has senior associate Alana Gillies.