Irish firms in London in London

William Fry

Practising exclusively in Irish law, William Fry has an 'extremely knowledgeable' and 'technically proficient' London-based team, handling a corporate-driven workload. The office is headed up by Ivor Banim, who particularly stands out for his focus on private M&A, corporate governance, fundraisings, joint ventures and shareholder structuring matters. The corporate team also includes Brian Butterwick, who is experienced in public and private M&A and IPOs. As a result of both Brexit and Covid-19, the team had a significantly busy year in transactional work, restructurings, venture capital and general debt and corporate matters. Lorena Dunne, who specialises in asset management and investment funds, is also a key contact. In addition, the 'hugely talented and experiencedMatthew Cahill joined the firm in May 2020 from gunnercooke LLP as a partner in the banking and finance group and head of structured finance, securitisation and debt capital markets, bringing the number of London partners up to four.

Practice head(s):

Ivor Banim

Other key lawyers:

Brian Butterwick; Lorena Dunne; Matthew Cahill


‘The team is extremely knowledgeable in technical areas, while also very reliable versus tight deadlines. Technical information was imparted in simple and effective terms, which aided processes on the client side. The team shows a strong gender balance also. They are technically proficient, extremely organised, very personable and easy to work alongside, and have a strong work ethic. Lorena Dunne is the embodiment of this.’

‘Matthew Cahill is a hugely talented, experienced and knowledgeable debt capital markets lawyer. He combines legal expertise with a deep commercial understanding.’

‘Matthew Cahill really knows his stuff. He is lovely to work with and open and helpful.’

‘Irish firm with a City mentality.’

‘Ivor Banim is charming and smart. Lorena Dunne is excellent on detail and commercial.’

‘William Fry are an invaluable resource when it comes to legal knowledge and advice. The individual experts with the William Fry team help with the navigation through the vagaries of normal business in Ireland and globally. The firm’s attention to detail is unsurpassed. They stand out for their collaborative skills and the transparency of all aspects of the billing process.’

‘They are always available. They always want to understand the client’s business and its key drivers, and there is a cohesive and aligned approach from all areas involved. They stand out for their expertise and knowledge of the banking and finance-structured finance sector.’

‘Open-minded and flexible approach in terms of agreeing the best collaboration method to meet the client’s expectations.’

Key clients

Smurfit Kappa



DCC plc

Edwards Lifesciences plc


York Capital Management

Lazard Asset Management

Mayfair Equity Partners

Value Retail

Phoenix Group

Barclays Bank plc

Uniphar plc

U and I Group PLC (formerly Development Securities plc)

Sands Capital

Davy Group


RBC Capital Markets

The Carlyle Group

Credit Suisse International

Pollen Street Capital

International Chemical Investors Group

T Stamp Inc.

Alpine Investors


Towerbrook Capital

August Equity Partners

Gresham House Asset Management


Work highlights

  • Advising Credit Suisse Securities (USA) LLC on its role as financial adviser to Aon plc in respect of its $80bn proposed merger with Willis Towers Watson plc.
  • Assisted Towerbrook Capital Partners with the incorporation of an SPV in Ireland to be used for the purposes of on-lending to UK-based real estate developers.
  • Advised the Sysnet Group in relation to all Irish law aspects of financing the acquisition of the three US target companies.

A&L Goodbody LLP

Stephen Carson is A&L Goodbody LLP's key partner in London. His practice mainly focuses on asset management and investment funds matters.

Arthur Cox

Arthur Cox's London team is led by David Molloy and focuses on domestic and cross-border financial transactions.

McCann FitzGerald LLP

Hugh Beattie and Éamon Ó Cuív are the key contacts in McCann FitzGerald LLP's London office. Their team focuses on a wide range of financial matters, including funds, debt capital markets, structured finance and financial regulation.