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Key contacts
Managing Partner: Donnacha O'Connor
Quick facts
Number of partners

40

Number of lawyers

92

Network memberships

Irish Funds, Law Society of Ireland

Languages

English, French, German, Italian, Irish, Malay, Spanish

Key practice areas
Banking and finance
Banking
Project finance
Capital markets
Capital markets : Debt
Capital markets : Equity
Capital markets : Structured finance and securitisation
Financial and corporate
Financial services regulatory
Investment funds
Corporate and M&A
Restructuring and insolvency
M&A
Asset finance
Firm overview

Dillon Eustace LLP is a leading multi-disciplinary commercial law firm. We advise our clients on Irish and Cayman Islands law from our offices in Dublin, Cayman Islands and New York.

Our dynamic team of lawyers represents international and domestic clients including financial institutions, investors, asset managers, private equity firms, investment fund promoters, banks, corporates, insurance companies, government, public and supranational bodies, real estate developers, insurance companies as well as newspapers, aviation and maritime industry participants.

Key practice areas
  • Asset finance
  • Banking
  • Capital markets: Debt
  • Capital markets: Derivatives
  • Capital markets: High yield
  • Financial restructuring
  • Financial services regulatory
  • Hedge funds
  • Investment funds
  • M&A
  • Private equity funds
  • Private equity
  • Real estate finance
  • Real estate funds
  • Restructuring and insolvency
  • Securitisation
  • Structured finance/securitisation
  • Trade finance
Address:
33 Sir John Rogerson's Quay
Dublin 2
D02 XK09
Tel:+353 1 667 0022 Email:Contact Us Web Address:https://www.dilloneustace.com
2026 Edition
Asset finance
Notable
10 firms ranked
View full list

Tier 1

A&L Goodbody
15 practice areas
View full profile
Matheson LLP
15 practice areas
View full profile
McCann FitzGerald LLP
15 practice areas
View full profile

Tier 2

Arthur Cox
15 practice areas
View full profile
Maples Group
16 practice areas
View profile
Mason Hayes & Curran
15 practice areas
View full profile
Walkers
12 practice areas
View full profile
William Fry
15 practice areas
View full profile

Notable

Dillon Eustace
14 practice areas
View full profile
Flynn O'Driscoll
3 practice areas
View full profile
Banking
Tier 3
27 firms ranked
View full list

Tier 1

A&L Goodbody
15 practice areas
View full profile
Arthur Cox
15 practice areas
View full profile
Mason Hayes & Curran
15 practice areas
View full profile
Matheson LLP
15 practice areas
View full profile
McCann FitzGerald LLP
15 practice areas
View full profile

Tier 2

Maples Group
16 practice areas
View profile
William Fry
15 practice areas
View full profile

Tier 3

Byrne Wallace Shields
8 practice areas
View profile
Dillon Eustace
14 practice areas
View full profile
Eversheds Sutherland
5 practice areas
View profile
Walkers
12 practice areas
View full profile

Tier 4

Addleshaw Goddard
7 practice areas
View profile
BHSM LLP incorporating OBH Partners
4 practice areas
View full profile
Beauchamps Solicitors
7 practice areas
View profile
Dentons
5 practice areas
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Flynn O'Driscoll
3 practice areas
View full profile
Hayes solicitors
4 practice areas
View profile
Ogier
7 practice areas
View full profile
Philip Lee
6 practice areas
View profile
Ronan Daly Jermyn
5 practice areas
View profile

Notable

AMOSS Solicitors
3 practice areas
View profile
DLA Piper
3 practice areas
View profile
Gartlan Furey Solicitors
1 practice area
View profile
Holmes O’Malley Sexton
3 practice areas
View profile
Pinsent Masons
7 practice areas
View profile
Simmons & Simmons
3 practice areas
View profile
Taylor Wessing
2 practice areas
View profile
Capital markets : Debt
Tier 3
10 firms ranked
View full list

Tier 1

A&L Goodbody
15 practice areas
View full profile
Arthur Cox
15 practice areas
View full profile
Matheson LLP
15 practice areas
View full profile
McCann FitzGerald LLP
15 practice areas
View full profile

Tier 2

Maples Group
16 practice areas
View profile
Mason Hayes & Curran
15 practice areas
View full profile
Walkers
12 practice areas
View full profile
William Fry
15 practice areas
View full profile

Tier 3

Dillon Eustace
14 practice areas
View full profile

Notable

Ogier
7 practice areas
View full profile
Capital markets : Structured finance and securitisation
Tier 2
10 firms ranked
View full list

Tier 1

A&L Goodbody
15 practice areas
View full profile
Arthur Cox
15 practice areas
View full profile
Maples Group
16 practice areas
View profile
Matheson LLP
15 practice areas
View full profile
McCann FitzGerald LLP
15 practice areas
View full profile
Walkers
12 practice areas
View full profile

Tier 2

Dillon Eustace
14 practice areas
View full profile
Mason Hayes & Curran
15 practice areas
View full profile
William Fry
15 practice areas
View full profile

Notable

Ogier
7 practice areas
View full profile
Financial services regulatory
Tier 2
12 firms ranked
View full list

Tier 1

A&L Goodbody
15 practice areas
View full profile
Arthur Cox
15 practice areas
View full profile
Matheson LLP
15 practice areas
View full profile
McCann FitzGerald LLP
15 practice areas
View full profile
William Fry
15 practice areas
View full profile

Tier 2

Dillon Eustace
14 practice areas
View full profile
Maples Group
16 practice areas
View profile
Mason Hayes & Curran
15 practice areas
View full profile
Walkers
12 practice areas
View full profile

Tier 3

Hogan Lovells Cadwalader
2 practice areas
View profile

Notable

Addleshaw Goddard
7 practice areas
View profile
Byrne Wallace Shields
8 practice areas
View profile
Investment funds
Tier 1
15 firms ranked
View full list

Tier 1

A&L Goodbody
15 practice areas
View full profile
Arthur Cox
15 practice areas
View full profile
Dillon Eustace
14 practice areas
View full profile
Maples Group
16 practice areas
View profile
Matheson LLP
15 practice areas
View full profile
McCann FitzGerald LLP
15 practice areas
View full profile

Tier 2

Walkers
12 practice areas
View full profile
William Fry
15 practice areas
View full profile

Tier 3

Dechert
2 practice areas
View profile
Mason Hayes & Curran
15 practice areas
View full profile
Simmons & Simmons
3 practice areas
View profile

Notable

Byrne Wallace Shields
8 practice areas
View profile
K&L Gates
1 practice area
View profile
Ogier
7 practice areas
View full profile
Pinsent Masons
7 practice areas
View profile
M&A
Tier 3
25 firms ranked
View full list

Tier 1

A&L Goodbody
15 practice areas
View full profile
Arthur Cox
15 practice areas
View full profile
Matheson LLP
15 practice areas
View full profile
McCann FitzGerald LLP
15 practice areas
View full profile
William Fry
15 practice areas
View full profile

Tier 2

Maples Group
16 practice areas
View profile
Mason Hayes & Curran
15 practice areas
View full profile

Tier 3

Beauchamps Solicitors
7 practice areas
View profile
Byrne Wallace Shields
8 practice areas
View profile
Dentons
5 practice areas
View full profile
Dillon Eustace
14 practice areas
View full profile
Hayes solicitors
4 practice areas
View profile
Walkers
12 practice areas
View full profile

Tier 4

Addleshaw Goddard
7 practice areas
View profile
Eversheds Sutherland
5 practice areas
View profile
Flynn O'Driscoll
3 practice areas
View full profile
Philip Lee
6 practice areas
View profile

Tier 5

BHSM LLP incorporating OBH Partners
4 practice areas
View full profile
Pinsent Masons
7 practice areas
View profile
Ronan Daly Jermyn
5 practice areas
View profile

Notable

DLA Piper
3 practice areas
View profile
Lavelle Partners LLP
4 practice areas
View profile
Ogier
7 practice areas
View full profile
Taylor Wessing
2 practice areas
View profile
Whitney Moore
1 practice area
View profile
Restructuring and insolvency
Tier 3
21 firms ranked
View full list

Tier 1

A&L Goodbody
15 practice areas
View full profile
Arthur Cox
15 practice areas
View full profile
Matheson LLP
15 practice areas
View full profile
McCann FitzGerald LLP
15 practice areas
View full profile
William Fry
15 practice areas
View full profile

Tier 2

Maples Group
16 practice areas
View profile
Mason Hayes & Curran
15 practice areas
View full profile

Tier 3

Beauchamps Solicitors
7 practice areas
View profile
Byrne Wallace Shields
8 practice areas
View profile
Dillon Eustace
14 practice areas
View full profile
Walkers
12 practice areas
View full profile

Tier 4

Addleshaw Goddard
7 practice areas
View profile
BHSM LLP incorporating OBH Partners
4 practice areas
View full profile
Eversheds Sutherland
5 practice areas
View profile
Ronan Daly Jermyn
5 practice areas
View profile

Notable

AMOSS Solicitors
3 practice areas
View profile
Brady Kilroy Solicitors
1 practice area
View profile
Dentons
5 practice areas
View full profile
Hayes solicitors
4 practice areas
View profile
Lavelle Partners LLP
4 practice areas
View profile
Pinsent Masons
7 practice areas
View profile
Linked Reviews
Financial and corporate

Founded in Dublin in 1992, Dillon Eustace is focussed on advising for investment funds and private equity clients and is led by managing partner Donnacha O'Connor. The firm has expanded internationally since the end of the last century, opening offices in Tokyo, New York, and the Cayman Islands.  


Highlights 


In banking and finance, the firm has active role on real estate financing matters such as its role as legal advisor to Varengold Bank in connection to an entry into a private securitisation transaction to facilitate senior debt. This marks the first transaction completed by Varengold Bank in Ireland.


In investment funds, the firm advised VanEck UCITS ETF on the innovative establishment of Europe's first UCITS ETF.
 

Testimonials 2026


"They are responsive, detailed, and reliable." - Financial service regulatory

"The partner in our relationship, Donnacha O'Connor is a standout attorney. He is responsive and his guidance is clear and commercial." - Financial service regulatory

"We value Dillon Eustace’s strong insolvency expertise and their practical, commercial approach. The team provides clear, well‑considered advice and is responsive and easy to work with, particularly in time‑sensitive situations. Overall, we have confidence in the quality and reliability of their service in this area." - Insolvency

"Proactive engagement. The partner and her team are very responsive and take initiative to keep us aware of any potential market news or regulation changes which could have an impact on the fund. Always available for calls or meetings and the time it takes to resolve queries is impressive." - Investment funds

"We have had a very positive experience working with Dillon Eustace on the establishment of two ELTIFs in Ireland. What stands out most is their combination of deep technical expertise in Irish and European fund regulation with a highly pragmatic and commercial approach. Their team has consistently provided clear, actionable advice throughout the structuring and authorization process, helping us navigate regulatory requirements efficiently while keeping our commercial objectives in focus." - Investment funds

"Dillon Eustace stand out for their combination of strong technical expertise and highly client-focused service. The team are personable, approachable, and responsive, which makes working with them both efficient and collaborative. They provide clear, practical advice on complex restructuring matters, particularly where there are cross-border and intellectual property considerations. Their ability to balance detailed legal analysis with commercial awareness is a key differentiator, and they consistently deliver high-quality outcomes in a pragmatic and solutions-driven manner." - Restructuring and insolvency

"Detailed knowledge of the financial regulatory environment." - Keith Waine

"Knowledgeable in the fund regulatory matters, and calm and persuasive negotiation with the CBI and our counterparty." - Brian Kelliher

"Consistently provides clear, practical advice and is responsive and reliable to deal with. Demonstrates strong technical knowledge while remaining focused on achieving workable outcomes." - Shane Harron

"Brian Kelliher combines strong technical expertise with a highly practical and client-focused approach. Throughout our work on the establishment of two ELTIFs in Ireland, he has consistently demonstrated an excellent understanding of both the regulatory framework and the commercial considerations involved in fund structuring." - Brian Kelliher

"Adrian Benson combines excellent technical expertise with a strong commercial mindset. He has a clear ability to distil complex legal issues into practical, actionable advice that aligns with the client’s broader strategic objectives. He is highly personable and approachable, which makes him particularly effective in building trusted relationships and working collaboratively with clients and advisors. Adrian is also very responsive and solutions-focused, consistently delivering high-quality outcomes while maintaining a strong emphasis on efficiency and clarity." - Adrian Benson

Key clients 


PIMCO, Legal & General, Pacer, Allied Irish Banks, Bank of Ireland, Balbec Capital, Oaktree
18 results18 results
Deal Highlights
32 results32 results
Deal Name Deal Date Firm Name Jurisdiction Deal Type Lawyer Names Client Names Client Role
Deutsche Bank - Financing
2020-01-09
Dillon Eustace
Ireland
Financing
Conor Keaveny
Deutsche Bank
Lender
Fine Grain Property - Financing
2020-01-02
Dillon Eustace
Ireland
Financing
John Hugh Colleran
Fine Grain Property
Borrower
Fairfield Real Estate Finance - Financing
2020-01-10
Dillon Eustace
Ireland
Financing
Conor Keaveny
Fairfield Real Estate Finance
Borrower
Principal Systems - Financing
2020-01-12
Dillon Eustace
Ireland
Financing
Conor Keaveny
Principal Systems
Borrower
Recaro Aircraft Seating - Restructuring
2021-02-25
Dillon Eustace
Ireland
Restructuring
Jamie Ensor
Recaro Aircraft Seating
Creditor
Mabanaft Scandanavia - Restructuring
2021-02-25
Dillon Eustace
Ireland
Restructuring
Jamie Ensor
Mabanaft Scandanavia
Lessor
Digital Boutique - Restructuring
2020-01-12
Dillon Eustace
Ireland
Restructuring
Jamie Ensor
Digital Boutique
Shareholder
Conor Noone and Neil Hughes - Insolvency
2021-02-25
Dillon Eustace
Ireland
Insolvency
Jamie Ensor, Martin Colman
Conor Noone and Neil Hughes
Liquidator
Martin Ferris and Patrick McCoy - Insolvency
2021-02-25
Dillon Eustace
Ireland
Insolvency
Jamie Ensor
Martin Ferris and Patrick McCoy
Receiver
Aengus Burns - Insolvency
2021-02-25
Dillon Eustace
Ireland
Insolvency
Jamie Ensor
Aengus Burns
Receiver
Aiden Murphy - Insolvency
2021-02-25
Dillon Eustace
Ireland
Insolvency
Jamie Ensor
Aiden Murphy
Receiver
Lapithus Management - Insolvency
2021-02-25
Dillon Eustace
Ireland
Insolvency
Jamie Ensor, Keith Robinson, Peter Bredin
Lapithus Management
Receiver
AIB - Insolvency
2021-02-25
Dillon Eustace
Ireland
Insolvency
Jamie Ensor, John O'Riordan, Peter Bredin
AIB
Receiver
PML Financial Planning Ltd - Insolvency
Dillon Eustace
Ireland
Insolvency
Jamie Ensor
PML Financial Planning Ltd
Liquidator
Fayleigh Ltd - Insolvency
Dillon Eustace
Ireland
Insolvency
Jamie Ensor
Fayleigh Ltd
Liquidator
Contrarian Capital Management LLC - M&A
2021-10-30
Dillon Eustace
Ireland
M&A
Jamie Ensor
Contrarian Capital Management LLC
Acquirer
Courtown Waterworld Ltd - Insolvency
Dillon Eustace
Ireland
Insolvency
Jamie Ensor, Marrtin Colman
Courtown Waterworld Ltd
Liquidator
Kleio Tool & Plant Hire Ltd - Insolvency
Dillon Eustace
Ireland
Insolvency
Jamie Ensor
Kleio Tool & Plant Hire Ltd
Liquidator
Briggs - M&A
2022-01-20
Dillon Eustace
Ireland
M&A
Philip Lea
Briggs
Acquirer
DMG Media - M&A
2021-06-01
Dillon Eustace
Ireland
M&A
Adrian Benson
DMG Media
Acquirer
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IFLR1000
DLA expands financial and corporate offering in Dublin with lateral hires
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