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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
Rankings published in 2026
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
View full profile
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 ole as legal advisor to Fine Grain Property on its secured financing of a portfolio of office premises at Plassey Innovation Campus. The transaction represents the clients largest financing to date.  

The firm is particularly active in investment funds. A recent example of the firms activity in this area is highlighted in its establishment of an Irish Qualifying Investor Alternative Investment Fund to collect European investment.

 

Testimonials 

 

“Partner always available when needed on transactions. Focuses on the commercial points and doesn't unnecessarily focus on clauses and points that are not of a concern to the Bank.” - Bank lending  

“DE were available promptly to discuss the proposal, and understood our concerns that needed to be legally addressed. They also proposed a few alternative options for the way forward, as opposed to going with the default/easiest route.” - Banking and finance 

“Very personal service, happy to address any queries and make the process straightforward. Brought in other members of their team to address queries beyond their teams expertise.” - Banking and finance 

“Proactive in solving any issues that arose.” - Banking and finance 

“The case was unusual due to the CLG nature of the entities and the relationship with the regulator, and Dillon Eustace were able to provide legal advice to guide us through these complex matters” - Insolvency  

“For a medium sized team (in terms of number) they get very high quality and valuable instructions, reflective of the quality of their talent and experience.” - Insolvency  

“Timely, commercial, pragmatic, competitive.” - M&A 

“Team was very responsive and proactive in terms of approach to the issue and provided good advice and options in terms of approach” - Private equity  

Knowledgeable, experienced and responsive. One of our ‘go-to’ for complex cases.” - Restructuring  

 

“Attention to detail; available at short notice; competitive and efficient” - Restructuring  

 

“They are experienced, very knowledgeable and one of the 'go-to' restructuring practices in the Irish market.” - Restructuring  

Key clients 

 

Balbec Capita, Allied Irish Banks, Bank of Ireland, Goldman Sachs, Deutsche Bank, Axa Investment Managers, PIMCO, Interpath

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
1
of
2
IFLR1000
DLA expands financial and corporate offering in Dublin with lateral hires
Sponsored

Sponsored

  • IFLR1000
    Sponsored by Dillon Eustace
    Lorcan Tiernan and Adrian Benson of Dillon Eustace assess the M&A regulatory framework in Ireland