Firm Profile > Mason Hayes & Curran > Dublin, Ireland

Mason Hayes & Curran
D04 TR29

Banking and finance Tier 1

Mason Hayes & Curran's 'very client-focused, commercial' team has expertise in a range of areas, including project finance for energy and infrastructure projects and loan portfolio sales. Practice head Will Carmody acted for a syndicate of five banks on a revolving credit facility to Greencoat Renewables to finance the acquisition of a wind farm, and Neil Campbell and Micheál Grace advised Permanent TSB on the sale of a €2.4bn residential loan portfolio. Jenny Ahern is praised for her 'encyclopedic knowledge of all banking and property disciplines'. Daniel Kiely moved to an in-house role.

Commercial, corporate and M&A Tier 1

Mason Hayes & Curran counts blue-chip international corporates and Irish businesses such as Groupe Adéquat and the NTMA among its clients. Its sector specialisms include technology, energy and food and drink products: corporate head David O’Donnell acted for Blue Face on its merger with Star2Star; Justin McKenna advised the founder and CEO of Lily O'Brien's on its sale to Colian Holding; and Liam Brazil assisted NTR with the acquisition of the Aeolus wind farm project. Martin Kelleher, head of commercial Philip Nolan and Frank O’Flynn are also noted. Robert Dickson joined from Matheson.

Construction Tier 1

Mason Hayes & Curran ‘delivers decisive and clear advice’ and handles a steady stream of high-profile instructions. ‘Very able’ practice head Rory Kirrane, who is also an ‘excellent advocate’, leads the team on both contentious and non-contentious matters. Eoin Cassidy is the firm’s specialist for construction matters in the energy sector. Susan Bryson ‘is a top-class negotiator’; her clients know ‘they are in safe hands and well represented’. Bryson and associate Padraig Godfrey ‘demonstrated in-depth knowledge and experience in all areas of construction litigation’ when they acted for SDR Property Owners Management Company in High Court proceedings relating to defects and fire safety issues in the design and construction of a major mixed-use development in the centre of Dublin. Shane Dolan is also ‘excellent’.

Dispute resolution Tier 1

Maurice Phelan leads the practice at Mason Hayes & Curran, which stands out for its 'personal service, integrity, and commercial and practical advice' and its sector specialisms in finance and property. The 'able and experiencedLiam Guidera and 'clear, efficient, and hard-working' senior associate Conor O’Leary acted for shopping centre owner IMRF II Frascati in a dispute with Marks & Spencer. Tanya Colbert is also recommended. Jane Pilkington and Richard Woulfe left the firm.

Employment Tier 1

The ‘incredibly pragmatic and commercial’ Mason Hayes & Curran ‘operates with high degrees of expertise, efficiency and proactivity’. The team represents a variety of public and private sector players, and acted on a number of significant sexual harassment and protected disclosure cases. Melanie Crowley is ‘second to none in the employment law space’ and advises clients in the technology sector such as Dropbox and Facebook. Ian O’Herlihy defended Limerick and Clare Education and Training Board in precedent-setting injunction and judicial review proceedings. Other key team members include Ronnie Neville and ‘highly recommended’ senior associate Orla O’Leary, who is not only ‘highly reliable and trustworthy’, but also ‘a pleasure to work with’.

Energy and natural resources Tier 1

Mason Hayes & Curran has 'assembled an exceptional team' with an 'in-depth understanding of the industry', and advises major private sector lenders on onshore renewable energy projects. In one work highlight, 'hands-on' and 'assertive' practice co-head William Carmody and construction expert Eoin Cassidy advised Norddeutsche Landesbank Girozentrale on the project financing of the Knockalough wind farm in County Galway, which will have an export capacity of 33.6MW. Other co-head Rory Kirrane acts on energy-related construction disputes. The team also advised on acquisitions in the energy sector; by way of example, Cassidy assisted NTR with its acquisition of Aeolus wind farm. Associate Muireann Hernon 'is an exceptional talent'.

EU and competition Tier 1

Mason Hayes & Curran's practice 'is strong at every level, from partner right down to associates'. Merger control, investigations and competition litigation are among the team's strengths, particularly in the media, technology and energy sectors. Practice head Niall Collins advised Discovery Communications on its acquisition of ScrippsNetworks Interactive, creating a new precedent in Irish merger control law. Newly promoted partner Michael Madden and senior associate Tara Kelly are also key team members.

Healthcare and life sciences Tier 1

Mason Hayes & Curran's team is 'direct, knowledgeable, flexible and can always be relied on'. On the healthcare side, Kevin Power handles high-profile clinical negligence litigation; he also represented Allergan in product liability litigation. Martin Kelleher leads the life sciences practice; his recent highlights include advising Sam McCauley Chemists on the sale of the company and its 32 subsidiaries. The 'responsive and helpful' David Mangan, who acted for KCK in Mainstay Medical's 2018 placing, and senior associate Conall Geraghty ('excellent at handling difficult negotiations') are also noted.

Information technology Tier 1

Mason Hayes & Curran's practice is noted for its 'incomparable commercial acumen' and 'wealth of regulatory experience'. The team acts for a number of high-profile tech companies, as well as advising other organisations on various aspects of technology law. The 'incredibly attentive' Philip Nolan leads the practice; Robert McDonagh is 'excellent and very thorough'; and San Francisco-based Oisín Tobin is 'incontestably a leader in data protection'. Wendy Hederman is also recommended, as is senior associate John Farrell, who was a new arrival from William Fry.

Insolvency and corporate restructuring Tier 1

Apart from advising lenders such as Ulster Bank on loan enforcements in the real estate sector, Mason Hayes & Curran’s ‘available’ and ‘strong team’ also undertakes examinership work, with the ‘pragmaticJudith Riordan helping Regan Development defend a petition by Oaktree Capital against the appointment of an examiner. The ‘technically strongGareth Steen is seen as a ‘go-to insolvency lawyer’. Maurice Phelan is the practice head.

Insurance Tier 1

Service is ‘exceptional’ at Mason Hayes & Curran, where the ‘defining feature is incisiveness’. The team represents major insurers in professional indemnity and D&O insurance claims, as well as catastrophic injury claims and coverage disputes. ‘Tenacious’ new practice head Rachel Kavanagh, who ‘is one of the most pragmatic and dedicated solicitors’, has ‘an exceptional team around her’, comprising of ‘standoutAilbhe Gilvarry and newly promoted partner Deirdre Munnelly, ‘who provides a quality service time and time again’. Associate Laura Keane is also highly recommended.

Intellectual property Tier 1

Regarded as ‘go-to IP lawyers’, the members of Mason Hayes & Curran’s team are ‘knowledgeable, responsive and commercial’. The team is well versed in dealing with contentious matters, especially in the trade mark and patent areas, with new head of IP Gerard Kelly defending Harmony Timber in patent infringement proceedings concerning the construction of a timber frame wall panel product. New partner Brian McElligott, who joined from William Fry in July 2018, strengthens the firm’s non-contentious IP side.

Media and entertainment Tier 1

The team at Mason Hayes & Curran is noted for its 'excellent, practical, business-savvy advice': its lawyers 'understand the role of in-house counsel and try to stand in the client's shoes when providing advice'. As well as traditional media players, the team acts for leading "new media" entities. Philip Nolan leads the practice; Gerard Kelly advised Virgin Media on the rebranding of TV3 News, which was purchased by its parent company in 2015; and Robert McDonagh assisted RTÉ with the drafting and negotiation of contracts for the development of the next generation RTÉ Player. Richard Woulfe handles contentious matters.

Pensions and employee benefits Tier 1

The ‘fast’ and ‘very responsive’ team at Mason Hayes & Curran has ‘an exemplary knowledge of pension legislation’. Stephen Gillick regularly advises on the pension aspects of corporate acquisitions and disposals, such as assisting a private equity fund with the sale of a hotel portfolio. Practice head Peggy Hughes has experience in acting on a broad range of pensions-related matters; recent highlights of hers include advising an employer on an internal project related to the client’s staff defined benefit pension scheme.

Planning and environment Tier 1

The team at Mason Hayes & Curran provides comprehensive advice to state bodies, banks, developers, contractors and engineers on planning and environmental matters, but is particularly praised for its ‘unique experience in the power utility infrastructure area’. The ‘inherently practical and pragmaticDeirdre Nagle was recently promoted to practice head; she demonstrated her ‘immense practical experience in, and technical knowledge of, all aspects of environmental law’ when she was successful for an electricity provider in High Court judicial review proceedings relating to the granting of planning permission for the North-South electricity interconnector. Eoin Cassidy also acted in a number of judicial review proceedings relating to wind farms.

Public sector Tier 1

The 'approachable' and 'highly responsive' team at Mason Hayes & Curran advises public bodies on their statutory duties, handles judicial review proceedings, disciplinary procedures and contentious public procurement matters, and advises on data protection and freedom of information law. Catherine Allen is representing the Nursing and Midwifery Board of Ireland in relation to fitness to practise matters; the 'meticulous and practical' Lisa Joyce acted for the Central Bank of Ireland in proceedings relating to a statutory administrative sanctions inquiry; and Niall Michel acted for TransCore in a challenge to a decision of the Irish National Roads Authority. Edward Gleeson heads the practice.

Real estate Tier 1

Mason Hayes & Curran’s ‘level of service is impeccable, highlighted by the team's quick responsiveness, level of professionalism and ability to complete transactions within tight deadlines’. The team acts for a mix of clients comprising financial institutions, property investors, retailers and international companies. The ‘impressiveVanessa Byrne is advising a financial service provider on the sale of a €2.4bn residential loan portfolio, while Michael Doran acted for new client Hibernia REIT on the sale of a fully let office building to Credit Suisse. Following Kevin Hoy’s appointment as chair of the firm, Byrne and Doran jointly lead the practice. Tom Davy  and associates Áine Quigley and Laura Cullivan are all recommended.

Telecoms Tier 1

Mason Hayes & Curran's 'experienced and well-rounded team' has a 'tremendous breadth of knowledge in telecoms matters'. It is particularly known for its work for the regulator; practice head Michael Madden, who 'ensures broad and well-balanced support is always at hand', is advising ComReg on its next big spectrum award involving the 700MHz band. In another highlight, Edel Hartog is advising the Minister for Communications, Climate Action and Environment on the implementation of Ireland's National Broadband Plan. Frank Flanagan and the 'highly skilled' Philip Nolan are also recommended.

White-collar crime Tier 1

Emer Gilvarry heads the 'very strong' team at Mason Hayes & Curran, which acts for a number of Ireland's leading financial institutions and corporates, advising on internal and external investigations and representing clients in private commissions of investigation and public tribunals of inquiry. In a recent matter, Liam Guidera acted for parties involved in an inquiry following a whistleblower's allegations of police corruption. John O’Leary, who recently made partner, and Colin Monaghan, who joined from Arthur Cox, are also key members of the team. Adrian Lennon left the firm.

Asset finance Tier 2

Mason Hayes & Curran has extensive experience in aviation finance; its client list is made up of major commercial airlines, aircraft manufacturers and lessors, investors and financial institutions. Christine O’Donovan, who specialises in international transactions, heads the practice; she recently acted for the Export-Import Bank of China on the $450m financing of two Airbus 380 aircraft for Minsheng Financial Leasing and its group. Senior associate Sarah Harmon, who also handles shipping finance, is recommended.

Capital markets Tier 2

Mason Hayes & Curran's 'very flexible' team is 'available to meet demands at short notice and with little hassle'. Clients include a number of Irish-quoted companies such as Kerry Group, Norish, Ormonde Mining and Origin Enterprises. On the ECM side, practice head Justin McKenna recently acted for new client Group Eleven on a restructuring of its Irish interests, two pre-IPO acquisitions and the Irish law aspects of its IPO on the Toronto Stock Exchange. David Mangan and the 'clear and practical' Paul Egan are also key contacts. The group acted for ETPX as the issuer on establishing its multi-issuance secured notes programme. Daragh Bohan left the firm in 2019.

Projects and PPP Tier 2

Mason Hayes & Curran is adept at handling public procurement projects, which is evidenced by Edel Hartog and Robert McDonagh acting for the Irish government on the implementation of its National Broadband Plan. On the financing side, William Carmody was active in the renewable energy sector, acting for Norddeutsche Landesbank Girozentrale on the project financing of Knockalough wind farm, and for AIB on the project financing for Killala community wind farm. Senior associate Anne McCarthy ‘shows herself to be very experienced and committed’.

Tax Tier 2

Mason Hayes & Curran has expanded its client base to include Mylan, Valeant Pharmaceuticals (now operating as Bausch Health Companies) and NTM Capital, and is particularly noted for implementing major group reorganisations. The group advised the shareholders of communications service provider Blue Face on a merger with Star2Star, a US hybrid cloud communications company; and Niamh Keogh, who was recently promoted to partner, advised Boparan Holdings on the Irish tax law aspects of the sale of the entire issued share capital of Green Isle Food to Nomad Foods Europe. Tax consultant Robert Henson is now with EY Ireland. John Gulliver and Maura Dineen left the firm.

Investment funds Tier 3

Mason Hayes & Curran has particular strengths in the real estate and private equity sectors and advises a number of UCITS funds; clients include Conseq Invest and Vermeer. The team recently advised FinecoBank on the establishment of a UCITS management company. Other highlights include practice co-head Rowena Fitzgerald and senior associate Sarah Cloonan acting for Heptagon Fund on the establishment of an additional sub-fund, and co-head Conor Durkin assisting the National Treasury Management Agency with the AIFMD regulatory issues of its co-investment with Capital Stage in a €140m fund to develop solar farms in Ireland.

Transport Tier 3

The team at Mason Hayes & Curran is praised for its 'in-depth legal knowledge' and 'ability to interpret the client's requirements', and is noted for its blue-chip client base, which includes Dublin Port Company, Maersk and Uber. Shane Dolan and senior associate Paul Bassett, who provide advice in 'a professional manner but with a personal touch', assisted Hines Ireland with road construction matters at the Cherrywood development. Christine O’Donovan specialises in aviation finance, and Rory Kirrane advises on maritime matters. Daniel Kiely moved to an in-house role.

The firm:As legal and regulatory responsibilities become more complex, progressive organisations need the right advice to help realise their ambitions.  The expertise Mason Hayes & Curran brings is rooted in unrivalled knowledge of the industries in which its clients operate, so advice is always set in its commercial context. Mason Hayes & Curran empowers its international and domestic clients by giving focused recommendations and a clear understanding of their options. The firm solves the issues clients face today and anticipates the challenges of tomorrow.

Mason Hayes & Curran is a business law firm with 90 partners. These partners understand the challenges international organisations face when investing or locating in a foreign country; assisting them during initial establishment and in meeting their ongoing legal and commercial imperatives. The firm has offices in London, New York and San Francisco, three important conduits for inward investment to Ireland.

Areas of practice: 

Corporate: The firm’s corporate lawyers are recognised as the leading advisers on all types of domestic and international corporate transactions across a broad range of industry sectors. They have acted in some of the most high profile, innovative and complex M&A deals in Ireland. With extensive experience in all types of corporate transactions, they combine transactional skills with specialist expertise in banking, property, competition, employment and tax.

Contact: David O’Donnell

Dispute Resolution & Commercial Litigation: The dispute resolution team is routinely involved in complex, high profile commercial court litigation.
The team is frequently retained by international clients on multi-jurisdictional disputes which involve providing strategic guidance driven by the different systems of rules and practices worldwide.

Contact: Maurice Phelan

Employment & Benefits: The firm’s combined experience offers a unique
understanding of the challenges faced by employers in all sectors and industries. It provides a tailored approach to meet the individual needs of each
client. The team empowers employers to confidently make the right decisions. Employers rely on its comprehensive and integrated service offering. The
firm provides commercial and strategic advice on all workplace issues from recruitment to retirement.

Contact: Melanie Crowley

Financial Services & Banking: The financial services team provides high calibre advice to domestic and international clients. It regularly advises on international corporate lending, renewable energy, acquisition, asset and structured finance, debt capital markets, investment funds and regulation. Clients include leading domestic and international banks and insurers operating in

Contact: William Carmody

Projects & Energy: Energy sector clients know the firm for its work on complex transactional, regulatory and commercial issues. Clients include a number of Ireland’s most significant and strategically important players. It
has unrivalled expertise in advising on the project finance, development and acquisition of electricity generation, both thermal and renewable.

Contact: Rory Kirrane

Real Estate: With the largest real estate team in Ireland, the firm offers extensive expertise critical for structuring complex real estate transactions. It advises banks, state agencies, corporates, multinationals and both private equity and institutional investors on the most high profile mandates. The lawyers possess strong sectoral and industry knowledge particularly in the areas of energy, technology, health and hotels and leisure.

Contact: Vanessa Byrne

Technology: The technology team provides cutting edge advice
on commercial law matters to some of the world’s leading tech companies who require guidance through new and sometimes unforeseen legal circumstances. The firm advises the world’s leading social media and search organisations along with emerging startups and entrepreneurs.

Contact: Philip Nolan

Taxation: The firm’s specialist tax team comprises internationally experienced tax law partners and professionals and provides innovative and leading edge tax services to its international corporate and individual client base. Its service offering is focused on companies and individuals using Ireland as part of their global tax management strategy.

Contact: Niamh Keogh

Department Name Email Telephone
Aviation, International Asset Finance Christine O'Donovan
Banking & Financial Services William Carmody
Dispute Resolution Maurice Phelan
Real estate Michael Doran
Real Estate Vanessa Byrne
Construction Rory Kirrane
Energy & Natural Resources Eoin Cassidy
Technology Philip Nolan
Corporate / M&A David O'Donnell
Competition & Antitrust Niall Collins
Intellectual Property Gerard Kelly
Employment & Benefits Melanie Crowley
Tax Niamh Keogh
Photo Name Position Profile
Ms Jenny Ahern  photo Ms Jenny Ahern
Ms Catherine Allen  photo Ms Catherine Allen
 Declan Black  photo Declan Black
Mr Liam Brazil  photo Mr Liam Brazil
Ms Susan Bryson  photo Ms Susan Bryson
Ms Vanessa Byrne  photo Ms Vanessa Byrne
Ms Niamh Callaghan  photo Ms Niamh Callaghan
Mr Will Carmody  photo Mr Will Carmody
Ms Rachel Carney  photo Ms Rachel Carney
Mr Eoin Cassidy  photo Mr Eoin Cassidy
Mr Niall Collins  photo Mr Niall Collins
Mr Ger Connolly  photo Mr Ger Connolly
Ms Melanie Crowley  photo Ms Melanie Crowley
Mr Tom Davy  photo Mr Tom Davy
Mr Michael Doran  photo Mr Michael Doran
Mr Conor Durkin  photo Mr Conor Durkin
Mr Paul Egan  photo Mr Paul Egan
Ms Rowena Fitzgerald  photo Ms Rowena Fitzgerald
Mr Stephen Gillick  photo Mr Stephen Gillick
Ms Ailbhe Gilvarry  photo Ms Ailbhe Gilvarry
Mr Edward Gleeson  photo Mr Edward Gleeson
Mr Liam Guidera  photo Mr Liam Guidera
Mr Jason Harte  photo Mr Jason Harte
Ms Wendy Hederman  photo Ms Wendy Hederman
Mr Brian Horkan  photo Mr Brian Horkan
Ms Peggy Hughes  photo Ms Peggy Hughes
Ms Rachel Kavanagh  photo Ms Rachel Kavanagh
Mr Martin Kelleher  photo Mr Martin Kelleher
Mr Gerard Kelly  photo Mr Gerard Kelly
Mr Rory Kirrane  photo Mr Rory Kirrane
Ms Claire Lord  photo Ms Claire Lord
Mr Robert McDonagh  photo Mr Robert McDonagh
Mr Justin McKenna  photo Mr Justin McKenna
Mr Peter McLay  photo Mr Peter McLay
Mr Niall Michel  photo Mr Niall Michel
Mr Ronnie Neville  photo Mr Ronnie Neville
Mr Philip Nolan  photo Mr Philip Nolan
Mr David O’Donnell  photo Mr David O’Donnell
Ms Christine O’Donovan  photo Ms Christine O’Donovan
Mr Frank O’Flynn  photo Mr Frank O’Flynn
Mr Ian O’Herlihy  photo Mr Ian O’Herlihy
Mr Maurice Phelan  photo Mr Maurice Phelan
Mr Kevin Power  photo Mr Kevin Power
Mr Liam Riordan  photo Mr Liam Riordan
Ms Judith Riordan  photo Ms Judith Riordan
Ms Elizabeth Ryan  photo Ms Elizabeth Ryan
Mr Oisín Tobin  photo Mr Oisín Tobin
Number of fee-earners : 280
Contact : Declan Black (managing partner)
Other offices : London
Other offices : New York
Other offices : San Francisco

Mason Hayes & Curran’s Approach to Diversity and Inclusion

What is Diversity at MHC?

Diversity means the differences between us, including our perspectives, life experiences, social and cultural backgrounds.

What is Inclusion at MHC?

Inclusion is acceptance, understanding and respect for these differences. We recognise and we value that each staff member is unique and brings a different perspective to the firm.  All employees have a role to play in embracing this culture.

Our Goals

  • To acknowledge and encourage diversity and inclusion within the firm
  • To welcome and respect individual views and experience for the benefit of colleagues and clients
  • To recognise and formalise our existing culture of openness and inclusivity=

Culture & Background
We are focused on creating a firm where race, religion, ethnicity, experience and culture are appreciated for the diverse perspectives they bring.

We strive to create and sustain a truly equal and gender balanced firm with equal opportunities and treatment for all.

We understand that disability includes both physical and mental health and we actively provide support to those who need it.

We encourage all staff to simply be themselves irrespective of gender or sexual orientation.

We recognise and understand that our people have responsibilities to their partners, parents, siblings and children.