Ciarán Herlihy

Partner

Ciarán is a Partner in William Fry’s Banking & Financial Services Department.

Ciarán advises borrowers, financial institutions and alternative lenders on a broad range of transactional and advisory mandates. Ciarán has extensive experience acting on corporate finance, real estate and development finance and acquisition finance deals.

Ciarán has particular experience advising on project and infrastructure financings including in some highly regulated sectors. He has advised on some of the most significant Irish infrastructure projects in recent years.

Recent significant deals Ciarán has advised on include:

EirGrid plc on all aspects of the €800m financing of the Celtic Interconnector, a 700MW submarine power cable linking Ireland and France, described as “the signature project in the Irish State in this decade and a flagship project in terms of European connectivity“;
The European Investment Bank on all aspects of the €250 million financing to Equisisk to finance the construction and maintenance of seven Community Nursing Units. The financing is the first PPP financing for community nursing and elder care facilities in Ireland;
Department of Environment, Climate & Communications on the structural and financing arrangements for the implementation of the National Broadband Plan; and
Eiffel Investment Group SAS on its funding to the Amarenco Group for the development and late-stage development of a large portfolio of ground mounted solar PV projects in Ireland and Portugal.

2025 Legal EMEA

"Ciarán's ability to engage with clients, address concerns and lead the deals is outstanding." "Ciarán Herlihy, in particular, was available, responsive and had a great commercial knowledge of the industry."

2025 IFLR

“Extremely knowledgeable and pro-active. Responsive to requests and committed to deadlines / obligations.” “Ciarán manages the team incredibly well. He was hands-on for any matters that required partner attention, but otherwise his team handled all the required work. He communicates well and is a pleasure to work with, making the transaction easy for everyone involved. We also valued his and the team's ability to turn around quickly on very tight timelines.”