COLLINS O'BRIEN - Key Persons


Brian Casey

Job Titles:
  • Member of the Collins OBrien Team
Brian is a Certified Accounting Technician. He holds a Diploma in Business Studies and a Graduate Diploma in Financial Management. He is a fully qualified member of the ACCA since 2016. Brian has worked in public practice since joining Collins O'Brien in 2004. He works closely with the Managing Director on a large portfolio of clients involving all business structures.

Denis Collins

Job Titles:
  • Member of the Collins OBrien Team

Diarmuid Gowen

Job Titles:
  • Director
Diarmuid qualified as a Certified Public Accountant in 2002 and became a fellow of the Institute in December 2014. In 2014/15, he completed diplomas in Insolvency & Corporate Restructuring and in Forensic Accounting - both diplomas being awarded by the Institute of Chartered Accountants Ireland (CAI). Diarmuid began his career with Collins O'Brien in 1988. He has worked at all the various levels and capacities from Book Keeper to Accountant. He was appointed Office Manager in 2001. He has been strategically involved in some of the firm's major business transitions in relation to practice purchases etc.

Donna Murphy

Job Titles:
  • Member of the Collins OBrien Team
  • in 2016 As a Member
Donna joined Collins O'Brien in 2016 as a member of the administration team. Her previous working experience involved providing administrative support in the medical profession.

Kathleen Murphy

Job Titles:
  • Member of the Collins OBrien Team
  • Member of the Accounts Preparation Team
Kathleen joined Collins O'Brien in 2018 as a member of the accounts preparation team. Her previous working experience involved providing accounts preparation and administrative support in the residential care and sports & leisure sectors. Kathleen's duties include all the various aspects of accounts preparation of Accounts including VAT and PAYE with clients operating in a number of business sectors.

Mairead English

Job Titles:
  • Member of the Collins OBrien Team
  • in 2014 As a Member
Mairead joined Collins O'Brien in 2014 as a member of the administration team.

Marian Kearney

Job Titles:
  • Accounts Assistant
  • Member of the Collins OBrien Team
Marian is an Accounts Assistant, providing processing support in Accounts, VAT and PAYE on a wide range of clients.

Marie O'Brien

Job Titles:
  • Member of the Collins OBrien Team
Marie has a wide range of experience working in the public practice sector of the accountancy industry. She holds a Diploma in Business Studies (Accounting). Marie deals with the preparation of accounts and tax returns for a wide variety of clients such as farmers, publicans, retailers and also limited companies.

Michael Keating

Job Titles:
  • Director
Michael has a Bachelor of Business Degree in Accounting and qualified as a Certified Public Accountant in 2008. He has worked in public practice since joining Collins O'Brien in 2005. He currently holds auditing certificate and is an integral part of Collins O'Brien's auditing team. Michael's core responsibility is the management of a large client portfolio and is involved in all strategic decisions for the expansion and development of the company.

Noel O'Brien

Job Titles:
  • Certified Public Accountant
  • Director
Noel O'Brien qualified as a Certified Public Accountant in 1990. In 1995, he became a partner in the accountancy firm of Collins O'Brien, based in Fermoy, Co. Cork. He became managing partner in 2001.

Paddy Healy

Job Titles:
  • Member of the Collins OBrien Team

Richard Collins

Job Titles:
  • Director

Tony Hyland

Job Titles:
  • Member of the Collins OBrien Team

Triona Leahy

Job Titles:
  • Member of the Collins OBrien Team
Triona joined the practice in 2006 as a Secretary / Receptionist. She holds a Diploma in Business & Office Administration. Throughout the years her diverse role has allowed her to be involved in various aspects of the business including accounts preparation, recruitment, event planning, social media marketing and office redevelopment. She acts as P.A. to Richard Collins, Director. Triona is also involved with the other businesses within F.B.A. House and in 2015 she was appointed Office Manager of Auctioneering firm, Collins O'Meara but still continues to be an integral part of the Collins O'Brien administration team.

Yvonne Cremin

Job Titles:
  • Member of the Collins OBrien Team
Yvonne holds a Diploma in Business Studies and joined the Collins O'Brien team in 1996. She then went on to become a member of the Accounting Technicians of Ireland in 1999. Yvonne has worked in many areas of the business down through the years and has been part of the administration team since 2001. Within this department she is responsible for the day to day running of the practice including accounts payable / receivable, payroll and I.T.