D V Mannion & Co Ltd Chartered Accountants Team


Declan Mannion

Declan Mannion (Partner) B Comm FCA PIP

Declan is a graduate of NUIG and qualified as a Chartered Accountant in 1980 whilst working with CAG in Galway. Declan is a qualified personal insolvency practitioner. Declan worked in the audit, accounting & business advisory practices of KPMG and EY for over 25 years in a range of business sectors. Areas of expertise: Taxation compliance and planning Corporate structure/restructure – Personal and corporate Insolvency and liquidations – Forensic accounting – Personal financial planning & strategy – Business advisory services – Business valuation – Fund raising for SME’s – Audit

(091) 586 020

Rose Marie Keaveney

Rose Marie Keaveney ACA

Rose Marie joined D V Mannion & Co as a trainee accountant in 2005 and qualified as an accounting technician with the IATI in 2006. Subsequently she went on to qualify as a chartered accountant in 2010. Rose Marie has over 15 years of professional accounting experience. She has an in depth knowledge of taxation and accounting, business advisory and insolvency services for SME’s and individuals.




Simona Petraskaite

Simona Petraskaite ACCA

Simona Petraskaite joined DV Mannion & Co Limited in 2015 as a trainee accountant and subsequently qualified as a Chartered Certified Accountant.

Simona’s prime business interests are in the areas of audit of small and medium companies to ensure that the end product is one of value added as well as statutory compliance. She oversees a portfolio of clients covering many sectors including manufacturing, service and the non for profit sector.

Simona has considerable experience in other specialist areas such as tax planning, preparation of management accounts, financial management and Revenue audits.




Dave Joyce

Dave Joyce MIATI

Dave joined DV Mannion & Co. in 2016 and works with clients across a diverse range of business areas. Dave has a passion for helping small business owners and individuals to manage and grow their financial well-being.

With a strong accounting and tax background, Dave provides his clients with an in depth knowledge of accounting, taxation and business advisory services.




Stephen Hannon MIATI

Stephen joined DV Mannion & Co. in 2017 and has in depth knowledge in the areas of Accounts preparation, Taxation, Bookkeeping and Payroll for the SME sector.

Stephen has extensive experience in the specialist area of solicitors bookkeeping  where he is also responsible for report filing with the law society. Stephen’s other specialist areas are Cloud accounting software and  he also has in depth knowledge of company registration and filings with CRO.





 Declan Ryan

Declan Ryan

Declan joined D.V. Mannion & Co. in 2018 after graduating from GMIT with a Postgraduate Diploma in Accounting. Declan also achieved a honours degree in Information Systems Management which he completed in 2017.

Declan is currently gaining his qualification to become a Chartered Certified Accountant through the ACCA.



Dáire Thomas

Dáire Thomas BBS in Economics & Finance

Dáire Thomas joined D.V. Mannion & Co. in 2018 after graduating from GMIT with a Postgraduate Diploma in Accounting. Dáire also achieved an honours degree in Economics & Finance which he completed in 2017.

Dáire is currently gaining his qualification as a Certified Chartered Accountant through the ACCA.



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