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About Us

The Firm

Fortis Advisory is an accounting practice offering accounting, taxation and advisory services to individuals, business start-ups and small to medium sized businesses.

We believe we can add real value to your business through our range of professional services which can be tailored to meet your specific requirements.


Padraic O’Rafferty - Director

Padraic O’Rafferty qualified as a chartered certified accountant (ACCA) in 1996 and has accumulated over 22 years of experience in accounting practice and as a Financial Controller across a variety of sectors. He qualified with Cronin & Company before spending two years with Ernst & Young in Dublin.

He then worked as a Financial Controller for companies in the construction, healthcare and technology sectors. Padraic spent almost five years working with NAMA where he managed a diverse portfolio of assets including a number of operating businesses in the hospitality sector.

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Aisling Mellon - Director

Aisling is a director in Fortis Advisory and is responsible for managing a team providing liquidations services to a broad range of corporate clients.

Aisling is a registered insolvency practitioner and holds both a practicing certificate and insolvency practicing certificate from Chartered Accountants Ireland. She has accepted and managed a significant number of liquidation engagements over the last number of years particularly from regulated investment fund companies and special purpose vehicles promoted by many of the most renowned financial institutions in the world.

She has over 20 years' diverse experience in the Irish financial services sector and prior to co-founding Fortis Advisory, held senior positions in the Sanne Group and Chartered Corporate Services. While with Sanne, Aisling was lead director of corporate services for Sanne in Ireland and was also an executive director on the Sanne corporate boards in Ireland.

Aisling is a qualified Chartered Accountant and is a Fellow of Chartered Accountants Ireland. She also holds a Bachelor of Commerce Degree, a Masters in Accountancy from University College Dublin and a Certificate in the Taxation of Irish Domiciled Funds.


Julia Olivera

Julia qualified as a Certified Public Accountant in Venezuela and worked with KPMG within the audit department where she was engaged on a number of high profile assignments across various sectors.

In 2014 she commenced with JJJ & Asociados, a medium sized accounting and taxation services firm in Venezuela.

Julia joined Fortis Advisory in September 2017 where she is responsible for the preparation of management accounts and statutory financial statements as well as managing taxation compliance for small to medium sized businesses.

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Ki Wong

Ki has a Degree in Business Studies from Dublin City University and is also a graduate of the Institute of Chartered Secretaries and Administrators.

She spent seven years with Sanne Group working within the liquidation and VAT compliance team and prior to that worked in accounting practice and fund accounting.

Ki joined Fortis Advisory in November 2018 and is responsible for administration, bookkeeping, taxation and accounting services.