About Taxkey

Taxkey was set up by Mairéad Hennessy who believes that small accountancy practices and SMEs should have access to expert tax consultancy services at affordable prices.

Mairéad has a wealth of experience in advising on Irish tax matters and specialises in the following areas:

  • Property transactions (including VAT on Property)
  • Succession Planning for Businesses
  • Retirement Planning and Wealth Management
  • Corporate Structuring
  • Inheritance Tax

She has provided tax advice to multinationals, national and local companies, sole traders and private individuals through previous roles with a “Big 4” Accounting Practice, a “Top 5” Law Firm, a small accountancy practice and various industry roles.

Mairéad delivers the highest quality tax advice to her clients in a timely and confidential manner. She takes a practical approach to tax issues whilst maintaining attention to the detail at all times.

Mairead is also CFO of Terra NutriTech where she oversees the financial management functions including financial planning, forecasting and taxation. Terra NutriTech is a global leader in precision liquid automated nutrition systems for the agricultural sector. The company has won numerous awards for its technology including the 2018 National Enterprise Award and the 2018 Google Adopt a Startup Programme.

Mairéad is a Chartered Tax Advisor (CTA AITI) and Fellow of Chartered Accountants Ireland (FCA). Mairéad holds a Bachelor of Business and Law (BBLS) from UCD and a Masters in Accounting (MAcc) from the Michael Smurfit School of Business. Mairéad is currently Secretary of the County Kildare Chamber.

Our Mission

Our mission is

  • To consistently deliver bespoke and practical tax advice to our clients
  • To build long term partnerships with our clients


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