EisnerAmper Ireland | Tom Brennan | Partner, Risk & Regulatory | EisnerAmper Ireland Ireland

EisnerAmper Global

Tom Brennan

As a Partner and Head Risk & Regulatory, Tom advises financial services providers on risk, regulatory and compliance-related matters. Tom provides authorisation application support to companies and investors, outsourcing solutions to operationalise compliance and risk function requirements, Pre-Approval Controlled Function support services, ESG advisory and support, supports clients throughout the regulatory engagement lifecycle and specialises in the design and implementation of risk and compliance frameworks.

Many of these services are provided in conjunction with the firm’s technology solutions provider FinReg Global that provides a range of products to assist companies to prove demonstrable compliance with regulations, including Solvency II and Directors Compliance Statements.  Tom also has experience in setting up and managing MiFID, UCITS and AIFMD regulated entities and assisting clients navigating Central Bank of Ireland regulations. 

Tom’s clients include financial service entities (including funds, investment firms and insurance companies), internationally based corporates and private equity clients setting up, operating and/or investing in and through Ireland. 

Tom was previously CFO and Director of Mercer Ireland, a global financial services company providing pension, insurance, fund management, HR, investment and management consulting services. As CFO, Tom managed finance teams of over 50 staff and was responsible for all aspects of treasury and finance including the preparation of management and statutory accounts, regulatory returns and setting policies and procedures. In this role, Tom was responsible for annual revenues of €150m. 

Tom also has considerable experience outsourcing and offshoring accounting activities and the creation of accounting hubs across Europe. Tom successfully led project management teams of up to 20 people across different geographical locations in offshoring, finance transformation, organisational design, shared services and finance systems implementations for 400 finance staff in EMEA and India. 

Education, previous work experience 

Having qualified as a Chartered Accountant in Dublin, Tom spent 13 years working in London, firstly with PWC in their financial services division and subsequently with Harlow Butler (now ICAP).  At Harlow Butler, Tom was Financial Controller for their UK operations and later the Finance Director of their Asia Pacific operations. 

Tom is a fellow of Chartered Accountants Ireland and the Chartered Institute for Securities & Investments. 

Tom is also a member of the Insurance Institute of Ireland National and Dublin Councils, Chairman of the Trustees to the Institute of Chartered Accountants pension schemes and a director of The Legal Aid Board. 

Tom is a former member of the ruling councils of Chartered Accountants Ireland and a former director and president (2007) of Accounting Technicians Ireland. 


Direct Dial +353 1 2934 209


Tom Brennan

Partner Head of Risk & Regulatory
6 The Courtyard Building
Carmanhall Road
Sandyford, Dublin 18

Direct: +353 1 2934 209

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