Brian O'Dwyer

Skip to content
Skip to navigation

Global site
Africa
Americas
Asia Pacific
Europe
Middle East

Locations

Services

Advisory

Our progressive thinkers offer services to help create, protect and transform value today, so you have opportunity to thrive tomorrow.

See Overview

Aviation Advisory
Our dedicated Aviation Advisory team bring best-in-class expertise across modelling, lease management, financial accounting and transaction execution as well as technical services completed by certified engineers.
Business Risk Services
Our Business Risk Services team deliver practical and pragmatic solutions that support clients in growing and protecting the inherent value of their businesses.
Consulting
Our Consulting team guarantees quick turnarounds and superior results delivered on a range of services.
Deal Advisory
Our experienced Deal Advisory team has provided a range of transaction, valuation, deal advisory and restructuring services to clients for the past two decades.
Financial Accounting and Advisory
Our FAAS team designs and implements creative solutions for organisations expanding into new markets or undertaking functional financial transformations.
Forensic Accounting
Our Forensic and Investigation Services team have targeted solutions to solve difficult challenges - making the difference between finding the truth or being left in the dark.
Restructuring
Grant Thornton is Ireland’s leading provider of insolvency and corporate recovery solutions.
Risk Advisory
Our Risk Advisory team delivers innovative solutions and strategic insights for the Financial Services sector, addressing disruptive forces, regulatory changes, and emerging trends to enhance risk management and foster competitive advantage.
Sustainability Advisory
Our Sustainability Advisory team works with clients to accelerate their sustainability journey through innovative and pragmatic solutions.

Related insights:

Article 2025 Reinsurance Renewal Insights: Key Matters to Consider

2025 reinsurance renewal: Key trends in property, casualty, and cyber markets. Gain insights on rates, catastrophe losses, and the insurance protection gap.

| 5 min read | 15 Nov 2024

Audit

Our audit services can strengthen your business and stakeholders' confidence. You'll receive professionally verified results and insights that help you grow.

See Overview

Corporate Accounting and Outsourcing
At Grant Thornton we have extensive knowledge and experience in providing tailored solutions to our clients, whether on a short-term or long-term basis.
Financial Services Audit
Our Financial Services Audit team offers expertise and knowledge along with a horizontal approach to solving clients’ problems and queries.
Global Statutory Audit
Our Global Statutory Audit team ensures your statutory audit process follows a well-defined project plan, with no surprises, to maintain compliance across multiple jurisdictions. We invest time to understand your finance function and develop bespoke solutions built on the premise of central effort to remove duplication.
Pension Audit
The Grant Thornton Pension Audit team has vast experience in managing schemes and preparing annual reports on them for clients.

Related insights:

Article The latest updates on Companies House reform

Discover key updates on UK Companies House reform, including mandatory ID verification, software-only filing, and revised company size thresholds.

| 4 min read | 13 Nov 2024

Tax

Our tax services help you gain trust and stay ahead, enabling you to manage your tax transparently and ethically.

See Overview

Corporate Tax
Our Corporate Tax team is made up of more than 40 highly experienced senior partners and directors who work directly with a wide range of domestic and international clients; covering Corporation Tax, Company Secretarial, Employer Solutions, Global Mobility and Tax Incentives.
Financial Services Tax
The Grant Thornton team is made up of experts who are fully up to date in terms of changing and evolving tax legislation. This is combined with industry expertise and an in-depth knowledge of the evolving financial services regulatory landscape.
Indirect Tax Advisory & Compliance
Grant Thornton’s team of indirect tax specialists helps a range of clients across a variety of sectors including pharmaceuticals, financial services, construction and property and food to navigate these complexities.
International Tax
We develop close relationships with clients in order to gain a deep understanding of their businesses to ensure they make the right operational decisions. The wrong decision on how a company sells into a new market or establishes a new subsidiary can have major tax implications.
Private Client
Grant Thornton’s Private Client Services team can advise you on all areas of financial, pension, investment, succession and inheritance planning. We understand that each individual’s circumstances are different to the next and we tailor our services to suit your specific needs.

Related insights:

Article Simplifying Group Structures: Group Rationalisation

Managing compliance across companies is time-consuming and often overlooked. Eliminating dormant companies reduces administrative and audit costs, freeing up finance directors.

Jillian O'Sullivan

| 7 min read | 20 Nov 2024

Careers

Looking for a more fulfilling role in professional services? Find out more about our opportunities.

See Overview

Experienced Hires

Looking for a more fulfilling role in professional services? One where fresh thinking, collaboration and diversity are valued? At Grant Thornton we do things...

See Overview

Graduate Programme

We offer a range of graduate programmes to help you thrive in your career. Work with and learn from the best in the business, make a difference and excel by...

See Overview

Undergrad Programme

We offer a fantastic opportunity to kick-start your career with our Summer Internship Programme.

See Overview

Working at Grant Thornton

We’re committed to our culture, our clients and the better future that we can build together.

See Overview

Our Benefits

We offer an excellent range of rewards and benefits to suit your lifestyle.

See Overview

Connect

About us

Grant Thornton Ireland is rapidly approaching 3,000 people, in 9 offices across Ireland, Isle of Man, Gibraltar and Bermuda, and a presence in over 149...

See Overview

Alumni network

We believe in a connected world — so we created an industry-leading online Alumni Network that focuses on what matters most at Grant Thornton — our people.

See Overview

Events

Browse our schedule of upcoming live events or webinars for the latest thinking from Grant Thornton's subject matter experts.

See Overview

News centre

Explore Grant Thornton's latest press releases and stay informed with our most recent news updates.

See Overview

Subscriptions

Receive the latest insights, news and more direct to your inbox.

See Overview

Experience

Brian joined the firm in 2015 and is the current lead of the Consulting team specialising in designing and leading major business transformation programmes. Brian has a track record of strategy development, process standardisation, end to end project and programme management and target operating model design including systems integration.

Sector experience

Brian is an experienced project and programme manager with experience in the management and delivery of organisation wide, transformation projects to both domestic and international corporations across a number of sectors including financial services, government, healthcare, life sciences and telecoms.

His experience includes:

leading client/GT mixed team of 80 resources in the successful delivery of multiple parallel strategic and regulatory change initiatives for a leading pillar bank;
conducting strategic planning and operating model design exercises on behalf of a number organisations in the financial services sector;
management and delivery across a number of large strategic, shared service center design programmes in both government and telecoms sectors, including enterprise resource planning (ERP) implementation.
pre-merger and post-merger integration planning; and
coordinating group wide Brexit Readiness programme for a leading FS institution.

Qualifications

Certified Project Management Professional (PMP)
PRINCE2 Practitioner
MBS in Management Information Systems form Michael Smurfit Business School

Latest Articles

Article Decision-Making Models and using Advanced Estimation Techniques

Our focus in this paper is to develop decision making models using a range of advanced machine learning techniques. We explore three different methodologies to measure the discriminatory power between good and bad borrowers using a credit card portfolio dataset. The main hypothesis is that advanced modelling techniques lead to more efficient estimates and higher discriminatory power.

| 3 min read | 25 Sep 2023

Advisory Summary of ECB publications on climate and environmental risk

Over the last few years the ECB have published a series of guidance and best practice publications in the Climate and Environmental (C&E) risk area. These publications and best industry practices indicate that while banks have made progress in incorporating climate-related risk, there is a high level of inconsistency in certain practices and also areas for improvement.