Tim O'Connell

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Advisory

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

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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.

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Audit

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

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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.

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Tax

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

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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.

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Careers

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

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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...

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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...

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Undergrad Programme

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

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Working at Grant Thornton

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

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Our Benefits

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

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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...

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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.

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Experience

Tim joined Grant Thornton in 2016 and leads our Aviation Advisory team and became Partner in 2020. He has both domestic and international experience working with the worlds largest aircraft leasing companies and airlines.

Sector Experience

Tim is experienced in transaction due-diligence, financial modelling with a focus on maintenance related cashflows, deep-dive contract reviews, internal audit, system integrations and data migrations. He has worked on a wide variety of projects, including lease/buy/hold analysis for large portfolios of commercial aircraft, fleet deployment optimisation models, maintenance reserve fund recalculation, SOx 404 testing and rating agency issuer rating reviews.

Tim has extensive experience within the aviation industry as well as completing financial model audits across the asset management, finance and renewable energy sectors.

Qualifications

Accountant (GCMA) professional qualification
Master of Business Administration (MBA) from Michael Smurfit Graduate Business School, UCD
Qualified Engineer (CEng) from University College Cork (UCC)

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Tim O'Connell

Partner - Aviation

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