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Audit

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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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
Tailored consulting solutions that deliver measurable results through digital, regulatory and strategic transformation.
Corporate Finance and Deal Advisory
We offer a dedicated team of experienced individuals with a focus on successfully executing transactions for corporates and financial institutions. We offer an integrated approach, with our corporate finance specialists working seamlessly with tax and other specialists to ensure that every angle is covered.
Forensic Accounting
We have a different way of doing business by delivering real insight through a combination of technical rigour, commercial experience and intuitive judgment. We take pride in delivering responsive and tailored solutions to all our clients, capitalising on the wealth of experience housed within our Belfast and wider Forensics team
Restructuring
We work with a wide variety of clients and stakeholders such as high street banks, private equity funds, directors, government agencies and creditors to implement solutions which provide the best possible outcomes.

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HR must lead ethical, strategic AI adoption—protecting entry-level roles, ensuring fairness, and building a future-ready, human-centred workforce.

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| 3 min read | 29 Jul 2025

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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On 27 March 2024, the Financial Reporting Council issued amendments to FRS 100 – 105 (known as GAAP, or Generally Accepted Accounting Practice), a suite of accounting standards applicable in the UK and Ireland. These are used by an estimated 3.4 million businesses in preparing their financial statements.

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Article ID Verification: Economic Crime & Corporate Transparency Act 2023
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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 and International Tax
Northern Ireland businesses face further challenges as they operate in the only part of the UK that has a land border with a country offering a lower tax rate.
Employer Solutions
Our team specialises in remuneration and incentive planning and works closely with employers, shareholders and employees to ensure that business strategies are aligned and goals achieved in the most tax efficient, cost-effective manner.
Entrepreneur and Private Client Taxes
Our team of experienced advisors are on hand to guide you through any decision or transaction ranging from the establishment of new business ventures, to realising value on exit, to succession planning and providing for loved ones.
Global Mobility Services
Grant Thornton Ireland offer a different approach to managing global mobility. We have brought together specialists from our tax, global payroll, people and change and financial accounting teams across Ireland and Northern Ireland, while drawing on the knowledge and insights of our global network of over 143 offices of mobility professionals to provide you with a holistic approach to managing global mobility.
Outsourced Payroll
Our outsourced service provides valued service to over 150 separate PAYE schemes. These ranging from 1 to 1000 employees, working for micro, SME and global employers. The service is supported by the integrated network of tax and global mobility teams and the wider Grant Thornton network delivering a seamless service. Experienced staff deliver a personal service built around your business needs.
Tax Disputes and Investigations
Our Tax Disputes and Investigation team is made up of tax experts and former HMRC investigators who have years of experience in dealing with a variety of tax investigations. Our expertise and insight can guide you through all interactions, keeping your cost at a minimum while allowing you to continue with the day to day running of your business.
VAT and Indirect Taxes
At Grant Thornton (NI) LLP, our team helps Northern Ireland businesses manage their UK and global indirect tax risks which, as transactional taxes, can quickly become big liabilities.

Related insights:

Article The importance of ensuring your business is sale-ready

Prepare your business for a successful sale with expert tax planning and due diligence to minimise risk and maximise value.

| 3 min read | 10 Jun 2025

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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. With a presence in over 149...

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