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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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Article M&A outlook: Conditions continue to be positive for deal market

As we progress through 2025, the momentum behind the global mergers and acquisitions (M&A) market is positive.

Paul Prenter

| 5 min read | 13 May 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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Article FRS 102 Periodic Review series: Small companies
Explore key changes to small company disclosures under FRS 102 Section 1A, including UK GAAP updates on leases, tax, going concern and related parties.

Louise Kelly
| 6 min read | 30 Apr 2025
Audit and Assurance FRS 102 Periodic Review series: Other changes
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.

Louise Kelly
| 7 min read | 24 Mar 2025
Audit and Assurance ID Verification: Economic Crime & Corporate Transparency Act 2023
Companies House is introducing mandatory identity verification requirements for Directors and People with Significant Control (PSCs), as the next step towards full implementation of the Economic Crime and Corporate Transparency Act 2023.

Louise Kelly
| 3 min read | 20 Mar 2025
Audit and Assurance FRS 102 Periodic Review series: Accounting for leases
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.

Louise Kelly
| 7 min read | 24 Feb 2025

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 Inheritance tax changes: what they mean for Northern Ireland businesses

For over 30 years, the UK’s inheritance tax (IHT) framework has supported and encouraged business continuity with generosity in reliefs such as Business Property Relief (BPR).

Gemma Johnson

| 4 min read | 13 May 2025

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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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Article Northern Ireland’s economic pulse: calm stats, storm clouds

At first glance, the Northern Ireland economy looks steady. The latest batch of data from NISRA paints a relatively stable picture. Unemployment is low.

Andrew Webb

| 5 min read | 13 May 2025

Article FRS 102 Periodic Review series: Small companies

Explore key changes to small company disclosures under FRS 102 Section 1A, including UK GAAP updates on leases, tax, going concern and related parties.

Louise Kelly

| 6 min read | 30 Apr 2025

Tax Tariff turbulence: strategic approaches for Northern Ireland businesses

There is no ‘silver bullet’ for Northern Ireland businesses in how they can navigate the challenges posed by the recent tariff turbulence. However, it is crucial that they are agile, strategic, and proactive in managing risk within an increasingly uncertain trade environment.

Aidan Lyons

| 4 min read | 15 Apr 2025

Article The role of HR in sustainable business practices

Discover how HR can drive business sustainability through green practices, employee engagement, hybrid working and support for ESG and CSR goals.

Neil Hughes

| 3 min read | 08 Apr 2025

Trade tariffs New tariff paradigm

Explore how businesses can adapt to the new tariff paradigm with strategic supply chain adjustments, tax compliance, and pricing strategies in a shifting trade environment.

| 2 min read | 31 Mar 2025

Audit and Assurance FRS 102 Periodic Review series: Other changes

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.

Louise Kelly

| 7 min read | 24 Mar 2025

Article Northern Ireland must weather turbulence of global trade once again

Northern Ireland faces renewed trade uncertainty under Trump. Learn how tariffs, FDI risks, and economic shifts could impact businesses and how to stay resilient.

Andrew Webb

| 3 min read | 18 Mar 2025

Article A Call to Action for Women's Equality and Empowerment

Discover key actions to advance gender equality and empower women in leadership. Explore insights from global reports and practical steps for lasting change.

3 min read | 11 Mar 2025

Article How tax planning is crucial ahead of April deadline

Maximise tax efficiency before the 5 April 2025 deadline. Learn about key changes to IHT, CGT, SDLT, and pension contributions to optimise your planning.

3 min read | 25 Feb 2025

Audit and Assurance FRS 102 Periodic Review series: Accounting for leases

Louise Kelly

| 7 min read | 24 Feb 2025

Article The case for diversity in fostering innovation and creativity

Discover how diversity, equity, and inclusion drive innovation, creativity, and business success by fostering diverse perspectives, experiences, and ideas.

Neil Hughes

| 3 min read | 11 Feb 2025

Article A tale of two Programmes for Government

Explore the stark differences in pace between Northern Ireland and the south's Programmes for Government, and their impact on public services and infrastructure.

Andrew Webb

| 4 min read | 28 Jan 2025

Article Changes to company size thresholds in the UK

On 10 December 2025 the UK Government laid The Companies (Accounts and Reports) (Amendment and Transitional Provision) Regulations 2024, which will take effect on 6 April 2025.

Louise Kelly

| 4 min read | 28 Jan 2025

Article Personalised Learning Journeys: The Future of Organisational Development?

Discover how personalised learning enhances L&D strategies, boosts employee engagement, and aligns skills with organisational goals for success.

Neil Hughes

| 2 min read | 21 Jan 2025

Article Regional balance doesn’t need to mean ‘anywhere but Belfast’

Explore how regional balance policies aim to boost Northern Ireland's economy without undermining Belfast's pivotal role in growth, productivity, and innovation.

Andrew Webb

| 4 min read | 17 Dec 2024

Article Autumn Budget painful for business owners

Discover how the Autumn Budget impacts NI businesses with increased tax rates, NIC changes, and inheritance relief reforms. Prepare your plan now.

Alan Gourley

| 4 min read | 20 Nov 2024