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Services

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.

Related insights:

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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Related insights:

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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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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Meet our people

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View our past webinars and register for upcoming events.

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Clarity and impact for complex transformation

Transformation today demands more than theory. From economic pressures and regulatory reform to digital disruption and shifting workforce expectations, organisations face constant pressure to adapt. Grant Thornton provides practical consulting support that keeps transformation aligned with your strategic objectives—every step of the way.

We combine industry know-how with cross-functional expertise to drive change that lasts. Whether you're improving operational resilience, accelerating innovation or managing stakeholder expectations, our consultants work closely with you to deliver results that matter—quickly and effectively.

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Our solutions

CFO advisory

Modernise your finance function with advisory, automation and outsourcing solutions that free up time and improve performance.

HR and people solutions

Future-proof your workforce with expert HR, L&D and change solutions designed to support growth, culture and compliance.

Regulatory and policy solutions

Expert support to manage regulatory change, streamline reporting and reduce compliance risk across your organisation.

Workforce solutions

Flexible staffing and workforce planning solutions that help organisations stay agile, compliant and ready for growth.

Digital solutions

Deliver digital transformation with strategies, systems and solutions that improve productivity, resilience and business value.

M&A solutions

Achieve successful transactions with buy-side, sell-side and integration support tailored to your business strategy.

Sustainability solutions

Practical ESG strategies, reporting and risk solutions that help organisations build sustainable, resilient futures.

CFO advisory

Modernise your finance function with advisory, automation and outsourcing solutions that free up time and improve performance.

Digital solutions

Deliver digital transformation with strategies, systems and solutions that improve productivity, resilience and business value.

HR and people solutions

Future-proof your workforce with expert HR, L&D and change solutions designed to support growth, culture and compliance.

M&A solutions

Achieve successful transactions with buy-side, sell-side and integration support tailored to your business strategy.

Regulatory and policy solutions

Expert support to manage regulatory change, streamline reporting and reduce compliance risk across your organisation.

Sustainability solutions

Practical ESG strategies, reporting and risk solutions that help organisations build sustainable, resilient futures.

Workforce solutions

Flexible staffing and workforce planning solutions that help organisations stay agile, compliant and ready for growth.

Businesswoman discussing work with coworkers in office

Why Grant Thornton

Our Northern Ireland consulting team delivers high-impact solutions tailored to your operational context and sector challenges. We offer practical support that adapts to your business needs—whether you're solving immediate problems or planning long-term transformation.

With Grant Thornton, our clients receive:

Local insight: Deep understanding of the Northern Ireland regulatory and business landscape
Connected delivery: Seamless support across disciplines and functions
Scalable solutions: Flexible, practical advice that evolves with your needs
Trusted relationships: A collaborative, outcomes-driven approach to transformation
Measurable value: Tangible improvements in performance, engagement and resilience

Take action today. Speak to our Northern Ireland Consulting team to explore how we can help you move from change planning to lasting impact.

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Transformation excellence

Supporting successful transformation across consulting

Underpins transformation across services

Our Transformation Excellence approach supports strategic, enterprise and regulatory change where transformation is a core focus.

Guides delivery at every stage

We support clients through each phase of change, from planning and mobilisation to sustained implementation.

Built to align with client goals

Transformation is always connected to client priorities—balancing ambition with commercial reality.

Focus on people and outcomes

We emphasise leadership, stakeholder engagement and structured planning to ensure transformation succeeds.

Strategic change

Align strategy with long-term growth

Corporate and business planning

We shape strategic direction and align planning with evolving priorities for sustainable business growth.

Target operating model design

We redesign operating models to support transformation and improve cross-functional performance.

Business and tech strategy alignment

We ensure business and digital goals work together to accelerate value creation.

Workforce and HR planning

We support HR strategy, workforce modelling and organisational restructuring to build resilience.

Enterprise change

Unlock efficiency and performance

Digital transformation delivery

We modernise systems and operations to enhance agility, productivity and customer experience.

Finance and ERP transformation

We optimise finance functions and lead full ERP implementations with minimal disruption.

Continuous improvement models

We introduce lean methodologies to streamline operations and embed a culture of progress.

Performance measurement frameworks

We help track results through tailored metrics, dashboards and data visualisation tools.

Regulatory programmes

Navigate regulatory change with confidence

Regulatory change execution

We manage programmes that ensure timely, compliant delivery of complex regulatory changes.

Governance and risk strategy

We help clients design oversight and control models that meet evolving regulatory demands.

Compliance training and education

We build knowledge internally to support sustainable compliance post-implementation.

Programme leadership and reporting

We lead large-scale regulatory initiatives with clear milestones, stakeholder updates and quality assurance.

Enterprise Change Framework

A flexible model for delivering transformation

Guides transformation from end-to-end

Our ECF is used to deliver strategic, operational and regulatory change programmes with clarity and control.

Supports a wide range of change types

From digital transformation to compliance delivery, the framework is adaptable across industries and scopes.

Tools that enhance delivery and oversight

Includes practical toolkits for managing risk, resources, governance and success tracking.

Enables outcomes, not just outputs

ECF ensures transformation work is aligned, achievable and tied to meaningful business results.

Consulting

Clarity and impact for complex transformation

Our solutions

Why Grant Thornton

Supporting successful transformation across consulting

Align strategy with long-term growth

Unlock efficiency and performance

Navigate regulatory change with confidence

A flexible model for delivering transformation

Contact our consulting experts