Gemma Johnson

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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 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

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:

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
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.

| 4 min read | 28 Jan 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:

Tax Navigating 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

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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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Events

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Experience

Gemma joined Grant Thornton in 2019. She has over 18 years’ experience working with private individuals, including many High Net Worth individuals, and their businesses. Gemma specialises in tax-efficient business and transaction structuring; providing bespoke solutions that maximise value for the key stakeholders and meet their specific objectives.

Sector Experience

Gemma has significant experience in:

assisting Private Business owners with tax-efficient structuring of their business interests
assisting with business mergers and acquisitions
helping shareholders/directors plan for a sale or other exit
providing professional partnerships with restructuring advice
assisting businesses with EIS applications and helping EIS investors to maximise available relief
providing bespoke tax planning to wealthy individuals; and
tax compliance including dealing with HMRC on complex enquiries

Qualifications

Fellow of Chartered Accountants Ireland

Latest Articles

Tax HMRC’s One to Many Approach

The ‘One to Many’ (“OTM”) approach is a general term that HMRC gives to a wide reaching tactic used to provide information to influence the behaviour of taxpayers with the aim of improving their accountability and adherence of tax rules.

Gemma Johnson

| 4 min read | 11 Jan 2024

Tax Are businesses making the most of EV incentives?

Towards the end of 2023, the UK Government set out its mandate requiring all new cars and vans sold in the UK to be ‘zero emission’ by 2035 with stringent electric vehicle (EV) quotas on car manufacturers in the run-up to 2025. The pathway, which came into effect from the start of this month, is intended to provide certainty to car manufacturers, confidence to investors putting their money into charging infrastructure, and time for families to begin making the switch to EVs.

Gemma Johnson

| 2 min read | 09 Jan 2024

Belfast Telegraph Can you have too much money?

Having an abundance of cash on hand may not seem like too much of a problem for most of us, however there are potential downsides for businesses who are reporting excess cash on their balance sheets.

Gemma Johnson

| 2 min read | 15 Jun 2021

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Gemma Johnson

Director - Tax

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