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Business risk
Our Business Risk Services team deliver practical and pragmatic solutions that support clients in growing and protecting the inherent value of their businesses.
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Consulting
Tailored consulting solutions that deliver measurable results through digital, regulatory and strategic transformation.
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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.
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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
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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 Changes to filing options and requirements at Companies HouseFrom April 2027, Companies House will require all UK entities to file digital accounts. Learn what’s changing and how to prepare for the new rules.
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Article FRS 102 Periodic Review series: Small companiesExplore key changes to small company disclosures under FRS 102 Section 1A, including UK GAAP updates on leases, tax, going concern and related parties.
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Audit and Assurance FRS 102 Periodic Review series: Other changesOn 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 2023Companies 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.
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Corporate tax
End-to-end corporate tax support, from accurate compliance to specialist advisory, helping you meet obligations and create efficiencies.
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Employer solutions & payroll
Comprehensive support with employment tax, compliance and payroll outsourcing, simplifying employer responsibilities and protecting your workforce strategy.
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Indirect tax compliance & advisory
VAT, customs and trade solutions that ensure compliance, reduce costs and uncover cashflow opportunities.
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International tax
Practical advice and global strategies to manage transfer pricing, multi-jurisdictional compliance and cross-border tax structuring.
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Private client compliance and advisory
Tailored advice and compliance services to protect wealth, reduce liabilities and plan for succession with confidence.

End-to-end payroll support that keeps you compliant
Payroll is a critical business function, but one that’s increasingly complex and time-consuming. Mistakes can lead to penalties, unhappy employees and reputational damage. Whether you have a small team or a globally mobile workforce, accurate and compliant payroll is essential.
Our payroll team handles the full spectrum of payroll processing, reporting and compliance on your behalf. We stay ahead of HMRC rules and evolving legislation, so you don’t have to. With over 150 schemes under our management, we offer scalable support backed by tax and global mobility experts, ensuring a seamless service that gives you back time and control.

Our payroll solutions
Ensure your staff are paid accurately and on time
We manage end-to-end payroll processing tailored to your workforce size, structure and sector. Our service includes:
- Gross-to-net calculations, statutory deductions and benefit processing;
- Payslip generation and Real Time Information (RTI) submissions to HMRC;
- Year-end reporting and P60s.
Whether you run a simple scheme or a complex payroll, we provide a reliable, accurate and fully compliant service, ensuring employees are paid correctly and HMRC obligations are met without stress or delay.
Maintain compliance for senior and cross-border employees
High earners and internationally mobile staff face unique payroll complexities. We offer expert support to ensure correct tax treatment in both home and host countries.
We assist with:
- Shadow payrolls for expatriates and secondees;
- Dual withholding and double taxation risk management;
- Coordination with global mobility advisers.
Our specialist team ensures compliance with UK and international rules, supports accurate reporting, and reduces the risk of tax inefficiencies for your senior employees and business alike.
Avoid double taxation for cross-border workers
Employees working across borders can face tax in multiple jurisdictions. We help calculate and apply foreign tax credits, so they receive proper relief, and your business stays compliant.
We advise on:
- Relevant double tax treaty provisions;
- Tax credit calculations and timing;
- Accurate reporting within payroll and self-assessment processes.
Our proactive support protects employees from unexpected liabilities and ensures your business meets its obligations without overpaying tax.
Stay compliant and avoid penalties through accurate wage assessments
NMW compliance can be complex, especially for employers with variable hours, shift premiums or salary sacrifice arrangements. We support you with:
- Reviews of pay structures and risk areas;
- Calculation of NMW across different employee types;
- Accurate HMRC reporting.
We help ensure fair pay, reduce risk and support compliance with evolving NMW legislation, so your business remains protected, and your workforce is treated fairly.

Why Grant Thornton
We deliver dependable, flexible payroll services that scale with your business. Backed by specialist tax and mobility expertise, we ensure accuracy and compliance while freeing up internal resources.
With Grant Thornton, our clients receive:
- Total accuracy: Payroll that’s right first time, every time;
- Compliance assurance: Confidence that HMRC and NMW obligations are met;
- Flexible delivery: Scalable support for businesses of all sizes;
- Integrated expertise: Access to tax, global mobility and employer advisory teams.
Speak to our payroll specialists to simplify your processes and gain peace of mind.
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