Grant Thornton Isle of Man

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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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Aviation Advisory
Our dedicated Aviation Advisory team bring best-in-class expertise across modelling, lease management, financial accounting and transaction execution as well as technical services completed by certified engineers.
Business Risk Services
Our Business Risk Services team leverage our risk, internal audit and technology subject matter expertise to critically assess your governance, risk and internal control mechanisms, thus helping you to better manage risk and enable more informed decision making.
Consulting
Whatever your business needs, our Consulting team can help you to move forward and identify and implement major transformations efficiently and effortlessly.
Financial Accounting and Advisory Services (FAAS)
As organisations expand into new markets or undertake functional financial transformations, the challenges faced by their accounting and finance teams become more complex. The Financial Accounting and Advisory Services (FAAS) team at Grant Thornton is a multi-disciplinary team that designs and implements creative solutions to address these complexities.
Fintech
Our Fintech team will be offering you an opportunity to sit with our experienced consultants to discuss your challenges.
Forensic Accounting
Organisations may undergo some type of dispute or internal investigation during their lifetime. Our Forensic Accounting team can seek evidence that can make the difference between finding the truth or being left in the dark.
Risk Advisory
Our Risk Advisory team delivers innovative solutions and strategic insights for the Financial Services sector, addressing disruptive forces, regulatory changes, and emerging trends to enhance risk management and foster competitive advantage.
Sustainability Desk
We recognise that businesses are operating at different levels of maturity when it comes to sustainability, and pride ourselves on working with our clients to develop bespoke solutions to their exact needs.

Audit

Our services can strengthen your business and stakeholders' confidence. You'll receive professionally verified results and insights that help you grow.

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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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Company Tax
Our tax team is made up of highly experienced professionals who work with our clients to ensure they are compliant with all aspects of their corporation tax obligations by gaining a deep understanding of the businesses.
Global Mobility
Grant Thornton 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
Indirect Tax
Our Indirect Tax team helps businesses manage their IOM, UK and global indirect tax risks which, as transactional taxes, can quickly become large liabilities.
International Tax
We work closely with our colleagues globally to provide a seamless multi-jurisdiction service offering which ensures clients have an appropriate tax structure that mirrors what they are doing operationally – a key consideration in a world where it is no longer possible to separate a company’s tax and operational presences.
Private Client
Our team of experienced advisors can assist and navigate you through the tax issues arising when establishing a business, moving to the Island, leaving the island, passing on wealth alongside residence and domicile issues. We can help minimise the impact that taxes, such as income tax, capital gains tax and inheritance tax, may have upon your personal wealth.

We combine global scale with local insight and quality to give you the advisory, audit and tax services you need to realise your ambitions.

Read our latest insights, reports and more

Audit and Assurance FRS 102 Periodic Review Series – Accounting for Revenues

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

| 5 min read | 23 Jan 2025

Advisory Are you ready for an IOMFSA fitness & propriety assessment?

Isle of Man Financial Services Authority's letter highlights recruitment challenges for Heads of Compliance and MLROs, emphasising the importance of Fitness and Propriety standards.

| 4 min read | 11 Jul 2024

Women in business Women in Business 2024

2024 marks the 20th year of Grant Thornton’s work to monitor and measure the proportion of women occupying senior management roles in mid-market companies around the world.

08 Mar 2024

Grant Thornton announces charity partner Grant Thornton announces charity partner

Grant Thornton, a leading Professional Services firm in the Isle of Man, has announced ‘Wish Upon a Dream’ as its charity partner for the next two years.

1 min read | 07 Jun 2023

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