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Advisory
Audit and Assurance
Financial Services
Financial Accounting and Advisory Services (FAAS)
Tax

Advisory

Dynamic organisations need a broad range of advisory services to support their ambition and growth.

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Business Consulting
Our Business Consulting unit supports you in this process, is very responsive and delivers results quickly.
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.
Digital risk
Grant Thornton offers solutions to the digital risk issues you are sure to face. Our skilled and experienced security team can helping by advising and consulting, giving you peace of mind, clear value for money and an enhanced ability to react to attacks.
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.
People and Change Consulting
The Grant Thornton People & Change Consulting practice works with clients on these issues, as well as assisting them on all aspects of how they attract, engage, retain, develop, deploy and lead their people.

Audit and Assurance

Grant Thornton in the Isle of Man has brought a new way of thinking about audits by combining world leading technologies with a highly qualified team of audit...

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Financial Services

Grant Thornton’s offering to the financial services industry is unique in that our team brings a wide range of experience with backgrounds in banking,...

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Actuarial
Grant Thornton offers a broad range of actuarial services across life insurance, non-life insurance, and health insurance. Offering actuarial expertise and integrated services across the evolving data analytics and modelling universe, Grant Thornton provides access to its experts and international network.
Aviation Advisory
At Grant Thornton, we have been immersed in the industry throughout a relatively recent period of unparalleled growth resulting in one of the largest aviation advisory teams in Europe. Through the vast experience we have gained, we offer leading expertise across our aviation advisory, aviation tax and aviation audit service lines.
Data Analytics
The Grant Thornton Data Analytics team delivers expert solutions to these issues for clients across the banking and financial services sector.
Financial Services Consulting
We work closely with clients to understand their strategy and benchmark their performance against the very best international standards across both established and new players in the financial services sector.
Fintech
Our Fintech team will be offering you an opportunity to sit with our experienced consultants to discuss your challenges.
FS Business Risk Services
Our FS Business Risk Services team comprises of professionals with real experience of the financial services industry, obtained through working within regulatory bodies or holding leadership positions in Risk, Compliance and Internal Audit functions.
Prudential Risk
Grant Thornton’s industry leading Prudential Risk team works with clients across the financial services sector on a range of areas including regulatory reporting, regulatory authorisations, on-site investigations and data quality assurance.
Quantitative Risk
Our Quantitative Risk team members bring a wide range of experience with many of them having backgrounds in banking, investment markets, regulation, professional practice, and academia.
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. The prize that awaits those that can adapt to this new reality is a resilient business that can capitalise on the opportunities this change will bring, contributing to a better future for all stakeholders.

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...

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Tax

Grant Thornton provides expert advice to a diverse range of clients, including sole traders, small and medium sized businesses, high net worth individuals,...

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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 services
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.

In a world of increasingly complex tax legislation and scrutiny from tax authorities, it is vital that successful individuals and businesses obtain the necessary support to ensure they are not only meeting their obligations but doing so in a tax efficient manner.

At Grant Thornton, we provide a personal, proactive and partner-led approach to both advisory and compliance work. Our team of experienced tax advisors provide advice to a diverse range of clients throughout every stage of the business lifecycle.

Grant Thornton Isle of Man is part of Grant Thornton Ireland all-island tax practice comprising over 200 tax professionals who can provide innovative, robust and commercially aligned tax advice across both UK and ROI tax jurisdictions.

Our team can advise on the expatriate and international tax issues, support international expansion through our global mobility services and provide access to our global network in over 130 countries to ensure compliance with international tax regimes.

Our Tax

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.

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.

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.

Global mobility services

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

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.

Our Tax

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