What we do
The Tynwald Auditor General (TAG) is responsible for public audit on the Isle of Man, tasked with:
- securing audits or assurance reviews of the accounts of a range of public sector bodies; and
- undertaking studies on the economy, efficiency and effectiveness of a range of public sector bodies.
The position arises from the Tynwald Auditor General Act 2011. The first Tynwald Auditor General, Stephen Warren, was appointed by Tynwald and took up his position in May 2023.
The role is independent of government and other public sector bodies within his remit. He reports to Tynwald.
The responsibilities of the TAG, fulfilled through Audit Vannin, relate to:
- the Departments, Statutory Boards and Offices of the Isle of Man Government;
- Government-owned companies and their subsidiaries;
- Local authorities;
- Joint committees and boards; and
- Burial authorities.
The Tynwald Auditor General:
- Must consult with the Public Accounts Committee provide it with advice and assistance;
- Must consider whether matters may be appropriate for investigation by the Public Accounts Committee; and
- may examine matters referred to him by members of the public, Tynwald, or members of Tynwald.
Headed by Stephen Warren, Tynwald Auditor General, the Audit Vannin Team also comprises two Assistant Tynwald Auditor Generals (ATAGs), an Office Manager, and affiliates, who are engaged to provide specialist knowledge and experience where required.
Section 12 of the Tynwald Auditor General Act 2011 requires the TAG to lay before Tynwald an Annual Report on the general exercise of his functions including
- any general recommendations that arising from the exercise of his functions in the year; and
- a list of the requests that he has received under sections 6 and 10 of the Tynwald Auditor General Act 2011 and the action that he has taken in respect of those requests.
A copy of each year’s Annual Report is available here.
Cameron took up the role of Assistant Tynwald Auditor General (ATAG) for the Isle of Man in October 2024. He is responsible for assisting Stephen in running Audit Vannin.
Prior to his appointment as ATAG, Cameron was a Partner in Mazars UK’s Public Sector practice where he gained over 10 years’ experience of working in an assurance and advisory capacity with public sector organisations in England and Scotland. He was also Mazars Newcastle Office Managing Partner responsible for Mazars practice of over 50 professional staff in the North East of England. Prior to
that, Cameron gained over 20 years’ experience in public audit with the Audit Commission, latterly as a District Auditor.
Cameron is an honours graduate from Edinburgh University. He is also a member of the Chartered Institute of Public Finance and Accountancy (CIPFA).
He has been a non-executive director of a social housing provider in Newcastle upon Tyne and deputy chair of its Audit Committee.
Mike took up the role of Assistant Tynwald Auditor General (ATAG) for the Isle of Man in April 2025 on secondment from the UK National Audit Office (NAO). He is responsible for assisting Stephen in running Audit Vannin.
Alongside his appointment as ATAG, Mike is responsible for leading the NAO’s team maintaining the Code of Audit Practice for local auditors in England working directly to the UK’s Comptroller and Auditor General. He is also an audit practitioner leading the financial audit of various UK government departments. Prior to joining the NAO, Mike was a senior finance leader at Essex County Council covering the environment, sustainability and highways brief. He trained in the Audit Commission and served in a variety of roles across England for over 20 years, latterly as a District Auditor.
Mike is an honours graduate from Southampton University. He is also a fellow of the Chartered Institute of Public Finance and Accountancy (CIPFA) and has sat on CIPFA’s Council and Audit and Risk Committee. He has been a non-executive director of a specialist housing association in England and deputy chair of its board.
