Interim Internal Auditor – Insurance in London

Who we are

At Grant Thornton we’re building something bold. We’re doing things differently - looking to the future, driving ambitious growth and pioneering positive change in our industry. Providing audit, tax and advisory services, we empower clients through strategic insight, curiosity, and genuine partnership. And we empower our people with real opportunity. Our journey from great to exceptional is well underway. With significant investment behind us and a clear strategy for growth, there’s real momentum.

Our Agile Talent Community (ATC) brings together experienced contract professionals who want choice without losing connection. You work where you add the most value, alongside teams who treat you as a partner rather than a placeholder.

Joining us in Financial Services – Business Risk Services (FS BRS)

Grant Thornton’s Financial Services Business Risk Services (FS BRS) team delivers market-leading risk, control and governance services to clients across insurance, banking and investment management. We work alongside financial institutions to help them achieve their strategic goals – whether that means navigating new legislation, responding to regulatory change, or adapting their technology and operating models to stay competitive in a rapidly evolving landscape. Our work spans internal audit (outsource and co-source), finance and risk management, compliance and technology – giving our people broad exposure to some of the most complex and high-profile challenges in financial services today.

If you’re an experienced Interim Internal Auditor – Insurance who’s tired of choosing between freedom and meaningful work, there’s another route. Within our FS BRS team, you’ll be given the opportunity to take on short- to medium-term projects that sharpen your expertise, stretch your thinking, and give you a different angle on familiar challenges - all without locking you into a single path.

You can engage with us through your own limited company or on inside IR35 terms – whichever way gives you the freedom you’re looking for.

Skills we are looking for

• Proven end-to-end internal audit experience, encompassing planning, fieldwork and reporting, gained within the insurance sector across one or more of Life, General Insurance (GI) and/or Lloyd’s of London.
• A background at Assistant Manager to Senior Manager level within internal audit, with the capability to operate independently, take ownership of engagements and contribute meaningfully from the outset of an interim assignment.
• Solid understanding of risk management frameworks and internal control environments, including the ability to identify, assess and articulate control weaknesses and their potential impact within a regulated insurance business.
• Strong familiarity with audit management software and Microsoft Office packages, with the ability to produce clear, well-evidenced workpapers and audit reports that meet professional standards and withstand scrutiny from senior stakeholders and regulators alike.
• Good working knowledge of the regulatory landscape applicable to insurance, including PRA and FCA requirements, Solvency II and the expectations around governance, risk and compliance within insurers and Lloyd’s managing agents.
• Demonstrated ability to engage confidently with stakeholders across all levels of an organisation, communicating audit findings in a clear and constructive manner and building the trusted relationships that underpin effective internal audit delivery.

Why Consultants choose the ATC

• Work that moves you forward
• When a project fits your skills, we’ll get in touch, but you choose whether it’s right for you. That means working on engagements that genuinely build your portfolio and expand your expertise.
• The freedom of contracting without the hidden admin
• You’re not left to navigate the freelance world alone. Our Agile Talent team helps you understand freelance regulation and connects you with people who broaden your thinking through our teams and clients.
• Community you can actually feel
• Connection shouldn’t disappear just because you’re contracting. From market insights to wellbeing sessions to networking events, you’ll be part of a community designed to make the independent path less isolated and more impactful.

Our culture and values

We have a culture where talented people thrive – where high performance is not just expected but enabled. It’s a culture built on clarity, curiosity, and care. One that challenges us to aim higher, where we’re encouraged to make the most of an abundance of resources to fuel our own development, and where we support each other to grow, learn, and succeed.

Our open and accessible culture means you’ll interact with leaders who are interested in you and everything you bring to our firm. The things that set you apart, we value them. That’s why we give you the freedom to bring your whole self to work and pursue your passions inside and outside of work.

How to join

We keep the process straightforward, because the real work happens once you’re here.

• Submit your CV and basic details through our online application.
• If there’s a match, a recruiter will reach out to discuss.
• Meet key stakeholders for a focused conversation.
• Complete your background checks, join the Agile Talent Community, and start exploring the opportunities we have to offer.

If you need adjustments at any point in the process, please let us know during the application stage - we aim to make sure our roles are accessible to everyone.