Expert-led audits tailored to financial services
In a complex and fast-moving sector, financial services firms face increasing regulatory scrutiny and evolving reporting standards. Getting your audit right isn’t just a compliance exercise, it’s essential for protecting your reputation, supporting your strategy and building stakeholder trust.
Grant Thornton’s Financial Services Audit team specialises in high-quality audits for banks, insurers, investment funds, credit institutions, fintechs, securitisation vehicles and other regulated entities. With deep sector knowledge and a practical, solutions-driven mindset, we help clients manage complexity, gain assurance and meet their obligations with confidence.
We don’t just audit accounts, we identify risks early in the audit process, offer clarity and provide the insight you need to make informed decisions. Whether navigating IFRS 9, IFRS 17, CASS or other frameworks, our expert teams work at pace while maintaining the highest standards. Let us help you stay compliant, resilient and audit ready.

Our FS audit solutions
Build resilience and meet regulatory expectations
Our audit services for banks focus on delivering clarity and assurance in an increasingly complex environment. We help clients navigate domestic and international regulatory expectations, providing insights into the implications of evolving standards. Our experienced teams understand the credit risk, provisioning and financial reporting challenges facing banks and work collaboratively to provide practical insights.
- Sector-specific knowledge of banking regulations and prudential frameworks
- End-to-end support through planning, execution and audit committee reporting
- Emphasis on controls, governance and risk awareness
Whether you are a domestic retail bank or part of a global group, we offer a consistent, robust audit process that supports both operational stability and regulatory compliance.
Navigate IFRS 17 and maintain stakeholder confidence
We provide comprehensive audit services tailored to the unique needs of insurers across life, non-life and reinsurance. Our approach is grounded in deep technical understanding of IFRS 17 and Solvency II requirements, with a sharp focus on risk management and transparency.
- Dedicated audit teams with strong actuarial and regulatory expertise
- Practical guidance on implementing IFRS 17 and interpreting its impact
- Independent assurance to meet the expectations of boards, investors and regulators
Our insurance audit clients benefit from a rigorous and forward-looking service that ensures financial reporting is both compliant and decision-useful.
Deliver clear, timely insight to investors
We deliver high-quality audits for a wide range of regulated and unregulated fund structures, including UCITS, AIFs, private equity, real estate and hedge funds. Our teams understand the operational nuances of fund managers and administrators[JN1] , and how to meet the demands of investors and regulators.
- Strong track record auditing both fund entities and management companies
- Experience with a broad range of NAV methodologies and performance fee models
- Technical knowledge across IFRS, FRS 102, US GAAP and local frameworks
We help asset managers demonstrate strong governance, efficient operations and timely reporting, supporting investor confidence and regulatory readiness.
Ensure compliance and protect reputational value
As a market leader in Section 110 and structured finance audits, we offer deep experience across a broad range of SPVs. From securitisations and CLOs to leasing and receivables platforms, we tailor our audit services to meet technical requirements while maintaining speed and efficiency.
- Deep understanding of legal and tax structures relevant to SPVs
- Proactive approach to addressing valuation, disclosures and transfer pricing
- Trusted audit partner for arrangers, trustees and service providers
We help clients in capital markets ensure that SPVs meet statutory requirements and stakeholder expectations, while keeping complexity under control.
Support compliance while protecting community impact
We understand the unique role credit unions play in financial inclusion and local development. Our audit services help credit unions meet regulatory obligations while sustaining the trust of their members and communities.
- Experienced in auditing both large and small credit unions across Ireland
- Tailored risk-based approach that reflects sector-specific regulations
- Practical recommendations to support governance and internal control improvements
We combine audit rigour with a supportive, partnership-driven approach that enables credit unions to thrive and stay compliant.
Build trust through safeguarding and CASS compliance
Emerging financial service providers must balance innovation with a growing web of regulatory requirements. We help e-money, payment and fintech firms meet audit obligations such as safeguarding audits and CASS assurance, while managing risk and maintaining investor and customer trust.
- Expertise in auditing firms under the Payments Services Directive and E-Money Regulations
- Clear, structured audits for safeguarding, capital adequacy and operational resilience
- Fast-moving support that aligns with your business model and pace of change
Our specialists help growth-stage firms establish audit readiness, demonstrate compliance and instil confidence among regulators and partners.
Gain clear insights and assurance for complex aviation structures
Our aviation audit team combines industry knowledge with technical expertise to deliver reliable, high-quality services on time. We work with lessors, investors, airlines and regulated entities across multiple jurisdictions, helping you meet compliance requirements while supporting your strategic objectives.
With a cross-functional team of experienced aviation professionals from both industry and practice, we provide tailored audit solutions that reflect the complexity of the aviation market. Our engagements are structured to ensure efficiency, clear communication and robust governance.
Our aviation audit credentials include:
- Preparation and audit of multiple SPV financial statements for the top 10 global lessors;
- Auditors to a broad portfolio of aviation clients, from inception to multiple SPV group structures;
- Auditors to local management companies and SPVs holding loan and investment portfolios;
- Audit of aviation structures including owned asset, lease in lease out, ECA and ABS financing;
- Advisory support to leading aviation lessors in contracts management, lease and asset management, technical, pricing and finance, including the design of MR, pricing and cash flow forecasting models.
Over 90% of our aviation clients say they would recommend us as a trusted service provider. We would be delighted to share client references or discuss how our aviation audit expertise can support your business.
Support governance and compliance while providing a bird’s eye view
We understand the role pension schemes play in financial services sector. Our audit services help pension schemes meet regulatory obligations while sustaining the trust of the Trustees and key stakeholders.
- Experienced in providing both internal (IORP II) and external audit services specific to each pension scheme needs
- Tailored risk-based approach that reflects sector-specific regulations
- Practical recommendations to support governance, compliance and internal control improvements
We ensure that Trustees meet their obligations both in terms of scheme management and in continuing professional development.

Why Grant Thornton
We understand that financial services audits require more than technical know-how, they demand sector insight, agility and a practical mindset. At Grant Thornton, we go beyond standard audit delivery to offer strategic value, deep regulatory understanding and responsive support throughout the process.
With Grant Thornton, our clients receive:
- Sector-specific insight: We bring deep technical knowledge of the financial services landscape, tailoring audits to your regulatory and reporting environment
- Expert-led delivery: Our audits are led by senior professionals who understand your business and can respond to complex issues in real time
- Integrated expertise: We draw on specialists in tax, actuarial, valuation and risk to deliver joined-up support across all stages of the audit
- Efficient audit execution: We use digital tools and streamlined workflows to minimise disruption and accelerate delivery without compromising quality
- Clarity and responsiveness: You get direct access to decision-makers, clear communication and practical answers to emerging audit issues
Speak to our financial services audit specialists to find out how we can help your organisation stay audit ready and resilient in an ever-changing regulatory landscape.
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