Audit Senior Manager - CASS

Audit Senior Manager - Financial Services (CASS) | Top 10 Firm

London | Hybrid (60% office-based)

Salary: Up to £95,000 (DOE) + excellent benefits

Are you an experienced Financial Services Audit professional with strong exposure to CASS and a passion for leading teams and shaping client relationships? We're partnering with a leading Top 10 accountancy firm looking to strengthen its growing Financial Services Audit team with a high-calibre Senior Manager.

This is a fantastic opportunity to join a forward-thinking, technology-driven firm investing heavily in AI and innovation, giving you access to smarter tools and more efficient ways of working - well ahead of many competitors.

The Audit Senior Manager Role:

As an Audit Senior Manager, you will manage a varied portfolio of Financial Services clients, taking ownership of delivery, client relationships, and team development. You'll also play a key role in driving the growth and evolution of the Financial Services offering.

You'll work closely with partners while helping to shape strategy, support junior talent, and ensure the highest audit standards across your portfolio.

Audit Senior Manager Key Responsibilities:

• Managing a diverse portfolio of Financial Services audit clients


• Leading audits in line with IFRS / UK GAAP and regulatory requirements


• Providing practical guidance on areas such as governance, tax, and VAT


• Acting as a trusted adviser to clients, building strong, lasting relationships


• Driving revenue, profitability, and WIP management across your portfolio


• Supporting partners on strategic initiatives and team planning


• Coaching, mentoring, and developing junior staff

You'll be a confident and commercially aware Financial Services audit professional, comfortable leading engagements and engaging with senior stakeholders.

Ideal experience includes:

• ACA / ACCA (or equivalent) qualified


• Strong background in Financial Services audit


• Experience or exposure to CASS audits


• Solid technical knowledge of IFRS / UK GAAP


• Proven ability to manage teams and client relationships


• A proactive, solutions-focused mindset

• Hybrid working - 60% office-based


• Modern London office with ~150 people


• A highly sociable and collaborative environment


• Friendly culture - approachable, supportive, and team-driven


• Balanced atmosphere: quiet enough to focus, without being rigid or "library-like"


• A respectful, delivery-focused culture where getting high-quality work done is key


• Significant investment in AI and technology, giving you access to cutting-edge tools

• Salary up to £95,000 (DOE) - with flexibility depending on experience and potential


• Hybrid working model


• Competitive pension and benefits package


• Strong learning & development support


• Clear progression pathway within a growing FS team


• Exposure to high-quality clients and leadership

The interview process is designed to be relaxed and conversational. The hiring manager will focus on getting a broader understanding of your experience, particularly your Financial Services background and exposure to CASS. You may be asked a few technical questions, but nothing that requires extensive preparation.

Overall, the first stage is an exploratory discussion - giving you the chance to showcase your experience while getting a genuine feel for the team and opportunity.

If you're looking to step into a senior leadership role within a Top 10 firm, while working in a collaborative, forward-thinking environment with strong investment in technology, we'd love to hear from you.

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As an employer, we are committed to ensuring the representation of people from all backgrounds regardless of their gender identity or expression, sexual orientation, race, religion, ethnicity, age, neurodiversity, disability status, or any other aspect which makes them unique. We welcome applicants from all backgrounds to apply and would encourage you to let us know if there are steps, we can take to ensure that your recruitment process enables you to present yourself in a way that makes you comfortable.

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