CASS Financial Services Assistant Audit Manager

Grant Thornton UK; London; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leading audit firm seeks an Assistant Manager with external audit experience to support its growing financial services client base. The role involves managing client portfolios, ensuring audit standards, and fostering professional development. The firm values integrity, innovation, and a commitment to personal and professional growth, offering flexible working options to maintain a healthy work-life balance.

Benefits

Flexible working options

Development programs tailored to aspirations

Qualifications

• Experience managing statutory and CASS audits for financial services clients.
• Experience managing audits of large companies and handling complex technical issues.
• Experience with IFRS and auditing listed companies is advantageous.

Responsibilities

• Achieving deadlines while understanding the commercial impact of actions.
• Serving as the primary client contact for daily matters and managing large clients.
• Providing regular communication and feedback, fostering training and development.

Skills

Client Asset (CASS) audits

Project management

Knowledge of UK GAAP / FRS102

Education

Professional qualification (ACA, CA, ACCA or equivalent)

Job description

More than you expected

The UK member firms of Grant Thornton are part of a global network of independent audit, tax, and advisory firms, made up of over 76,000 professionals in more than 150 countries. We are a team of independent thinkers who prioritize quality, inclusion, and integrity. Globally, we bring diverse experiences to our clients, delivering a better, more personalized, proactive, and agile service. That’s Grant Thornton.

Job Description: We want to share what it’s like to work within Audit at Grant Thornton and what sets us apart from others.

Why Audit at Grant Thornton

Our UK audit practice comprises over 2,300 people across 24 locations, led by Fiona Baldwin and supported by 50 audit partners. We pride ourselves on our strong position in terms of wellbeing, resources, and quality, evidenced by our recent positive AQR results. Our teams assist businesses and communities in making ethical decisions and achieving their goals. Our tailored, responsive approach provides the expertise clients need to grow and plan for the future.

This is the time to elevate your audit career with our expanding client portfolio. The evolving landscape demands a mindset that prioritizes integrity over convenience, encourages challenging ideas, and asks tough questions to ensure clients receive the assurance they need.

Our size and culture offer more career development opportunities. You will have greater responsibility, variety, and exposure to different clients. We support your growth through development programs and opportunities tailored to your aspirations.

We are open to supporting individuals returning from career breaks or industry roles who wish to re-enter the busy, flexible world of audit. Our vacancies are designed to facilitate upskilling and reintegration.

Life is about more than work

We value your life outside work. Flexible working options, such as reduced hours, job sharing, and hybrid working, are available to help maintain a healthy work-life balance. Whether it’s a run at 3 pm or picking up children from school, we aim to support your personal commitments within your work schedule.

Knowing we’re right for you

At Grant Thornton, we embrace individuality. Our inclusive culture values differences and respects colleagues, helping everyone perform at their best. Our open culture means interacting with leaders who are genuinely interested in you and your contributions. We encourage you to bring your whole self to work and pursue passions outside of work.

A look into the role

We seek an Assistant Manager with external audit experience, including Client Asset (CASS) audits, to support our growing financial services client base. Here’s what to expect:

• Achieving deadlines while understanding the commercial impact of actions related to productivity, recoverability, fee income, and client service.

• Serving as the primary client contact for daily matters, managing large, complex clients, highlighting issues affecting the audit opinion, and recommending appropriate actions. Ensuring audit reports meet standards and act as a best practice reference.

• Providing regular communication and feedback, fostering training and development for yourself and colleagues.

• Acting as a trusted business adviser, managing key client portfolios, and maintaining strong relationships with colleagues and clients.

• Organizing and attending marketing events, understanding the firm’s services, proposing innovative solutions, and building a network for referrals.

Knowing you’re right for us

The minimum criteria include a professional qualification (ACA, CA, ACCA, or equivalent) and experience managing statutory and CASS audits for financial services clients.

Preferred skills (not mandatory):

• Experience managing audits of large companies and handling complex technical issues.

• Strong knowledge of UK GAAP / FRS102.

• Project management experience.

• Experience with IFRS and auditing listed companies is advantageous.

Beyond the job

Your impact extends beyond daily tasks—through secondments, charity fundraising, or supporting entrepreneurs in developing countries. Our values—purposefulness, curiosity, candor, and kindness—guide us in doing the right thing.

We seek individuals eager to contribute, innovate, and exceed expectations—those who take pride in doing what’s right for the firm, clients, colleagues, and themselves. That’s how it should be.

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