AOS - Accounting & Outsourcing Apprenticeship Rotation Programme

Forvis Mazars is a leading global professional services network providing audit & assurance, tax, and advisory services. Forvis Mazars in the UK spans 14 offices across the nation and has over 3,400 professionals, with 190 partners. We have a clear purpose and a shared commitment to shape a better future. Kick-start your career with hands‑on experience. Our Accounts & Outsourcing Services (AOS) Programme gives you the opportunity to gain hands‑on experience across our teams while working towards a professional ACA qualification.

You'll work with a diverse range of clients, from fast‑growing entrepreneurial businesses to large international organisations, helping them manage their finances, improve processes and make informed business decisions. Along the way, you'll develop technical expertise, digital and project management skills, build strong client relationships and gain valuable insight into how businesses operate both in the UK and globally. This programme is designed to help you become more than a qualified accountant.

You'll develop the skills, confidence and commercial understanding needed to build strong client relationships and progress towards future leadership opportunities.

A career in AOS offers variety, responsibility and the chance to make a real impact from day one. Through a range of rotations, you'll gain experience supporting fast‑growing business with an effective finance function. Work with international businesses, preparing financial information, delivering valuable business insights, and working on advisory projects. You'll develop technical expertise, build sector knowledge, and learn how technology, automation and AI‑enabled tools are transforming finance functions and helping organisations work more effectively.

By the end of the programme, you'll have a broad understanding of accounting and outsourcing services, valuable client experience, strong digital and project management skills, and the confidence to choose a specialism that's right for you.

During the programme, you'll rotate across different AOS teams, working with a variety of clients, industries and projects.

• Supporting finance functions using the latest technology, automation and AI tools.
• Providing a client with insightful management information to help them make key business decisions.
• Producing financial statements and working alongside the client to project manage their audit process.
• Working with international clients, global teams and Forvis Mazars colleagues, supporting the client with global coordination activities.
• Developing expertise in sectors such as financial services and healthcare.
• Support delivery of advisory projects, such as reviewing a client's finance function and providing recommendations for improvement, utilising the latest technology and AI‑enabled tools to improve processes and deliver efficient solutions.
• Analysing financial data to solve business challenges.
• Building client relationships and becoming a trusted part of their finance team.

• Build digital confidence by learning how tax technology, data and automation support modern client work.
• Put your learning into practice through real client work and see how your contribution supports clear and valuable outcomes.
• You will benefit from balanced study and client work with structured support, regular check‑ins and practical guidance.
• With exposure to different teams, clients and industries, our AOS Rotational Programme is designed to help you discover what excites you most while building the skills for a successful career.

• Do you enjoy solving problems and figuring out how things work?
• Are you organised, enjoy working to deadlines and…