Tax - Business Tax Advisory - Indirect Tax - Graduate Trainee - Milton Keynes - 1 September 2026

MAZARS UK; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading global professional services firm in Milton Keynes is looking for a Graduate Trainee in Tax. This role offers comprehensive training with a focus on VAT compliance advisory services for a variety of clients. The firm promotes a collaborative culture where you can grow your skills and make a meaningful impact. Strong academic performance and problem-solving abilities are required. This position starts on 1 September 2026.

Benefits

Fully funded professional qualification (ATT/CTA)

Comprehensive training and development

Mentorship and guidance

Qualifications

• Strong academic performance.
• Ability to think critically and solve problems.
• Excellent time management skills.

Responsibilities

• Support the provision of high-quality VAT compliance.
• Research VAT technical questions.
• Communicate with HMRC on client issues.

Skills

Curiosity to learn

Critical thinking

Problem-solving

Time management

Education

Undergraduate degree

Job description

Overview

Tax - Business Tax Advisory - Indirect Tax - Graduate Trainee - Milton Keynes - 1 September 2026 (5250)

Forvis Mazars: who are we?

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 UK and has over 3,400 professionals, with 190 partners. We have a clear purpose and a shared commitment to shape a better future. You’ll join a collaborative and inclusive team where you’re supported to grow your skills, explore new opportunities, and contribute from day one. You’ll work with a diverse client base, develop meaningful connections, and gain experience that extends beyond your local team. Together, we grow, belong and impact.

Tax at Forvis Mazars

At Forvis Mazars, we’re dedicated to helping you build a rewarding career. We value your expertise, experience, and ambition, encouraging you to bring your ideas and creativity to our national tax team.

• Experts in the field: You will undertake qualifications to build the skills and knowledge to expertly navigate the UK tax landscape. Your team will support you in your journey to professional excellence; whether dealing with employment taxes, corporate profits, international transactions, or personal income.
• Client-focused solutions: Work with a diverse range of clients, from individuals to large multinationals, providing tailored tax advice. Our team works with other specialists across different service lines within Forvis Mazars too, advising on tax, regulations and accounting and how that impacts the risk and governance of our clients.
• Commitment to excellence: Join a team that prioritises quality and trust. Our high standards ensure that every piece of advice we provide supports clients to make the most informed decisions. We are experts in managing risk and providing the latest advice, keeping on top of regulatory changes and developments in society.

You can find out more about Tax at Forvis Mazars here: Forvis Mazars | Careers | About us

About the Indirect Tax team

Forvis Mazars helps businesses plan for VAT before setting out on a new venture including setting up overseas, buying or selling a property or raising finances. Our experienced team addresses compliance issues proactively to help clients avoid penalties, as well as the impact of transactions on other areas of the business like audit and direct tax.

Hear from Jamie who started as an apprentice in our team:

Joining the Indirect Tax team as a school leaver has helped me develop a strong career path in a great team, and I have been provided with some fantastic opportunities to gain experience with a variety of clients and sectors. The skills I have learnt and support I have been given have helped me progress through my training contract and into the next stages of my career. The team genuinely cares about me and this helped ensure the transition to professional working life as seamless as possible.

Every story is different at Forvis Mazars. Our people have amazing, personal experiences so the best way to learn about life here is to hear it first hand, click here to hear their stories.

About the role

As a graduate trainee, here’s what will await you during your three-year training contract:

You will be supporting the team on the delivery of high quality compliance and advisory VAT services to clients. You will work with a broad range of clients, covering several sectors – including multinational businesses, international and UK listed and private companies, central and local government, not-for-profit organisations and financial institutions.

During your first two years you will:

• Support with the provision of high-quality VAT compliance on a portfolio of clients;
• Support the senior VAT Team by researching VAT technical questions, plus background information and useful publications;
• Assist the senior team members to develop the business and to seek new fee-earning opportunities within the Forvis Mazars client base and externally;
• Support the VAT Team with preparation of VAT return calculations;
• Be involved in written and verbal communications with HMRC;
• Communicate with the VAT Team on any issues or findings;
• Develop and apply technical knowledge gained from studies and on the job experience; and
• Present to both internal/external audiences on relevant VAT topics

By the end of your third year you will:

• Aid with the management of a portfolio of clients, including acting as one of the main points of contact for the clients and liaising with other advisors;
• Develop the VAT service offering by using advisory skills in assisting on a wide range of projects and sectors;
• Assist the Manager to develop the business and to seek new opportunities both within Forvis Mazars and externally;
• Support senior management on VAT planning and other ad hoc projects;
• Advise clients and partners about VAT, including changes to legislation and practice;
• Manage the successful delivery of VAT projects, ensuring technical excellence and practical/business driven approach is taken;
• Liaise and negotiate with HMRC on behalf of clients;
• Proactively manage existing clients to identify and win new work assignments; and
• Build and maintain strong relationships with clients and provide high levels of client service.

Who we’re looking for

• On track or have obtained an undergraduate degree. Strong academic performance is important; however, we understand that things don’t always go to plan. Our recruitment process looks at your whole self – academic achievements as well as other experiences in which you have grown and developed. You can read about our approach to academics in our FAQs.
• Deep curiosity to learn new things and is naturally inquisitive;
• The ability to think critically, solve problems and share knowledge with others;
• A commitment to self-development and learning;
• Strong sense of ownership of duties and high levels of responsibility to deliver on promises;
• Always looks to try their best in all they do and always looking for ways to improve;
• Enjoys meeting and engaging with new people with an underlying respect for individuals, diversity, and integrity;
• Works well under pressure and have a positive ‘can-do' attitude if faced with challenging situations;
• Excellent time management skills;
• A willingness to travel and adhere to our flexible working environment.

Learning and development

Fully funded professional qualification for this role: ATT/CTA

Our supportive culture includes coaching, mentorship, and one-on-one guidance to help you grow, belong and make an impact. In addition to funding qualifications, we provide time off to study, and a blended training approach including in person and virtual learning. You will be allocated a buddy before joining who will support you to settle into the team and navigate your first year at Forvis Mazars.

You will also receive comprehensive quality training and development to grow in your professional career; this includes development in professional excellence, client excellence, digital excellence, and technical excellence. Our goal is to support you in reaching your full potential and become a standout talent. To understand more read our FAQs.

Diversity, Equity and Inclusion

At Forvis Mazars diversity, equity and inclusion are central to our values. We value our people’s unique backgrounds, perspectives, and experience, and know this diversity creates better outcomes for our clients. At Forvis Mazars, we promote an environment in which you can grow your skills, belong to a team that values your ideas, and make an impact that matters.

Next steps

Roles will be closed as soon as we find the right people, so to avoid disappointment we encourage you to submit your application as soon as possible. Please note the start date is 1 September 2026. If you are an international applicant and/or require a visa please view our FAQs before applying to be aware of deadlines and important information you need to know before applying.