Global Mobility Tax Assistant Manager

Forvis Mazars LLP; Stafford; On-site; GBP 70,000 - 110,000; Full time

Job summary

Forvis Mazars seeks an experienced expatriate tax professional in the UK to lead global mobility client work and deliver high‑quality tax solutions. You will mentor junior colleagues, manage client relationships, and contribute to the successful delivery of complex expatriate tax projects.

The role requires ATT/CTA qualifications and deep GM knowledge to navigate post‑Brexit considerations and international assignments. A collaborative, inclusive team culture is emphasized.

Qualifications

• ATT or CTA qualified.
• Extensive expatriate tax/global mobility experience.
• Experience managing expatriate tax programs with a track record of high‑quality delivery.
• Strong knowledge of GM advisory issues (SRT, Social Security, Brexit, NRDs, payroll).

Responsibilities

• Conduct arrival and departure meetings with international assignees.
• Build and maintain relationships with clients and provide a high level of client service.
• Manage and coach junior members of the team to ensure a high standard of client delivery.
• Assist in the management of successful delivery of tax projects with technical excellence.

Skills

Global mobility

Expatriate tax

Client relations

Team coaching

Job description

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.

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.

About the team

Working closely with the Directors and Partners of the Global Mobility Team , you will focus on expanding the reach of the practice and on the delivery of an exceptional service to your clients, demonstrating your solid tax technical capabilities and building strong and lasting relationships with your client base. Combined with this you will also be responsible for developing and coaching junior members of the team , and other functions needed for the efficient running of the team .

About the role

• Conducting arrival and departure meetings with international assignees.
• Build and maintain relationships with clients and provide a high level of client service.
• Manage and coach junior members of the team to ensure a high standard of client delivery .
• Assist in the management of the successful delivery of tax projects, ensuring technical excellence and a practical/business driven approach.

What we are looking for

• ATT or CTA qualified
• Extensive relevant expatriate tax/global mobility experience .
• Experience of managing expatriate tax programs with a track record of high-quality delivery .
• Strong practical knowledge of current GM advisory issues including SRT, Social Security and PWD post Brexit, Double tax treaties, NRDs, modified payroll, remote workers, PAYE obligations .

Diversity , Equity & 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 create better outcomes for our clients. We seek to attract, develop, and retain the best talent, inclusive of sex, ethnicity, disability, socio-economic background, sexual orientation, gender identity, nationality, and faith. We select candidates based on skills, knowledge, qualifications, and experience and aim to support all our team members to reach their potential. 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.