Tax Dispute Resolution: Assistant Manager

Forvis Mazars LLP; Greater London; On-site; GBP 60,000 - 90,000; Full time

Job summary

Forvis Mazars LLP in the UK is seeking an Assistant Manager in Tax Dispute Resolution. You will advise clients across a varied portfolio of tax disputes and HMRC enquiries, supporting senior colleagues and developing case strategies.

You will review information, perform detailed tax research, and communicate complex matters clearly to clients. The role requires collaboration across the wider Tax practice and delivering high-quality client service.

Qualifications

• Relevant experience in tax, tax investigations or dispute resolution.
• Progress towards professional qualification (CTA/ACA/ACCA) or equivalent.
• Strong technical and analytical skills to resolve complex tax issues.
• Excellent written and verbal communication.
• Strong organisation and ability to manage multiple deadlines.
• Collaborative approach and ability to build client relationships.
• Commercial awareness and sound professional judgement.
• Commitment to high-quality client service.

Responsibilities

• Work on a portfolio of tax dispute and enquiry matters, supporting cases from initial review through to resolution.
• Review client information, identify key technical issues and carry out detailed tax research.
• Prepare correspondence, reports and other documentation communicating complex tax matters clearly.
• Liaise with clients, HMRC and colleagues, building trusted relationships and providing practical, commercially focused advice.
• Support senior colleagues on complex or higher-risk disputes, including developing case strategies and gathering supporting evidence.
• Monitor relevant changes in tax legislation and HMRC practice and consider their implications for clients.
• Manage deadlines, budgets and competing priorities while maintaining high standards of quality and client service.
• Support and coach junior colleagues and contribute to their development.
• Work collaboratively with specialists across the wider Tax practice to provide clients with joined-up advice.

Skills

Technical and analytical skills

Written and verbal communication

Organisation and project management

Collaborative approach

Commercial awareness and judgement

Education

CTA / ACA / ACCA or equivalent

Job description

Forvis Mazars LLP in the UK is seeking an Assistant Manager in Tax Dispute Resolution. You will advise clients across a varied portfolio of tax disputes and HMRC enquiries, supporting senior colleagues and developing case strategies.

You will review information, perform detailed tax research, and communicate complex matters clearly to clients. The role requires collaboration across the wider Tax practice and delivering high-quality client service.