US/UK Tax Senior Consultant — Client Advisory & Mentoring

JAM; England; On-site; GBP 60,000 - 90,000; Full time

Job summary

JAM is seeking a Senior US/UK Tax Consultant to join our tax team in the United Kingdom. The role combines complex US/UK personal tax work with client management, mentoring junior colleagues and opportunities to expand responsibilities and drive advisory projects.

You will prepare complex returns, review work for accuracy, and contribute to planning and research. You’ll engage with clients, explain tax matters clearly, and help improve processes while balancing deadlines.

Qualifications

• Strong knowledge of US and UK tax regulations and experience preparing complex returns.
• Around 3–5 years' relevant experience in public accounting or tax environment.
• AAT, ATT or EA qualification is required; ACA/ACCA is desirable.

Responsibilities

• Prepare complex US/UK tax returns for individuals.
• Review straightforward returns for accuracy, compliance and deadlines.
• Support tax planning and advisory projects, researching technical issues and communicating findings.
• Respond to client queries, maintaining regular contact and building relationships.
• Assist with responses to tax authority notices and preparing supporting documentation.
• Supervise and mentor junior Tax Consultants, reviewing their work and providing feedback.
• Manage multiple client engagements, prioritising deadlines and applying best practices.

Skills

US/UK tax knowledge

Client relationship management

Mentoring juniors

Attention to detail

Tax software proficiency

Education

AAT/ATT/EA

ACA/ACCA desirable

Tools

Tax software

Workflow software

Job description

JAM is seeking a Senior US/UK Tax Consultant to join our tax team in the United Kingdom. The role combines complex US/UK personal tax work with client management, mentoring junior colleagues and opportunities to expand responsibilities and drive advisory projects.

You will prepare complex returns, review work for accuracy, and contribute to planning and research. You’ll engage with clients, explain tax matters clearly, and help improve processes while balancing deadlines.