US/UK Tax Manager — Compliance, Planning & Advisory

JAM; England; On-site; GBP 90,000 - 130,000; Full time

Job summary

JAM in the United Kingdom is seeking a skilled Tax Manager to own client relationships, tackle complex UK/US tax questions and shape the development of the tax function. The role blends compliance and advisory work with opportunities to mentor juniors and influence service delivery across engagements.

The successful candidate will manage a portfolio of clients, review complex returns, provide tailored tax planning, and contribute to strategy and process improvements while meeting deadlines and

Qualifications

• Qualified with ATT/CTA or equivalent; strong UK/US tax knowledge.
• Experience leading client work and complex tax reviews.
• Proven ability to mentor junior professionals.
• Excellent communication and prioritisation skills.
• Proactive in improving tax processes and client relations.

Responsibilities

• Preparing and reviewing complex UK/US tax returns and advisory work.
• Managing client relationships across engagements and timelines.
• Providing tailored tax planning and risk mitigation recommendations.
• Engaging with tax authorities when required and supporting audits.
• Mentoring junior tax professionals and providing technical guidance.
• Contributing to tax strategy and service offering development.
• Identifying process improvements to drive efficiency and growth.

Skills

ATT/CTA qualification

UK/US taxation knowledge

Mentoring juniors

Client portfolio management

Strong communication

Analytical judgement

Education

ACA/ACCA desirable

CPA/EA desirable for US tax specialists

Job description

JAM in the United Kingdom is seeking a skilled Tax Manager to own client relationships, tackle complex UK/US tax questions and shape the development of the tax function. The role blends compliance and advisory work with opportunities to mentor juniors and influence service delivery across engagements.

The successful candidate will manage a portfolio of clients, review complex returns, provide tailored tax planning, and contribute to strategy and process improvements while meeting deadlines and