Tax Senior Associate job at London Full Time NEW

We’re working with a highly regarded, award-winning professional services firm in London that is looking to hire a US/UK Tax Senior Associate into its growing US/UK tax team.

This is an excellent opportunity for a tax professional who wants to build a career in cross-border US/UK tax, supporting individuals, corporates and internationally connected clients with complex compliance and advisory matters. The role offers strong technical exposure, structured development, and the chance to work in a team that is known for its collaborative culture and high-quality client service.

You’ll join an environment where technical ability is valued, learning is genuinely supported, and junior talent is given the opportunity to develop through a combination of formal training, on-the-job coaching, and direct exposure to experienced managers and partners.

The opportunity

This role is ideal for someone who already has some exposure to US and/or UK tax compliance and is looking to deepen their expertise in a specialist cross-border team.

You’ll be involved in preparing and reviewing returns, analysing client information, identifying missing details and tax issues, and supporting clients in managing double tax exposure and international reporting obligations. It’s a strong platform for someone who wants to move beyond pure processing and develop into a more rounded adviser over time.

Key responsibilities

• Preparing US and UK tax returns using client data provided in a variety of formats
• Developing a strong understanding of cross-border tax return processes and workflows
• Reviewing financial and personal tax information for completeness and accuracy
• Sense-checking tax positions and understanding why liabilities, repayments, or nil positions arise
• Supporting clients on issues relating to double taxation and foreign tax credits
• Identifying filing requirements involving US ownership of non-US entities and vice versa
• Reviewing straightforward returns and self-reviewing work before submission to managers
• Highlighting missing information and escalating potential tax issues where appropriate
• Building confidence in direct client communication and day-to-day portfolio support

About you

• Prior experience in US and/or UK tax compliance
• Strong attention to detail and good numerical accuracy
• An interest in cross-border private client tax
• Able to manage deadlines and prioritise workload effectively
• Confident reviewing data, spotting issues, and asking the right questions
• Keen to learn, develop, and progress in a specialist team
• Strong interpersonal skills and a professional, client-focused approach

Why consider this role?

• Join a dynamic and growing US/UK tax team
• Benefit from study support, structured internal training, and ongoing coaching
• Work closely with experienced senior team members and partners
• Be part of a collaborative, people-focused culture with strong long-term development potential
• Access a competitive benefits package, including hybrid/flexible working support

Benefits snapshot

• Study support
• Hybrid / flexible working framework
• Pension
• 25 days’ annual leave + bank holidays
• Private medical insurance
• Permanent health insurance
• Life assurance
• Employee benefits portal
• Career coaching and learning & development support