An established and growing independent accountancy practice is seeking a Tax Senior / Assistant Manager to join its expanding Business Services team. This is an excellent opportunity for a tax professional looking to develop their career within a supportive, well-structured tax department that actively encourages progression.

The firm is part of a wider UK network of independent practices and has continued to achieve strong growth in recent years. The role is office-based to support collaboration, efficiency, and timely delivery of client work.

The Team

You will join a well-established tax team of around 10 professionals, including senior leadership, managers, qualified accountants, and trainees. The tax function is split across two key areas:

Corporate Tax and Tax Planning / Advisory
Personal Tax and P11Ds

The wider firm also has specialist teams covering payroll, company secretarial, and accounting/audit services. The client base primarily consists of owner-managed businesses and groups across a broad range of sectors.

The Role

The successful candidate will be responsible for delivering high-quality personal and corporate tax compliance services while supporting client relationships and mentoring junior team members.

Key responsibilities include:

Managing a portfolio of personal and corporate tax clients
Preparing and reviewing personal and corporate tax returns and computations
Ensuring all filing and reporting deadlines are met
Acting as a point of contact for client and HMRC correspondence
Dealing with client queries in a timely and professional manner
Identifying and communicating tax planning opportunities
Assisting with more complex corporate tax matters
Maintaining high standards of tax compliance across the portfolio
Supporting and training junior members of the team
Liaising with other departments where required

Person Specification

Candidates will have experience in some or all of the following areas:

Corporation tax compliance
Personal tax returns and computations
P11Ds
Partnership tax returns
Managing a client portfolio
Dealing with HMRC enquiries and disputes
Strong knowledge of Corporation Tax, Income Tax, and Capital Gains Tax
Awareness of VAT, Inheritance Tax, and other taxes (e.g. SDLT)
Experience using tax software (e.g. CCH or similar)
Strong written and verbal communication skills
Excellent organisational and time-management skills
A flexible approach to working hours during peak deadlines

Experience within an accountancy practice environment is essential, and up-to-date CPD records are expected.

Working Arrangements

Hours: 37.5 hours per week, Monday to Friday (8:30am - 4:30pm), with flexibility to meet business needs
Location: Office-based role in South Wales

Benefits

Competitive salary, dependent on experience
30 days' holiday including bank holidays and additional Christmas closure days
Life assurance (2x salary)
Pension scheme
Professional subscription fees paid (ICAEW / ACCA)

Tax Senior/ Assistant Tax Manager