Business Tax Senior role

Your new company An established top-tier accountancy and advisory firm is seeking a Business Tax Senior to join its growing Cardiff-based Business Tax team. Known for its supportive, people-first culture and ranking among the Best Places to Work, this firm champions collaboration, technical excellence, and continuous personal development. You will be joining a forward thinking organisation that values diversity, agility, and genuine career progression.Your new role As a Business Tax Senior, you will play a key role in delivering high quality corporate tax compliance and advisory work across a diverse client portfolio, ranging from entrepreneurial businesses to large international groups. Your responsibilities will include:

• Preparing and reviewing corporation tax computations and returns
• Assisting with P11Ds, PSAs, ATED, ERS, and EMI reporting
• Supporting advisory projects, including capital allowances, succession planning, profit extraction, and employee incentives
• Identifying wider tax planning opportunities and collaborating with subject specialists
• Managing client communications and building trusted relationships
• Coaching and reviewing the work of junior team members
• Working collaboratively across offices and service lines to deliver seamless solutions

• ACA / ACCA and/or ATT or CTA qualification (or near completion)
• Strong UK corporate tax compliance experience
• Exposure to advisory or project-based tax work
• Strong communication skills and a client-focused mindset
• Ability to interpret financial statements and recognise broader tax implications
• A proactive, organised approach and confidence in supporting junior staff
• Knowledge of Alphatax (preferred, not essential)

• Clear career pathways and regular technical and soft skills training
• Hybrid/agile working with flexibility in working hours
• Generous annual leave with buy/sell options
• Private medical insurance, pension contributions, and enhanced family leave
• Access to wellness programmes, lifestyle checks, and mental health support
• Opportunities for volunteering, CSR involvement, and participation in staff events
• Modern, refurbished office spaces with social and leisure amenities
• Up to £48,000