Manager - Corporate Tax

Corporate Tax Manager Belfast The Grant Thornton Advisors (NI) Tax Team is an ambitious and growing team of over 90 specialists, bringing together deep industry, sector and technical expertise. Our Corporation Tax Compliance client base continues to grow significantly, with increasing demand from owner-managed businesses, large groups and internationally active clients. Grant Thornton is part of a fast-growing and rapidly evolving international platform, bringing together specialist teams across the UK, Ireland, the US and an expanding global network of member firms. This creates opportunities for our people to work on complex, cross-border assignments, collaborate with leading specialists across the network and build expertise across the full spectrum of UK and international tax services. From Belfast, our team supports a diverse client base that includes owner-managed businesses, large corporates and multinational groups, giving our people exposure to some of the most interesting and complex tax challenges in the market while benefiting from the scale, resources and opportunities of a growing international platform. We are seeking a Corporate Tax Manager to join our team and play a key role in supporting this continued growth. The successful candidate will bring strong technical corporation tax knowledge, the ability to apply that expertise to complex client issues, and the confidence to manage and lead teams on demanding assignments. As a Manager, you will be responsible for the overall management of a portfolio of clients, including client relationship ownership, technical oversight, risk management and financial performance. You will lead delivery teams, resolve complex technical issues and contribute to the growth and development of both clients and colleagues, while playing an active role in the team's continued expansion. This is an excellent opportunity for an ambitious and driven individual to progress within the firm, work with a varied and high-quality client portfolio, and benefit from a competitive remuneration package and ongoing career development. Main Responsibilities Responsible for the overall management of a portfolio of clients, including client relationship ownership, technical risk and financial performance. Leads delivery teams, resolves complex technical issues and drives client growth and business development. Portfolio and Delivery Manage a portfolio of clients that are sizable in scope, complexity and risk, with accountability for delivery. Approve and sign off key deliverables, ensuring appropriate technical judgement and compliance with firm standards. Oversee portfolio workflow, resource allocation and utilisation across the team. Ensure effective planning and delivery of engagements across the portfolio. Client Responsibilities Act as the primary relationship owner for clients, with accountability for client satisfaction and retention. Lead client interactions on complex or sensitive matters, including managing challenges and escalations. Identify opportunities to expand services and deepen client relationships. Work collaboratively with colleagues across the wider Grant Thornton network to deliver integrated solutions to clients with UK and international tax requirements. Technical Responsibilities Provide technical oversight and final judgement on compliance and related advisory matters. Lead resolution of complex technical issues, particularly in large corporate and multinational contexts. Ensure appropriate use of specialists where required and maintain overall technical quality. Support clients with domestic and international tax matters where appropriate, drawing on expertise from the wider Grant Thornton network. Risk and Compliance Take ownership of engagement risk, ensuring appropriate procedures and controls are applied. Make decisions on risk management and escalation, including involvement of specialist teams. Ensure adherence to firm risk management processes and standards. People Responsibilities Lead, manage and develop team members, including Managers where relevant and junior staff. Take responsibility for work allocation, team structure, formal performance management, appraisals and ongoing coaching and development. Support the development of technical capability across the team and encourage knowledge sharing and collaboration. Foster strong relationships across the wider UK, Ireland and international tax network. Financial Management and Business Development Be accountable for the financial performance of the portfolio, including budgets, billing and recoverability. Meet financial targets and actively manage engagement profitability. Participate in business development activities, including proposals, pitches and tenders. Contribute to the growth of the wider tax practice. Identify opportunities arising from international and cross-border client needs and coordinate with specialists across the Grant Thornton network where required. Skills and Qualifications ACA/ACCA and/or CTA qualified. Significant post-qualification experience within a corporate tax department in a large practice environment. Strong technical expertise, including experience dealing with complex tax issues affecting large corporates and groups. Proven ability to manage and prioritise a portfolio of work, balancing competing demands and deadlines. Demonstrated ability to lead, manage and develop team members, including providing formal feedback and performance management. Comfortable making decisions and exercising judgement on technical, risk and client matters. Strong interpersonal and communication skills, with the ability to build trusted client relationships and influence key stakeholders. Proven ability to identify opportunities to grow client relationships and contribute to business development. Experience working with multinational businesses or advising on cross-border tax matters would be advantageous. A collaborative mindset and the ability to build strong working relationships with colleagues across different service lines, jurisdictions and international teams. #LI-GK1