Our client is seeking an experience Business Tax Manager or Assistant Manager to join a forward-thinking and supportive firm offering an excellent environment for growth and genuine career progression.You''ll work with an exciting and diverse client base, from innovative technology spinouts to large international groups, delivering high-quality RandD tax advice and a range of corporate tax projects. This is a fantastic opportunity to deepen your technical expertise and play a key role in shaping the future of a thriving tax advisory team.Your role:Lead and manage a portfolio of clients, providing expert RandD tax advice and support.Deliver a variety of tax advisory projects, including transactional tax, group reorganisations, MBOs, acquisitions, disposals, due diligence, international tax planning, share schemes, EIS, and complex enquiry cases.Collaborate with colleagues across the firm to ensure seamless client service.Contribute to business development and marketing initiatives, helping grow the firm''s profile and client base.The person:ACA / ACCA / ATT / CTA qualified, with solid corporate tax technical skills and demonstrable RandD experience.Strong communicator with the ability to build trusted relationships at all levels.A true team player with a collaborative and proactive approach.Commercially minded, with the ability to deliver practical, client-focused advice.Flexible on location - role can be based in Newbury, Southampton, Reading, or Oxford.Benefits:Excellent car