Tax Manager

Thomas & Co International is a growing, multi-award-winning tax and strategic advisory firm supporting entrepreneurs, privately owned businesses, and internationally mobile clients across the UK and overseas. Following sustained, profitable growth, we are seeking an experienced Tax Manager to join our growing team of high performers. Our Founder & CEO Josh Thomas has the largest personal brand in the tax advisory space, yielding millions of views each month and landing him in entrepreneurial circles out of reach to most.

This has built our companies pipeline to be consistently oversubscribed. You can explore his thought leadership and insights via his Instagram. This role is designed for experienced tax professionals who want to step beyond delivery and into senior advisory, client leadership, and internal influence. You will work with some of the most complex and interesting clients in the market, supporting founder‑led businesses as they scale, restructure, and protect wealth.

Our corporate clients typically range from £1m–£30m turnover, and our private clients typically have £3m–£100m net worth.

• Lead complex corporate and private client tax advisory engagements end to end.
• Act as the principal adviser for a portfolio of entrepreneurs, owner‑managed businesses and high‑profile private clients.
• Establish the client’s objectives, relevant facts, technical issues and required work streams.
• Lead client meetings, present recommendations and manage discussions with solicitors, valuers, banks and other professional advisers.
• Provide technical leadership on structuring, reorganisations, succession, remuneration, extraction, transactions and international tax matters.
• Develop and compare credible options, considering tax, commercial practicality, risk, cost and implementation.
• Take responsibility for project scope, fees, deadlines, client communication and delivery quality.
• Ensure recommendations are properly evidenced, technically defensible and capable of implementation.
• Review and challenge work prepared by Senior Associates and Assistant Managers.
• Mentor junior team members and provide clear technical and performance feedback.
• Identify wider risks, planning opportunities and additional advisory needs across the client relationship.
• Work closely with the Head of Tax and senior leadership on complex cases, new service offerings and strategic initiatives.
• Contribute to the development of the firm’s advisory methodologies, templates, systems and internal processes.
• Represent the firm at relevant events and help build professional and referral networks.

• Strong technical capability across corporate tax, private client tax or a broad mixed-tax advisory environment.
• Proven experience leading client engagements or significant advisory work streams.
• Confidence advising entrepreneurs and business owners directly.
• Strong commercial awareness and the ability to translate legislation into practical, clear recommendations.
• Comfortable making and defending judgement‑led technical decisions.
• Ability to manage multiple complex engagements, deadlines and stakeholders.
• Experience reviewing technical work and developing junior colleagues.
• Strong written and verbal communication skills.
• Up‑to‑date knowledge of developments across the UK and international tax landscape.
• A proactive, collaborative approach and a genuine interest in helping build a growing tax department.

• ACA / CA / ACCA / CTA (or equivalent)
• Significant experience in corporate and private client tax advisory
• Strong client‑facing experience, including leading advisory discussions
• International tax exposure (UAE experience advantageous)
• Proven ability to interpret and apply new and existing tax legislation in complex scenarios

• Confident, credible communicator with strong written and verbal skills
• You consider yourself a high performer and hold yourself to high personal and professional standards
• Strategic and commercially minded, with an interest in how businesses operate
• A collaborative team player who actively contributes to discussions, decisions, and firm‑wide progress
• Deeply client‑focused,…