Thomas & Co International Limited
Tax Manager
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Thomas & Co International
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 company's 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.
Role Overview
As a Tax Manager, you will take full ownership of complex tax advisory engagements from initial scoping through to technical analysis, client delivery, implementation and close-out.
You will act as a trusted adviser to entrepreneurs, business owners and high-net-worth clients, taking responsibility for the client relationship, technical direction, commercial delivery and overall outcome of each engagement.
This is a role for an experienced tax professional who is comfortable exercising judgement, leading client conversations and operating with genuine authority. The Head of Tax will provide the final technical and compliance review before material advice is issued, but day-to-day ownership of the engagement will sit with the Tax Manager.
Key Responsibilities
- 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 workstreams.
- 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.
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Skills And Attributes
- Strong technical capability across corporate tax, private client tax or a broad mixed-tax advisory environment.
- Proven experience leading client engagements or significant advisory workstreams.
- 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.
Progression
The role provides a clear route towards broader portfolio, people and service-line leadership, including future progression to Head of Department as the firm develops specialist teams across Corporate Tax, Private Client, M&A and International Tax.
Experience And Qualifications
- 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
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Personal Qualities
- 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, with a genuine care for outcomes and long-term relationships
- Highly committed to continuous self-development and raising your own standards over time
What We Offer
A highly competitive remuneration package designed to recognise both individual contribution and collective team success. Our approach combines financial reward, career progression, and personal wellbeing to support our people in continued growth, and development.
As a fast-growing, innovative international business, having doubled revenue for four consecutive years, we work with some of the world’s leading brands and deliver large-scale social media campaigns reaching millions each month. Joining us means being part of a high-performance environment where your impact is visible, and your growth is supported. We measure contribution, not just length of service. If you are looking to operate at a senior advisory level, influence the direction of a growing firm, and be rewarded for real impact, Thomas & Co International is your calling.
Benefits Package
- Highly competitive base salary
- Commission structure calculated as a percentage of your contribution to advisory outcomes, billable work, and commercial impact
- Profit-share model aligned to department-level results
- Wellness subscription
- Life assurance cover
- An additional day’s leave for your birthday, plus a holiday buy-back scheme
- Remote & Flexible working arrangements
- Clear progression into higher level positions, with increasing responsibility for client leadership, technical authority, and team development
We are an equal opportunities employer and welcome applications from all backgrounds.
Applicants must have the right to work in the UK, as visa sponsorship is not available for this role.
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