Tax Director

Aon plc; Greater London; Hybrid; GBP 150,000 - 210,000; Full time

Job summary

Aon plc in London is seeking a Tax Director in Transaction Solutions to lead complex tax insurance transactions, with a focus on M&A and international tax. Based in our London office, the role offers hybrid working and close client engagement.

You will own placements from start to finish, build senior market relationships with private equity, corporates, law firms, and tax advisers, and drive growth of the Tax Insurance practice while representing Aon externally.

Qualifications

• Significant experience in M&A tax, international tax, transaction tax or tax advisory, gained within a Big Four firm, leading law firm, corporate advisory environment or similar.
• Strong analytical and problem-solving capabilities in tax matters.
• Proven ability to build and manage complex client relationships and adviser networks.
• Excellent written, verbal and negotiation skills for high-level advisory.

Responsibilities

• Lead complex tax insurance transactions, structuring and placing sophisticated tax risks for M&A deals and related initiatives.
• Own placements from start to finish: client engagement, insurer negotiations, underwriting submissions, and policy placement.
• Manage multiple live transactions, providing strategic direction and hands-on execution while mentoring juniors.
• Build senior market relationships across private equity, corporates, law firms, tax advisers and insurers.
• Drive growth of the Tax Insurance practice, identify new business opportunities, support pitches and cross-sell capabilities.
• Represent Aon externally, raising the practice profile through meetings, conferences, and thought leadership.

Skills

M&A tax

International tax

Transaction tax

Tax advisory

Commercial awareness

Client relationships

Negotiation skills

Job description

Tax Director - Transaction Solutions - London, UK

Do you have significant M&A or international tax experience and are you looking for an opportunity to play a leading role within the rapidly growing tax insurance market and Aon's market-leading Tax Insurance team?

Are you a commercially minded leader with a strong track record of developing client relationships, winning new business, and advising on sophisticated transactional tax matters?

If so, we'd love to hear from you regarding this exciting opportunity to help drive the continued growth of our Tax Insurance business as we embrace technology, innovation, and new ways of delivering value to our clients.

Based in our flagship London office, this role comes with hybrid working practices.

Aon is in the business of better decisions

At Aon, we shape decisions for the better to protect and enrich the lives of people around the world.

As an organisation, we are united through trust as one inclusive team, and we are passionate about helping our colleagues and clients succeed.

What the day will look like

In this senior and varied role, your responsibilities will include:

• Lead complex tax insurance transactions, structuring and placing sophisticated tax risks to help clients overcome challenges within M&A transactions and other central initiatives.
• Own placements from start to finish, managing client engagement, insurer negotiations, underwriting submissions, due diligence and policy placement.
• Manage multiple live transactions, providing both strategic direction and hands‑on execution while supporting and developing junior colleagues.
• Build senior market relationships across private equity, corporates, law firms, tax advisers and insurers, becoming a trusted adviser to clients and partners.
• Drive growth of the Tax Insurance practice, identifying new business opportunities, supporting pitches and developing opportunities to cross-sell wider Transaction Solutions and AMATS capabilities.
• Represent Aon externally, building the profile of the practice through client meetings, conferences, networking, seminars and thought leadership.

How this opportunity is different

This is an opportunity to do more than lead complex tax engagements. You’ll join a growing Transaction Solutions practice where you can have a genuine influence on its future, combining high-profile UK and international deal work with the opportunity to shape strategy, build senior client relationships and develop talent. With the reach of Aon’s global platform behind you, it offers the rare combination of hands‑on deal leadership, business‑building opportunity and long‑term career progression.

Skills and experience that will lead to success

• Significant experience in M&A tax, international tax, transaction tax or tax advisory, gained within a Big Four firm, leading law firm, corporate advisory environment or similar.
• Deep understanding of tax principles, tax risk and transactional tax matters, with strong analytical and problem‑solving capabilities.
• Strong commercial awareness, with the ability to identify, develop and convert new business opportunities.
• Proven ability to build and manage complex client relationships and adviser networks, influencing senior internal and external stakeholders.
• Excellent written, verbal and negotiation skills, with the ability to provide clear, high-quality advice on complex matters.

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