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Tax Manager - 12 months Contract

Hiscox
Portugalfull_timeVerifiedPosted 10 Dec 2025

About the role

Job Type:

Fixed Term

Build a brilliant future with Hiscox
 

Role

We are seeking an experienced and analytically-minded Tax Manager to join a dynamic change project. Operating with a multinational footprint, our organisation is undergoing a significant transformation in its operating model. As a Tax Manager / Business Analyst you will play a crucial role in ensuring the business fully understands and navigates the complex landscape of indirect and direct taxation implications, including VAT, sales tax, transactional taxes, and profits taxes, resulting from these changes.

This position sits within the Group Tax function and collaborates extensively with Finance, Legal, Procurement, and Operations teams. The ideal candidate will possess a sophisticated understanding of international tax regimes, exceptional business analysis skills, and the ability to translate tax complexities into actionable recommendations.

Key Responsibilities

  • Tax Impact Analysis:

    • Assess the VAT, sales tax, transactional tax, and profits tax consequences of proposed operational changes across multiple jurisdictions, including the UK, Europe, the US, and Bermuda.

    • Model the quantitative tax impacts of different scenarios, providing clear visualisations and decision-ready summaries to senior management.

    • Identify and articulate tax opportunities available from future business models, as well as attendant risks.

  • International Tax Research:

    • Conduct detailed research into the VAT and sales tax regimes of relevant jurisdictions, including treatment of insurance-related services, cross-border transactions, and group recharges.

    • Maintain up-to-date knowledge of evolving tax legislation affecting transactional and profits taxes, especially as it relates to service sourcing and intra-group arrangements.

    • Prepare technical memos and position papers to inform business decisions and document the group’s stance on key issues.

  • Cross-Functional Collaboration:

    • Work closely with Procurement and Supply Chain / Sourcing specialists to understand the practical implications of proposed changes.

    • Liaise with Legal and Procurement to ensure all relevant tax concerns are addressed in any new contracts or arrangements.

    • Engage with external tax advisors and local tax authorities as necessary to clarify technical positions and ensure alignment with best practices.

  • Stakeholder Education & Communication:          

    • Translate complex tax concepts into clear, practical advice for non-tax stakeholders at all levels of the organisation.

    • Develop effective communication strategies to ensure relevant teams are educated on the tax consequences of op model changes.

    • Prepare engaging reports and presentations for use with senior management, boards, and auditors.

  • Process Improvement & Policy Development:

    • Ensure tax requirements availability of data for tax processes are addressed as part of any implementation planning, including automated data collection and analysis relevant to indirect and direct taxes.

    • Assist in the development or refinement of group tax policies, especially as they pertain to sourcing, procurement, and intercompany transactions.

    • Monitor the effectiveness of implemented policy changes and propose adjustments as needed.

Required Experience & Competencies

  • Professional tax or accounting qualification (e.g., ACA, ACCA, CTA, CPA).

  • Minimum of 10 years’ experience in tax, ideally within a multinational financial services group.

  • Proven expertise in (at least) international VAT/GST, sales tax, and transactional taxes with a particular focus on cross-border transactions and group structures. Exposure to transfer pricing and corporate income tax an advantage.

  • Familiarity with the tax regimes and business environments of the UK, Europe, and US.

  • Proven experience in modelling or analysing the tax impact of business changes.

  • Excellent analytical, research, and report writing skills, with the ability to synthesise large volumes of data and legislation into actionable insights.

  • Proficiency in Excel and business intelligence tools.

  • Outstanding communication and stakeholder management skills, with the ability to translate technical issues into business language.

  • High degree of professional integrity, discretion, and sound judgement.

  • Strong project management skills, with the ability to deliv

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Company

Hiscox

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