Tax Compliance and Reporting Assistant Manager

The LII Tax Department is comprised of a dynamic team of tax professionals managing LII’s internal tax matters and compliance processes as well supporting other internal functions and businesses across the LII network across the globe.

Reporting to the Head of Tax Compliance and Reporting, the Tax Compliance and Reporting Assistant Manager will lead and deliver corporate tax compliance and reporting across the EMEA region, with primary responsibility for UK and EU direct tax compliance processes and for supporting US GAAP tax provision and related reporting. This is a hands‑on role focused on ensuring timely, accurate, and audit‑ready filings and returns, strengthening controls, and improving efficiency through process improvement and technology including the evaluation and responsible use of AI tools. The successful candidate will challenge existing ways of working, drive best practice, and work closely with local finance teams, external advisors and global tax leads.

Key Responsibilities

• Support preparation, review and filing of corporation tax returns, statutory filings and tax disclosures across the EMEA region, with emphasis on UK and EU jurisdictions.
• Prepare and technically review tax computations, calculations and reconciliations to statutory accounts and tax bases; ensure compliance with local law and group policies and elevate complex issues as needed.
• Assist with the US GAAP tax provision process for EMEA: prepare and validate tax provision inputs, support book‑to‑tax adjustments, analyze temporary/permanent differences, assist with deferred tax calculations and contribute to footnote data; coordinate with US finance and external auditors as required.
• Ensure timely delivery of tax data into global tax and finance systems; maintain and improve reconciliation and control frameworks between tax, statutory and management accounts.
• Identify opportunities to improve tax compliance processes by challenging current practices, removing inefficiencies and supporting implementation of stronger, scalable processes and controls.
• Evaluate, pilot and responsibly adopt new technologies and automation (including AI‑assisted tools) to increase accuracy, reduce manual effort and enhance reporting ensuring appropriate governance, data privacy and auditability.
• Provide technical support on UK and EU corporate tax matters, transactional queries and tax risk assessments; prepare research and brief senior tax colleagues for escalation where necessary.
• Coordinate with and manage day‑to‑day requests to external tax advisors and service providers for compliance, advisory and audit support; review deliverables for accuracy and completeness.
• Support tax audits and enquiries from tax authorities; prepare working papers, draft responses and liaise with external counsel and senior tax team members.
• Prepare management reporting and metrics on tax positions, compliance status, exposures and opportunities; present findings to senior finance and tax stakeholders as directed.

Business Partnering, Stakeholder Management & Leadership

• Build and maintain strong relationships with key internal stakeholders across Finance, the International Tax Team, and other functions that impact tax.
• Provide input into raising awareness in the business to minimise error via a rolling education programme.
• Support management of the group’s relationship with HMRC and European tax authorities with respect to indirect taxes.
• Support tax authority audits and enquiries: issues and escalation.

About Liberty Insurance International: LII is part of Global Risk Solutions and the broader Liberty Mutual Insurance Group, which is a leading global insurer. We offer a breadth of world‑class insurance and reinsurance services to brokers and insureds in all major markets. Our people are key to our success. That is why “Put People First” is one of the five Liberty values which unite us as a global organisation. We bring this to life for our colleagues through:

• Offering a vibrant and inclusive environment and committing to their career development.
• Promoting diversity, equity and inclusion (DEI).
• Reinforcing that collaborating together to share our unique perspectives help us make better decisions, deliver innovative solutions and pursue our ambitious goals.
• A supportive culture, which includes promoting a healthy work‑life balance and working flexibly.