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Posted 10 August, 2026

Senior Tax Manager

Experis
Slough, ENG, GB Full Time

Job Description

Senior Tax Manager - International Tax Reporting & Compliance

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Location: Hybrid working model 2 days in either Reading or London

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Contract Length: 12 Months

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Rate: Up to £100 per hour (Umbrella)

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Overview

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We are seeking an experienced Senior Tax Manager - International Tax Reporting & Compliance to join a high-performing international tax team responsible for managing all non-US tax matters across a global organisation.

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This is an exciting opportunity for a tax professional with strong international corporate tax and tax reporting expertise to play a key role in tax compliance, tax provision reporting, transfer pricing, Pillar 2 requirements, and tax process transformation initiatives.

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Key Responsibilities

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  • Prepare quarterly US GAAP tax provisions in accordance with FAS109/FIN18.
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  • Prepare annual current and deferred tax true-up calculations.
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  • Maintain and monitor FIN48/FAS5 tax provisions.
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  • Prepare and review direct tax compliance obligations, including:
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    • Corporate tax returns
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    • Withholding tax filings
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    • Stamp duty returns
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    • Property tax filings
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  • Manage relationships with external tax service providers and ensure accurate and timely submission of tax returns and supporting information.
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  • Support Pillar 2 compliance and Public Country-by-Country Reporting (CbCR) requirements.
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  • Review corporate tax calculations and assess their impact on financial statements under IFRS and US GAAP.
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  • Partner with the Transfer Pricing team to prepare and review transfer pricing documentation and related filings.
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  • Calculate advance corporate tax payments and manage associated filing obligations.
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  • Support tax planning initiatives and tax audits when required.
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  • Build strong working relationships with key stakeholders across Accounting, Treasury, Legal, FP&A, and other business functions.
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  • Mentor and support the development of junior tax team members.
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  • Drive continuous improvement by streamlining and automating tax processes using tools such as Alteryx, Qlik, and other digital finance technologies.
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Essential Skills & Experience

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  • Recognised accounting or tax qualification (ACA, ACCA, CTA, CPA or equivalent).
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  • Minimum six years' experience in corporate tax within either industry or practice.
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  • Strong knowledge of international and corporate income tax compliance.
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  • Experience preparing and reviewing quarterly tax provisions.
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  • Strong understanding of deferred tax and tax accounting principles.
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  • Experience managing tax compliance processes across multiple jurisdictions.
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  • Strong analytical, problem-solving and data management skills.
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  • Experience using technology and automation to improve tax reporting and compliance processes.
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  • Excellent stakeholder management and communication skills.
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  • Ability to manage competing priorities and work effectively in a fast-paced environment.
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Desirable Skills & Experience

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  • Experience with US GAAP tax reporting, including FAS109/FIN18.
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  • Experience using OneSource Tax Provision.
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  • Experience with Alteryx and tax automation tools.
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  • Knowledge of OECD Pillar Two, BEPS, DAC6, and Public Country-by-Country Reporting requirements.
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  • Experience working within a multinational organisation and complex international tax environment.
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If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website.

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