Senior Tax Advisor - In House in London

Reporting to the Enterprise Tax Director, the In-House Tax Advisor will be responsible for end-to-end tax compliance for the Trayport group, ensuring timely and accurate submission of all tax filings and supporting strategic tax initiatives. This role covers corporate tax, international tax, transfer pricing, R&D claims, VAT, and employment taxes.

• Manage all corporate tax compliance requirements across the UK, Austria, Germany, and Singapore.
• Ensure accurate and timely preparation and submission of tax returns, calculations, and supporting documentation.
• Oversee VAT/GST compliance in all relevant jurisdictions, including UK VAT and international equivalents.
• Manage employment tax obligations, including PAYE Settlement agreements, benefits reporting, share scheme returns and cross-border employee tax considerations.
• Lead US sales tax compliance processes, including nexus assessments and filings (with support from external advisors where necessary).
• Maintain and assist in the group transfer pricing documentation process, including master file, local files, and intercompany agreements.
• Support planning and implementation of global tax strategies, including cross-border structuring and tax-efficient operational models.
• Monitor global tax developments affecting the group and support proactive risk management.
• Lead the preparation and submission of R&D and Patent box tax credit claims, ensuring compliance with UK and international rules as applicable.
• Work closely with internal teams to identify qualifying projects and maintain appropriate documentation.
• Provide day-to-day tax guidance to the business, including on new products, commercial contracts, and cross-border matters.
• Liaise with external tax advisors on complex or country-specific issues.
• Develop and implement internal tax controls, policies, and process improvements.
• Support statutory audits and respond to tax authority queries and audits.

• Professional tax qualification (e.g., CTA, ACA, ACCA) or equivalent international certification.
• Proven experience with tax compliance in a large corporation operating in multiple jurisdictions (UK, EU, and/or APAC preferred).
• Strong technical knowledge across corporate tax, R&D tax incentives, transfer pricing international tax, VAT/GST, employment taxes, and US sales tax.
• Strong analytical skills and attention to detail.
• Ability to manage multiple deadlines and work independently.
• Excellent communication and stakeholder-management skills.

Trayport is committed to creating and sustaining a collegial work environment in which all individuals are treated with dignity and respect and one which reflects the diversity of the community in which we operate. We provide accommodations for applicants and employees who require it.