OVERALL SUMMARY

This is a newly created role offering the successful candidate the opportunity to take full ownership, shape the function, and provide leadership in building a best-in-class operational tax capability.
The Operational Tax Manager will be responsible for creating and maintaining a robust tax governance framework incorporating reference data ensuring quality standards are met in various systems. To support the accurate application and compliance of operational taxes such as withholding tax, transaction taxes, and reporting obligations across all financial products and jurisdictions in which the firm operates. This role ensures efficient operational tax processes in line with global regulatory requirements.

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Winterflood Business Services (WBS) is a business to business (B2B) platform provider whose award-winning service has seen us grow to over £15bn AUA with an expanding client list. Our highly skilled and experienced team is dedicated to providing the standards our clients rightly demand.
Our aim is to help solve client problems and ease their regulatory and administrative burden with secure, integrated, and bespoke end-to-end solutions to achieve their investment objectives. Execution quality and excellent service are at the core of our business, all set out in our service level agreements for full transparency.
The WBS service is provided through our EOS platform, which is a proprietary system developed by our in-house development team. EOS is built using the latest technologies and is based on micro-service architecture, making the platform easy to scale and deploy new functionality. We are also market innovators, capable of recognising unfilled needs and developing products to suit our customers’ needs and changing regulatory requirements.
We became a separate division of Winterflood Securities in 2010, in response to demand from clients who were looking for ‘whole of market access and ‘custody services’. Our strategy remains to continue to invest in people, process, and technology to allow us to scale for the growth in our existing business, as well as taking on new client

RESPONSIBILITIES

As an Operational Tax Manager, the work would involve, but not be limited to, the following:

• Ensure compliance with global operational tax regulations (e.g. FATCA, AEOI, CRS, QI).
• Manage tax documentation (e.g. W-8, self-certifications), including review, validation, and storage.
• Liaise with external custodians, internal teams, and tax authorities to resolve tax-related queries and claims.
• Monitor withholding tax rates and ensure accurate application of cross-border income (dividends, interest).
• Manage the preparation and submission of tax reporting (e.g., AEOI, FATCA/CRS reports, 1042-S forms, HMRC returns).
• Support tax reclaim processes and ensure deadlines are met.
• Collaborate with IT/Operations for process automation and system enhancements relating to Operational tax.
• Monitor regulatory developments, conducting impact assessments for changes in tax law or operational tax policy.
• Maintain operational tax policies, procedures, and controls.
• Participate in audits and respond to inquiries from tax authorities or internal stakeholders.