Family Office seeks a senior tax professional with experience in international tax structuring, tax optimization, and UHNW personal taxation across the UK and Spain. The role involves leading end-to-end tax strategy: identifying risks, designing solutions, coordinating local advisors, and delivering implementation-ready recommendations.
Responsibilities Strategy & Structuring Design and iterate cross-border holding / operating / financing structures
Optimise WHT/VAT/CT exposures, treaty positioning, and financing flows (interest, fees, royalties, service charges and etc.)
Advise on substance, beneficial ownership, anti-avoidance risk controls (GAAR/SAAR, ATAD themes, principal purpose tests, etc. at a practical level)
UHNW / UBO advisory Advise UBO on residency planning, cross-border personal taxes, and wealth structuring interfaces with corporate flows
Review and improve UBO loan structures (taxability, documentation, arm's-length, disclosure risk, exit/repayment planning)
Risk management & controversy readiness Prepare the group for authority/regulator questions: what to disclose, how to respond, and how to keep consistency across filings and financial statements
Coordinate external tax counsel in multiple jurisdictions;
ensure outputs are consistent and implementation-ready




Operational Maintain a living tax risk register + roadmap (quarterly refresh)
Provide short weekly async updates + join key calls.
Requirements 10+ years in international tax / private wealth tax (Big4 Partner / Big Law / top-tier boutique/family office equivalent)
Demonstrable experience with UK + Spain tax systems (corporate + personal) and how they interact in practice
Strong track record of group financing, cross-border structuring, and tax controversy/queries
Experience advising UHNW individuals / family offices (not just corporates)
Comfort with ambiguity, high confidentiality, and pragmatic execution
Nice-to-haves: Dual-qualified (law + tax), CTA/ACA/solicitor background, or equivalent
Prior involvement with regulated environments and frequent third-party inquiries (banks, auditors, authorities)
Experience simplifying complex structures without breaking business reality
Benefits Fully remote work, giving you the freedom to work from anywhere
Paid annual leaves and sick days
Medical insurance coverage to support your well-being
Opportunity to be a part of a world-class, high-performance team
A dynamic and collaborative work environment
Fully sponsored team-buildings 1-2 times per year in stunning destinations around the world
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📌 Tax Advisor Hnwi (Madrid)
🏢 Family Office
📍 Madrid