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LEADERSHIP

The people and the network behind Montclare

Alfonso Martínez Ruiz
Alfonso Martínez Ruiz
FOUNDER & CHIEF EXECUTIVE OFFICER
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Alfonso founded Montclare Capital Partners in 2023, after more than twenty years in finance, cross-border advisory and international business. He guides private clients, families and entrepreneurs through tax structuring, cross-border holdings, complex real estate transactions and legacy planning. Born in Spain and based in the Netherlands, he works fluently in English, Spanish and Dutch.

IFA · Cercle d'Economia de Mallorca
THE NETWORK

One architect. A curated network.

Montclare structures each mandate through a vetted network of licensed specialists — one point of accountability, orchestrating every discipline behind a cross-border investment.
Asset Management Transfer Pricing Cross-Border Tax Notarial Counsel Financing & Banking Legal & Advisory MONT CLARE
MONTCLARE
Asset ManagementLicensed portfolio & real-estate managers
Transfer PricingDocumentation & defence, OECD-aligned
Cross-Border TaxMulti-jurisdictional tax structuring
Notarial CounselDeeds & corporate formalities
Financing & BankingDebt, mortgage & capital partners
Legal & AdvisoryCross-border legal coordination
Hover each discipline to explore the network
THOUGHT LEADERSHIP

Articles, talks & interviews

Alfonso writes and speaks on cross-border structuring, fund governance and international tax.

ARTICLE · BY ALFONSO
Redefining Oversight: The Independent Director as Luxembourg’s Strategic Advantage
SFF Magazine · March 2026
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ARTICLE · BY ALFONSO
Next-Gen Wealth: Luxembourg’s Role in Multi-Jurisdictional Structuring & Succession
SFF Magazine · December 2025
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WEBINAR · SPEAKER
Governance, Directors’ Duties & Board Oversight in Luxembourg Funds
School of International Financial Services (SIFS) · 2026
WATCH →
INTERVIEW
Alfonso Martínez Ruiz on cross-border structuring & Montclare
Cámara Oficial de Comercio de España en Bélgica y Luxemburgo
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READ ALFONSO’S ARTICLES ON LINKEDIN →
MEMBERSHIPS & COMMISSIONS

Where Alfonso serves and contributes

Cercle d’Economia de Mallorca
Member of the Science, Technology & Innovation Commission, on the internationalisation portfolio. One of the Balearic Islands’ most influential economic circles.
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Dutch Business Round Table (DBRT)
Member of this select Netherlands–Switzerland business network. A private forum connecting senior business leaders across both markets.
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Spanish Chamber of Commerce in Belgium & Luxembourg
Member of the Cámara Oficial de Comercio de España en Bélgica y Luxemburgo. The official channel for Spanish business across the Benelux and Luxembourg.
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International Fiscal Association (IFA)
Member of the world’s foremost authority on international and comparative tax. The global reference body for cross-border tax practitioners.
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BEYOND THE FOUNDER

Advisers & collaborators

Montclare operates through a curated network of specialists — actively managed, discreetly coordinated and built on long-term trust. Not a fixed board, but the right expert for each mandate.

Licensed Asset Managers

Portfolio, fund and real-estate managers who run regulated mandates alongside Montclare across capital markets and venture.

Transfer Pricing Economists

Specialists who benchmark, document and defend intercompany pricing to OECD and BEPS standards.

Cross-Border Tax & Notarial Counsel

Tax lawyers and civil-law notaries structuring holdings across the Netherlands, Spain, Luxembourg, Switzerland and the UAE.

Financing & Banking Partners

Debt, mortgage and capital specialists who source and structure financing for each transaction — never lent by Montclare.

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THE TAX & ASSET MANAGEMENT ENGINEERS
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