A Financial Services Firm Built on Experience

Global Investment Strategy UK Limited is a UK-regulated financial services firm built around experienced professionals, disciplined processes and long-term relationships. We work with private and professional clients who value clear thinking, careful execution, and flexible financial services.

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Access Across Global
Financial Markets

Our teams operate across a broad range of financial markets, including equities, fixed income, capital markets and global trading. Clients benefit from established relationships, efficient execution, and access to deep liquidity.

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Supporting Private and Professional Clients

Our clients include private investors, professional market participants, family offices and institutions. Each client relationship is approached with the same focus on clarity, careful execution and consistent communication.

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Our clients value clear thinking, careful execution, and the confidence that comes from working with experienced professionals. We take a long-term view of client relationships and apply a disciplined approach to everything we do.

Every engagement is supported by individuals who understand the importance of professional standards and client trust.

John William Gunn

John William Gunn

Founder with over 30 years of experience across prime brokerage, corporate finance and international capital markets.

Samantha Esqulant

Samantha Esqulant

Chief Executive Officer with more than 20 years of institutional financial services experience leading global, client-focused businesses.

Nilesh Jagatia

Chartered Accountant and Group CFO with more than 25 years of senior leadership across AIM-listed and growth-stage companies.

Sander Bake

Sander Bake

Head of Trading responsible for global multi-asset execution, trading strategy and portfolio implementation.

GIS - Governance, Regulation, and Standards
July 15, 2026

Who Tests the Investment Case Between Earnings Reports?

Earnings reports attract attention because they appear to offer certainty, even though the busine...

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July 8, 2026

Has the Cost of Capital Changed Permanently?

After more than a decade of ultra-low interest rates, investors are increasingly asking whether c...

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July 1, 2026

Should Governments Influence How We Invest?

For decades, governments have used tax policy to encourage certain financial behaviours. Pension ...

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