1ONE CAPITAL
Istanbul skyline

Backed by Tat Group · Est. 2026

Capital with industrial depth.

An investment platform creating long-term value through strategic investments, business partnerships and real asset development.

Integrity ✦Investment Discipline ✦Entrepreneurship ✦Partnership ✦Long-Term Thinking ✦Europe ✦United States ✦Türkiye ✦MENA ✦Integrity ✦Investment Discipline ✦Entrepreneurship ✦Partnership ✦Long-Term Thinking ✦Europe ✦United States ✦Türkiye ✦MENA ✦

Backed by & working with

Tat GroupXeden Energy, Construction and RenewablesFortune 500 TürkiyeOne IT SolutionThe Global Goals for Sustainable Development

Who we are

Financial strength, entrepreneurial agility.

Backed by Tat Group, ONE Capital pursues opportunities across private equity, energy, infrastructure, real estate and selected growth sectors. Combining financial discipline with industrial insight and an international perspective, we identify opportunities, build strategic partnerships and actively support the growth of our investments.

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Investment areas

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Core regions

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Step process

Investment sectors

Five principal areas of focus.

Investments may be made directly, through joint ventures, or through special purpose vehicles.

High-speed train in Türkiye

Flagship initiative

High-speed rail for Türkiye.

Connecting cities, industry and people through next-generation rail infrastructure — developed with strategic partners.

Partnership

More than capital.

Strategic planning, M&A, financial structuring, project development, governance and international expansion — we work alongside owners and management teams.

Have an opportunity to discuss?

We welcome introductions from business owners, project developers, strategic partners and institutions.