Updated:
Sigma Principal Capital (Stellakis Family Office)
Sigma Principal Capital (Stellakis Family Office) is a single-family office headquartered in London. Established in 2016 by private-equity executive Pavlos...
Sigma Principal Capital (Stellakis Family Office)
Sigma Principal Capital (Stellakis Family Office) is a single-family office headquartered in London. Established in 2016 by private-equity executive Pavlos “Paul” Stellakis, the firm oversees capital accumulated during his leadership and co-investment tenure at National Bank of Greece’s NBGI Private Equity unit. The office allocates across direct private equity, property and liquid markets, preserving and compounding multi-generational wealth.
General information
Firm type
Single Family Office
Year founded
2016
Location
Region
Europe
Country
United Kingdom
City
London
Frequently asked questions
What is Sigma Principal Capital (Stellakis Family Office)?
Sigma Principal Capital (Stellakis Family Office) is a single family office headquartered in London, United Kingdom.
When was Sigma Principal Capital (Stellakis Family Office) founded?
Sigma Principal Capital (Stellakis Family Office) was founded in 2016.
Where is Sigma Principal Capital (Stellakis Family Office) headquartered?
Sigma Principal Capital (Stellakis Family Office) is headquartered in London, United Kingdom, in the Europe region.
What does Altss track for Sigma Principal Capital (Stellakis Family Office)?
Altss maintains an OSINT-verified profile of Sigma Principal Capital (Stellakis Family Office) covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), assets (real estate, public market positions, private companies, art and cultural holdings, philanthropy and foundations), and network (club memberships, associations, and event participation). Detailed values are available to Altss subscribers.
What type of firm is Sigma Principal Capital (Stellakis Family Office)?
Sigma Principal Capital (Stellakis Family Office) is classified by Altss as a Single Family Office, operating from United Kingdom within the Europe region.
How does Altss source intelligence on Sigma Principal Capital (Stellakis Family Office)?
Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.
When was Sigma Principal Capital (Stellakis Family Office)'s Altss profile last updated?
Sigma Principal Capital (Stellakis Family Office)'s profile on Altss was last refreshed on May 29, 2026. Continuous updates are applied as new public information is verified.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
Need institutional-grade insight on family offices?
Altss delivers:
Prefer a guided tour?
We’ll walk you through: