Multi-Family Office

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Sontek

Sontek is a multi-family office headquartered in Espoo. The firm provides comprehensive wealth management and investment advisory services to families seeking...

Sontek

Sontek is a multi-family office headquartered in Espoo. The firm provides comprehensive wealth management and investment advisory services to families seeking to preserve and grow their capital across generations. With a focus on tailored solutions, Sontek addresses the financial, legal, and administrative needs of its clients—enables families to navigate complex financial landscapes and achieve their long-term objectives through disciplined stewardship and strategic planning.

General information

Firm type

Multi Family Office

Year founded

1992

Location

Region

Europe

Country

Finland

City

Espoo

Frequently asked questions

What is Sontek?

Sontek is a multi family office headquartered in Espoo, Finland.

When was Sontek founded?

Sontek was founded in 1992.

Where is Sontek headquartered?

Sontek is headquartered in Espoo, Finland, in the Europe region.

What does Altss track for Sontek?

Altss maintains an OSINT-verified profile of Sontek 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 is Sontek's website?

Sontek's public website is www.sontek.com. Verified contact details for principals and decision-makers are available to Altss subscribers.

What type of firm is Sontek?

Sontek is classified by Altss as a Multi Family Office, operating from Finland within the Europe region.

How does Altss source intelligence on Sontek?

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 Sontek's Altss profile last updated?

Sontek's profile on Altss was last refreshed on May 29, 2026. Continuous updates are applied as new public information is verified.

Profile maintained by 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.

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