Family Office

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Abts & Partners

Abts & Partners is a family office founded by Pieter Abts with operations in Switzerland and Monaco, managed by a team of family members and business...

Abts & Partners

Abts & Partners was founded by Pieter Abts, who serves as CEO and leads a team of six named professionals including family member Patricia De Maertelaere as Partner and Director. The firm operates without a publicly disclosed founding year, AUM, or geographic headquarters address, though LinkedIn indicates a footprint spanning Switzerland and Monaco (Altss research). The firm's investment strategy and asset-class mix remain undisclosed in public sources. No named portfolio companies, deals, or co-investors have been identified. The team includes business partners Sophie Kieffer and Philippe Gargill on the executive committee, alongside managing directors Monika Immoos and Stefan Lehmann in the Swiss office (Altss research). Abts & Partners maintains a small professional team with no publicly reported team size or deployment figures. The firm's link to the Club des Résidents Etrangers de Monaco (CREM), a professional network for international residents, suggests deal-flow or networking ties in Monaco (Altss research). No recent operational events have been confirmed. The firm's structural differentiator is its tight family-and-partner governance model with cross-border operations in Switzerland and Monaco, but disclosure is minimal across strategy, deployment, and portfolio. The absence of public AUM, sector focus, or investment track record makes institutional evaluation difficult without direct engagement.

General information

Firm type

Unspecified

Year founded

AUM

Undisclosed

Location

Region

Country

City

Corporate office

Principals

Pieter Abts

CEO and Founder

Patricia De Maertelaere

Partner and Director

Sophie Kieffer

Member of the Executive Committee and Manager

Philippe Gargill

Member of the Executive Committee and Manager

Monika Immoos

Managing Director of the Swiss office

Stefan Lehmann

Managing Director of the Swiss office

Frequently asked questions

Who leads investment decisions at Abts & Partners?

Pieter Abts is the CEO and founder. Patricia De Maertelaere serves as Partner and Director, and Sophie Kieffer and Philippe Gargill are on the executive committee. The Swiss office is managed by Monika Immoos and Stefan Lehmann (Altss research).

Is Abts & Partners a single or multi-family office?

Public sources classify Abts & Partners as a family office but do not specify whether it is single-family or multi-family. The presence of business partners on the executive committee suggests it may operate with some multi-family characteristics (Altss research).

What investment stages has Abts & Partners been involved in?

No public information is available on specific investment stages, asset classes, or portfolio companies engaged by Abts & Partners. The firm's investment posture and stage preferences remain undisclosed (Altss research).

How does Abts & Partners source deal flow?

The firm's sourcing model is not publicly documented. Founder Pieter Abts is a member of CREM (Club des Résidents Etrangers de Monaco), a professional network that may facilitate deal introductions, but no concrete sourcing process has been disclosed (Altss research).

Does Abts & Partners invest through funds or directly?

There is no public record of Abts & Partners making fund commitments or direct investments. The firm has not disclosed its investment vehicle structure, including whether it uses SPVs, club deals, or co-investments (Altss research).

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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