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SONNTAG Family Office GmbH

Multifamily office listing in Augsburg, Germany.

Headquarters
Augsburg, Germany

Independent family-office advice for clients with significant assets, combining holistic planning, structuring and investment support.1

Overview

SONNTAG Family Office GmbH manages substantial client fortunes through individualized, forward-looking solutions. The firm coordinates advice across asset categories and supports clients from initial analysis through implementation and ongoing reporting.1

History

SONNTAG Family Office was founded in 2001 as a subsidiary of a leading regional corporate law firm. The company is organized as a German Gesellschaft mit beschränkter Haftung and is registered with the Augsburg commercial register under HRB 18841.12

Leadership

The managing directors are Andreas Kerpf, Stefan Grießer and Eva-Maria Erhard. Matthias Kellner serves as an advisor.1

Services

The firm begins by recording and analyzing a client’s total assets, then works with the client to define investment objectives. Its services include asset structuring, wealth succession planning, investment strategy development and implementation support.1

SONNTAG Family Office also advises on selecting suitable external service providers, oversees controlling and provides regular reports on the status and development of a client’s total assets.1

What the firm offers

  • Estate planning

Client Focus

The firm serves clients with significant assets who require coordinated advice across their financial affairs. Its team draws on extensive experience and an international specialist network covering all major asset categories.1

Approach

SONNTAG Family Office describes its approach as independent, objective and loyal. Its “alter-ego principle” centers the advisory relationship on the client’s interests, while its specialist network contributes structuring expertise, implementation support and investment competence.1

FAQs

What does SONNTAG Family Office do?

It provides individualized family-office advice covering asset structuring, succession planning, investment objectives, strategy development, implementation support, provider selection, controlling and reporting.1

How does the firm develop an investment strategy?

SONNTAG Family Office first records and analyzes the client’s total assets, then defines investment objectives together with the client before developing and supporting implementation of an appropriate strategy.1

Is SONNTAG Family Office independent?

The firm describes its approach as independent, objective and loyal, guided by its “alter-ego principle.” It also states that it is a member of the Verband unabhängiger Family Offices.12

  • LocationMultifamily offices in Germany

    This guide helps German families and business owners compare multifamily office options by location, client focus and service scope. It gives context for considering an independent adviser such as SONNTAG Family Office GmbH, especially when estate planning must fit wider wealth decisions and family circumstances.

  • GuideMultifamily office services

    This overview explains the kinds of support a multifamily office may provide, from estate planning and ownership structures to investment coordination. Readers can use it to clarify which services matter for significant assets and to prepare focused questions for SONNTAG Family Office GmbH.

  • GuideMFO vs SFO vs virtual family office

    This comparison outlines how multifamily offices differ from single family offices and virtual models in staffing, cost and access to specialist advice. A family or business owner can use those distinctions to assess which arrangement fits German estate planning needs, privacy preferences and the level of ongoing guidance required.

  • GuideOutsourced CIO vs multifamily office

    This resource compares outsourced CIO arrangements with multifamily offices, including differences in investment responsibility and the range of family advisory work. It helps readers decide whether they need mainly portfolio oversight or broader support that also covers estate planning, structuring and related decisions.

  • Similar firms917 Family Office AG
    A/VENTUM family office Consulting AG
    Atlan Family Office

    These profiles offer nearby reference points for comparing SONNTAG Family Office GmbH with 917 Family Office AG, A/VENTUM family office Consulting AG and Atlan Family Office. Reviewing their stated services and client focus can help a German family or business owner identify questions about estate planning, investment support and adviser fit.

Sources

  1. SONNTAG Family Office
  2. SONNTAG Family Office Impressum

Claim or correct this profile

This profile is a factual summary written in our own words from public sources. It is for information only. It is not an endorsement, rating, ranking or recommendation, and it is not investment advice. MultiFamilyOffices.com is not affiliated with the SEC or with this firm unless stated. Form ADV figures are self-reported by the firm.

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