ADVOLIS: an independent audit and corporate advisory firm providing a broad range of solutions, supported by a high level of financial and transactional expertise, and delivering tailor-made responses to its clients’ challenges

About Us

Independent audit and advisory firm founded in 2004 with an entrepreneurial spirit, Advolis combines the expertise of 9 partners within a team of thirty.

Advolis’ growth has been guided by strong premises:

  • Independence with a clear intention: provide catered added value in audit, due diligence, financial advisory and transaction services
  • A financial practice carried-out within a regulated structure encompassing statutory auditing certifications, contributing to ensure straightforwardness in the execution of all types of assignments
  • Growth without compromising quality

Advolis’ offer is organized along 4 lines of services:

  • Regulated Missions (Audit/Court Expert/Trustee)
  • Transactions and Capital
  • Performance improvement
  • Consolidation reporting

Offices in Paris, Brussels and Hamburg, and correspondent firm in New York.


  1. Regulated engagements

    • Statutory audit
    • Fairness opinion
    • Court expert
    • Trustee engagements
    • IS audit

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  2. Transactions & capital

    • Transaction advisory
    • Shareholders advisory
    • Business model
    • Valuation

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  3. Improving performance

    • Operational efficiency
    • Risk management

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  4. Consolidation reporting

    • Outsourcing
    • Assistance
    • Consulting

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ADVOLIS: a multidisciplinary approach of dedicated teams sharing common values, pragmatism, entrepreneurial spirit and a keen attention to clients’ needs, along with the full commitment of the partners to the proper execution of all assignments

Our team

  1. Patrick Iweins

    Patrick Iweins, Chairman

    Audit & Court Expert

  2. Damien Bourg

    Damien Bourg

    Audit due diligence

  3. Olivier Coutrix

    Olivier Coutrix

    Transactions & capital

  4. Véronique Genet

    Véronique Genet

    Consolidation reporting

  5. Hugues de Noray

    Hugues de Noray

    Audit & Fairness Opinion

  6. Grégoire de Silvestre

    Grégoire de Silvestre

    Improving performance

  7. Antoni Vassileff

    Antoni Vassileff

    Trustee – Brussels office

  8. Cyril Bordeaux

    Cyril Bordeaux

    IT Audit & Governance

ADVOLIS: lines of services centered on financial matters and corporate risks management, designed for shareholders and managers alike


Advisory firms Advolis and Orfis join forces to better serve the changing needs of their clients - 10 April 2018
Advolis, a firm specializing in financial audit and advisory services and Orfis, a Lyon-based audit, consulting and accountancy firm, today announce they are joining forces. The new group, which will have 140 employees and 18 partners, will be able to better meet the needs of their clients through all their different development phases and requirements.
En savoir plus…
Advolis expands its trustee services practice in Europe & appoints new head in Paris - 05 April 2017
Oliver Albrecht joins Advolis as head of its new Hamburg office, dedicated to Trustee assignements. Francois Dumonteil becomes the new head of the Trustee practice in Paris.
En savoir plus…

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ADVOLIS: at the heart of the marketplace, with the trust of a large variety of private and public actors, from mid-cap to major companies, institutions or private investment funds, both domestically and internationally

Our offices in Paris

13 avenue de l'opéra, paris

Our offices in Paris

Advolis Paris

  • 13, avenue de l’Opéra, 75001 Paris.
  • Phone: +33 (0)
  • Email:


Reach us


  •  - Lines 7 & 14 — Pyramides Station
  •  - Line 1 — Palais Royal Station
  •  - Lines 8, 3 & RER A — Opéra Station

Car park: Pyramides or Saint Honoré

Our offices in Brussels

Square de Meeûs, 37 – B-1000 Brussels

Our offices in Bruxel

Advolis Bruxelles

  • Square de Meeûs, 37 – B-1000 Bruxelles.
  • Phone: +32 (0)
  • Email:


Reach us

  • Lines 2 & 6 — Trône Station

Our offices in Hamburg

Stadthausbrücke 1-3, 20355 Hamburg

Our offices in Hamburg

Advolis Hamburg

  • Stadhausbrücke 1-3, 20355 Hamburg
  • Phone: +49 40 3764 4671
  • Email:


Reach us

  • S-Bahn 1 – Stadthausbrücke
  • Underground 3 – Rödingsmarkt

Car park:

  • An der Stadthausbrücke 5-7 (Contipark) or
  • Rödingsmarkt 14