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 7 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 and Brussels, 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. Patrick de Bonnières

    Patrick de Bonnières

    Trustee governance

  3. Damien Bourg

    Damien Bourg

    Audit due diligence

  4. Olivier Coutrix

    Olivier Coutrix

    Transactions & capital

  5. Véronique Genet

    Véronique Genet

    Consolidation reporting

  6. Hugues de Noray

    Hugues de Noray

    Audit & Fairness Opinion

  7. Grégoire de Silvestre

    Grégoire de Silvestre

    Improving performance

  8. Antoni Vassileff

    Antoni Vassileff

    Trustee - Advolis Brussels

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


Amortissement du goodwill : Etat des discussions - 02 November 2015
Le 22 octobre, le board de l’IASB a une nouvelle fois reporté sa décision concernant l’amortissement du goodwill. Article par Hugues de Noray.
En savoir plus…
Cessions significatives d'actifs : recommandation AMF - 14 September 2015
Les cessions d'actifs ne relèvent pas du droit boursier mais du droit des sociétés, laissant ainsi une très large part de décision à la direction générale et aux organes de direction. Article par Véronique Genet.
En savoir plus…
Réorganisation des annexes aux comptes : des avancées concrètes - 06 July 2015
L'AMF encourage la réflexion sur la pertinence, la cohérence et la lisibilité des annexes aux comptes en publiant un guide illustré de nombreux exemples concrets. Article par Hugues de Noray.
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 with the metro

  • Lines 2 & 6 — Trône Station