About us

Convinced that intangible assets represent the key to the valuation of companies, our aim is to assist companies in the optimal strategic management of their intangible assets portfolio, integrating industrial property rights (trademarks, patents, designs), softwares and digital projects, know-how, tradesecrets, etc.

Finantis Value was born from the alliance of Finantis group‘s financial engineering know-how and Nowall Innovation‘s vision for innovative strategies.

In this way, we have the necessary financial, economic and technical know-how to fully understand and value innovative assets.

We work closely with professionals with complementary skills, such as IP attorneys, tax or business lawyers.

Finantis group

Created in 1997, Finantis group relies on a team involving over 30 experienced and qualified professionals.

Finantis services are recommended in several rankings proposed by Leaders League :

Mergers & acquisitions – Financial evaluation & asset transfer and merger audits

Ranking 2021 – Auditing & accounting firm – France

Mergers & acquisitions – Transaction services consulting

Ranking 2021 – Auditing & accounting firm – France

Private Equity – Transaction services consulting

Ranking 2020 – Auditing & accounting firm – France

Finantis is part of the Inpact International network, an alliance of accounting firms, auditors and consultants in Europe, Middle East, Africa and South America. Inpact International has 200 members in 60 countries. Ideal for accompanying you in your international development.Inpact International member firms are able to propose to their clients professional services of high quality and consistency. The objective of this alliance is to meet the needs of our customers both locally and internationally.
We are a practitioner member of EACVA/GACVA (Global and European Association of Certified Valuators and Analysts). GACVA supports the users of business valuation and financial litigation services, including damages determinations of all kinds, by training and certifying financial professionals in these disciplines worldwide.

Our team

Our partners have extensive experience in the areas of finance, industry and services. They are directly involved in the missions, guaranteeing independence, ethics and professionalism.

Sylvie Gamet

Sylvie GAMET

Partner & CEO

Sylvie is an Associate Director of Finantis Value. Since 2009, she has developed a highly certified expertise in the financial valuation of innovative intangible assets (patents, brands, software, web and mobile applications, websites, know-how, trade secret …), mostly acting in capital contributions or fundraising contexts.

As a CVA (Certified Valuation Analyst) and CPVA (Certified Patent Valuation Analyst), she is a fellow of CNCEF (National Chamber of Consulting Financial Experts), EACVA/GACVA (European Association of Certified Valuators and Analysts), and SFEV (French Society of Appraisers).

Engineer graduated from the National Polytechnic Institute of Lorraine, Sylvie has a career in business consulting (particularly in asset management and valuation) and in entrepreneurship.
Sylvie founded Nowall innovation, a consulting company aiming to support SMBs and start-ups in their innovation process.

Sylvie is active in various fields, particularly in the mechanical/electronics/optronics/mechatronics/robotics industries, new technologies (IT, IoT …), and services sectors.

In 2017, she edited a white paper including tax and legal decisions that have a direct impact on the valuation of digital projects.

Yves Alain ACH

Yves-Alain ACH


Yves is a partner in Finantis Value. It specializes in the valuation of intangible assets and companies and developed his experience in national and international, in numerous sectors. He is in charge of valuations and advisory missions as well as expert missions.

Yves holds a PhD in Management Science. He is a member and director of the CNCEF (National Chamber of Councils and Financial Experts), WIPO neutral(World International Property Organization), Mediator and Arbitrator at the CMAP (Center for Mediation and Arbitration in Paris) and Arbitrator at the AFA (French Association of Arbitration).

Yves is active in many sectors, particularly in the food industry, technology, textile and clothing industries.

Carelle PERNOT



Carelle is a partner of Finantis Value and specializes in companies valuation and corporate taxation.

Carelle is a graduate of the University Paris I Panthéon la Sorbonne and is a certifed public accountant. She has 18 years experience in national law firms and is active mainly in the non-profit sectors and in the catering sector.




Renaud is a partner of Finantis Value, he is specialized in mergers and acquisitions and has participated in numerous due diligence missions.

Renaud is a certified public accountant who works mainly in the distribution, automotive and real estate sectors. He has over 16 years experience in international audit companies.




Fabien is a partner at Finantis Value. He deals with internal and external audits and works with SMEs or national and international groups from various sectors including digital, film and industrial sector and the voluntary sector.

Fabien is a chartered accountant and auditor. His diversified experience enables him to build a network to provide personalized and high quality services.