About us

Founded in 1924, Banque Delubac & Cie, is an independent financial institution. For almost a century, we have been offering you specialised banking services. Bold in our development strategies and constantly reinventing ourselves, we choose to focus on high added-value niche businesses, so allowing us to stand out from general banks.
Our hallmark “Expertise and Independence” reflects our DNA: independence, specialist activities and bespoke services.
Notre ambition :
être la banque de l'excellence de la relation client et du service rendu

Delubac & Cie in figures

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nearly a century in financial expertise
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specialised banking and finance sectors
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employees for a bank on a human scale
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establishments in metropolitan France and overseas French departments and territories

Family governance,

between tradition and modernism

A limited partnership

Banque Delubac & Cie is a limited partnership (société en commandite simple). The managing partners embody the governance of the Group through the initiative and the conduct of a long-term visionary policy. The managing partners are jointly and severally liable on their own property. The absence of shareholders or pension funds allows independence and freedom of decision. This particular model provides our clients and partners with quality services through controlled risk management. A guarantee of confidence, independence and durability.

3 managing partners resulting from the reunion of two families

Since 1988, the bank has been run by two families: the Delubac family and the Bialkiewicz family. It is one of the last family banking institutions in France. Since its creation in Le Cheylard in Ardèche, the bank has proudly cultivated its difference. It draws its identity and primary strength from the combination of modernity and tradition.
Serge Bialkiewicz, associé 1er gérant Delubac & Cie
Mr. Serge Bialkiewicz
Senior Managing Partner

After a long career as a recognised leasing expert, Serge Bialkiewicz met the Delubac family during meetings at the Office de Coordination des Banques Privées.

A specialist in banking management, he joined Delubac & Cie in 1988 as senior managing partner to develop the bank's activities beyond the Ardèche.

Mr Jean-Michel Samuel Delubac, Associé Gérant
Mr. Jean-Michel Samuel Delubac

Managing Partner

After studying in Paris and Grenoble, the grandson of Mr Maurice Delubac and son of Jean Samuel Delubac became his successor.

He has been a Managing Partner since 1980 and proudly contributes to perpetuating the values of the founder.

Joël-Alexis Bialkiewicz, Associé Gérant
Mr. Joël-Alexis Bialkiewicz

Managing Partner

With a scientific background – he holds an engineering degree in software engineering and a doctorate in theoretical computer science –, he joined Banque Delubac in 2010.

Since 2012 as Managing Partner, he has been updating Banque Delubac's processes and governance.

A personalised approach

Since its creation, Banque Delubac & Cie has faithfully strived to maintain its values, which are anchored in the DNA of the family bank. Our ambition is to be the bank for excellence in client relations and service.

The expertise, proximity and responsiveness of our expert advisers enable us to offer our clients tailor-made services.

Delubac client relationship trust
Delubac financial activities

Expertise in our activities

Thanks to a development strategy based on high value-added businesses, the bank is present today in several financial areas:

We continue to support you by adapting to future challenges. This is how we have become the first French bank authorised to offer a crypto-asset service since April 2022..

The proximity of our teams

Banque Delubac & Cie is proud of its Ardèche roots and, after Le Cheylard, has went on to extend its presence in France closer to major cities and its clients: Le Cheylard, Paris, Lille, Rouen, Nantes, Bordeaux, Toulouse, Montpellier, Marseille, Nice, Valence, Lyon, Strasbourg and Reunion.

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