d2si is a prominent French IT consulting firm, now part of Devoteam, specializing in public cloud adoption, data engineering, FinOps, and DevOps methodologies. They assist organizations in harnessing the full capabilities of cloud platforms like AWS, Google Cloud, and Microsoft Azure to drive innovation, optimize expenditures, and improve operational agility. With a core emphasis on deep expertise and client success, d2si supports clients through all phases of their cloud journey, including strategy, design, migration, implementation, and managed services. They are recognized as an AWS Premier Tier Services Partner.
Serves as the primary operational center for d2si, driving strategy, client relations, and the development of cloud and data solutions for the French and European markets.
Likely a contemporary office environment designed to promote collaboration, learning, and innovation, suitable for a technology-focused consulting company. Specific architectural details are not publicly highlighted.
Fosters a culture centered on technical excellence, continuous learning in cloud technologies, agile collaboration, and a strong client-first approach, reflecting its role as expert cloud advisors.
The Paris headquarters establishes d2si's strong presence in the French tech ecosystem, enabling it to effectively serve a wide array of clients and attract top talent in cloud computing and data science.
d2si primarily operates across France with strategic offices in Paris, Lyon, Nantes, Lille, Bordeaux, and Toulouse. Their international presence includes an office in Geneva, Switzerland, enabling them to serve the Swiss market. As a cloud-native consultancy and part of the global Devoteam group, d2si's services inherently support clients with international operations, facilitating the use of global cloud infrastructure to meet diverse business needs worldwide.
71 Rue Desnouettes
Paris
Île-de-France
France
Address: Le Shift, 18 rue de la Thibaudière, 69007 Lyon
Provides localized expertise and support for digital transformation initiatives, building strong relationships with businesses in Lyon and its surroundings.
Address: Le Palace, 4 rue Voltaire, 44000 Nantes
To offer accessible, local cloud strategy, implementation, and managed services to organizations in the Pays de la Loire region.
Address: Euratechnologies, 165 Avenue de Bretagne, 59000 Lille
To engage with and support the digital transformation of enterprises in the Hauts-de-France region, offering close-to-client cloud expertise.
Address: WIGI, 9 Rue de Condé, 33000 Bordeaux
To deliver tailored cloud solutions and foster innovation for businesses in the Nouvelle-Aquitaine region.
Address: Le Belvédère, 11 Boulevard des Récollets, 31400 Toulouse
To support the advanced technological needs of industries in and around Toulouse with expert cloud advisory and implementation.
Address: Spaces, Rue de Lausanne 15, 1201 Genève
To cater to the specific needs of Swiss enterprises, including those in finance, international organizations, and manufacturing, by providing local cloud advisory and implementation services.
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As of April 2025, d2si' leadership includes:
d2si has been backed by several prominent investors over the years, including:
No major publicly announced executive hires or exits specific to the d2si brand within the strictly last 12 months have been identified. Leadership has been stable under Sébastien MÉNÉLEC, who assumed the Director role for d2si (a Devoteam Company) in January 2023.
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As d2si is part of Devoteam, employees may use Devoteam group email addresses (e.g., firstname.lastname@devoteam.com). However, d2si.io addresses may also be in use. Common professional email formats include [first_initial][lastname] or [firstname].[lastname].
[first_initial][lastname]@d2si.io or [firstname].[lastname]@d2si.io
Format
s.menelec@d2si.io or sebastien.menelec@d2si.io
Example
70%
Success rate
d2si.io Blog • November 16, 2023
d2si announced it has joined HashiCorp's Solution Provider Program. This partnership allows d2si to offer, implement, and provide services for HashiCorp's suite of multi-cloud infrastructure automation products, enhancing their DevOps and Cloud automation offerings for clients....more
d2si.io Blog • October 24, 2023
d2si has obtained the AWS Level 1 Managed Security Service Provider (MSSP) Competency. This specialization recognizes d2si's expertise in providing AWS customers with 24/7 managed security services for monitoring and protecting essential AWS resources....more
d2si.io Blog • September 28, 2023
d2si has partnered with Coroot to leverage eBPF-based observability for Kubernetes clusters. This collaboration aims to provide clients with deeper insights and troubleshooting capabilities for their containerized applications running on Kubernetes....more
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