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SII Group

SII is an international group specialising in digital services and information and communication technologies (ICT). Founded in 1979, SII operates as a digital consulting and engineering company, providing long-term support to major groups in demanding sectors such as aeronautics, space and defence, banking and insurance, telecommunications, energy, and industry. With a presence in 21 countries and more than 16,000 employees, the group places human values and team commitment at the heart of its strategy.

  • About us
  • SII in the world
    • SII in France
    • Aix Méditerranée
    • Atlantique
    • Auvergne Rhône-Alpes
    • Est
    • Île-de-France
    • Nouvelle-Aquitaine
    • Nord
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    • Sud-Ouest
    • Ouest
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    • Metanext

Industries

A key player in digital transformation, SII designs and integrates technological solutions, combining specific developments with proven technologies. From industry to finance, telecommunications, and services, the group supports its clients in the success of their most complex projects, both in France and internationally.

  • Aeronautic, Space and Defense
  • Banking and Insurance
  • Telecoms
  • Automotive and Transport
  • Energy
  • Health
  • Retail and Distribution

Expertise

SII leverages its engineering and IT expertise to support, accelerate, and facilitate its clients' transformations. Our tailor-made solutions combine technical mastery, industry knowledge, and a pragmatic approach.

  • Applications
  • Cybersecurity
  • Data and AI
  • Embedded Systems
  • Infrastructure and Cloud
  • Manufacturing Engineering
  • Mechanical and Electrical Engineering
  • System Engineering
  • Test and Automatisation
  • Test and Simulation

Innovation

SII is involved in research and innovation activities, either independently or through partnerships, in order to support our clients and society in responding to major challenges: connected, inclusive, and sustainable territories and services, as well as eco-friendly, autonomous, and accessible transportation.

  • Optimize product operations within its ecosystem
  • Reducing time-to-market while ensuring reliability
  • Supporting the energy transition
  • Improvement of production and operation

CSR approach

At SII, we firmly believe that digital technology is a driver of opportunities and sustainable solutions. It enables us to support society and our clients in their transition towards a more resilient future, while strengthening our social commitment through equity, diversity, and inclusion, which are essential pillars in addressing social, climate, and environmental challenges.

  • SII Corporate Foundation
  • Diversity, Equity and Inclusion Mission

Join us

Joining SII means engaging in a collective adventure: at SII, we dare, we innovate, and we commit ourselves to working together to build a sustainable, inclusive, and technological future.

  • Why join SII?
  • Our jobs
  • Benefits
  • Career and Training

News

Follow the latest news from the SII Group. Discover our projects, our expertise, our commitments, and the life of our agencies in France and internationally.

  • Press

Our press
releases

Actu_The-SII-Group-establishes-itself-in-Pau.jpg
Press release
20 jan. 2025
The SII Group establishes itself in Pau

The SII Group launches its operations in Pau with the creation of a new site in the South-West region: SII Pyrénées.

Read more
Actu_SII-aims-to-improve-mobility-for-blind-and-partially-sighted-people-with-I-CAN-SII.jpg
Press release
07 jan. 2025
SII aims to improve mobility for blind and partially sighted people with I CAN SII

SII is currently developing CAN SII, an innovative vibrating vest combining lidar, camera and data fusion to enhance the mobility, independence and safety of blind and visually impaired people.

Read more
Actu_SII-Tours-inaugurates-its-new-premises-a-place-designed-for-collaboration-and-innovation.jpg
Press release
18 dec. 2024
SII Tours inaugurates its new premises: a place designed for collaboration and innovation

The SII Group is relocating its Tours office to 450 m² premises in the city centre, designed to support its growth and promote well-being and collaboration.

Read more
Actu_SII-acquiert-RISA-IT.jpg
Press release
07 jun. 2023
SII acquiert RISA IT

The SII group, specialist in engineering, confirms the acquisition of 100% of the capital of RISA IT, a Dutch service company specialized in software development and testing.

Read more
Actu_SII-acquires-Metanext.jpg
Press release
16 jan. 2023
SII acquires Metanext

SII Group, specialist in engineering services, confirms the acquisition of 100% of the capital of METANEXT. As announced on November 21, 2022, the parties signed the final closing of the operation.

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Actu_SII-enters-in-exclusive-negotiations-with-METANEXT-in-order-to-acquire-100%-of-its-shares.jpg
Press release
23 nov. 2022
SII enters in exclusive negotiations with METANEXT in order to acquire 100% of its shares

SII Group, specialist in engineering services, announced entering exclusive negotiations with the shareholders of METANEXT in order to acquire 100% of its shares.

Read more

PRESS CONTACTS

Alexandre Ghaffari

  • Email: [email protected]
  • Tel: 06 15 86 94 18

Séverine BATY

  • Email: [email protected]
  • Tel: 06 64 15 70 24
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