societe pour l informatique industr sa

What societe pour l informatique industr sa does

SII (Société pour l'Informatique Industrielle, commercially Groupe SII) is a French-headquartered engineering and IT services firm (ESN) that delivers digital, software, and engineering consulting to large enterprise clients across demanding sectors including aerospace and defense, banking, telecommunications, energy, automotive and transport, healthcare, and retail. Founded in 1979 and headquartered at 8 Rue des Pirogues de Bercy in Paris, the group operates through more than 100 sites in 21 countries and employs over 16,000 people, with planned recruitments of approximately 1,600 in 2026.

The company delivers its offering through a ten-line expertise platform spanning Applications, Data & AI, Cybersecurity, Infrastructure and Cloud, Manufacturing Engineering, Systems Engineering, Mechanical and Electrical Engineering, Embedded Systems, Test and Automation, and Test and Simulation, complemented by two specialized wholly-owned subsidiaries (SII Solutions and Metanext). Engagements are project-based, typically multi-year, and combine custom development with proven third-party technologies to address client needs such as reducing time-to-market, optimizing product operations, supporting energy transition, and securing critical systems.

SII generates revenue through professional services billings from these consulting and engineering mandates, sold primarily through direct enterprise engagement with major industrial groups. Named clients include Airbus, Thales, Safran, MBDA, EDF, Engie, Schneider Electric, ABB, Orange, Bouygues Telecom, BNP Paribas, Santander, Volkswagen, Roche, SNCF, Hitachi, La Poste, and Amadeus. The group has pursued inorganic growth in 2026 with acquisitions of Airtificial, Aertec Solutions, and Centum T&S activities to deepen aerospace and defense capabilities, and operates with an ESG-oriented profile (EcoVadis Platinum in 2025 and 2026, Great Place to Work certification).

Name

societe pour l informatique industr sa

Legal name

SII (Société pour l'Informatique Industrielle)

Website

https://groupe-sii.com

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

SII (Groupe SII) is a French-headquartered engineering and IT consulting firm (ESN) founded in 1979, employing over 16,000 people across 21 countries. It delivers project-based digital, software, and engineering services across ten expertise lines to large enterprises in aerospace, defense, banking, telecom, energy, automotive, and healthcare.

Ownership category

akta.pro rank

Product category

IT and Engineering Consulting Services

NAICS

Computer Systems Design Services (541512), Computer Systems Design and Related Services (54151), Engineering Services (54133)

SIC

Services-Computer Integrated Systems Design (7373), Services-Computer Programming Services (7371), Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Systems Integration & Implementation Services (BPAEAAAB)

akta.pro secondary industries

Systems Engineering & Technical Program Management (BPAHAIAI), Industrial & Process Engineering Consulting (BPAHAIAF)

Keywords

• IT consulting services
• Engineering services
• Digital transformation
• Embedded systems development
• Cybersecurity consulting

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Revenue model

1. IT Consulting and Engineering Services: Professional services revenue from consulting and engineering engagements with large industrial groups, providing expertise across sectors such as aerospace, defense, banking, telecommunications, energy, healthcare, and retail. The company deploys consultants and engineers on project-based and long-term contractual arrangements.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

SII (Société pour l'Informatique Industrielle) operates as an ESN (Entreprises de Services Numériques) delivering engineering, IT consulting, and digital services to large industrial groups. The firm deploys consultants and engineers on project-based engagements across ten core expertise areas including applications development, data & AI, cybersecurity, infrastructure and cloud, manufacturing engineering, systems engineering, mechanical and electrical engineering, embedded systems, and testing and simulation. Its specialized subsidiaries SII Solutions and Metanext deliver targeted consulting and next-generation technology services.

Product overview

SII Group is an international engineering and consulting firm (ESN) offering a comprehensive portfolio of technology services. The company operates as a multi-service platform organized around 10 core expertise areas spanning Applications, Data & AI, Cybersecurity, Infrastructure & Cloud, Manufacturing Engineering, Systems Engineering, Mechanical & Electrical Engineering, Embedded Systems, Testing & Automation, and Testing & Simulation. Two specialized subsidiaries—SII Solutions and Metanext—complement the main offerings with targeted solutions. SII serves demanding sectors including aerospace, defense, banking, telecommunications, energy, and healthcare, providing both technical expertise and strategic consulting to major corporate clients. The company was founded in 1979, employs over 16,000 people across 21 countries, and positions itself as a digital transformation partner.

Differentiator

Problem solved

Functional benefit

Brands

• SII Solutions: Specialized entity within the SII Group
• Metanext

Products and services

• Applications
• Data & AI
• Cybersecurity
• Infrastructure and Cloud
• Manufacturing Engineering
• Systems Engineering
• Mechanical and Electrical Engineering
• Embedded Systems
• Test and Automation
• Test and Simulation
• SII Solutions
• Metanext Specialized wholly-owned subsidiary entity of SII Group focused on next-generation technology solutions and digital transformation services.

Named customers17 records

Segments7 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Two partnerships are on record, tiered core and minor.

• AmadeuscoreStrategic or Co-development Partner · 1 July 2026SII deployed an international Agile team to support Amadeus, a major travel technology company. The collaboration involves dedicated engineering resources working on critical travel industry systems.
• KoalyaminorStrategic or Co-development Partner · 1 May 2026Collaboration between Fondation SII and Koalya focused on meaning, innovation, and impact in line with SII's RSE strategy. The partnership supports sustainable development and social impact initiatives.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Alten: Alten is a European engineering and technology consulting group with a similar mix of R&D, embedded systems, digital transformation, and industrial project services. Its vertical focus and global delivery footprint make it one of the closest operating peers to SII.
• Assystem: Assystem is an engineering and project-management services firm focused on energy, aerospace, industrial, and infrastructure programs. It is comparable to SII's technical consulting and complex-project execution, though it is less broad on commercial digital services.
• Bertrandt: Bertrandt provides engineering services to automotive, aerospace, electronics, and industrial customers, including embedded systems, simulation, testing, and production engineering. It is a strong direct peer on industrial engineering, with less breadth in enterprise IT services.
• Sopra Steria: Sopra Steria is a European IT and digital-services group spanning application development, cloud, cybersecurity, data, and systems integration. It is highly comparable in customer type and enterprise technology delivery, although its portfolio is more IT-centric and its scale is larger.
• AKKA Technologies: AKKA Technologies provides engineering and technology consulting to industrial, aerospace, automotive, and embedded-systems clients. It is a direct peer in staff/project-based engineering and digital transformation.
• Expleo: Expleo provides engineering, digital, and management consulting across aerospace, automotive, energy, banking, and telecom. Its sector mix and mission-critical engineering work closely overlap SII's offerings.

Broad incumbents

• Capgemini: Capgemini is a global IT, engineering, and consulting group with applications, cloud, cybersecurity, data, and systems-integration capabilities. It is a broad incumbent that competes for the same enterprise transformation budgets as SII.
• T-Systems: T-Systems is an enterprise ICT-services provider focused on cloud, infrastructure, cybersecurity, and systems integration. It is a broad incumbent adjacent to SII's infrastructure, cloud, and enterprise technology delivery.
• Accenture: Accenture is a global professional-services firm with technology, consulting, cloud, cybersecurity, data, and engineering capabilities. It is a broad incumbent that overlaps SII across digital transformation and enterprise technology services, at substantially greater scale.
• CGI: CGI is a global systems-integration and IT-consulting company with application, cloud, infrastructure, data, and managed-services capabilities. It is a broad incumbent comparable to SII's enterprise systems work.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

• YouTubeyoutube.com/channel/UCxfEv9lcsHkZjDniHSLqwXA
• LinkedInlinkedin.com/company/sii
• Instagraminstagram.com/Groupe_SII

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about societe pour l informatique industr sa