What SII Technologies does

Groupe SII is a privately held French IT services and engineering consultancy founded in 1979, headquartered in Paris, operating across 21 countries with more than 16,000 employees and approximately 100 sites. The company delivers both IT services (application development, data and AI, cybersecurity, infrastructure and cloud, test and automation) and engineering services (systems engineering, mechanical and electrical engineering, embedded systems, manufacturing engineering, test and simulation) to enterprise clients in aerospace, defense, banking, insurance, telecommunications, energy, automotive, healthcare, and retail/transport. SII positions itself as a dual IT/engineering partner supporting the full project lifecycle from design to certification and production, with deep domain expertise in regulated verticals.

The company's go-to-market is built on direct enterprise sales, long-term anchor engagements with major corporate clients, and a "Flexshore" delivery model that combines on-site consulting with nearshore and offshore capacity from Chile, Colombia, Morocco, and other regions. Revenue is generated through professional services engagements (time and materials, fixed-price projects, center-of-services models) typically under multi-year contracts; no consolidated revenue is disclosed publicly, but disclosed regional revenues (Germany €70M, Belgium €10M, Canada ~CAD $17M, Chile €8.4M, Colombia €5.8M) and an estimated 16,000+ headcount imply a seven-figure revenue base. SII differentiates through a certified workplace culture (Great Place to Work in 15 countries), industry certifications (ISO 9001/14001/27001, EcoVadis Platinum, CDP A List), long-tenured client relationships (30-year partnership with Thales, 20-year with Schneider Electric, 10+ years with La Poste), and an internal R&D and innovation cell (SII Research) with 8 laboratories and 40 researchers. Recent strategic moves include two aerospace/defense acquisitions in mid-2026 (Centum T&S activities; Airtificial and Aertec Solutions manufacturing engineering activities) and a plan to recruit 1,600 employees in 2026.

Name

SII Technologies

Legal name

Groupe SII

Website

https://sii-group.com

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

101–250 employees

Short description

Groupe SII is a privately held French IT services and engineering consultancy serving enterprise clients in aerospace, defense, banking, telecoms, energy, and automotive with 16,000+ employees across 21 countries, combining onshore consulting with nearshore and offshore delivery.

Ownership category

akta.pro rank

Product category

IT Services and Engineering Consulting

NAICS

Computer Systems Design and Related Services (54151), Computer Systems Design Services (541512), Other Computer Related Services (541519)

SIC

Services-Computer Integrated Systems Design (7373), Services-Computer Programming Services (7371)

akta.pro primary industry

Systems Integration & Implementation Services (BPAEAAAB)

akta.pro secondary industries

Application Maintenance & Support (AMS) (BPAEAFAC), Enterprise Architecture & IT Operating Model (BPAHAEAB)

Keywords

• IT services consulting
• Engineering consulting services
• Systems engineering aerospace
• Embedded systems development
• Digital transformation services

Headquarters

HQ city

Gersthofen

HQ country

Germany

HQ region

Europe

Offices20 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Engineering and IT Consulting Services: SII operates as an ESN (Entreprises de Services du Numérique) providing consulting and engineering services. Revenue is generated through professional services engagements including time & materials, fixed-price projects, flexshore/nearshore delivery, and center of services models. Long-term consulting contracts with major accounts in aerospace, defense, banking, telecoms, and energy sectors.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

SII Technologies is an engineering and IT services consultancy that delivers custom application development, data and AI, cybersecurity, infrastructure and cloud, manufacturing engineering, systems engineering, mechanical and electrical engineering, embedded systems, and test and automation services to enterprise clients. It operates as an Entreprise de Services du Numérique (ESN) with 16,000+ experts across 21 countries, delivering engagements through on-site consulting, nearshore and offshore Flexshore delivery, and multi-year contracts in demanding sectors such as aerospace, defense, banking, telecommunications, energy, and automotive.

Differentiator

Problem solved

Functional benefit

Brands

• SII Solutions: Specialized entity within the SII Group offering specific technology services.
• Metanext

Quantifiable outcome

• 30-year partnerships with key clients (Thales Group, Schneider Electric)
• +2 more outcomes

Named customers19 records

Segments7 records

Ideal customer profiles4 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability9 records

Feature2 records

Partnerships

Three partnerships are on record, tiered core and minor.

• MetanextcoreStrategic or Co-development Partner · 1 January 1979SII's specialized subsidiary providing cloud, infrastructure and digital workspace solutions. Metanext operates as a distinct entity within the SII group focused on cloud transformation and digital workplace services.
• SII SolutionscoreStrategic or Co-development PartnerSII's specialized entity offering specific solutions and services as part of the group's portfolio. Operates as a subsidiary entity under the SII group umbrella.
• KoalyaminorStrategic or Co-development PartnerKoalya is one of 6 associations selected by the SII Corporate Foundation to develop and deploy digital projects serving the general interest, in direct connection with the Group's values. Collaboration announced in May 2026.

Scale indicators15 records

Recent moves7 records

Expansion highlights7 records

Broad incumbents

• Capgemini: Global IT services and engineering consulting leader with deep European footprint across aerospace, defense, banking, and energy. Directly comparable to SII in target verticals and service lines, but at vastly greater scale, with stronger proprietary platforms and digital engineering offerings.
• Altran (now part of Capgemini Engineering): Pre-acquisition, Altran was a leading European engineering services firm with deep aerospace and automotive expertise; now integrated into Capgemini Engineering. Closest historical pure-play peer to SII's industrial engineering and embedded systems practice.
• Accenture: The world's largest IT and engineering services firm, operating globally across the same verticals SII targets (aerospace, banking, telecoms, energy, healthcare). Comparable in dual IT/engineering positioning, but with much deeper digital, cloud, and AI transformation practices.
• Atos: European-headquartered IT services and digital transformation major with deep exposure to aerospace, defense, banking, and public sector. Comparable in client base and service mix to SII, though currently undergoing significant restructuring and asset divestitures.

Direct peers

• Sopra Steria: Paris-based European IT services group with strong presence in aerospace, defense, banking, and the public sector. Closest French-headquartered peer to SII in terms of vertical mix, Flexshore-style delivery model, and customer overlap (Thales, Airbus, French government).
• Devoteam: Paris-based IT services and consulting firm with strong cloud, cybersecurity, and data/AI practices across Europe and the Middle East. Comparable to SII in scale (roughly 10,000+ employees), vertical exposure, and digital transformation focus.
• Akkodis (formerly Akka Technologies): European engineering and digital services group focused on automotive, aerospace, defense, and energy. Closely comparable to SII in industrial engineering, embedded systems, and aerospace/defense expertise, with similar cross-border delivery model.
• ALTEN: Paris-listed engineering and technology consulting firm specialized in industrial sectors including aerospace, defense, automotive, energy, and life sciences. Highly comparable in engineering/IT dual positioning and aerospace/defense client base, with comparable European delivery footprint.
• CGI Group: Canada-headquartered global IT and engineering services firm with strong European presence through the Logica acquisition. Highly comparable in aerospace/defense systems integration, banking, and government IT services; SII Canada operationally mirrors CGI's hybrid near-/offshore model.

Regional players

• TietoEVRY: Nordic-headquartered IT services and software firm with strong presence in banking, telecoms, energy, and public sector. Comparable to SII in the Nordic and broader European digital engineering footprint, but more software- and product-oriented.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

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

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles18 records

Subsidiaries7 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 SII Technologies