Insights

Expansion Momentum SII Group has rapidly expanded through multiple asset acquisitions in aerospace, defense, and manufacturing engineering, and plans to recruit thousands in 2026, signaling strong growth and ongoing demand across engineering services that present cross-sell opportunities to aerospace, defense, and industrial clients.

Sustainability & Recognition EcoVadis Platinum and Silver medals along with Great Place to Work certification underpin a robust ESG and employer-brand narrative, enabling sales conversations with prospects prioritizing responsible suppliers and digital sustainability capabilities.

Aerospace & Defense Focus Strategic acquisitions in Airtificial and Aertec Solutions strengthen capabilities in aerospace and defense, creating a compelling selling point to target large OEMs and defense contractors seeking integrated engineering and digital services.

Digital and ICT Expertise Broad technology stack and ICT focus with experience in cloud, software quality, and data-related tools (AWS Glue, WebDriverIO, Verilog, etc.) offers opportunities to upsell digital transformation, QA automation, and systems modernization to mid-to-large enterprises.

Staffing and Delivery Capacity A large, growing workforce (targeting 1,600 hires in 2026 and over 16,000 through the group) enables scalable delivery for multi-site programs, making SII a strong partner for clients with high-volume IT, engineering, and nearshore/offshore needs.

Groupe SII Tech Stack

Groupe SII uses 8 technology products and services including AWS Glue, Docker Swarm, DMARC, and more. Explore Groupe SII's tech stack below.

  • AWS Glue
    Big Data Processing
  • Docker Swarm
    Containerization
  • DMARC
    Email Security
  • Proofpoint
    Email Security
  • Wonderware
    Miscellaneous
  • Verilog
    Programming Languages
  • WebDriverIO
    Testing And Qa
  • Minitab
    Visualisation Software

Media & News

Groupe SII's Email Address Formats

Groupe SII uses at least 2 format(s):
Groupe SII Email FormatsExamplePercentage
First.Last@sii-group.comJohn.Doe@sii-group.com
99%
Last@sii-group.comDoe@sii-group.com
1%
FLast@sii.frJDoe@sii.fr
54%
First.Last@sii.frJohn.Doe@sii.fr
43%
Last@sii.frDoe@sii.fr
2%
FMiddleLast@sii.frJMichaelDoe@sii.fr
1%

Frequently Asked Questions

What is Groupe SII's phone number?

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You can contact Groupe SII's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Groupe SII's stock symbol?

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Groupe SII is a publicly traded company; the company's stock symbol is SII.

What is Groupe SII's official website and social media links?

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Groupe SII's official website is sii-group.com and has social profiles on LinkedIn.

How much revenue does Groupe SII generate?

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As of July 2026, Groupe SII's annual revenue is estimated to be $1B - $10B.

What is Groupe SII's NAICS code?

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Groupe SII's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Groupe SII have currently?

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As of July 2026, Groupe SII has approximately 5.3K employees across 5 continents, including EuropeSouth AmericaAsia. Key team members include Chief Operating Officer: A. S.President: B. H.Head Of Digital Group: P. B.. Explore Groupe SII's employee directory with LeadIQ.

What industry does Groupe SII belong to?

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Groupe SII operates in the IT Services and IT Consulting industry.

What technology does Groupe SII use?

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Groupe SII's tech stack includes AWS GlueDocker SwarmDMARCProofpointWonderwareVerilogWebDriverIOMinitab.

What is Groupe SII's email format?

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Groupe SII's email format typically follows the pattern of First.Last@sii-group.com. Find more Groupe SII email formats with LeadIQ.

When was Groupe SII founded?

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Groupe SII was founded in 1979.
Groupe SII logo

Groupe SII

IT Services and IT ConsultingÎle-de-France, France5001-10000 Employees

SII is a French group that provides engineering and technology consulting services, alongside digital solutions in ICT. Founded in 1979 by Bernard Huvé, it operates as an IT services and ICT consultancy with a broad international footprint. Its client base includes large organizations across sectors such as aerospace, space and defense, banking and insurance, telecommunications, energy, retail, transport, and manufacturing. Headquartered in Paris in the Île-de-France region, the group maintains a wide international presence. It has been recognized for its corporate culture and sustainability efforts, holding EcoVadis Platinum status and being named a Great Place To Work for the ninth consecutive year, while also appearing on Best Workplaces lists for larger employers.

Section iconCompany Overview

Phone number
Stock Symbol
SII
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1979
Employees
5001-10000

Section iconFunding & Financials

  • $1B - $10B

    Groupe SII's revenue is estimated to be in the range of $1B - $10B

Section iconFunding & Financials

  • $1B - $10B

    Groupe SII's revenue is estimated to be in the range of $1B - $10B

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