How many employees work at SII?

SII SA has 15,915 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -1.1%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About SII

The SII group is an engineering and technology consulting company (ICT) and a digital services company (ESN) created by Bernard Huvé, an engineer by training. We support our clients, major accounts, SMEs, start-ups and operate in various sectors: Aeronautics, Defense, Telecoms and Media, Banking and Insurance, Services, Electronics, Energy, Tourism and Transport, Automotive, Health, Commerce and Distribution, Security. Our hybrid positioning around Technology Consulting and Digital Services allows us to support large groups from all economic sectors in the integration of new technologies and innovation management methods. Our mission: to develop information systems and contribute to the design and development of our customers’ future products or services! Carriers of the #fungenieur movement, we are proud to promote our profession of “world changer” where the heroes are the engineers. Well-being and fulfillment at work are at the heart of our corporate strategy and our concerns, labeled Great Place To Work for the sixth year in a row, we come this year in th place among the largest companies audited. The SII Group is also a company with the Happy Candidates and Meilleur Employeur Capital label. With employees and locations, the proximity of management is an important internal issue. And we understood that well. Each SII agency manages its employees with great autonomy, which allows for better monitoring and short hierarchical cycles. This corresponds to our way of working, in the Agile method: short cycles, rapid responses, access to simplified management and good responsiveness. As a company with strong human values, we are signatories of the Diversity Charter and are a disability-friendly company.

As of September 2025

SII
workforce metrics

Headcount

15.9k

Avg. Salary

$55.9k

Tenure

3.9yr

Growth Rate

-1.1%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of SII annual worldwide employee count from 2023 to 2025.

  • SII total number of employees in 2025 was 16,037.332, a 1.1% decline from 2024.
  • SII total number of employees in 2024 was 15,665.333, a 2.7% decline from 2023.
  • SII total number of employees in 2023 was 16,049.63, a 1.7% increase from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of SII annual active job postings from 2023 to 2025.

  • SII active job postings in 2025 was 9,506, a 71.4% increase from 2024.
  • SII active job postings in 2024 was 29,585, a 126.0% increase from 2023.
  • SII active job postings in 2023 was 6,718, a 15.8% increase from 2022.

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Employee Sentiment

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