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Private company

Alten

Logo: ALTEN, Public domain, via Wikimedia Commons4

ALTEN is a French multinational engineering and technology services consulting company founded in 1988, it has offices in 30 countries. ALTEN's stock is listed in compartment B of the Euronext Paris market (ISIN FR0000071946); it is part of the SBF 120, the IT CAC 50 index and MIDCAP 100, and is eligible for the Deferred Settlement Service (SRD). In 2025, ALTEN had 57,400 employees and reported a revenue of 4.10 Bn euros.2 It was founded by Simon Azoulay.1 It is headquartered in Boulogne-Billancourt.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1988Founded1
  • IndustryIT service, IT systems and software consulting, engineering1
  • HeadquartersBoulogne-Billancourt1
  • Founded inFrance1
  • Websitewww.alten.com
  • Legal formpublic limited company with a board of directors (n.o.s.)1
  • LEI969500Y7G9TY7Y24GN073
  • StatusActive3
  • LEI statusIssued and current3
  • Registered address221B BOULEVARD JEAN JAURES, 92100 Boulogne-Billancourt, France3
  • Registered withNational Institute of Statistics and Economic Studies, 3486074173

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ALTEN is a French multinational engineering and technology services consulting company founded in 1988, it has offices in 30 countries. ALTEN's stock is listed in compartment B of the Euronext Paris market (ISIN FR0000071946); it is part of the SBF 120, the IT CAC 50 index and MIDCAP 100, and is eligible for the Deferred Settlement Service (SRD).2

Corporate structure

Alten sits at the top of its group. 13 entities, 5 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Alten Boulogne-Billancourt, France
    • ALTEN CALSOFT LABS (INDIA) PRIVATE LIMITED Subsidiary · Bangalore, India
      • VOLANSYS TECHNOLOGIES PRIVATE LIMITED Subsidiary · 100% · Bangalore, India
    • ALTEN CASH MANAGEMENT ACM Subsidiary · Boulogne-Billancourt, France
    • ALTEN INDIA PRIVATE LIMITED Subsidiary · Bangalore, India
      • EXPERT GLOBAL SOLUTIONS PRIVATE LIMITED Subsidiary · 93.89% · Bangalore, India
    • ALTEN ITALIA S.P.A. Subsidiary · Milano, Italy
    • ALTEN POLSKA SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA (ALTEN POLSKA SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ) Subsidiary · Kraków, Poland
    • CORUS SYSTEMS & CONSULTING GROUP SL Subsidiary · Madrid, Spain
    • PRIMARIS SERVICES SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA (PRIMARIS SERVICES SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ) Subsidiary · Warszawa, Poland
    • SDG CONSULTING ESPANA, S.A. (SDG CONSULTING ESPAÑA, S.A.) Subsidiary · Barcelona, Spain
    • SDG CONSULTING ITALIA S.P.A. Subsidiary · Milano, Italy
    • Worldgrid France SAS Subsidiary · Bezons, France

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0). Each entity in the chart links to its source.

The story

Founded by Simon Azoulay in 1988, in France.1

ALTEN was founded in 1988 by Simon Azoulay, Laurent Schwarz and Thierry Woog; three engineers from major schools.

Development of its establishment in France and expansion of its activities between 1988 and 1997, then IPO in 1999 on the second market of the Paris Stock Exchange. The international development started in 2000 represented 20% of turnover in 2003. Expansion towards Asia and the United States in 2012. The Group has since pursued a strategy of targeted business acquisitions in line with its core business in Europe, particularly in 2016. Thus, in 2019, the international share represented 56.8% of Group revenue.

From Wikipedia’s article on ALTEN, shared under CC BY-SA 4.0.5

Leadership

Who has led Alten, and when. Pick a name to see everywhere that person has worked.

Products and brands

Engineering and R&D outsourcing

IT & network services

Consulting, expertise and customer support

From Wikipedia’s article on ALTEN, shared under CC BY-SA 4.0.5

Acquisitions

In 2011 the company acquired Calsoft Labs (India and USA), Bardenheuer (Germany), Enea Consulting (Sweden).

In 2014 the company acquired cPrime Inc.(USA)

In 2015 the company acquired EclipseIT BV (The Netherlands)

In 2019 the company acquired Quick Release (UK)

Read the full text

In 2020, the company acquired ITSector (Portugal), expanding into IT consultancy for financial institutions.

In 2022 the company acquired Volansys (India and USA) and AP Solutions (Korea)

In 2023 the company acquired Ayesa Air Control (Spain and Germany)

From Wikipedia’s article on ALTEN, shared under CC BY-SA 4.0.5

Timeline

  1. 1988Founded Founded in France1

Sources

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