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Our subsidiaries

Since 2005, as an engineering consultancy for industry and services, we at Abylsen have been exploring new fields of innovation.

Today, our 2,400 employees are innovating all across Europe thanks to our 40 bases and 7 specialised subsidiaries, acting as dynamic drivers of local change and economic development.

Life sciences

Groupe Belgatech

The Belgatech Group is dedicated to engineering services in the energy, transport and industrial processes sector. He joined the Abylsen Group in 2018.

The Belgatech Group’s fields

  • IT – Telecoms
  • Aeronautics
  • Energy
  • Transport and Rail
  • Life Sciences
  • Automotive
  • Industry

Pharmacos Group

Your partner in product development and process industrialisation in the Life Sciences sector. The Pharmacos Group joined Abylsen in 2019.

Pharmacos activities

  • Engineering
  • Production monitoring
  • Commissioning and Qualification
  • Validation of cleaning processes
  • Operational quality
  • Industrialisation
  • Increasing reliability

pi Life-Sciences

Depuis 2004, pi Life-Sciences accompagne les plus grands clients du secteur Pharmaceutique dans leurs enjeux de Recherche & Développement, d’assurance qualité, de contrôle qualité, d’affaires réglementaires et de validation.

Life-Sciences pi activities

  • Qualification and Validation
  • CSV & Data Integrity
  • Clinical Research
  • Manufacturing and Procurement

IT - télécoms

Mykelson Group

Mykelson Consulting is a business transformation and project management consultancy.

Mykelson Consulting

  • Strategy & Organisation
  • Digital transformation of companies
  • Project management
  • AGILE transition


Eastelson specialises in software development and IT project roll-out, particularly in the banking, finance and insurance sectors.


ETA (Études de Travaux d’Armor) specialises in energy transmission network and telecoms infrastructure studies.

ETA activities

  • Fibre Network Engineering
  • Radio Site Engineering
  • Structural Studies and Calculations
  • Geotechnical Engineering
  • Studies of energy transmission network links
  • Topography
  • Mapping / GIS
  • 3D acquisition solutions



Greenworking supports more than half of all CAC 40 companies and major administrations with their key managerial and social innovation projects. Greenworking joins the Abylsen Group in 2021.

Greenworking activities

  • Change Management
  • Support for the implementation of new working methods (teleworking, flexoffice, homeshoring, etc.)
  • Managerial transformation
  • Staff surveys and feedback
  • Social innovation and CSR
  • Training / eLearning courses