is a company involved in engineering, technical assistance, consultancy and energy transition in several African countries and in France.
Our expertise, experience and capacity for innovation are spread across several business sectors:

  • Buildings & Infrastructure
  • Energy
  • Water & Environment
  • Industry: Oil & Gas, Pharmaceuticals, Chemicals, Food & Beverages

GROUPE GILISSis an international, multidisciplinary consultancy, engineering and project management group, offering a comprehensive range of skills, from design studies to commissioning.

In a context of constant innovation and equipment modernisation, GILISS supports its customers in various industrial, building and infrastructure sectors, as well as in environmental initiatives, both in France and internationally.
GILISS offers a wide range of products that comply with current health, environmental and regulatory requirements.


Our team shares common values that we put into practice every day with our customers.

  • Team spirit
  • Know-how
  • Dynamism
  • Cost and deadline optimisation

We're always on the lookout for new talent