11/06/2026
NF S61-932: An amendment that redefines the oversight of actuated devices of safety
DEF at a glance
Tangible results to ensure your safety
Behind every installation, there is one key requirement: ensuring the continuity of your operations and the safety of your occupants.
DEF draws on proven field expertise and a network of experts to design reliable solutions that are compliant and tailored to each environment.
These figures reflect a reality: that of a partner capable of stepping in at every stage, maintaining the same high standards throughout.
- +60
- Expert companies are part of the DEF ecosystem
- +2 500
- Committed employees
- +65 years
- of experience in fire safety
- 100 %
- Support throughout the entire lifecycle
Our services
DEF supports you at every stage of your fire safety
We offer services tailored to your needs, to support you effectively and guarantee quality results.
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Audit and support
1Analysis of your installations and requirements to identify areas for improvement. We support you in defining your needs and implementing appropriate solutions.
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Engineering and commissioning
2Design and roll-out of bespoke technical solutions. We handle commissioning and verify that your equipment operates correctly.
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Maintenance
3Predictive, preventive and corrective maintenance to guarantee the performance and reliability of your installations. Rapid response throughout France to ensure an optimal level of safety and extend equipment life.
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Modernisation and training
4Modernisation and upgrades of your equipment for optimal financial management of your system. Training for your teams to use the installations efficiently.
A network of experts near you
With more than 60 companies and a nationwide presence, DEF guarantees you local, responsive support tailored to your specific needs.
- Agence DEF Alsace
- Agence DEF Aquitaine
- Agence DEF Basse Normandie
- Agence DEF Centre Poitou
- Agence DEF Champagne
- Agence DEF Comptes Spécifiques
- Agence DEF Côte d’Azur
- Agence DEF Data Air Défense
- Agence DEF Dauphine Savoie
- Agence DEF DOI
- Agence DEF Énergie et Environnement
- Agence DEF Essonne
- Agence DEF Haute Normandie
- Agence DEF Hauts-de-Seine
- Agence DEF Languedoc
- Agence DEF Lorraine
- Agence DEF Marine
- Agence DEF Midi-Pyrénées
- Agence DEF Nord
- Agence DEF Océan Indien
- Agence DEF Orléans
- Agence DEF Ouest
- Agence DEF Paris
- Agence DEF Picardie
- Agence DEF Poitiers
- Agence DEF Provence
- Agence DEF Pyrénées
- Agence DEF Quimper
- Agence DEF RAIL
- Agence DEF Rennes
- Agence DEF Rhône-Alpes
- Agence DEF Saintes
- Agence DEF Sud et Est
- Agence DEF Sureté
- Agence DEF Val d’Oise
- Agence DEF Yvelines
Case Studies
Case studies
Find out how our customers are improving their fire safety with solutions tailored to their specific needs. Lessons learned, concrete results, and best practices: projects carried out in the field to protect people, property, and business continuity.
Discover our complete product line
