Manage QHSE and ESG of your company!
Transform regulatory requirements into opportunities for innovation and performance.Artificial intelligence.


Dyo, the all-in-one platform for efficient and secure QHSE management

Integrated AI
Incident monitoring, audits, action plans, regulatory compliance: manage all your procedures in one place and with complete peace of mind.support their judgment, speed up their analysis and facilitate their decision-making. Integrated into our solutions
Dyo and Regensy, our AI brings powerful and reliable analysis tools to enrich your field expertise on a daily basis.
Streamline and simplify your QHSE approach by centralizing all your data on a single collaborative tool.
- Automate your QHSE management
- Ensure the performance of your business
Manage and optimize the management of your HSE processes on an online solution and a mobile application.
- Detection of malfunctions in real time.
- Plan all preventive actions.
Guarantee the compliance and performance of your environmental and energy management systems
- Analysis of environmental impacts and dangers.
- Manage all of your waste.
Comply with standards and regulations by viewing only the texts that are relevant to you.
- Informs about updates to regulatory texts
- Record your compliance assessments
Manage the skills and training of your organization, as well as the awareness of your employees on our online application.
- Guarantees the follow-up of employees
- Establish your training plan
Track your periodic checks using a single centralized application
- Guarantees the control of periodic verifications
- Process your interventions
These companies trust us



The numbers that speak for themselves
+15 years
QHSE and CSR expertise
+200,000
active users around the world
Nearly 1.5M
of shares processed per year
We answer your most frequently asked questions.
Can we manage several sites or entities in the same account?
Yes, Dyo manages multi-entity and multi-location. You can centralize data while filtering accesses, indicators, and dashboards by structure.
Can we customize the interface according to our organization?
Yes, Dyo is fully configurable: event types, statuses, users, tree structure... You adapt the tool to your processes without specific development.
Can we test Dyo before engaging?
Yes, a personalized demonstration is offered to discover the QHSE software, its modules and functionalities according to your challenges. A test access can be set up on request.
Is the software designed in France?
Yes, Dyo is developed in France by Symalean, a French SaaS software publisher committed to ethical AI in the service of sustainable performance. Thanks to a translation of the software into 7 languages (French, English, Italian, Italian, German, Spanish, Polish and Dutch), we are deploying our solution internationally.
Why choose our solution?
Intuitive and ergonomic interface
Time-saving and collaborative tool
Ensured compliance with current regulations
Assistance and onboarding dedicated to getting started