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; Harnest, an open and secure platform;

Serrure web symbolisant la sécurité des données dans Harnest, une plateforme interopérable

Sensitive data, in good hands

A SaaS application, Harnest is based on a sovereign cloud-native architecture, guaranteeing scalability, high availability and resilience.

  • Ascend controls the entire chain — development, hosting and operation — from France, ensuring independence, responsiveness and compliance (RGPD, CNIL).
  • Harnest allows organizations to build a robust ESG infrastructure that complies with regulatory standards, while ensuring security, traceability and total control of their sensitive data.
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Nuage illustrant l’architecture cloud sécurisée, interopérable et automatisée d'Harnest

A cloud platform designed to adapt to your technical requirements


Security, interoperability, and automation are at the heart of Harnest's architecture. Each functional brick has been designed to be easily integrated into your information systems, while guaranteeing the security, traceability and fluidity of data exchanges.

; ➊ Security and traceability;

Harnest integrates mechanisms of data encryption, advanced role-based access management (RBAC), and full traceability of changes via a detailed audit log. These functionalities guarantee the reliability, integrity and compliance of the data used in the platform.

; ➋ Maximum interoperability;

Harnest was designed according to an API-first architecture, guaranteeing seamless integration with existing business tools: ERP, reporting software, BI solutions, etc.

Our documented REST APIs allow real-time data synchronization, and frictionless interconnection with existing digital ecosystems.

; ➌ No-code automations;

To meet the needs for operational flexibility, Harnest is connectable to over 1,000 applications via Make and Zapier. These no-code connectors make it easy to create automation scenarios without specific development, facilitating the flow of data between Harnest and internal systems.

La bibliothèque propriétaire d'Harnest permet d'accélérer l'analyse de double matérialité

An architecture designed for; trust, robustness and agility;

Harnest isn't just a SaaS application: it's a sovereign, modular, and interoperable platform, designed to meet business compliance, security, and integration requirements.

Whether you are looking for strengthen the reliability of your ESG data, to automate your processes and streamline your efforts or to strengthen your impact by more effective management of your ESG actions, Harnest adapts to your business challenges with robustness and simplicity.

👉 Want to know more? Talk to one of our Experts !