Extra-financial ERP for large companies
Compliance, consolidation, sovereignty
You need to produce compliant, reliable and auditable extra-financial reports — in CSRD, ISSB, GRI or other frameworks — while coordinating multi-entity, multi-country and multilingual teams.
Harnest is the platform built to meet this level of demand, with the security and sovereignty your strategic data requires.
A platform built for the complexity of large groups
Harnest structures your entire extra-financial approach — from double materiality assessment to report publication — in a collaborative, traceable environment that is interoperable with your existing systems. Multi-language, multi-entity, multi-framework: Harnest adapts to the complexity of your organisation.
Your key challenges as a large company or group:
- CSRD compliance — produce a structured, auditable ESRS report compliant from the first reporting exercise
- Multi-entity consolidation — coordinate data collection across subsidiaries, business units and departments, in France and internationally
- Interoperability — connect Harnest to your ERP, CRM and BI tools via API
- Sovereignty — host your data on a sovereign cloud with an AI that does not expose your sensitive information
What Harnest brings to large companies and groups
From double materiality assessment to the final report, Harnest covers the entire extra-financial cycle for complex organisations — with an architecture designed for collaboration, traceability and regulatory compliance.
Multi-entity and multi-country consolidation
Model your group structure, delegate data collection by subsidiary or business unit, automatically consolidate data and produce a coherent group-level view — in multiple languages if needed.
CSRD and multi-framework compliance
Native ESRS-aligned structure, collaborative drafting with Companion, validation workflow, exportable audit trail — and your data simultaneously feeds CSRD, ISSB, GRI and all your other active frameworks.
Security, sovereignty and interoperability
Sovereign cloud hosting, sovereign Mistral AI, ISO 27001 certification, open API to connect your ERP, CRM and BI tools. Your data stays under your control.
Harnest is particularly suited to international groups that need to align their non-European subsidiaries with the framework. ISSB, while producing a CSRD reporting at the group level.
Ready to industrialise your extra-financial reporting?
Harnest supports large companies and groups at every stage of their extra-financial maturity — from the first materiality assessment to consolidated multi-framework reporting. A sovereign, scalable platform built to last.