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Nexo SGSI
Run your ISMS as you operate: ENS, ISO 27001, ISO 42001
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Nexo SGSI - 2026 Pricing, Features, Reviews & Alternatives


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Last updated: September 2026
Nexo SGSI overview
What is Nexo SGSI?
Nexo SGSI loads three security standards cross-mapped in one console: Spain's ENS (73 measures, L0-L5 maturity per control, automatic INES reporting), ISO 27001 (93 Annex A controls) and ISO 42001 for AI management systems (38 controls). The documentation kit (33 templates) adapts to each company; policies are published with version control and digitally accepted by staff; evidence files carry a SHA-256 hash and a chained, verifiable audit trail; the obligations calendar schedules reviews, indicators and training through the year; and the certification auditor gets a read-only account scoped to the ISMS. Runs as SaaS or self-hosted via Docker with no external services or AI keys, just SMTP. Unlimited users within the certified scope. We are a software company: we built it to pass our own certification audit of the three standards at once, which we did with zero non-conformities.
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