Managed IT and cybersecurity services provider since 2009
All your technology, in the hands of one team.
We design, run and protect your company’s artificial intelligence, cybersecurity, cloud and workplace. With 24/7 operations, regulatory compliance and a single point of contact who knows your business.
2009
Over 17 years running business IT
24/7
Monitoring, support and response
+10,000
Technology assets under management
International
Based in Madrid, serving clients in Spain, Europe and the Americas
We work with leading vendors and hold certifications in their technologies
- Microsoft
- Fortinet
- Veeam
- AWS
- Azure
- Wazuh
Four areas. One single owner of your IT.
We are an MSP and MSSP: we don’t sell isolated pieces, we take responsibility for the outcome. One team designs, deploys, runs and protects every layer, backed by service level agreements and a dedicated technical lead.
Artificial Intelligence
Useful, secure and governed AI. We take artificial intelligence from pilot to everyday operations, on your own data and with the oversight required by the EU AI Act.
- EU AI Act
- GDPR
- Power Platform
Copilot and assistants
Microsoft 365 Copilot rollout and adoption, with permissions and data made ready before it is switched on.
Process automation
Power Automate flows that remove manual work from approvals, documents and notifications, plus AI agents connected to your systems.
Data and analytics
Power BI dashboards and AI applied to your data, so decisions rest on reliable information.
Governance and responsible use
Usage policies, information classification, control of unsanctioned AI tools and staff training.
Cybersecurity
Our SOC monitors, detects and responds for you around the clock. We protect your network, cloud, email and identities, and prepare you for audits and new legal requirements.
- NIS2
- ENS
- ISO 27001
- ISO 20000
24/7 managed SOC
Monitoring, detection and response on our Wazuh-based SIEM/XDR platform. We separate the noise from real attacks.
Perimeter and network security
Next-generation firewalls, segmentation and Zero Trust remote access built on Fortinet technology.
Endpoint and email
EDR on every device, plus anti-phishing and anti-malware protection for corporate email.
Identity and access
Multi-factor authentication, conditional access and identity management in Microsoft Entra ID.
Cloud and Infrastructure
The foundation your business runs on: cloud, data centre, communications and backup, designed never to stop and operated by our NOC.
- Azure
- AWS
- Veeam
- SD-WAN
Public and hybrid cloud
Migration, operation and cost optimisation on Azure and AWS, while keeping full control of your on-premise workloads.
Backup and recovery
Immutable, off-site backups with Veeam, business continuity plans and regular restore testing.
SD-WAN between sites
Secure connectivity between sites with Secure SD-WAN, monitored 24/7 and delivering real savings on communications.
24/7 NOC
Continuous monitoring of servers, network and services, with proactive fixes before issues reach your users.
Workplace
A modern, secure workplace with support whenever it’s needed. Your people work from anywhere and we take care of the rest.
- Microsoft 365
- Intune
- Teams
Managed Microsoft 365
Tenant administration, licensing, security and information governance across Exchange, SharePoint and Teams.
24/7 support and helpdesk
SLA-based service, ticketing, monthly reports and preventive maintenance included.
Device management
Ready-to-use device provisioning, patching, inventory and centralised policies for laptops and mobiles.
Training and adoption
Hands-on Microsoft 365 training so your staff get the most from the tools you already pay for.
How we work with you
A method proven over more than a decade, with a technical lead by your side at every stage.
1
Assessment
We analyse your infrastructure, your risks and your regulatory obligations.
2
Design
We propose a roadmap with clear priorities, costs and timelines.
3
Deployment
We deploy without disrupting your business and document every change.
4
24/7 operations
We monitor, protect and continuously improve, with regular reporting.
Regulation, turned into an action plan
Cybersecurity requirements no longer affect only large enterprises: they reach their suppliers too. We implement and run the technical controls these frameworks call for, and hand you the evidence auditors and consultants ask for: logs, reports and procedures.
We practise what we preach: Nersis is preparing its own ISO/IEC 27001 and ISO/IEC 20000-1 certification, planned for 2027.
NIS2
Risk management, incident reporting and technical security measures. We get you ready for its transposition into Spanish law.
ENS
Spain’s National Security Framework: we implement the technical measures it requires from public bodies and the companies that serve them.
ISO/IEC 27001
Information security controls aligned with the standard and its ISO/IEC 27002 guidance, with evidence ready for your audit.
ISO/IEC 20000-1
IT service management the way the standard requires: service level agreements, incidents, changes and continual improvement.
GDPR and the AI Act
Data protection and responsible use of artificial intelligence in your organisation.
Results that speak for us
−40%
off the communications bill
Corporación Bermont
A leader in daily newspaper printing, 7 sites. Fortinet Secure SD-WAN in high availability, with the network monitored 24/7.
37 sites
across the Americas and Spain, with the LAN/WAN managed by Nersis
Telxius
Management and operation of the entire firewall and switch network across its offices in the Americas and Spain.
100%
of corporate information in Microsoft 365, with protected identities
VIRIDI Renewable Energy
Migration to Microsoft 365 and identity integration with Microsoft Entra ID, secured with multi-factor authentication and conditional access, plus endpoint control with Microsoft Intune.
Telefónica, Fractalia, Equipo Económico and organisations across industry, services and the public sector also trust us. Ask us for references in your sector
2009The year we started managing our clients’ technology.
Over 17 years as our clients’ IT department
Above all, Nersis is its people: technical professionals specialised in systems, networks, cloud and security, holding certifications from the leading vendors and training continuously every year. A stable team that knows your environment and answers by name.
From Madrid we serve industrial companies, service firms and public administrations across Spain, Europe and the Americas.
People first
A personal approach and a contact who knows your business.
Continuous training
Annual investment in certifying the whole team.
In-house innovation
A research team that tests before it recommends.
Environmental commitment
A 100% paperless company with a Zero or Eco-labelled fleet.
Let’s talk about your technology
Tell us what you need. A consultant will reply within one business day with an initial assessment.
- +34 910 059 049
- info@nersis.es
- Madrid, covering Spain, Europe and the Americas
- Follow us on LinkedIn
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