IONOS

Europe's largest hosting provider with 30+ years experience and 100% renewable energy

Quick Overview

Company IONOS SE
Category Cloud Computing
Headquarters Montabaur, Germany
EU Presence Yes - Germany
Data Centers Germany, UK, Spain, USA
Green Energy 100% Renewable
GDPR Compliant Yes
ISO Certified Yes (ISO 27001)
Main Features Cloud infrastructure, DevOps tools, web hosting, domains, 100% green
Pricing From €1/month
Best For Businesses seeking reliable European cloud infrastructure with sustainability focus
Replaces AWS, Google Cloud, DigitalOcean, GoDaddy

Detailed Review

Pros and Cons

Pros

  • Europe's largest hosting provider, with three decades of operation
  • 100% renewable energy and ISO 27001 certification
  • Cloud, hosting, domains and digital identity from one vendor
  • Transparent pricing from about €1/month with free tier options
  • German company, EU jurisdiction, data centres in three European countries

Cons

  • Developer experience less focused than UpCloud or Scaleway
  • Very broad product range dilutes the cloud offering
  • Upselling is more present than at developer-first providers
  • Support quality varies by product line

Alternatives to IONOS

Looking for other European cloud computing providers? Here are some alternatives worth considering:

Frequently Asked Questions

Yes, IONOS offers enterprise-grade cloud infrastructure including dedicated servers, private cloud solutions, and managed Kubernetes. Their ISO 27001 certification and German data protection standards make them suitable for businesses with strict compliance requirements. Many large European companies trust IONOS for mission-critical workloads.

IONOS is generally more affordable than AWS, especially for compute resources and storage. Their pricing is also more transparent and predictable, avoiding the complex billing structure that can lead to unexpected AWS bills. For European businesses, the combination of lower costs and GDPR compliance makes IONOS particularly attractive.

Yes, all IONOS data centers run on 100% renewable energy. This commitment is verified through renewable energy certificates and direct power purchase agreements. IONOS has also invested in improving energy efficiency through advanced cooling systems and hardware optimization, reducing overall environmental impact.

Yes, IONOS provides migration tools and professional services to help businesses move from AWS. Their S3-compatible object storage eases data migration, while their cloud architecture supports similar workload patterns. IONOS's professional services team can assist with migration planning and execution.

IONOS operates data centers in Germany (Frankfurt, Berlin, Karlsruhe), the UK (London), Spain (Madrid), and the USA (multiple locations). European customers can choose to keep their data exclusively in European data centers for GDPR compliance purposes.

Yes, IONOS offers managed Kubernetes clusters through their cloud platform. The service includes automatic updates, monitoring, and integration with other IONOS services. It's compatible with standard Kubernetes tools and workflows while removing the operational burden of managing the control plane.

Yes, IONOS is fully GDPR compliant. As a German company operating under German data protection law, they adhere to some of the strictest privacy standards in the world. They offer data processing agreements, and customers can choose to host data exclusively in EU data centers.

IONOS offers 24/7 support via phone, chat, and email in multiple languages. Unlike many cloud providers that rely on documentation alone, IONOS provides direct human support. Enterprise customers receive dedicated account managers and access to professional services for architecture review and implementation assistance.

Who worked on this review

Three people touch every tool page: one writes it, a second edits it, and a third checks the compliance and pricing claims against the vendor's own documentation.

Sebastiaan Smits
Written by

Sebastiaan Smits

Founder & Editor · Netherlands

Selects the tools, writes the reviews, and checks where each company is actually established.

Marta Kowalczyk
Edited by

Marta Kowalczyk

Senior Analyst, Infrastructure & Developer Tools · Warsaw, Poland

Covers hosting, developer tooling and the practical side of moving workloads to European providers.

Ingrid Halvorsen
Fact-checked by

Ingrid Halvorsen

Managing Editor · Oslo, Norway

Runs the review process and decides when a page is ready to publish or needs another pass.

Read our editorial process for how we source, verify and update these pages — and how we keep affiliate income separate from what we recommend.

Go to IONOS