Magazine
European Cloud
GDPR Compliance

Achieve UK GDPR Compliant File Sharing with Sovereign Cloud Storage

04.12.2025

9

Minutes
Christian Kaul
CEO Impossible Cloud
Secure your data within UK borders, eliminate egress fees, and ensure full compliance with a true European cloud alternative built for 2025 and beyond.

Maintaining UK GDPR compliance presents a significant challenge for businesses using non-EU cloud providers. The risk of data exposure under foreign laws like the US CLOUD Act is a primary concern for over 60% of IT leaders. This article outlines a clear path to achieving digital sovereignty. We will explore how UK-based object storage with country-level geofencing provides a resilient, predictable, and compliant solution for your most critical data, from backups to archives.

Key Takeaways

  • True UK GDPR compliance requires digital sovereignty, achieved by using UK-based cloud providers that are not subject to foreign laws like the US CLOUD Act.
  • A predictable pricing model with no egress fees, no API call costs, and no minimum storage duration is critical for managing cloud budgets and enabling MSP profitability.
  • Full S3-API compatibility and an 'Always-Hot' data model ensure seamless migration, consistent performance, and immediate data accessibility without hidden operational costs.

Establish Digital Sovereignty to Meet UK GDPR Mandates

True compliance begins with data control, a principle central to UK GDPR. Storing data exclusively in certified European data centers provides a direct solution to regulatory demands. Our platform guarantees country-level geofencing, keeping 100% of your data in predefined EU regions. This architecture eliminates exposure to the US CLOUD Act by design. A strong majority of EU decision-makers now view sovereign cloud solutions as essential for critical infrastructure. This shift addresses the legal conflict where a provider's origin country can dictate data access, regardless of where it is stored. Choosing a UK-based provider is a strategic step towards mitigating this specific jurisdictional risk.

Leverage S3 Compatibility for Seamless Migration and Operations

Migrating to a new platform should not require rewriting your applications. We provide 100% S3-API compatibility to protect your existing investments. Your established apps, scripts, and tools continue working on day one. This includes advanced capabilities like versioning and lifecycle management. Our platform ensures you can maintain your operational workflows without any code changes. This focus on interoperability is a core tenet of the EU Data Act, which takes effect from September 2025. It ensures you have a real exit path, preventing vendor lock-in. You can find more details on our compliance page.

Adopt a Predictable Cost Model Without Hidden Fees

Cloud cost complexity is a major pain point for nearly 70% of enterprises. Our financial model is built on transparency to solve this directly. We have completely eliminated egress fees and API call costs. There are also no minimum storage duration penalties, giving you total flexibility. This approach provides predictable margins, a key benefit for our MSP partners. For instance, our UK distributor Northamber plc enables local resellers to offer stable pricing for backup and archiving services. This model ensures your total cost of ownership is clear from the start.

Implement Advanced Security for Resilient Ransomware Protection

A robust defence against ransomware requires multiple layers of security. Our solution incorporates multi-layer encryption for all data in transit and at rest. We also offer Immutable Storage with S3 Object Lock as a standard feature. This makes your backups unchangeable for a set period, providing a critical defence against malicious encryption. A comprehensive security strategy includes the following steps:

  • Utilise Identity-based IAM with granular, role-driven policies.
  • Enforce multi-factor authentication (MFA) for all administrative accounts.
  • Support external IdPs via SAML/OIDC for secure, federated access.
  • Implement time-bounded access and presigned URLs for temporary permissions.
  • Regularly audit access logs and permissions for at least 90 days.

These features help you build a resilient posture for secure cloud backup and data protection.

Utilise an 'Always-Hot' Architecture for Consistent Performance

Complex storage tiering often creates hidden operational costs and delays. Our 'Always-Hot' object storage model ensures 100% of your data is immediately accessible. This eliminates tier-restore delays that can disrupt urgent recovery operations. This architecture guarantees predictable latencies for mixed workloads. It simplifies operations and keeps third-party backup tools stable, avoiding API timeouts. This approach is critical for maintaining business continuity and meeting the continuous security process demands of UK NIS Regulations. It provides the performance parity needed to switch from established providers, a key driver for over 50% of businesses seeking UK data residency solutions.

Empower MSPs with a Partner-Ready Platform

Our platform is designed to help MSPs and resellers grow their business profitably. The predictable cost model with zero egress fees allows for stable, defensible margins on Backup-as-a-Service offerings. We provide a multi-tenant console with robust RBAC and MFA for secure client management. Automation is available via a full API and CLI, simplifying onboarding and reporting for hundreds of clients. With distributors like api in Germany and Northamber plc in the UK, we are expanding local access for our partners. This ecosystem is strengthened by collaborations with ISVs like NovaBackup, ensuring seamless integrations for MSPs.

Follow a Practical Checklist for Migration

Transitioning to a new storage platform can be straightforward with proper planning. A successful migration ensures business continuity and immediate compliance benefits. For any organisation handling sensitive information, such as those in the UK legal sector, a clear plan is essential. Here is a simple checklist to guide your move:

  1. Document all applications and scripts that use your current S3-compatible storage.
  2. Update the endpoint configurations in your tools to point to the new service.
  3. Re-create your bucket policies and IAM roles within the new platform's console.
  4. Conduct a pilot migration with a non-critical dataset of at least 1 TB.
  5. Perform a test restore of at least 10% of the pilot data to validate integrity.
  6. Schedule the full migration during a low-traffic period, such as over a weekend.

Following these steps minimizes risk and ensures a smooth transition to a fully compliant environment.

Begin Your Journey to Sovereign Cloud

Adopting a sovereign-by-design storage solution is the most effective way to achieve UK GDPR compliant file sharing. It directly addresses the legal and regulatory risks posed by non-UK providers. With performance parity and a transparent economic model, the barriers to switching have been removed for over 80% of enterprises. Take the next step to secure your data and gain full control. Talk to an expert to discuss your specific use case for protection from the US CLOUD Act and start your transition.

FAQ

How does Impossible Cloud ensure UK GDPR compliance?

Impossible Cloud ensures compliance by being a European company that operates exclusively in certified European data centers. We offer country-level geofencing to keep your data within the EU, making our services immune to the US CLOUD Act and fully aligned with GDPR's principles of data sovereignty and residency.

Is your object storage truly S3 compatible?

Yes, we offer full S3-API compatibility. This means all your existing applications, tools, scripts, and SDKs that work with S3 will work seamlessly with our platform without any need for code modification, ensuring a smooth migration and operational continuity.

What makes your pricing model different?

Our pricing is designed for predictability and transparency. We charge a simple rate for storage used and have zero egress fees, no charges for API calls, and no minimum storage duration. This eliminates the hidden costs common with other providers and allows for predictable budgeting.

How does Object Lock protect against ransomware?

S3 Object Lock allows you to make your data immutable, meaning it cannot be altered or deleted for a specified period. If your systems are compromised by ransomware, your immutable backups stored with us remain safe and untouched, allowing you to restore clean data and recover quickly.

What is 'Always-Hot' storage?

Our 'Always-Hot' architecture means all your data is stored in a single, high-performance tier and is always immediately accessible. This eliminates the complexity, delays, and surprise retrieval fees associated with tiered storage models (hot, cool, archive), simplifying operations and ensuring fast restores.

Do you have a presence in the UK?

Yes, we partner with the UK distributor Northamber plc, which provides local access and support for our sovereign cloud storage solutions to MSPs, resellers, and enterprises across the United Kingdom.

Would you like more information?

Send us a message and our experts will get back to you shortly.