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Wasabi Alternative

Finding a Wasabi Alternative in the UK: A 2025 Guide to Sovereign S3 Storage

14.09.2025

10

Minutes
Thomas Demoor
CTO Impossible Cloud
Navigate UK data residency and predictable costs by choosing a cloud storage partner built for European sovereignty and full S3 compatibility.

For UK IT leaders, selecting an S3-compatible object storage provider involves more than just API performance. With the UK operating under its own GDPR framework and the EU enforcing new regulations like the Data Act in 2025, data sovereignty has become a primary concern. Many organisations find that while their data resides in UK or UK data centres, their provider's non-UK jurisdiction creates significant compliance risks. This article explores a modern Wasabi alternative for the UK, focusing on achieving digital sovereignty, predictable economics, and robust security without sacrificing the S3 compatibility your workflows depend on.

Key Takeaways

  • A true Wasabi alternative for the UK must be European-owned and operated to eliminate risks from foreign laws like the US CLOUD Act.
  • Predictable costs are achieved by choosing a provider with a zero-egress-fee model, which also aligns with the EU Data Act's goal of preventing vendor lock-in.
  • Advanced S3 compatibility combined with an 'Always-Hot' storage model ensures seamless migration and consistent performance for backups and applications.

Prioritise UK Data Sovereignty and Eliminate CLOUD Act Risks

For UK businesses, data sovereignty is not just a buzzword; it is a core compliance requirement under UK GDPR. Storing data in a UK or UK data centre is only half the solution if the provider is subject to foreign jurisdictions. The US CLOUD Act allows US authorities to demand access to data held by US-controlled companies, regardless of where that data is physically stored. This creates a direct conflict with GDPR principles, where fines for non-compliance can reach 4% of global turnover.

A truly sovereign S3-compatible storage solution must be European-owned and operated, ensuring your data remains exclusively under EU and UK law. Impossible Cloud operates solely from certified European data centres, offering country-level geofencing to guarantee data stays within your chosen region. This design eliminates exposure to the CLOUD Act entirely. This approach provides the legal certainty UK companies need to protect sensitive information and maintain customer trust.

Choosing a UK-based provider is a strategic necessity for long-term data protection and sovereignty. This focus on jurisdictional integrity prepares your business for an increasingly complex regulatory landscape.

Escape Vendor Lock-In with a Predictable, Zero-Egress Fee Model

A major pain point for companies evaluating cloud storage is unpredictable billing, driven by hidden charges. Data egress fees, which are levied when you move data out of a provider's cloud, are a primary cause of vendor lock-in. The upcoming EU Data Act, applicable from September 2025, aims to dismantle these barriers by mandating easier switching between providers. Many providers are only now adjusting their models, often with complex conditions attached.

A better approach is a pricing model that is predictable by design. Impossible Cloud offers a transparent economic model with three key advantages:

  • Zero egress fees, giving you the freedom to move your data anytime.
  • No charges for API calls, ensuring you can run applications without surprise costs.
  • No minimum storage duration, providing complete flexibility for your data lifecycle.

This model delivers predictable margins for MSPs and simplifies budgeting for enterprise IT. By eliminating punitive fees, you can architect a multi-cloud strategy or migrate data for your cloud storage price comparison without financial penalties. This aligns with the EU Data Act's goal of creating a fair and competitive data economy.

Leverage Advanced S3 Compatibility for Seamless Integration

Full S3 API compatibility is essential for any modern object storage in the UK, as it protects existing investments in tools and workflows. Your backup software, applications, and automation scripts should work without modification. Impossible Cloud ensures this continuity by supporting not just basic S3 operations but also advanced capabilities like versioning, lifecycle management, and event notifications. This allows your teams to migrate data and switch endpoints with minimal disruption.

Furthermore, our architecture avoids the complexity and hidden costs of tiered storage. We operate an "Always-Hot" object storage model, where all data is immediately accessible without restore delays or fees. This eliminates the risk of API timeouts and lifecycle policy failures common with tiered systems. Your applications benefit from consistent, predictable latencies, whether you are storing millions of small files or large archives. This operational simplicity strengthens your backup and disaster recovery posture significantly.

Strengthen Ransomware Defences with Immutable Backups

Ransomware attacks increasingly target backup repositories to prevent recovery. A study found that in 94% of ransomware incidents, criminals attempted to compromise backups. To counter this, a robust defence requires immutable storage. Impossible Cloud provides S3 Object Lock, a feature that makes data unchangeable and undeletable for a specified retention period. Once a lock is set, not even an administrator can alter or remove the data until the policy expires.

This creates a powerful safeguard against both external attacks and insider threats. The key benefits include:

  1. WORM Model: Implements a Write-Once-Read-Many (WORM) model, creating a virtual air gap for your data.
  2. Compliance-Ready: Helps meet regulatory requirements for data integrity and retention, such as those in financial services.
  3. Guaranteed Recovery: Ensures that a clean, unencrypted copy of your data is always available for recovery after an attack.
  4. Insider Threat Protection: Protects the version history from being deleted by compromised or malicious internal accounts.

By integrating low-cost S3 storage with immutability, you build a resilient and audit-ready defence. This proactive security posture is essential for maintaining business continuity in 2025.

Prepare for 2025 Regulations Like UK NIS Regulations and the EU Data Act

The regulatory environment for 2025 demands proactive compliance. The UK NIS Regulations, for instance, raises cybersecurity standards for critical sectors, including cloud service providers. It mandates comprehensive risk management, strict incident reporting timelines, and robust supply-chain security. Choosing a provider that bakes these principles into its operations is no longer optional. Impossible Cloud's architecture is built for resilience, eliminating single points of failure and ensuring continuous security processes.

Simultaneously, the EU Data Act champions data portability and interoperability, requiring providers to offer clear exit paths. Our commitment to open standards and full S3 compatibility ensures you can always move your data, including metadata and versions, without lock-in. We provide the tools for a real exit strategy, preserving your long-term freedom. This aligns perfectly with the new regulations designed to empower data owners. This readiness gives your organisation a competitive advantage in a regulated market.

Enable the UK Channel with a Partner-Ready Platform

For Managed Service Providers (MSPs) and resellers in the UK, a reliable sovereign cloud partner is key to growth. Impossible Cloud is partner-ready, offering a platform designed to support the channel. Our predictable pricing model, with zero egress or API fees, allows MSPs to build BaaS and archiving services with stable, defensible margins. This clarity is a significant advantage over the complex billing of other providers.

Our partner console is built for efficiency, featuring multi-tenant management, role-based access control (RBAC) with MFA, and powerful automation via API/CLI. Fast onboarding and dedicated support ensure partners can get to market quickly. To further strengthen our UK presence, we have established a distribution agreement with Northamber plc, expanding local access and support for resellers across the country. This commitment to the UK channel makes it easier than ever to offer sovereign, compliant cloud storage solutions to your clients.

FAQ

Why should I look for a Wasabi alternative in the UK?

UK businesses should consider alternatives to ensure true data sovereignty. While data may be stored locally, a provider's non-EU/UK jurisdiction can expose data to foreign laws like the US CLOUD Act. A UK-based provider like Impossible Cloud eliminates this risk and offers a predictable cost model with no egress fees, aligning with modern compliance and financial needs.

How does Impossible Cloud's pricing compare to other S3 storage providers?

Impossible Cloud offers a transparent and predictable pricing model. We do not charge for egress traffic or API calls, and there are no minimum storage durations. This eliminates the hidden costs common with many other providers, making it easier to budget and ensuring you only pay for the storage you use.

Can I migrate my existing data from another S3 provider easily?

Yes. Impossible Cloud is fully S3 API compatible, which means your existing applications, scripts, and migration tools will work without modification. You can simply update the endpoint and credentials in your tools to begin migrating data seamlessly.

What kind of security features do you offer besides Object Lock?

We provide multi-layer security, including encryption in-transit and at-rest, robust Identity and Access Management (IAM) with Multi-Factor Authentication (MFA) and Role-Based Access Control (RBAC), and an architecture designed to eliminate single points of failure for high availability.

Is your platform suitable for MSPs?

Absolutely. Our platform is designed for partners, featuring a multi-tenant management console, automation via API/CLI, and detailed reporting. The predictable, zero-egress-fee model allows MSPs to build profitable and scalable Backup-as-a-Service (BaaS) and archiving solutions for their clients.

How do you ensure compliance with regulations like GDPR and the EU Data Act?

Our platform is sovereign by design. We operate exclusively in certified European data centres with country-level geofencing to meet GDPR's data residency requirements. Our commitment to S3 compatibility and no egress fees aligns with the EU Data Act's principles of data portability and preventing vendor lock-in.

Would you like more information?

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