Most UK businesses that invest in sovereign cloud hosting make one critical oversight: they store their disaster recovery data with a US-headquartered provider.
Your backup and replicated environment contains the same personal data as your primary systems – and is subject to exactly the same UK GDPR obligations. A sovereign primary environment with a non-sovereign DR environment is not a sovereign architecture.
Disaster Recovery as a Service (DRaaS) from a UK sovereign cloud provider means your failover environment – the infrastructure you depend on when everything else has failed – is governed by UK law, protected from foreign access, and compliant with the same regulatory obligations as your live systems.
Quick Reference: Sovereign DRaaS UK
- The gap: DR data carries the same UK GDPR obligations as live data. US-hosted DR environments carry CLOUD Act exposure.
- Sovereign DRaaS: disaster recovery infrastructure that is UK-incorporated, UK-operated, and subject to UK law only.
- RPO: BlackBox DRaaS delivers 1-second RPO through continuous Veeam replication.
- RTO: point-and-click failover to replicated UK sovereign environment – defined in your service agreement.
- Technology: Veeam Cloud Connect, Fortinet next-generation firewall, advanced DDoS mitigation.
- Compliance: ISO 27001, ISO 22301, CSA STAR Level 2, Cyber Essentials Plus – all certified.
The Sovereign DR Gap: Why It Matters
Businesses that have moved their primary infrastructure to sovereign cloud have done so for specific, well-reasoned compliance and security reasons: UK GDPR obligations, US CLOUD Act risk, FCA outsourcing rules, NHS DSPT requirements. These reasons do not stop applying when data is replicated to a DR environment.
Under UK GDPR, backup copies and replicated environments contain personal data and are subject to the same legal framework as primary systems. The ICO does not distinguish between live data and DR data in its enforcement approach. If your DR provider is a US-incorporated company, the CLOUD Act applies to your backup data just as it applies to your live data.
The practical result: a business that has correctly moved its primary infrastructure to sovereign cloud but stores its DR data with AWS, Azure, or a US-owned backup provider has not fully addressed its compliance obligations. The gap is in the DR environment, not the primary one.

Key takeaway: Sovereign cloud compliance requires a sovereign DR environment. Your disaster recovery data is personal data. It carries the same UK GDPR, NHS DSPT, and FCA obligations as your live systems.
What Sovereign DRaaS Looks Like in Practice
A sovereign DRaaS solution has three defining characteristics that distinguish it from standard cloud DR offerings:
| Characteristic | Sovereign DRaaS | Standard Cloud DR (US Provider) |
|---|---|---|
| Legal jurisdiction | UK law governs DR data and operations | US CLOUD Act applies to DR data on UK servers |
| Data location | DR environment in UK-only data centres | UK region available but not always default |
| Foreign access risk | Not possible without UK court order | US authorities can compel access without UK oversight |
| UK GDPR compliance | Clean – no international transfer in DR replication | Requires ongoing contractual safeguards for DR data |
| NHS DSPT / FCA | DR data within UK regulatory perimeter | Requires additional controls for DR environment |
| Certification | ISO 22301 (business continuity) + ISO 27001 | Varies – ISO 22301 often absent or partial |
| Support in failover | UK-based engineers available 24/7/365 | Global support tiers, ticket-based escalation |
RPO and RTO: The Two Metrics That Define DRaaS Performance
Before selecting any DRaaS provider, two recovery targets must be defined. These determine the technical specification of the solution and the cost.
Recovery Point Objective (RPO)
RPO is the maximum amount of data loss your business can tolerate, measured in time. An RPO of 1 second means at most 1 second of data is lost in a failure event. An RPO of 24 hours means up to a full day’s transactions could be lost.
BlackBox DRaaS delivers a 1-second RPO through continuous Veeam replication. For regulated businesses where any data loss has compliance implications – financial transactions, patient records, legal correspondence – this is the target to hold providers to.
Recovery Time Objective (RTO)
RTO is the maximum amount of downtime your business can tolerate before systems must be restored. A DRaaS solution with fast replication but slow failover does not deliver on its RTO promise. Failover speed, environment readiness, and the quality of UK-based support during the failover event all determine actual RTO.

Key takeaway: Define your RPO and RTO requirements before evaluating providers. A sovereign DRaaS provider should commit to specific RPO and RTO targets in your service agreement – not just describe technical capabilities in marketing materials.
Sovereign DR Requirements by Sector
The regulatory case for sovereign DRaaS is strongest in sectors where DR data carries specific compliance obligations beyond general UK GDPR.
| Sector | DR-Specific Obligation | Sovereign DRaaS Requirement |
|---|---|---|
| Financial services | FCA PS21/3 requires operational resilience including recovery from disruption within impact tolerances | DR environment must be within UK operational control perimeter – a US-hosted DR environment falls outside the FCA perimeter |
| Healthcare and NHS | NHS DSPT requires auditable data lineage including backup and DR copies | DR data must have demonstrable UK data lineage; Cyber Essentials Plus required for many supply chain contracts |
| Legal services | Client data under legal professional privilege must be subject to UK judicial oversight | DR environment must be subject to UK law only; US CLOUD Act access to DR data would breach LPP |
| Public sector | G-Cloud and PSN requirements apply to all copies of data, including DR | Sovereign DR is often a contractual requirement for public sector frameworks |
| Software and SaaS | Compliance obligations flow down from regulated clients | If primary environment is sovereign to satisfy client contracts, DR must be too |
Sovereign DRaaS from BlackBox Hosting
BlackBox Hosting provides managed sovereign DRaaS from Tier 3+ data centres in London. All replication, failover infrastructure, and DR data is stored and processed within the UK, governed exclusively by UK law. BlackBox is UK-incorporated with no US parent company – not subject to the CLOUD Act.
- 1-second RPO through continuous Veeam Cloud Connect replication – minimal data loss for any number of servers.
- Point-and-click failover – no complex manual recovery process when disaster strikes.
- Fortinet next-generation firewalls with deep inspection IPS protecting the DR environment.
- Advanced DDoS mitigation in the DR environment – as protected as your primary.
- UK-only Tier 3+ data centres – DR data stays within UK sovereign jurisdiction.
- Certified to ISO 27001, ISO 22301, CSA STAR Level 2, and Cyber Essentials Plus.
- G-Cloud listed on the Crown Commercial Service Digital Marketplace.
- UK-based support team available 24/7/365 – direct access to engineers when failover is invoked.
- Backup as a Service and Tape as a Service available alongside DRaaS for full data protection coverage.
- 30-day free trial available – test replication and failover with your actual workloads.

“We see businesses that have done the right thing on primary infrastructure but left their DR data sitting with a US provider. That is not a sovereign architecture. If your recovery environment is outside UK law, your compliance case has a hole in it exactly when it is most exposed.”
— Matt Burden, Founder & Managing Director, BlackBox Hosting
See how UK businesses across regulated sectors have made the move – read BlackBox client case studies.
Frequently Asked Questions
What is sovereign DRaaS?
Sovereign DRaaS is disaster recovery as a service delivered from a UK-incorporated, UK-operated provider whose infrastructure and operations are governed entirely by UK law. Unlike standard cloud DR from US providers, sovereign DRaaS ensures your failover environment – and all the data it contains – is not subject to the US CLOUD Act or other foreign access legislation.
Does UK GDPR apply to disaster recovery data?
Yes. Backup copies and replicated DR environments contain personal data and are subject to the same UK GDPR obligations as your primary systems. The ICO treats DR data as personal data – there is no exemption for backup or recovery copies. If your DR provider is a US-incorporated company, the CLOUD Act applies to your DR data just as it applies to your live data.
What is the difference between backup and DRaaS?
Backup creates copies of your data at defined intervals – if a failure occurs, you restore from the most recent backup, which can mean hours or days of downtime and data loss. DRaaS replicates your entire IT environment continuously to a live failover state. BlackBox DRaaS delivers a 1-second RPO and failover in minutes rather than hours.
Why does my DR environment need to be sovereign if my primary infrastructure is?
Because your DR data contains the same personal data as your live data, subject to the same regulations. A sovereign primary environment with a non-sovereign DR environment creates a compliance gap precisely where your business is most vulnerable – during and after a disaster event. Sovereign cloud compliance requires a sovereign DR environment.
What RPO does BlackBox DRaaS deliver?
BlackBox DRaaS delivers a 1-second RPO through continuous Veeam Cloud Connect replication. This means at most 1 second of data is lost in any failure event, regardless of the number of servers being replicated.
Is sovereign DRaaS more expensive than standard cloud DR?
Not necessarily. BlackBox provides sovereign DRaaS at fixed monthly pricing with no egress fees. The managed service model also eliminates the internal resource cost of maintaining your own DR infrastructure. The 30-day free trial allows you to test the solution with your actual workloads before committing to pricing.
Does BlackBox DRaaS meet NHS DSPT requirements?
BlackBox holds Cyber Essentials Plus – required for many NHS supply chain contracts – as well as ISO 27001 and ISO 22301. All DR data is stored in UK-only Tier 3+ data centres with demonstrable UK data lineage. BlackBox is G-Cloud listed on the Crown Commercial Service Digital Marketplace.
Next Steps
If you are evaluating sovereign DRaaS for your business – or reviewing whether your current DR environment meets the same compliance standards as your primary infrastructure – the BlackBox team can walk through your specific requirements and provide a 30-day free trial.
Or speak to the team directly | Call 020 3740 7840



