Your data. Your keys. Your jurisdiction.
Digital sovereignty: take back control.
Digital sovereignty is your organisation’s power to decide who can reach what matters most, and under whose law. For a growing number of regulated organisations, that’s no longer a principle. It’s a requirement.
Critical data access
Who actually has access to your most critical data?
And what happens if a foreign authority asks for it tomorrow, without telling you?
For Dutch organisations these stopped being theoretical questions. Schrems II, the tightened GDPR, the EU Data Act, and NIS2 through the Cyberbeveiligingswet have raised the legal bar. Meanwhile most of Europe’s cloud runs on three American hyperscalers: scale and capability, yes, but bound by the CLOUD Act and FISA 702, beyond your reach.
We build the bridge between the European compliance you owe and the cloud reality you operate in.
Why choose for digital sovereignty?
Digital sovereignty isn't ideology. It's three outcomes:
Risk reduction
No surprises when a regulator asks about your transfers, sub-processors, or TIA documentation.
Strategic agility
An architecture you can move, scale, and switch, without lock-in as the obstacle.
Trust
With your clients, your regulator, and your own organisation. Demonstrable, auditable, aligned with BIO2, NIS2, and the EU Data Act.
What is digital sovereignty?
The seven pillars of digital sovereignty
Sovereignty sounds abstract, what does it mean exactly? We make it simple; a taxonomy of seven pillars, each with measurable controls your internal audit and external regulator can follow.
- Data residency & classification
know what data sits where, and why. - Jurisdiction risk
which services fall under which law, and what follows from it. - Encryption & key management
Hold-Your-Own-Key on an EU-sovereign HSM, so your keys never leave your jurisdiction. - Vendor & supply-chain dependency
multi-vendor by design, in line with NIS2 Article 21. - Operational control
access by screened EU staff, just-in-time, with BIO2-conform reviews. - Portability & exit
documented, tested, compliant with the EU Data Act. - Audit & certification
C5, SecNumCloud, ISO 27001, and EUCS to come.
Each pillar maps to obligations you already carry — GDPR, BIO2, NIS2/Cbw, DORA — so sovereignty strengthens your existing control framework instead of adding another.
Architecture that holds
From assessment to architecture
Sovereignty lives at the intersection of law, risk, and technology. We work all three in one team. Writing a Transfer Impact Assessment is one thing; turning it into working HYOK encryption, sovereign IAM, and a tested exit is another. We do both.
Strategy
A sovereign-readiness assessment your board can decide on and your CISO can defend.
Architecture
A multi-vendor, sovereign-first design built on European alternatives, with Zero Trust at its core.
Implementation
A phased migration by classification level, HYOK encryption first as the measure that reduces risk immediately.
Assurance
A sovereign SOC, quarterly access reviews, and Transfer Impact Assessments kept current. Compliance isn’t a project. It’s a process, and we keep it running.
We’re vendor independent which means we always recommend the best solution for your situation.
Your digital watchguard for what matters most
Why Heimdallr
Legal and technical in one team.
Writing a Transfer Impact Assessment is one thing. Turning it into working HYOK encryption, sovereign IAM, and a tested exit is another. Most firms do one or the other. We do both, which is why our advice survives contact with production.
Three decades each in the field
Our partners have watched Dutch IT evolve from mainframe to multi-cloud. That depth is why our sovereign-stack recommendations follow your risk profile, never a commission structure — and why the architectures we design still hold ten years from now.
We advise and we build.
Sovereignty fails when the strategy can’t be implemented. The same senior partners who assess your readiness are the ones who run the migration: no hand-off, no reinterpretation between the plan and the live environment.