For UK businesses with strict data-control needs, where your AI data lives is often the deciding factor. Here’s a 2026 comparison of AI platforms by UK/EU data residency. (dgm implements osFoundry as an independent partner; we’ll be honest about the field.)
The legal backdrop
UK GDPR governs personal data wherever it’s processed, and the UK has an EU adequacy relationship — so UK–EU data flows are generally straightforward. That means EU hosting is workable for most UK data-residency needs; for the strictest control, self-hosting in a UK/EU region keeps data in your own infrastructure. (See our data residency guide.)
The options by approach
| Approach | Platforms |
|---|---|
| Self-host (your own cloud) | osFoundry, n8n, CrewAI, LangChain |
| European / EU-hosted | Mistral (European), Dust (EU), n8n cloud (Frankfurt) |
| EU region from US provider | Most major platforms (verify; may default to US) |
| Private/on-prem (enterprise) | Cohere private deploy, IBM watsonx on-prem |
Self-hosting: the most direct control
Self-hosting runs the AI in infrastructure you control, in a location you choose — the most direct answer to data residency. osFoundry self-hosts in your own AWS, GCP or Azure with your own keys; open-source options (n8n, CrewAI, LangChain) run on your infrastructure. The trade-off is operational responsibility; self-hosting in your own cloud balances control with convenience.
EU regions: the pragmatic managed option
If you don’t want to self-host, an EU region from a managed provider is the lighter-touch route — workable given UK–EU adequacy. Check carefully: many US platforms default to US storage and offer EU regions only on certain tiers.
Where osFoundry fits
osFoundry is transparent here: it publishes US/EU/JP regions (no dedicated UK region). For UK-sensitive work, that means an EU region or self-hosting in your own UK/EU cloud. It also runs local inference for the most sensitive cases. We’d rather state the no-UK-region point plainly than imply otherwise.
How to choose
Decide whether you need self-hosting (strictest) or an EU region (pragmatic), shortlist accordingly, and assess transfers as part of a DPIA. (See self-hosted AI for UK businesses.)
dgm is an independent integration partner with zero integrations so far, implementing osFoundry with UK/EU data control and a data assessment during scoping. To plan data-residency-aware AI, book a consultation with dgm. Not legal advice; verify current vendor options.