The verdict in three sentences
GDPR-compliant hosting for an institutional website on OVHcloud or Scaleway (datacenters in Roubaix, Gravelines or Paris) costs, in 2026, between 40 and 300 EUR/month depending on traffic and service level. Price is not the point: what matters is the signed DPA, encryption at rest, a guaranteed EU location and a CSP/cookies setup that survives a regulator's review. A cheaper US cloud exposes you to the risk of extra-EU transfer, which neither the Data Privacy Framework nor contractual clauses fully neutralise for a public or para-public body.
The real cost of compliant sovereign hosting
For an institutional site (local authority, group, NGO, agency), hosting is just one line. Compliance adds mandatory items you must budget from day one.
| Item | 2026 range | Note |
|---|---|---|
| Sovereign VPS / instance (OVH, Scaleway) | 40-150 EUR/month | By CPU/RAM and traffic |
| Encrypted off-site backups | 15-50 EUR/month | 30-day retention minimum |
| SSL certificate + auto-renewal | 0-40 EUR/year | Let's Encrypt or EV |
| DPA (data processing agreement) | Included, EU provider | Sign and archive |
| Records of processing + cookie config | 800-2,500 EUR (one-off) | Advisory engagement |
| Monitoring + uptime alerts | 15-60 EUR/month | 24/7 recommended |
| WAF / DDoS protection | Included OVH/Scaleway | Check the tier |
At cruising speed, a mid-sized institutional site runs around 120-250 EUR/month all-in, plus a one-off documentary compliance cost of 1,000 to 2,500 EUR in year one.
US cloud vs European host: the table that decides
The "AWS/Azure is simpler" reflex hits a legal wall. Here is the comparison that matters to a DPO or general secretary.
| Criterion | US cloud (AWS, Azure EU region) | EU host (OVH, Scaleway) |
|---|---|---|
| Physical data location | EU possible, but US parent company | EU, European company |
| Exposure to US Cloud Act | Yes (extraterritorial law) | No |
| GDPR-compliant DPA | Yes, but transfer to document | Yes, native EU |
| Sovereign qualification possible | No (to date) | Yes (dedicated offers) |
| Equivalent monthly cost | 60-350 EUR | 40-300 EUR |
| Public-sector recommendation | Avoid/justify | Recommended |
For a public, para-public or sensitive-data body, the European host is not a comfort choice but a compliance one. Any premium on the US cloud does not buy back the legal and reputational risk.
Mini case study
Marc, general secretary of a regional public agency in Amsterdam, inherits a site hosted on a US cloud "because it was quick." A mock regulator audit flags the missing records of processing, cookies dropped before consent and an undocumented data transfer. Migration to OVH Roubaix: 160 EUR/month hosting + 1,800 EUR documentary compliance (records, DPA, cookie config). Compare the risk: a data-protection sanction for a public body ranges from public warning to heavy fines, plus reputational damage. The full compliance budget, ~3,700 EUR in year one, is trivial against the exposure.
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FAQ
Are OVH and Scaleway enough to be GDPR-compliant?
They provide sovereign infrastructure and the DPA, but compliance also depends on your configuration: cookies, records of processing, legal notices, encryption. The host is a necessary but not sufficient condition.
Is encryption at rest included?
On modern OVH/Scaleway offers, volume encryption is available and often on by default. Confirm it in the contract and document it in your records.
Can I keep a CDN like Cloudflare?
Yes, but pick a configuration with cache and logs inside the EU, and document the sub-processor in your records. Some European CDN offers avoid the debate entirely.
How much does documentary compliance cost?
Between 800 and 2,500 EUR one-off for an institutional site: records of processing, DPA, compliant cookie banner, legal notices and an up-to-date privacy policy.
What is the concrete risk of non-compliance?
For a public body, reputational damage is often heavier than the fine. Regulators favour formal notice first, but repeated breaches expose you to fines and enhanced scrutiny.
Let's scope your project. Tell us your monthly traffic, data sensitivity and deadline; we will price compliant sovereign hosting (40-300 EUR/month) plus documentary compliance. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
