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Two or three countries, side by side, one row per question. Pick up to 3.
LuxembourgChecked 18 August 2026
Depends on your industryWork: HighEnforcement: Active
- In one paragraph
- For most businesses, data can leave Luxembourg on the same terms as anywhere else in the European Union: you need the right paperwork, not a local data centre. Finance is the exception, and finance is most of the economy here. Banks and insurers are bound by a secrecy duty that is a crime to break, and a bank that runs its accounts abroad must still keep a daily backup inside Europe.
- The catch
- The relaxed general answer stops the moment you touch banking, insurance or investment funds. There, three things bite: breaking client secrecy is a criminal offence, not a fine; you may only send client information to a supplier abroad if the client has accepted the outsourcing, the type of information and the country the supplier sits in; and if a bank's accounting system is hosted outside Luxembourg it must still hold a full end-of-day backup on premises inside the European Economic Area. Telecoms firms face a separate 6-month duty to keep call and location records.
- Does this apply to me?
- Yes. If you sell to people in Luxembourg or watch what they do online, the European privacy rules reach you even with no office here. There is no revenue or headcount threshold to hide under. A company with no base anywhere in Europe must appoint a representative in Europe, though it does not have to be in Luxembourg. The extra Luxembourg-only duties in the national law mostly apply to organisations that are actually set up here.High confidence
- Can the data leave the country?
- In general, yes, with paperwork. Luxembourg has no national law telling ordinary companies to keep data in the country, and European law actually forbids member states from forcing non-personal data to stay put except on public-security grounds. But this is a banking and fund centre, and the finance rules change the answer. A bank or insurer may only hand client information to a supplier abroad if the client has been told and has accepted which country that supplier is in. And a bank whose accounting system sits outside Luxembourg must still keep a full daily backup somewhere inside the European Economic Area.High confidence
- What do I have to do to send it abroad?
- The model is a European approved-list. Sending personal data outside Europe is barred unless the destination is on the European Commission's approved list, or you put an approved safeguard in place first. The list is real and populated. Luxembourg adds no national permit and the regulator does not pre-approve ordinary transfers. In finance, though, you also need the client's acceptance of the destination country before their information moves.High confidence
- Who enforces this — and are they actually working?
- Yes, the regulators here really work. The privacy regulator is the National Commission for Data Protection, known as the CNPD. It is staffed, it publishes decisions, and in 2025 it handled 846 complaints, 425 breach reports and 59 investigations. It issued the largest privacy fine ever recorded in Europe, against Amazon in 2021. The financial regulator and the insurance regulator are heavyweight supervisors in their own right, and since May 2026 the telecoms regulator also runs the national cybersecurity regime.High confidence
- How long must I keep it, and when must I delete it?
- There is a floor and a ceiling, and they collide often. You must keep anti-money-laundering records for 5 years after the relationship ends, patient files for at least 10 years after care ends, and telephone and internet connection records for 6 months. In the other direction, European privacy law says delete personal data once you no longer need it, and the anti-money-laundering law says delete it when the 5 years are up unless another law makes you keep it longer. That last sentence is how Luxembourg resolves the clash: the longest specific legal duty wins, and after that you must actually erase.High confidence
- What happens when something goes wrong?
- Count four clocks, because they overlap and they start at different moments. Privacy breach: 72 hours to tell the privacy regulator. Telephone and internet providers: 24 hours to report a personal data breach. Cybersecurity incidents at important companies: an early warning in 24 hours, a fuller report in 72 hours, and a final report a month later. Banks and insurers have their own European reporting on top. The trap is that one incident can start all of them at once, on different teams, with different forms.High confidence
- What's the trap?
- Five things that are not in any summary. (1) Breaking bank or insurance client secrecy is a crime, not a fine, and it survives the end of the job. (2) Your works council can freeze an employee-monitoring project: staff have 15 days to ask the privacy regulator for an opinion, and that request suspends the project for a month. (3) Research projects carry a fixed list of 12 extra safeguards you must apply or justify skipping. (4) Using genetic data for employment or insurance purposes is banned outright. (5) The privacy regulator cannot fine the State or a commune, so a public body has far less to lose than you do.High confidence
- What's about to change?
- Two dated changes and several switches already in someone's hand. The dated ones: from 12 January 2027 cloud providers must let customers move away with no exit or transfer fees at all, and Luxembourg's new cybersecurity law, in force since 10 May 2026, is still being filled in with guidance and templates. The switches to watch: the European approval of United States transfers is under formal challenge, and the 6-month duty on telecoms firms to keep call records sits uneasily with European court rulings and could be struck at any time.Medium confidence
- Hardest industry wall
- Finance — Circulaire CSSF 22/806 relative aux arrangements d'externalisation, telle que modifiee par la circulaire CSSF 25/883
NetherlandsChecked 18 August 2026
Depends on your industryWork: HighEnforcement: Aggressive
- In one paragraph
- For most businesses the Netherlands follows the ordinary European rules: data may leave the country once you have the right paperwork in place. Two areas are much harder. Online gambling firms must keep their regulator-facing database physically in the Netherlands, and central government now has to keep all its information inside Europe. The Dutch privacy regulator hands out some of the largest transfer fines in Europe.
- The catch
- The relaxed headline stops being true the moment you touch online gambling, central government work, health records or a regulated financial firm. An online gambling licence forces one database onto Dutch soil. Central government contracts now bar storage outside Europe. And a brand-new cybersecurity law switched on three days ago, on 15 August 2026, with a 24-hour incident alarm most companies have not built yet.
- Does this apply to me?
- Yes, it reaches you with no Dutch office. Europe's privacy law applies to any organisation anywhere that offers goods or services to people in the Netherlands or watches what they do online, and there is no size or revenue floor. Separately, the new Dutch cybersecurity law says that if you are a cloud provider, data centre, managed service provider, online marketplace, search engine or social network based outside Europe but selling into the Netherlands, you must appoint a representative inside the European Union.High confidence
- Can the data leave the country?
- In general yes, with paperwork, because the Netherlands is an EU country and European rules govern transfers. But three Dutch walls override that. An online gambling licence holder must physically place its regulator-facing control database in the Netherlands. Central government must keep all its information inside the European Economic Area plus Switzerland. And a healthcare provider, bank or insurer can put data abroad only if the supervisor can still see and audit it.High confidence
- What do I have to do to send it abroad?
- The model is an allowlist run at European level, not a Dutch one. You may send personal data outside Europe only if the destination has been officially approved, or you sign the standard European contract, or you use approved group-wide rules. The approved list is full and active. The Netherlands adds no national approval step and keeps no blocklist of its own.High confidence
- Who enforces this — and are they actually working?
- The Dutch Data Protection Authority, and it is very much operational and very much willing to fine. It has a full three-person board, and a new chair, Geert Potjewijd, took office on 1 August 2026. It has issued two of the largest cross-border transfer fines in Europe: 290 million euros against Uber in 2024 and 100 million euros against a taxi app in May 2026. Cybersecurity is enforced separately, by sector ministries and inspectorates, and that machinery is only now being assembled.High confidence
- How long must I keep it, and when must I delete it?
- There is a firm floor and a soft ceiling. You must keep your books and tax records for seven years, and money-laundering records for five years after the relationship or transaction ends. Against that, privacy law says you must delete personal data once you no longer need it, and there is no fixed number. When the two collide, the legal duty to keep wins for as long as it lasts, and deletion follows immediately after.High confidence
- What happens when something goes wrong?
- Count three clocks, not one. For a personal data breach you have 72 hours to tell the Dutch Data Protection Authority. If you are covered by the new cybersecurity law that started on 15 August 2026, you must raise an early warning within 24 hours, file a full report within 72 hours, and deliver a final report within one month. Telecom operators have a fourth clock and must tell the privacy regulator without delay.High confidence
- What's the trap?
- Five things that are not in the summary. Your works council can block an HR or monitoring system. Breaking a professional secrecy duty is a crime, not a fine. The telecom retention duty printed in the law cannot be enforced. Children need a parent's permission until they turn sixteen. And the new cybersecurity law started on 15 August 2026 with a phased exception for universities that most checklists miss.High confidence
- What's about to change?
- Three dated changes. On 1 September 2026 an amendment act tidies up the Dutch privacy law and adds new rules for handing over health files, but one part of it has deliberately been left switched off. Registration and incident duties under the cybersecurity law that started on 15 August 2026 are being phased in now. And by 12 January 2027 every cloud provider must drop switching and data export charges to zero across Europe.High confidence
- Hardest industry wall
- Online gaming — Besluit kansspelen op afstand, artikel 4.42, tweede lid
- Government — Herziening rijksbreed cloudbeleid 2026