Vietnam · Certification
ISO/IEC 27701 certification in Vietnam
Achieve ISO 27701 certification in Vietnam with Sterling: 8,100+ client engagements in 60+ countries, 20+ years.
- Accredited certification
- Ho Chi Minh City office team
- Effivity software included
- Academy training included
Who asks for ISO 27701 in Vietnam
Clients include
ISO 27701 certification in Vietnam at a glance
Two Vietnamese instruments bear on ISO/IEC 27701. Not one of them names it. So why do buyers in Vietnam keep asking for the certificate?
Since the Law on Personal Data Protection No. 91/2025/QH15 took effect on 1 January 2026, controllers and processors handling personal data of Vietnamese citizens — including foreign organisations directly involved in that processing — answer to a specialised personal data protection agency within the Ministry of Public Security. The law requires impact assessments for processing and for cross-border transfers, and prompt notification of qualifying breaches to that agency. ISO/IEC 27701 does not replace those duties, but it gives a privacy information management system built on ISO/IEC 27001 in which records of processing, impact assessments, transfer controls and breach handling are run and audited. Certification is issued by a certification body accredited for the standard; BoA does not list privacy information management separately among its IAF MLA programmes, so confirm the body's accreditation. Sterling's Ho Chi Minh City office maps the data flows and builds the controls, with Effivity and Sterling Academy included. Questions follow.
Who needs ISO 27701 in Vietnam, and what happens without it
In Vietnam the question rarely comes from a law. It comes from the buyer, the regulator or the partner that wants proof before it signs. These are the organisations that get asked.
- Controllers and processors of personal data of Vietnamese citizensThe Law on Personal Data Protection sets impact assessment, transfer and breach duties.
- Foreign organisations directly processing Vietnamese personal dataWithin the law's scope.
- Personal data processing service providersNot covered by the small-enterprise option and serve controllers who need assurance.
- Banks and payment intermediaries handling customer informationCircular 09/2020 contract rules for systems processing customer personal information.
Not sure which of these applies to you?Answer a short set of questions and your readiness report arrives by e-mail.
Take the ISO/IEC 27701 readiness checkISO 27701 requirements in Vietnam
Strip away the vocabulary and ISO/IEC 27701 requires a company to prove six things about how it handles personal data.
In Vietnam these six sit alongside the local laws and regulations listed under drivers below; one system can evidence both. The detail is on the global hub: ISO/IEC 27701 explained →
How to get ISO 27701 certified in Vietnam
One team from the Ho Chi Minh City office carries the work from scoping to certificate. Delivery across Vietnam from the Ho Chi Minh City office, on-site and remote.
- Discovery call and scopeEntities, locations, regulators and target date, agreed before any proposal.
- Gap assessment against ISO/IEC 27701 and the Vietnamese requirements that apply to youControls you already run for your regulators and customers are reused, not rebuilt.
- Your system built with your team in EffivityRisks, controls, evidence, incidents and reviews in one live system the auditor can see.
- Internal audit, management review and corrective actionsYour internal auditors trained by Sterling; the evidence proven before the certification body arrives.
- Certification body stage 1 and stage 2, then surveillanceAn accredited body audits and decides. Sterling supports the audits and the three-year cycle.
- End to end, from one team
- Effivity ISO & GRC software
- Preferential Sterling Academy access, with complimentary awareness training for your people
- Internal auditor training for your audit team, as applicable to your standard
- Vulnerability assessment on ISMS engagements
The Sterling Promise: 100% on-time completion, 100% success, 8,100+ client engagements.Sterling does not certify. Certification decisions stay with independent bodies.
How long does ISO 27701 certification take in Vietnam?
There is no standard duration: it depends on your scope and on how much of the system already runs. In Vietnam these are the factors that set the timeline.
- Existing ISO/IEC 27001 certification (ISO/IEC 27701 extends it)
- Completeness of data inventories and records of processing
- Number of cross-border data flows
- Scheduling around the Tết break
Sterling agrees a dated plan with you on the discovery call, once the scope is known.
How much does ISO 27701 certification cost in Vietnam?
The cost has two parts: the consulting work to build and prove the system, and the certification body’s audit fees, which are quoted separately. In Vietnam these factors move both.
- Number of processing activities and systems
- Data mapping and consent tooling
- Certification body audit fees quoted separately from consulting
Sterling gives one customised, all-inclusive proposal after the discovery call, never before the scope is agreed.
ISO 27701 consultants and certification bodies in Vietnam
Two different organisations are involved. A consultant helps you build the system and prove it works; an accredited certification body then audits or assesses it and decides. Keeping the two separate is what makes the result credible to buyers and regulators.
- Check that the body’s accreditation or approval covers ISO 27701 and your sector, and that its certificates can be verified online.
- Ask the consultant how the local requirements in Vietnam are mapped into the same system, so nothing runs twice.
- Ask for client references in your sector; Sterling’s client letters are available on request.
- Agree who owns the evidence and the tool after the engagement; with Sterling the system stays yours, in Effivity.
Laws and regulations that drive ISO 27701 in Vietnam (2)
| Instrument | How it treats the standard |
|---|---|
| Law on Personal Data Protection No. 91/2025/QH15 | Expected in practice Impact assessments for processing and cross-border transfer, breach notification to the specialised agency, designated data protection staff; does not cite any standard or require certification. |
| Circular No. 09/2020/TT-NHNN on information system safety in banking operations (SBV) | Expected in practice Contracts with third parties for systems processing customers' personal information must contain information-security commitments; no standard named. |
"Expected in practice" means the instrument asks for the outcomes ISO/IEC 27701 covers without naming a standard, and ISO/IEC 27701 is what buyers and regulators commonly accept as evidence of them.
Accreditation, audit language and remote audits in Vietnam
BoA's published IAF MLA programme list does not include privacy information management systems as a separate programme; confirm that the chosen certification body holds accreditation for this standard from BoA or from an accreditation body within the international mutual recognition arrangements (Global ACI — Global Accreditation Cooperation Incorporated, formerly the IAF MLA), and that the scope covers your sector. No body is named here unless its accreditation scope has been verified. Edition and transition details: ISO/IEC 27701 hub →
Audit language
Agree the audit language (Vietnamese or English) and the document language with the certification body at application.
Remote and on-site
Remote audit elements are at the certification body's discretion under its accreditation rules; operational sites are normally visited on-site.
ISO 27701 in Vietnam: questions clients ask
Does ISO/IEC 27701 certification mean compliance with Vietnam's Law on Personal Data Protection?
No. The law cites no standard, so certification is not the same as compliance. ISO/IEC 27701 gives you a management system in which the law's duties can be organised and evidenced, but each duty must still be met in its own right. Confirm the position with your counsel.
Does the law apply to foreign companies?
Many foreign organisations are caught. The scope extends to foreign bodies directly involved in or related to handling personal data of Vietnamese citizens, and of Vietnamese-origin people without determined nationality living in Vietnam with an identity certificate. Whether you fall within it is for counsel to advise.
What breach notification rule applies?
The specialised personal data protection agency must be notified no later than 72 hours after a qualifying violation is discovered. The law has been in force since 1 January 2026. What amounts to a qualifying violation, and when discovery occurs, are legal points on which you should consult counsel.
Do small companies get relief?
Partly. Small enterprises and start-ups may choose whether to apply the impact-assessment articles and the duty to designate data protection staff for five years from the effective date. The option excludes those providing personal data processing services, directly processing sensitive personal data or processing data of a large number of data subjects. Confirm eligibility with counsel.
More on ISO 27701 for Vietnamese organisations
Other standards Vietnamese businesses ask Sterling for
Organisations in Vietnam often combine ISO/IEC 27701 with one of these, under one management system where the scopes allow.
Start with a free discovery call from the Ho Chi Minh City office
A Sterling consultant goes through your entities, your regulators and your target date with you. No proposal until the scope is agreed.
Sources
- Law on Personal Data Protection No. 91/2025/QH15 — congbaocdn.chinhphu.vn (accessed 5 Oct 2026)
- Circular No. 09/2020/TT-NHNN on information system safety in banking operations (SBV) — congbaocdn.chinhphu.vn (accessed 5 Oct 2026)
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