AdvertisingStackAdapt and the GDPR: agreement, role and data location.
StackAdapt is a advertising tool. Its role depends on the activity, it publishes its data processing agreement, and the data location depends on your account. Below: what to check and how to declare it.
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In short
- Category
- Advertising
- Usual role
- Depends on the activity
- Data location
- Often US, Germany and Singapore (AWS), check your account
- Agreement
- Published by the vendor
What does StackAdapt do with personal data?
Measure advertising campaigns and show relevant ads to people who visited the website. That is how Privacyboard describes a typical use of StackAdapt, as a starting point you can edit.
The data usually involved: iP addresses, cookie and advertising identifiers, pages visited, conversion events and device information.
Is StackAdapt a processor or a controller?
StackAdapt is processor for some activities but controller-to-controller for others.
Privacyboard does not prefill a role for this vendor on purpose. You are asked to choose, since the answer changes what your privacy policy says and which agreement matters.
Where does StackAdapt store personal data?
StackAdapt is usually associated with US, Germany and Singapore (AWS), but the location can depend on your plan or settings. Privacyboard prefills it as a starting point that you should check in your account.
What StackAdapt says (read on 2026-11-05): Primarily uses AWS regions in the US, Germany (eu-central-1) and Singapore. Source: https://www.stackadapt.com/legal-document-centre/data-processing-agreement
How to find yours: Check the provider’s data processing terms: advertising data is usually processed in several regions.
If the data is processed outside the European Economic Area, Articles 44 to 49 require a transfer mechanism, such as standard contractual clauses, an adequacy decision or the EU-US Data Privacy Framework. Your privacy policy should name it.
Which legal basis usually applies to StackAdapt?
For the usual use of StackAdapt, companies most often rely on consent (GDPR Article 6(1)). Advertising and retargeting identifiers on the visitor’s device need consent, under the ePrivacy rules as well as the GDPR.
Ad platforms often act as controllers for their own purposes: check your agreement and your consent setup.
This is a starting point, not legal advice: the basis belongs to your activity, and you confirm it in your register.
Sources: CNIL: cookies and other trackers, questions and answers, GDPR Article 6, lawfulness of processing
Does StackAdapt have a data processing agreement?
Checked on 5 November 2026. Vendors change their pages, so check the date.
Yes. StackAdapt publishes the text of its data processing agreement on its own website. Article 28 of the GDPR requires a written contract with every processor, so this is the document to read and keep.
What we noted when we opened the page: StackAdapt Data Processing Addendum, effective 5 Aug 2026. Contracting entity StackAdapt Inc. or an affiliate. Hosted on AWS, primarily US, Germany (eu-central-1) and Singapore regions; DPF, with EU SCCs and UK Addendum as fallback.
A page that exists does not mean you are covered. Whether the agreement applies to you depends on your plan and on what you accepted, so record the decision yourself in your vendor list.
Read the StackAdapt agreementHow to declare StackAdapt
- 1
In your privacy policy
Name StackAdapt as a recipient, say what it is used for (measure advertising campaigns and show relevant ads to people who visited the website) and mention any transfer outside the EEA. Articles 13 and 14 ask you to tell people who receives their data.
- 2
In your vendor list
Add StackAdapt with its purpose, the data involved, its role, its region and a link to the agreement. Privacyboard prefills all of this, you confirm or correct it.
- 3
In your processing register
Link StackAdapt to the activities that use it, so each record shows its recipients. Article 30 asks the register to list the categories of recipients.
What to check before relying on StackAdapt
- Confirm the region and any transfer outside the EEA.
- Keep the agreement text you accepted and its date.
- List the provider in your privacy policy and your processing register.
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Questions, answered.
Is StackAdapt GDPR compliant?
Privacyboard does not certify vendors. Compliance depends on how StackAdapt is configured and used, on the agreement you have with it and on your own practices. What can be checked is documented here: it publishes a data processing agreement, the usual role and the data location. Read the agreement itself before relying on it.
Does StackAdapt have a DPA?
Yes. StackAdapt publishes the text of its data processing agreement on its own website. Article 28 of the GDPR requires a written contract with every processor, so this is the document to read and keep. You can read it at https://www.stackadapt.com/legal-document-centre/data-processing-agreement.
Is StackAdapt a data processor?
It depends on the activity. StackAdapt is processor for some activities but controller-to-controller for others.
Which legal basis applies when I use StackAdapt?
For the usual use of StackAdapt, companies most often rely on consent (GDPR Article 6(1)). Advertising and retargeting identifiers on the visitor’s device need consent, under the ePrivacy rules as well as the GDPR. Ad platforms often act as controllers for their own purposes: check your agreement and your consent setup.
Where does StackAdapt store data?
StackAdapt is usually associated with US, Germany and Singapore (AWS), but the location can depend on your plan or settings. Privacyboard prefills it as a starting point that you should check in your account. What StackAdapt says (read on 2026-11-05): Primarily uses AWS regions in the US, Germany (eu-central-1) and Singapore. Source: https://www.stackadapt.com/legal-document-centre/data-processing-agreement
Do I need to mention StackAdapt in my privacy policy?
Yes, if StackAdapt handles personal data for you. The GDPR asks you to tell people who receives their data (Articles 13 and 14). Name the vendor or its category, say what it is used for and mention any transfer outside the EEA.
How do I add StackAdapt to my vendor list?
In Privacyboard, pick StackAdapt from the catalog. The purpose, the data, the suggested role and a link to its agreement are prefilled, and you confirm each one. Creating a workspace is free.
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Privacyboard is not affiliated with StackAdapt. Names and logos belong to their owners and are used only to identify the tool. This page summarises public documents as checked on 1 November 2026; it is guidance, not legal advice, and it does not certify any vendor.