GDPR & Compliance

The lawful use of purchased marketing data under UK GDPR and PECR: legitimate interests, Article 14 notices, DPIAs, retention, objections and ICO guidance. For data protection leads and marketers who need defensible answers.

Handling DSARs for data you bought from a broker

UK GDPR Article 15 requires you to respond to a DSAR within one month, naming the data broker source, the lawful basis, and all personal data you hold on the individual.

The right to object in UK marketing: process and consequences

Under UK GDPR Article 21(2), individuals have an absolute right to object to direct marketing that cannot be refused or weighed against your legitimate interests, with permanent cross-channel suppression required.

How long can you keep marketing data under UK GDPR?

UK GDPR does not name a fixed retention period for marketing data, but Article 5(1)(e) requires you to keep personal data only as long as necessary, with 24 months from last engagement the defensible B2B standard.

Consent vs legitimate interests for B2B prospecting

For UK B2B cold outreach, legitimate interests under Article 6(1)(f) is almost always the correct lawful basis, but consent, PECR, and regulated-sector rules can shift the answer.

Article 14 notices: telling people you bought their data

UK GDPR Article 14 requires you to tell individuals you bought their personal data, within one month or at first contact, with a notice covering source, lawful basis, and rights including the right to object.

When do you need a DPIA for purchased marketing data?

A Data Protection Impact Assessment is mandatory under UK GDPR Article 35 for large-scale consumer data processing and automated profiling, but most targeted B2B prospecting to purchased lists does not reach that threshold.

What does the ICO say about buying marketing data?

The ICO does not ban bought marketing lists, but requires every buyer to verify the supplier's lawful basis, complete their own Legitimate Interests Assessment or check consent validity, and notify individuals under Article 14 within one month.

UK GDPR vs EU GDPR for marketers buying data

UK GDPR and EU GDPR share the same six lawful bases and eight data subject rights, but diverge on supervisory authority, adequacy mechanisms, and electronic marketing rules that matter to every marketer buying contact data.