Data as of Jul 25, 2026 · Based on 2,718,867 AI responses across 9,511 prompts · See how Parse measures this
Telephone Preference Servicetpsonline.org.uk · Low evidenceThe Telephone Preference Service (TPS) is the UK’s official Do Not Call register that lets people and businesses opt out of unsolicited live sales and marketing calls to landlines and mobiles, with free online and SMS registration. TPS (and CTPS) offer a free complaint-handling service, and the ICO enforces the underlying law, with organisations required to screen their data against the register regularly. Businesses such as SMEs, PLCs, and public bodies can register their numbers on the CTPS register to ensure they are suppressed from unwanted calls.
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