Sub-Processor Register
The following sub-processors may process personal data when delivering Voice AI services
Sub-processors are used solely for the purpose of delivering Voice AI services.
All providers operate under contractual data protection obligations and security frameworks designed to support compliance with UK GDPR.
Provider
Purpose
Data Processed
Location
DPF Certified
Safeguard Used
Twilio
Retell AI
Microsoft Azure
Zapier
Telephony infrastructure
Voice AI orchestration and processing
Hosting of dashboards and infrastructure
Integration services and automation
call audio, call metadata
call audio, transcripts
transcripts, recording, metadata
structured outputs, webhook data
US / Global
US
UK (UK South)
US
Yes
No
Yes
No
EU-US DPF / Extension
Standard Contractual Clauses (SCC's)
EU-US Data Privacy Framework
Standard Contractual Clauses (SCC's)
Certain sub‑processors used by Collaborative Conveyancing Limited (including Retell AI) may engage additional sub‑processors to support service delivery, such as language model, speech processing, and hosting providers.
These sub‑processors are appointed and managed by the primary provider and are subject to equivalent data protection and security obligations. Further details are available upon request or via the relevant provider’s trust centre.