Subprocessor Disclosure
LucentStar AI Ltd
Registered office: 71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ
Company number: 17492207.
LucentStar AI Ltd uses the following third-party data processors ("subprocessors") to operate the lucentstar.ai website and the LucentSignal platform. This list is maintained in accordance with our obligations under UK GDPR and EU GDPR.
Website enquiries pass through our Railway-hosted endpoint and Resend to our hello@lucentstar.ai mailbox, provided through 123 Reg and powered by Titan. Enquiries do not create marketing subscriptions. Analytics provider information below follows Google’s published UK Analytics terms; property retention settings were checked on 3 October 2026.
1. Current Subprocessors
| Subprocessor | Country | Transfer mechanism | Purpose | Data processed |
|---|---|---|---|---|
| Anthropic PBC | USA | Standard Contractual Clauses | AI content generation via Claude API | User-submitted prompts, ghost writing profile data, brand voice content |
| Stripe Inc. | USA | Standard Contractual Clauses / UK Addendum | Subscription billing and payment processing | Name, email, billing event data, Stripe customer ID |
| Resend Inc. | USA | Standard Contractual Clauses | Transactional and marketing email delivery | Recipient and email message details, including website enquiries for delivery to our business mailbox |
| 123 Reg / Titan | See provider processing terms | 123 Reg privacy policy and Titan data processing terms | Business email hosting | Enquiries and related email correspondence |
| Railway Corporation | USA | Standard Contractual Clauses | Application hosting and managed PostgreSQL database | All application data: user accounts, posts, sessions, billing records |
| Google Analytics (Google Ireland Limited under its UK Analytics service terms) | Ireland; Google group processing internationally | Google Ads Data Processing Terms, including their international transfer provisions | Usage analytics; optional after acceptance on website, blog, sign-in and welcome pages. Signed-in app analytics currently load even when the entry-screen analytics choice is Reject. | Page usage, device and browser information |
2. Changes to Subprocessors
We will provide at least 14 days notice of any new subprocessors or material changes to existing subprocessors by updating this page and, for registered users, by email notification. If you object to a new subprocessor, you may contact us at hello@lucentstar.ai within the notice period.
3. DPA Requests
If your organisation requires a Data Processing Agreement (DPA) with LucentStar AI Ltd, please contact hello@lucentstar.ai. We will respond within 10 working days.
4. Last Updated
This subprocessor list was last updated on 4 October 2026. The current version is always available at lucentstar.ai/subprocessors.
5. Contact
Data protection queries: hello@lucentstar.ai