Castle Water
Castle Water Limited is a Scotland-based business water and wastewater retailer supplying non-household customers across England and Scotland.
Certifications & Accreditations
| Certification | Certifying Body | Scope | Achieved | Expiry | Status |
|---|---|---|---|---|---|
| ISO/IEC 27001:2022 | SGS United Kingdom Ltd | Cert GB22/00000184, Castle Water Limited, Blairgowrie: protection of client and employee data for commercial operations and the provision of customer services for a water company (SoA v4.0). | June 1, 2022 | June 1, 2028 | Current |
| ISO 9001:2015 | SGS United Kingdom Ltd | Cert GB19/964924, Castle Water Limited: the provision of water and wastewater retail services. | Dec. 10, 2019 | Oct. 10, 2028 | Current |
Compliance Frameworks
Legal & Privacy
- Privacy Policy View ↗
Contact & Responsible Disclosure
- Security Contact [email protected]
Strongest evidence of the water retailers
Castle Water publishes **two full SGS certificate PDFs** with certificate numbers, named entity, scope statements and dates — the best documentation in this part of the library.
**Licensing — WICS (Scotland), verified:** licensed provider "Castle Water", general water and sewerage services licences granted **11 July 2014**. Cobalt Water licences transferred June 2020, Affinity for Business July 2021, Brightwater Services April 2026.
**Ofwat (England): unverified.** Ofwat publishes water supply and sewerage licence pages for Castle Water Limited plus a wholesale authorisation application, but the Ofwat register returned HTTP 403 to automated checks — verify manually.
No ISO 14001, 45001, 22301, 50001 or Cyber Essentials evidence found. Entities: Castle Water Limited (SC475583) and Castle Water (Scotland) No.2 Limited (SC514287).
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