| Clue | Source | Date |
|---|---|---|
| British Standards Institution | The Telegraph Cross Atlantic | 24 Jul 2025 |
| British Standards Institution (abbr.) | The Telegraph Cross Atlantic | 03 Jul 2025 |
| British Standards Institution (abbr.) | The Telegraph Cross Atlantic | 17 Feb 2025 |
| Organisation determining minimum standards (abbr.) | The Telegraph Cross Atlantic | 13 Jan 2025 |
| The organisation identified by the Kitemark | The Times Specialist Sunday | 15 Aug 2021 |