| Nature | Certification | Awarding organisation or authority | Period of validity |
| Quality Management System Accreditation | ISO 9001 : 2015 | Green Council |
25 August 2023 – 11 September 2026 |
| Occupational Health and Safety Management System Accreditation | ISO 45001 : 2018 | Green Council |
25 August 2023 – 11 September 2026 |
| Environment Management System Accreditation | ISO 14001 : 2015 | Green Council |
25 August 2023 – 11 September 2026 |
| Energy Management System Accreditation | ISO 50001 : 2018 | DW Certificate Limited |
12 November 2024 – 11 November 2027 |