UKAS national accreditation symbolBluesky Certification is a UKAS accredited Certification Body, No. 9413. This accrediation covers only the activities described in our accreditation scope.

If you are considering using another certification body we suggest you verify that they are also accredited by UKAS, as this will help to ensure that the certification is credible.






Bluesky Certification is recognised by Secured by Design (SBD) and provides the certification which is required for door and window manufacturer and installers to apply for membershio of SBD licensing schemes.You can find us listed under "Certification Bodies". Secured by Design is the flagship UK police initiative to help ‘design out’ crime through the use of high-quality, innovative products and processes. In West Yorkshire, research demonstrated that newly built developments built to SBD standards were up to 75% less likely to be burgled.



NHBC recognises that a UKAS-accredited Notified Body is able to test and determine the performance characteristics of window and door sets to British Standards. Calibso Limited (trading as Bluesky Certification) is a UKAS accredited Notified Body, no. 2731, which is accredited by the European Commission to provide assessment against the given schemes. Therefore, assessments carried out by BlueSky Certification can be used to determine compliance with the relevant sections of NHBC Standards Chapter 6.7 ‘Doors, windows and glazing.

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