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On the 2nd August 2021 the Stroma Installer Certification Scheme closed and merged with NAPIT, and will now operate under the NAPIT brand.

All Stroma Installer Certification members have been communicated with regarding details of the scheme merger and their requirements. If you are a member and wish to discuss this further, please contact NAPIT on 0345 543 0330 or email [email protected]

To find or verify a Registered Member or Operative please visit

If you have had work carried out by a Stroma Installer Certification member they remain responsible for this work and the NAPIT processes will apply. For consumer advice please visit here

For more information on NAPIT please visit