Net Promoter® NPS®, NPS Prism®, and the NPS-related emoticons are registered trademarks of Bain & Company, Inc., Satmetrix Systems, Inc., and Fred Reichheld. Net Promoter Score™ and Net Promoter System™ are service marks of Bain & Company, Inc., and Fred Reichheld.
I have already sung praises to everyone who has asked; and if I or anyone I know require(s) repairs of this nature going forward - no need to look any further.
Cheers!