Six Sigma International Ltd (SSI) is a consulting services firm and trains trainers within client companies to train other employees. SSI is so confident in the results they deliver that they offer a money-back guarantee if a company does not obtain at least a 200 % return on investment of training cost over two years.

BPIR Categories

6.4.1 Improve process/service performance
7.2.2 Handle warranties & claims

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