What do Greggs use? Sigma Energy Management Software

Greggs use Sigma Software across all their 1,600 sites as a bill validation tool which makes it easy to do with query management. Through bill validation Greggs have saved a couple of hundred thousand pounds in billing errors which they have been able to recoup from their energy suppliers.

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It's a really good piece of software, very easy to use and simple to explain to other people in the business.

Karen Butcher, Utilities Analyst