"customer confidence" is a correct and usable phrase in written English.
For example, you could say, "The customer confidence in our products has grown significantly these past few months."
That ROI can take the form of increased customer confidence in their wine or potential for repeat sales through a custom app that tracks the consumer's wine purchases.
"Customer confidence is coming back.
This is expected to improve customer confidence.
Gone too is a good deal of customer confidence.
The problems have taken their toll on customer confidence.
"But it will increase customer confidence in the site.
Simply removing A.I.A. from A.I.G. might restore customer confidence — and growth.
The airlines "have a ways to go to restore customer confidence," the report said.
Scott added that within Lloyds TSB they were also seeing improved customer confidence.
It said it had agreed to recall its products "because customer confidence is paramount to its business".
And yet, Ms. Johnson said the BuySafe initiative could lead to incremental improvements in customer confidence on eBay.
