What positive outcomes can be expected?

Is Deming's Management Method suitable for small business? Absolutely. While it requires time and effort to understand and embrace, the method can bring into a smaller enterprise enhanced employee relationships, more positive attitudes, improved customer service, smarter use of resources (due to constancy of purpose), and in general better business decisions.
In addition, through the use specific TQM techniques, small businesses can gain better understanding of their operations. While this may not necessarily lead to sizeable cost reductions, it can still save time and make jobs easier. In a small enterprise, where resources can be scarce, even small improvements are invaluable.