What results can you promise?

None — and be wary of anyone who answers differently. What we can show is documented method and one named, consented case: at Parco Group's Jebel Ali operation, food cost fell from 44% to 29% across a 120-day reset, and average daily sales later rose from AED 6,000 to AED 14,000 over nine months. Your operation will differ; the discipline does not.

From What Does a Restaurant Turnaround Consultant Actually Do? — the full reading, with the method behind this answer.