They always find a solution even if it is not the best: they don't have the best knowledge but at least you are sure that they will work to get the goal in all the cases. The strength of these big companies is that they are so wide and with such a big network that the word "Impossible" is not expected.

Working with EY on the Finance transformation was sub par in our experience. The team would constantly focus on items other than what was explicitly communicated and would bill for absolutely EVERYTHING at full rates. The project plan and roadmap were nonexistent and the delays were ridiculous.