Is oliver wyman a good company to work for? Although Oliver Wyman is associated with this larger conglomerate, it is still considered among the world's most prestigious consulting companies. In fact, Oliver Wyman is ranked #5 in the Vault Consulting 50 and is also 5th highest in revenue among strategy consulting firms.Is mercer and oliver wyman the same company? Founded in 1984, the firm adopted its current form in May 2007, when Mercer Oliver Wyman joined with Mercer Management Consulting and Mercer Delta to become one firm named Oliver Wyman. It is part of the Oliver Wyman Group, a business unit of Marsh & McLennan .Is marsh and mclennan and oliver wyman the same company? Marsh and McLennan's consulting arm is called the Oliver Wyman Group, which contains Oliver Wyman itself, as well as a few other consulting subsidiaries. Although Oliver Wyman is associated with this larger conglomerate, it is still considered among the world's most prestigious consulting companies.What is a case interview like at oliver wyman? Case interviews at Oliver Wyman are candidate-led, which is the same style used in a BCG or a Bain case interview. This is different to firms like McKinsey or Capital One who use interviewer-led cases. For a candidate-led case interview, there are 7 types of questions you need to prepare for: