No, while compatible company cultures can be very elemental to a successful deal, differing cultures can be a recipe for disaster. Purchasing a company just for the culture, in the hopes that you can change your culture seems like a doomed venture. In the end M&A is also a financial deal and must justify the costs. There are many other ways to change your corporate culture, without the pain, scrutiny and costs of an acquisition. If you think key people at the organization may be drivers of the culture – try recruiting them!