All marketing research was objective, accurate and thorough, which allowed us to choose the optimal market outlet, to carry out planning, ie reasonable prediction, according to the results of marketing research, forecast of the market situation and development of appropriate marketing measures to ensure efficiency our business activities and the implementation of strategic directions of entrepreneurship.
Would you say that it is written by a native speaker?
It could very well have been written by a native speaker (or a committee of native speakers) even though it is ungrammatical, pretentious, and indecipherable. A great deal of business prose is written like that, particularly sales literature. It is intended to sound profound, but ends up meaning nothing.
For example, "to ensure efficiency our business activities and the implementation of strategic directions of entrepreneurship" is an ungrammatical list of buzz words.
