Some texts are more difficult to translate into Ukrainian than others. A standard business letter is one thing; a technical manual for a piece of machinery is another animal altogether.
Because of dramatic evolution of translation and localization industry, there are currently certain types of translation services, among them are: general, legal, technical, business, marketing, etc.
For this reason:
You have to choose a Ukrainian translator who would be able to meet your requirements, provide you with a good Ukrainian translation and help you achieve your goals.