If you are looking to procure grant funding from sources overseas and must have the application written in the target organization's native tongue, it's best to seek out the services of a grant translation specialist.
By finding someone who not only is skilled in prompt and accurate translation, it's also in your best interest to find someone who has an extensive background in the grant application processes present in the countries where you intend to apply.
By finding a knowledgeable professional to help you through the process you will save yourself a great deal of time and a lot of headaches.