Flyerzone.co.uk are able to print Word documents as long as the file is saved as a PDF.
To do this in Word 2013 all you need to do is follow these simple steps.
1. Click File -> Export -> Create PDF/XPS
2. Select where you want to save the PDF
3. The options you need to select on the options screen are shown below
4. Click Publish
For help with other file supply questions take a look at the Flyerzone file supply guide found here