Hi S Newbold
If you are exporting goods to the EU this will constitute a zero rated export as long as all the conditions are met here:
Conditions and time limits for zero rating
However if you are providing a service to the business customer of work on goods then the Place of Supply with determine whether VAT should be charged.
Please see the guidance below:
Services supplied ‘where performed’
The place of supply rules for services
However even if the busuness customer is deemed to belong in the UK the service can be zero rated under the provision below if the conditions met: