I've been using Dolibarr for a year now and it is not very UK-specific. That said, it's almost perfect form a business point of view (for me, retail sales).
Finding a developer to create the module won't be hard. Post in the forums on here or on the github dolibarr site. Just make sure it is compatible with the latest version as a lot of changes are going on and we are about to welcome v5.00 in the next few weeks I heard.
Finding a developer to create the module won't be hard. Post in the forums on here or on the github dolibarr site. Just make sure it is compatible with the latest version as a lot of changes are going on and we are about to welcome v5.00 in the next few weeks I heard.