Confusing mixture of cross-domain and multi-language - HREFLANG

[Pan1234]

Hi Mozzers,

I am working for an international client, in a highly regulated industry. As such, their international set-up is slightly confusing.

They currently operate websites across multiple countries (with ccTLDs), as well as a global .com. E.g:

domain.co.uk

domain.it

domain. es

domain.com etc.

Additionally, they offer multiple languages across each of these domains, which often cross over. E.g:

domain.co.uk/en/, domain.co.uk/fr/, domain.co.uk/de/

domain.es/en/, domain.es/es/

domain.it/en/, domain.it/it/

domain.com/en/, domain.com/es/, domain.com/fr/, domain.com/de/

They are not currently using HREFLANG of any sort.

Using EN as an example, this results in 6 URLs showing the same content, albeit for different languages/locations:

Main URL

domain.co.uk/en/category-A/     hreflang="en-GB"

Multi-lingual variants from same domain...

domain.co.uk/fr/category-A/     hreflang="fr-GB"

domain.co.uk/de/category-A/     hreflang="de-GB"

Cross domain variants from other ccTLDs...

domain.es/en/category-A/     hreflang="en-ES"

domain.it/en/category-A/     hreflang="en-IT"

domain.com/en/category-A/     hreflang="en"

Can anyone cleverer than myself confirm that the above would be the most effective set-up for this scenario, with each URL referencing each other in this way?

[moz-maddesigngroup]

Have you had any luck figuring this thing out? I have a similar scenario and I can't find any answers to that.