Mother/daughter/related is not enough to describe the complexity of corporate relationships."Headquarter" / "Branch office", for example, would still be important. Or "agency"/ " serviced by".

Wallmart Inc. would be a Mother but there are lots of branches. The real daughters are for example "Sam's Club" or "Botega Aurrerร ". And they do have many branch offices themselves. And they can be served by different agencies.ย 

These are very valuable information! Of course you can help yourself with custom fields, but this is confusing and susceptible to errors...

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