Sharepoint linked contact lists over sites

markkram 

Here is my thought - I hope you find something in it that works for you!

• Create a central project site that has info on it that might pertain to ALL projects (I suggest a Communication Site)
• Make this new site a Hub site
• Create a master contacts list that lives on the site created above
• Add a link to the hub navigation that points to the master contacts list
• Now associate/join all of the project sites to the new Project Hub site created in the first step

With this set up, every associated project will have the same hub navigation at the very top with a link that points to the contact list that lives on the central hub site

I was going to suggest adding a Highlighted Content web part...but apparently that only works for documents! Ugh...if you could select a list in Highlighted Content then that would allow you to grab items from that list that lives on the hub and pull them into a page on any of the associated project sites. 

Good luck and please let us know if any of this works for you!