Using Site Groups to create product portals for customers.

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Sometimes you may have a smaller customer who wants their product catalog and or pricing in an online store, but you don't want to spend the time creating an entire store for this one, small client.
 
Group-based "mini-portals" or "product portals" are an alternative to creating an entire B2B store dedicated to one small customer. Instead, you can use one or more of your existing B2C (or B2BC) stores to create special, private "site groups" within the store website. The group could be for a company, a division or department or location within a company, or even an individual person.
 
When a member of a special site group logs in, they can see products and/or pricing specific to their group only. In this way, smaller repeat customers can be privately catered to within an existing store. 
 
Pros:
  • You don't need to create an entire store for a smaller customer.
  • Instead, they can use an existing B2C you have setup for the general public, or you can use one private B2B setup expressly for catering to a mix of smaller repeat customers.
  • You can create as many site groups as needed. So 3 or 4 or 40 small clients could share a store without seeing each others products or pricing.
 
Cons:
  • Unlike a standard B2B implementation, the url, branding, color scheme, shipping and payment framework of the B2C (or B2B) they log into will not be exclusive to them.
  • Their company name will not be in the store's URL, their logo and color scheme will not be used for the store, your UPS, FedEx, etc. accounts will be used in the B2C or B2B store, not theirs.
  • Using site groups in this way is much less personalized to their company than a B2B.
  • If a mix of customers are sharing a B2B, some commonly used B2B functions such as custom order approval plans, budgets, client control of fellow users and or Assets, in-store reports, and inventory fulfillment may be limited or no longer suitable because the store is not exclusive to one client/company. 
Related:
Site Groups https://support.aleyant.com/kb/a258/ch_-046-creating-site-groups.aspx