Which HubSpot tool is best for clients that cross-sell or upsell contacts across brands? By vmartinez Which HubSpot tool is best for clients that cross-sell or upsell contacts across brands? Brand kits Additional portals Additional domains Business units Related content Related questions:During your discovery call, your prospect, a sales…You want to learn what happens after transactions…Within Search Ads 360, what tool can show what…You’re working with a sports equipment brand. They…