Software as a Service (SaaS) services featuring software for resolution of the identity of individual businesses and business contacts based on data pertaining to the businesses and business contacts across multiple marketing channels, devices, and marketing platforms, and mapping identifiers for a known individual business and business contact to the channels, devices, and marketing platforms on which that individual business and business can be found, in order to execute and support multichannel marketing efforts, targeting specific businesses for marketing purposes, measurement of marketing campaign results, personalization of marketing messages to individual business contacts, monetization of business marketing data, and business marketing data analytics