B2SMB Institute | 591 followers on LinkedIn. Helping business-to-small-business brands and professionals win, keep and grow small-business customers at scale. | Do you sell to Small Business at scale? The B2SMB Institute is the only community built exclusively for the brands and leaders whose job it is to win, keep, and grow SMB customers. Since 2017, we've grown into the premier executive network for enterprise professionals who engage the most fragmented and fastest-evolving market in the world: America's 33+ million small businesses.