You run enterprise sales for a technology company in Belo Horizonte. You have a huge portfolio of accounts and limited teams, and you must decide how to cover them. "Fair" seems to mean giving everyone the same standard coverage. But in enterprise B2B, a handful of accounts —by size, growth, and strategic fit— are worth more than the entire long tail combined. Those deserve dedicated, cross-functional key account teams, with disproportionate investment. SAP and Oracle built key account programs for their largest enterprise customers.
The situation
The key account management discipline recognizes that customer value is deeply unequal: a few strategic accounts —large, expanding, with strategic fit— have a lifetime value and growth potential that dwarfs the long tail. Those accounts deserve dedicated, cross-functional teams, personalization, executive sponsorship, and disproportionate investment, because their expansion and retention pay that effort back many times over. The key is to concentrate your best teams on the right accounts —high potential and fit— and cover the rest with efficient coverage. SAP and Oracle built key account programs for their largest customers.
Here's the trap, in two directions. Treating all accounts equally with the same standard coverage looks fair, but it underserves the whales: accounts that would expand with dedicated investment get the same as a marginal account, and you leave their potential uncaptured. And giving key account treatment to too many accounts —spreading the VIP team across half the catalog— is uneconomical: you dilute your best teams, drive up the cost of coverage, and never go deep on any of them. The defensible move is to concentrate dedicated teams on a few high-potential strategic accounts, earned by their value, and serve the tail efficiently.