Logo Retention tracks the percentage of customers in a cohort (a set of customers grouped by sign-up period) that stay active, paying customers over time.
Where a cohort is the set of customers who had revenue for the first time in month n, and x = the quantity of months since month n:
Example: n = Jan 2021, x = 3
SaaSGrid also computes the weighted average (Average) across cohorts.
For quarterly and annual aggregation, the formula is applied using revenue from the last month of the period.