Field Notes
Notes from category rooms and spend reviews
Practical writing for enterprise purchasing teams — how to read ledgers, brief finance, and prepare for supplier conversations.
How purchasing teams spot maverick spend without a full systems rewrite
Practical signals in invoice descriptions and cost centers that often hide off-contract buying in enterprise ledgers.
When one supplier holds too much of a category
A working method for measuring concentration and briefing risk committees in plain language.
Preparing a category review that finance will sit through
How to structure a purchasing category review so finance partners stay engaged past the first slide.
Why a data inventory beats jumping straight to charts
What to catalogue before drawing the first spend map for an enterprise purchasing team.