Market sizing & growth · Working
Share of wallet
Also called: wallet share
ELI5
How much of a customer's relevant spending goes to one company.
Used in conversation
“Expansion can grow share of wallet without adding logos.”
Definition
The portion of a customer's total spending in a category captured by one provider.
Here “Share of wallet” means: The portion of a customer's total spending in a category captured by one provider.
Pitch context
You will see “Share of wallet” in strategy decks, market analyses, business plans and planning workshops when the discussion reaches market sizing & growth.
Why it matters: It helps a reader interpret market sizing & growth without confusing the measure, decision, role or evidence being discussed.
Sources & evidence · 5
Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.
- Strategyzer — Business Model Canvas resourcesSupporting source family · practitioner · checked 2026-08-16
- Strategyzer — Value Proposition Canvas resourcesSupporting source family · practitioner · checked 2026-08-16
- LEANSTACK — Lean CanvasSupporting source family · practitioner · checked 2026-08-16
- U.S. Department of Justice Antitrust Division — Herfindahl-Hirschman IndexSupporting source family · primary · checked 2026-08-16
- U.S. Census Bureau — Business and economy dataSupporting source family · primary · checked 2026-08-16