# Who does Starbucks Corp pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/starbucks · Facet: suppliers · Updated: 2026-09-11T19:25:10.069912+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Starbucks Corp's confirmed suppliers/cost counterparties include Microsoft plus 2 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 3 cost edges, backed by 3 dated sources, 1 of them primary filings (as of 2026-09-11).

### 원두·커피 원자재 (비공개) (high)
- note: Green coffee (arabica) and related raw materials are a core cost; bean-price swings feed directly into cost and margin. Individual suppliers and prices undisclosed.
- [mentions] Starbucks (SEC 10-K) (EN, filing, published 2025-11-14) https://s203.q4cdn.com/326826266/files/doc_financials/2025/q4/SBUX-9-28-2025-10-K-FINAL.pdf: "The 10-K treats price volatility in green coffee and other commodities as a risk factor affecting cost and results."

### 인건비·임대 (비공개) (high)
- note: Store labor and rent are large, largely fixed costs; US wage increases and intensifying China competition are margin swing factors. Details undisclosed.
- [mentions] Starbucks (SEC 10-K) (EN, filing, published 2025-11-14) https://s203.q4cdn.com/326826266/files/doc_financials/2025/q4/SBUX-9-28-2025-10-K-FINAL.pdf: "The 10-K describes store labor and rent and the labor-market and competitive environment as costs and risk factors."

### Microsoft (high)  → /microsoft.md
- note: Runs its own AI platform, Deep Brew, on Microsoft Azure, using Azure machine learning and reinforcement learning for personalized recommendations and to automate inventory, Mastrena machine upkeep and store operations. The AI is a cost-side capability, not a revenue line.
- [confirms] AI Times (KO, news, published 2020-12-21) http://www.aitimes.com/news/articleView.html?idxno=135037: "Deep Brew automates time-consuming store tasks such as Mastrena machine upkeep and inventory management, and supports menu decisions using weather, time and foot-traffic data."
- [confirms] Microsoft (Source) (EN, news, published 2020-01-06) https://news.microsoft.com/source/features/digital-transformation/starbucks-turns-to-technology-to-brew-up-a-more-personal-connection-with-its-customers/: "In-app tailor-made order suggestions are generated via a reinforcement learning platform built and hosted in Microsoft Azure."

Reverse side: https://valuechain.wiki/starbucks/customers.md · Ripple: https://valuechain.wiki/starbucks/ripple.md

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Full node: https://valuechain.wiki/starbucks.md · JSON: https://valuechain.wiki/starbucks.json