# Who does Arm Holdings pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/arm · Facet: suppliers · Updated: 2026-07-12T06:24:25.797222+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Arm Holdings's confirmed suppliers/cost counterparties include Siemens EDA, Synopsys, Cadence Design Systems plus 1 undisclosed/aggregate relationship. Per the valuechain.wiki graph: 4 cost edges, backed by 5 dated sources, 1 of them primary filings (as of 2026-07-12).

### Siemens EDA (mid)  → /siemens-eda.md
- metric: Amount $4.9B · Arm FY2026 매출(+23%)
- note: Pays for Siemens EDA (Calibre etc.) licenses.
- [confirms] Wikipedia (KO, news, published 2026-01-01) https://ko.wikipedia.org/wiki/멘토_그래픽스: "arm designs chips on Siemens EDA (Calibre/Tessent/Questa)."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "arm designs chips on Siemens EDA (Calibre/Tessent/Questa)."

### Synopsys (mid)  → /synopsys.md
- metric: Amount $4.9B · Arm FY2026 매출(+23%)
- note: Uses/buys EDA design tools from Synopsys.
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "Uses EDA for IP design."
- [confirms] Arm IR (EN, ir, published 2024-07-01) https://investors.arm.com/static-files/219a3b28-f209-4d74-8bc6-f9e026d55a95: "Design R&D."

### Cadence Design Systems (mid)  → /cadence.md
- metric: Amount $4.9B · Arm FY2026 매출(+23%)
- note: Uses/buys EDA design tools from Cadence Design Systems.
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "Uses EDA for IP design."
- [confirms] Arm IR (EN, ir, published 2024-07-01) https://investors.arm.com/static-files/219a3b28-f209-4d74-8bc6-f9e026d55a95: "Design R&D."

### R&D 엔지니어·인건비 (비공개) (mid)
- metric: Amount $4.9B · Arm FY2026 매출(+23%)
- note: Architecture R&D headcount is the main cost (undisclosed).
- [mentions] SEC EDGAR (EN, filing, published 2024-05-22) https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=ARM&type=20-F: "20-F: R&D."

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

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