# Who are Siemens EDA's customers? Who does Siemens EDA earn revenue from?
Canonical: https://valuechain.wiki/siemens-eda · Facet: customers · Updated: 2026-07-12T08:20:36.059799+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Siemens EDA's confirmed revenue counterparties include TSMC, 삼성전자, Intel plus 11 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 14 revenue edges, backed by 4 dated sources, 0 of them primary filings (as of 2026-07-12).

### Siemens AG (모회사·100% 지분) (high)  → /siemens-ag.md
- metric: Market share 100% · parent stake (100%)
- note: A wholly owned subsidiary of Siemens AG within Digital Industries Software — its capital, R&D and go-to-market lean on the parent, and for Siemens it is a high-margin chip-design-software axis decoupled from the automation cycle.
- [confirms] Siemens AG (EN, filing, published 2025-11-13) https://assets.new.siemens.com/siemens/assets/api/uuid:7fdd21fb-c248-43a3-b475-f2e618fbae88/2025-q4-earnings-release-en.pdf: "EDA sits within Siemens' Digital Industries software business."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "Siemens acquired Mentor Graphics in 2017 for $4.5B; 100% parent."

### TSMC (high)  → /tsmc.md
- note: Supplies EDA tools to tsmc.
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "Siemens EDA is #3 of the EDA big three; its Calibre physical verification (DRC/LVS) is a signoff standard at TSMC and other foundries."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "tsmc specifies and licenses Calibre physical verification for tape-out signoff."
- [confirms] Siemens (EN, ir, published 2025-01-01) https://eda.sw.siemens.com/en-US/ic/calibre-design/physical-verification/: "tsmc specifies and licenses Calibre physical verification for tape-out signoff."

### 삼성전자 (high)  → /samsung-electronics.md
- note: Supplies EDA tools to samsung-electronics.
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "Samsung Electronics uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "samsung-electronics specifies and licenses Calibre physical verification for tape-out signoff."
- [confirms] Siemens (EN, ir, published 2025-01-01) https://eda.sw.siemens.com/en-US/ic/calibre-design/physical-verification/: "samsung-electronics specifies and licenses Calibre physical verification for tape-out signoff."

### Intel (high)  → /intel.md
- note: Supplies EDA tools to intel.
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "Intel uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "intel specifies and licenses Calibre physical verification for tape-out signoff."
- [confirms] Siemens (EN, ir, published 2025-01-01) https://eda.sw.siemens.com/en-US/ic/calibre-design/physical-verification/: "intel specifies and licenses Calibre physical verification for tape-out signoff."

### SMIC (mid)  → /smic.md
- note: Supplies EDA tools to smic.
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "SMIC uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "smic specifies and licenses Calibre physical verification for tape-out signoff."
- [confirms] Siemens (EN, ir, published 2025-01-01) https://eda.sw.siemens.com/en-US/ic/calibre-design/physical-verification/: "smic specifies and licenses Calibre physical verification for tape-out signoff."

### 미디어텍 (mid)  → /mediatek.md
- note: Supplies EDA tools to mediatek.
- [confirms] Wikipedia (KO, news, published 2026-01-01) https://ko.wikipedia.org/wiki/멘토_그래픽스: "mediatek designs chips on Siemens EDA (Calibre/Tessent/Questa)."
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "MediaTek uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "mediatek designs chips on Siemens EDA (Calibre/Tessent/Questa)."

### UMC (mid)  → /umc.md
- note: Supplies EDA tools to umc.
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "UMC uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "umc specifies and licenses Calibre physical verification for tape-out signoff."
- [confirms] Siemens (EN, ir, published 2025-01-01) https://eda.sw.siemens.com/en-US/ic/calibre-design/physical-verification/: "umc specifies and licenses Calibre physical verification for tape-out signoff."

### Qualcomm (mid)  → /qualcomm.md
- note: Supplies EDA tools to qualcomm.
- [confirms] Wikipedia (KO, news, published 2026-01-01) https://ko.wikipedia.org/wiki/멘토_그래픽스: "qualcomm designs chips on Siemens EDA (Calibre/Tessent/Questa)."
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "Qualcomm uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "qualcomm designs chips on Siemens EDA (Calibre/Tessent/Questa)."

### NVIDIA (mid)  → /nvidia.md
- note: Supplies EDA tools to nvidia.
- [confirms] Wikipedia (KO, news, published 2026-01-01) https://ko.wikipedia.org/wiki/멘토_그래픽스: "nvidia designs chips on Siemens EDA (Calibre/Tessent/Questa)."
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "NVIDIA uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "nvidia designs chips on Siemens EDA (Calibre/Tessent/Questa)."

### Marvell (mid)  → /marvell.md
- note: Supplies EDA tools to marvell.
- [confirms] Wikipedia (KO, news, published 2026-01-01) https://ko.wikipedia.org/wiki/멘토_그래픽스: "marvell designs chips on Siemens EDA (Calibre/Tessent/Questa)."
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "Marvell uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "marvell designs chips on Siemens EDA (Calibre/Tessent/Questa)."

### AMD (mid)  → /amd.md
- note: Supplies EDA tools to amd.
- [confirms] Wikipedia (KO, news, published 2026-01-01) https://ko.wikipedia.org/wiki/멘토_그래픽스: "amd designs chips on Siemens EDA (Calibre/Tessent/Questa)."
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "AMD uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "amd designs chips on Siemens EDA (Calibre/Tessent/Questa)."

### Apple (mid)  → /apple.md
- note: Supplies EDA tools to apple.
- [confirms] Wikipedia (KO, news, published 2026-01-01) https://ko.wikipedia.org/wiki/멘토_그래픽스: "apple designs chips on Siemens EDA (Calibre/Tessent/Questa)."
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "Apple uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "apple designs chips on Siemens EDA (Calibre/Tessent/Questa)."

### 글로벌파운드리 (mid)  → /globalfoundries.md
- note: Supplies EDA tools to globalfoundries.
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "GlobalFoundries uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "globalfoundries specifies and licenses Calibre physical verification for tape-out signoff."
- [confirms] Siemens (EN, ir, published 2025-01-01) https://eda.sw.siemens.com/en-US/ic/calibre-design/physical-verification/: "globalfoundries specifies and licenses Calibre physical verification for tape-out signoff."

### Broadcom (mid)  → /broadcom.md
- note: Supplies EDA tools to broadcom.
- [confirms] Wikipedia (KO, news, published 2026-01-01) https://ko.wikipedia.org/wiki/멘토_그래픽스: "broadcom designs chips on Siemens EDA (Calibre/Tessent/Questa)."
- [confirms] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "Broadcom uses Siemens EDA tools (Calibre signoff) to design chips."
- [confirms] SemiWiki (EN, research, published 2025-06-01) https://semiwiki.com/wikis/company-wikis/mentor-graphics-wiki/: "broadcom designs chips on Siemens EDA (Calibre/Tessent/Questa)."

### Arm Holdings (mid)  → /arm.md
- note: Supplies EDA tools to arm.
- [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] SemiAnalysis (EN, research, published 2025-09-01) https://newsletter.semianalysis.com/p/eda-market-primer: "Arm uses Siemens EDA tools for IP design and verification."
- [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)."

Reverse side: https://valuechain.wiki/siemens-eda/suppliers.md · Ripple: https://valuechain.wiki/siemens-eda/ripple.md

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