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Plm (Siemens Teamcenter) vs Openbom

Plm (Siemens Teamcenter) and Openbom both land on Depends.

Openbom

openbom.com

Depends
Confidence: Medium

Buy it if you're a hardware startup or SMB manufacturer outgrowing spreadsheet BOMs, especially on SolidWorks, Fusion 360, or Onshape.

Read the full report

Plm (Siemens Teamcenter) versus Openbom
ComparePlm (Siemens Teamcenter)Openbom
VerdictDependsDepends
Best forLarge manufacturersHardware startups
Who it's not forHardware startups and small shopsSoftware-only teams chasing SBOM compliance . name confusion, wrong category
PrivacyNo Siemens-specific public vulnerabilities found in sources reviewed; 2026 Cl0p attacks hit rival PLM products (PTC Windchill FlexPLM, Oracle Agile PLM), showing PLM systems are a targeted attack surface.12No known public vulnerabilities found in the sources reviewed.
Support qualityNo support evidence in sourcesNo direct evidence in sources
Public sentimentReviewers rank Teamcenter as the category leader, while engineers and small firms complain traditional PLM is complex, hard to integrate, and costly to customize.²Reviews praise simplicity and CAD fit, but much visible praise is vendor-published; Reddit threads are mostly inquiries, not complaints.13
Biggest gotchaBudget for implementation and customization; license price is only part of total cost⁹Bills combine seats with data-record counts; growing usage raises costs beyond headcount

Pick Plm (Siemens Teamcenter) when

  • Large manufacturers
  • Multi-CAD engineering orgs
  • Teams needing design reviews and BOM control
  • Aerospace and regulated industries

When Plm (Siemens Teamcenter) is not a fit

  • Hardware startups and small shops
  • Anyone wanting self-serve pricing or a free tier
  • Teams without dedicated PLM admins
  • Simple BOM needs . use a spreadsheet

Pick Openbom when

  • Hardware startups
  • Small/mid manufacturers
  • CAD-centric teams (SolidWorks, Fusion 360, Onshape)
  • Teams outgrowing Excel BOMs

When Openbom is not a fit

  • Software-only teams chasing SBOM compliance . name confusion, wrong category
  • Buyers wanting flat, predictable per-seat billing
  • Solo makers with a 20-row parts list . a spreadsheet is cheaper and fine

Sources

  1. What PLM software outperformed 97 others? (Teamcenter #1 on G2)prolim.com
    review
  2. Best PLM Software . G2 categoryg2.com
    review
  3. Teamcenter is #1 PLM software on G2 (Siemens blog)blogs.sw.siemens.com
    official
  4. Why PLM for design reviews? (Siemens blog)blogs.sw.siemens.com
    official
  5. Teamcenter on Cloud reviews . AWS Marketplaceaws.amazon.com
    review
  6. Why is a PLM with an open API this hard to find? . Reddit r/automationreddit.com
    review
  7. The Fundamental Challenges of Traditional PLM Systems . OpenBOMopenbom.com
    review
  8. Pricing and cost experiences for Siemens Teamcenter . PeerSpotpeerspot.com
    review
  9. PLM Customization . is it worth the investment?plmnordic.com
    review
  10. SaaS PLM Solutions for Manufacturers (Siemens white paper)resources.sw.siemens.com
    official
  11. Security page . plm.automation.siemens.complm.automation.siemens.com
    official
  12. Cl0p exploits PTC Windchill FlexPLM vulnerabilitylinkedin.com
    news
  13. OpenBOM Reviews 2026 . G2g2.com
    review
  14. Review: openBOM.com . DEVELOP3Ddevelop3d.com
    review
  15. OpenBOM with SolidWorks? . Redditreddit.com
    review
  16. PLM or openbom experiences? . Reddit r/hwstartupsreddit.com
    review