shouldiuse.io

Comparison

Wikidata vs OpenCorporates

Wikidata and OpenCorporates both land on Depends.

Wikidata versus OpenCorporates
CompareWikidataOpenCorporates
VerdictDependsDepends
Best forResearchers and digital humanities projectsKYB/AML compliance teams
Who it's not forBusinesses expecting a guaranteed company listingSales teams wanting emails and phone numbers
PrivacyPublic CVEs exist in the MediaWiki/Wikidata stack; nothing actively exploited; no dedicated security page published.⁵No known public vulnerabilities found in the sources reviewed.
Support qualityCommunity-run; no SLA or support channelDocs and guides exist; no SLA evidence
Public sentimentResearchers and data users value it as powerful free infrastructure, while critics and brands chafe at notability gates, unsourced entries, and lack of control.⁴Feedback volume is sparse; OSINT users praise the data depth while open-data advocates worry about paywalling.12
Biggest gotchaNotability 'bites later': items can be challenged or deleted after you build on themFree tier covers web search only; API access is paid and tiered, costs grow with usage11

Pick Wikidata when

  • Researchers and digital humanities projects
  • Librarians and GLAM institutions
  • Developers needing open structured data
  • Entity/AI-visibility teams with technical skills

When Wikidata is not a fit

  • Businesses expecting a guaranteed company listing
  • Non-technical teams . SPARQL skills required
  • Anyone needing vendor SLAs or support contracts
  • Brands wanting control over their entity data

Pick OpenCorporates when

  • KYB/AML compliance teams
  • OSINT investigators and journalists
  • Data teams resolving legal entities
  • Fintech onboarding and fraud checks

When OpenCorporates is not a fit

  • Sales teams wanting emails and phone numbers
  • Anyone doing occasional lookups . free search suffices
  • Small businesses needing basic company checks
  • Teams needing real-time credit or financial data

Sources

  1. A systematic review of Wikidata in librariessciencedirect.com
    review
  2. A systematic review of Wikidata in Digital Humanities projectsacademic.oup.com
    review
  3. A Study of the Quality of Wikidatawikidataworkshop.github.io
    review
  4. Unsourced, unreliable, and in your face forever (The Register)theregister.com
    news
  5. CVE-2019-19329: Wikidata Query GUI XSSstrix.ai
    security
  6. NVD-CVE-2025-32071nvd.nist.gov
    security
  7. Wikidata Query Service User-Agent requirementslists.wikimedia.org
    official
  8. Wikidata:Data accesswikidata.org
    official
  9. Wikimedia Enterprise pricingenterprise.wikimedia.com
    official
  10. Can I request a page about me be removed? (Reddit)reddit.com
    review
  11. OpenCorporates Pricingopencorporates.com
    official
  12. OpenCorporates Trustpilot reviewstrustpilot.com
    review
  13. How does OpenCorporates source its data? . r/OSINTreddit.com
    review
  14. OpenCorporates.com: is it no longer open? . GitHub discussiongithub.com
    review
  15. Built an alternative to OpenCorporates . r/datasetsreddit.com
    review
  16. 5 Best Alternatives to OpenCorporates . Veridionveridion.com
    review