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Head-to-head · Web Data Providers Software

OpenCorporates vs Censys Attack Surface Management

  • Updated Oct 2026
  • Both researched from official sources
Higher score OpenCorporates #3 in Web Data Providers Software 9.0/10 Paid ✓ 0 of 2 features Visit OpenCorporates

Our verdict

  • Highest scoreOpenCorporates · 9.0/10

OpenCorporates scores higher on our rubric for web data providers software: 9.0 against 8.2 out of 10; our editors rank them #3 and #6.

OpenCorporates is the better fit for teams verifying companies and ownership across jurisdictions. Censys Attack Surface Management is the better fit for enterprise external attack-surface data.

  • OpenCorporates fits best

    Teams verifying companies and ownership across jurisdictions

  • Censys Attack Surface Management fits best

    Enterprise external attack-surface data

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Side by side

Feature OpenCorporates 9.0/10 Visit ↗ Censys Attack Surface Management 8.2/10 Visit ↗
At a glance
Editor score 9.0 8.2
Ranking #3 in Web Data Providers Software #6 in Web Data Providers Software
Best for Teams verifying companies and ownership across jurisdictions Enterprise external attack-surface data
Pricing model Paid Paid
Starting price £2,250/yr Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Docs Email, Docs
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features OpenCorporates 0/2 · Censys Attack Surface Management 0/2
Historical data Not checked yet Not checked yet
Custom datasets Not checked yet Not checked yet
Specs
Data delivery Not checked yet Not checked yet
Refresh frequency Not checked yet Not checked yet
Geographic coverage Not checked yet Not checked yet
Data categories Not checked yet Not checked yet
Our review
Pros
  • Company and officer searches with filters across jurisdictions and other fields
  • Records include filings, officers, beneficial owners and corporate relationships
  • Source-registry links and API or SFTP delivery support data workflows
  • Continuously discovers and monitors internet-facing assets and exposure changes
  • AWS, Google Cloud, and Azure connectors provide cloud asset visibility
  • API, alerts, and security-tool integrations support remediation workflows
Cons
  • Essentials starts at £2,250 per year
  • Essentials allows up to 500 API calls per month and 200 per day
  • Support is listed through documentation
  • Pricing is sales-led, with no published plan prices or asset quotas
  • Cloud deployment may not suit teams seeking another deployment option
  • Mid-market and enterprise fit may exceed smaller teams’ needs
Our verdict

OpenCorporates provides searchable legal-entity information collected from official sources across more than 140 jurisdictions. Company and officer searches, filings, ownership details and corporate relationships make it relevant to teams…

Read the review →

Censys Attack Surface Management discovers and monitors an organization’s internet-facing hosts, domains, certificates, services, and cloud resources. Its external scanning and attribution build an asset inventory, while risk…

Read the review →
  1. OpenCorporatesWeb Data Providers Software 9.0Paid
  2. Censys Attack Surface ManagementWeb Data Providers Software 8.2Pricing on request

Strengths and trade-offs

  • OpenCorporates — where it wins

    • Company and officer searches with filters across jurisdictions and other fields
    • Records include filings, officers, beneficial owners and corporate relationships
    • Source-registry links and API or SFTP delivery support data workflows

    Where it doesn't

    • Essentials starts at £2,250 per year
    • Essentials allows up to 500 API calls per month and 200 per day
    • Support is listed through documentation
  • Censys Attack Surface Management — where it wins

    • Continuously discovers and monitors internet-facing assets and exposure changes
    • AWS, Google Cloud, and Azure connectors provide cloud asset visibility
    • API, alerts, and security-tool integrations support remediation workflows

    Where it doesn't

    • Pricing is sales-led, with no published plan prices or asset quotas
    • Cloud deployment may not suit teams seeking another deployment option
    • Mid-market and enterprise fit may exceed smaller teams’ needs
  • OpenCorporates9.0/10 · Paid

    A global company-data service with registry provenance, filters and API access.

    Visit OpenCorporatesFull verdict →
  • Censys Attack Surface Management8.2/10 · Pricing on request

    Continuous asset discovery, exposure analysis, and remediation workflows for security teams.

    Visit CensysFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update