The Best OpenCorporates Alternative for U.S. Business Entity Search

Published 2026-04-11 by OpenSOSData

OpenCorporates is the most well-known corporate data API, offering company records from over 140 jurisdictions worldwide. For teams that specifically need U.S. Secretary of State records, it may not be the most cost-effective option.

OpenCorporates: Strengths and Weaknesses

OpenCorporates excels at global coverage. If you need to verify companies in the UK, EU, or international jurisdictions, it is a solid choice.

However, for U.S.-specific use cases:

OpenSOSData: Purpose-Built for U.S. SOS Data

When to Use Which

Global corporate data across dozens of countries? OpenCorporates. U.S. Secretary of State entity lookups at scale? OpenSOSData is 16x cheaper and purpose-built.

Full comparison: OpenSOSData vs OpenCorporates.

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