VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Saturday, April 4, 2026
Tool Comparison
OpenCorporates vs Semrush comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
OpenCorporates
opencorporates.com
At a glance
Tool
OpenCorporates
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Starting price
Plans & pricing
Tool
Semrush
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Starting price
Plans & pricing
Vote sentiment comparison
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Platform details
| Attribute | OpenCorporates | Semrush |
|---|---|---|
Asset types | Other | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Data freshness | End of Day | Not specified |
API access | REST | REST |
Export formats | CSVJSON | CSVExcelPDFJSON |
Coverage overlap
Categories covered by OpenCorporates only.
Categories covered by Semrush only.
Frequently Asked Questions
What's the difference between OpenCorporates and Semrush?
OpenCorporates focuses on Data APIs, Regulatory Filings Monitoring, and Other while Semrush specializes in App & Website Traffic, Data APIs, and APIs & SDKs. They overlap in 1 categories, so choose based on your preferred workflow and pricing.
How much do OpenCorporates and Semrush cost?
Good news—both OpenCorporates and Semrush offer free plans. You can try each platform without commitment and only pay when you need premium features.
Can I use OpenCorporates or Semrush on my phone?
Semrush has a mobile app so you can check your research on the go. OpenCorporates is web-only, so you'll need a browser to access it from mobile devices.
Do OpenCorporates and Semrush have APIs?
Yes, both platforms offer API access for developers and quants who want to build custom integrations or automate their workflows.
Should I choose OpenCorporates or Semrush?
Choose OpenCorporates if you need 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links., and Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day).. Go with Semrush if Traffic Analytics tools to examine any website’s visitors, sources, engagement metrics, and competitive benchmarks., and Rich API suite: Analytics and Projects APIs (Business plan), Trends API, Listing Management, and Map Rank Tracker. Current versions support API key (v3) and OAuth 2.0 with JSON (v4). better fits how you invest.
Can I export data from OpenCorporates and Semrush?
Both platforms let you export data to spreadsheets (CSV, and JSON). This is useful for custom analysis or record-keeping.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.