VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Tuesday, January 6, 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
Comparison highlights
- Tool score: the chart below shows community vote sentiment over the last 8 weeks. Use it as a signal, not a verdict.
- Overlap: both cover Data APIs.
- Coverage tilt: OpenCorporates has 2 categories you won't get in Semrush; Semrush has 4 unique categories.
- Platforms: OpenCorporates runs on Web, API; Semrush runs on Web, Mobile, API.
Vote sentiment comparison
Cumulative positive vote share. Loading fresh totals...
Side-by-side metrics
| Attribute | OpenCorporates | Semrush |
|---|---|---|
Asset types Supported asset classes and universes | Other | Other |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Platforms Where you can access the product | Web, API | Web, Mobile, API |
Pricing High-level pricing models | Free, Subscription | Free, Subscription |
Tested Verified by hands-on testing inside Find My Moat | Not yet | Not yet |
Editor pick Featured inside curated shortlists | Standard listing | Standard listing |
Coverage overlap
OpenCorporates strengths
Categories covered by OpenCorporates but not Semrush.
Semrush strengths
Categories covered by Semrush but not OpenCorporates.
Frequently Asked Questions
Which workflows do OpenCorporates and Semrush both support?
Both platforms cover Data APIs workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do OpenCorporates and Semrush require subscriptions?
Both OpenCorporates and Semrush keep freemium access with optional paid upgrades, so you can trial each platform before committing.
Which tool has mobile access?
Semrush ships a dedicated mobile experience, while OpenCorporates focuses on web or desktop access.
What unique strengths set the two platforms apart?
OpenCorporates differentiates itself with 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links., Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day)., and OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers., whereas Semrush stands out for Traffic Analytics tools to examine any website’s visitors, sources, engagement metrics, and competitive benchmarks., 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)., and API consumption billed in ‘units’ per request or per line of data. Historical queries cost more; some APIs like Listing Management and Map Rank Tracker are excluded from unit billing..
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
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Overlap: App & Website Traffic, Data APIs, and APIs & SDKs.
App & Website TrafficData APIsAPIs & SDKs - OpenBB
Overlap: APIs & SDKs, Sheets / Excel Add-ins, and Data APIs.
APIs & SDKsSheets / Excel Add-insData APIs - SS&C Black Diamond Wealth Solutions
Overlap: APIs & SDKs, Regulatory Filings Monitoring, and Blogs.
APIs & SDKsRegulatory Filings MonitoringBlogs - Visible Alpha
Overlap: Data APIs, APIs & SDKs, and Sheets / Excel Add-ins.
Data APIsAPIs & SDKsSheets / Excel Add-ins
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.