VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Wednesday, June 3, 2026
Tool Comparison · Wednesday, June 3, 2026
OpenCorporates vs PCAOB AuditorSearch
OpenCorporates vs PCAOB AuditorSearch: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
OpenCorporates
opencorporates.com
Best for data apis, and other
- Pricing
- Free
- Platforms
- Web, API
PCAOB AuditorSearch
pcaobus.org
Best for official sources
- Pricing
- Free
- Platforms
- Web
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
OpenCorporates if…
- You build with APIs or automate workflows
- You want pro-level depth and configurability
- You need public api portal advertises 200m+ company records, aggregated from official registries with provenance and source links.
- You need versioned rest api with json (default) or xml output; api keys required. free tier provides up to 200 requests per month (50 per day).
Choose
PCAOB AuditorSearch if…
- You need public database of engagement partners and audit firms participating in audits of u.s. public companies.
- You need search by issuer (name, cik, ticker), audit firm (name, pcaob id, country), engagement partner, and filing date range (advanced search).
- You need find the engagement partner on a specific audit and see other participating audit firms, including their location and extent of participation.
- You need data is compiled from form ap filings submitted by registered firms for each audit report issued for a public company.
Consider alternatives if…
- You want broader category coverage in one tool.
- Neither pricing tier fits your budget.
Side-by-side feature breakdown
| Attribute | OpenCorporates | PCAOB AuditorSearch |
|---|---|---|
Asset types | Other | Stocks |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediate |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | Not specified |
Data freshness | End of Day | Not specified |
API access | REST | Not specified |
Export formats | CSVJSON | CSV |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
OpenCorporates
—
Starting price
Plans & pricing
Tool
PCAOB AuditorSearch
—
Starting price
Plans & pricing
Coverage overlap
Categories where both tools offer overlapping coverage.
Vote sentiment comparison
Loading sentiment chart...
Still deciding? Get hands-on with both — most plans offer a free tier or trial.
Frequently Asked Questions
What's the difference between OpenCorporates and PCAOB AuditorSearch?
OpenCorporates focuses on Data APIs, Regulatory Filings Monitoring, and Other while PCAOB AuditorSearch specializes in Regulatory Filings Monitoring, and Official Sources. They overlap in 1 categories, so choose based on your preferred workflow and pricing.
How much do OpenCorporates and PCAOB AuditorSearch cost?
Good news—both OpenCorporates and PCAOB AuditorSearch offer free plans. You can try each platform without commitment and only pay when you need premium features.
Which is better for beginners—OpenCorporates or PCAOB AuditorSearch?
Both platforms target experienced investors. If you're just starting out, expect a learning curve with either option.
Does OpenCorporates or PCAOB AuditorSearch have an API?
OpenCorporates provides API access for programmatic data retrieval and custom integrations. PCAOB AuditorSearch doesn't currently offer an API, so you'll need to use their web interface.
Should I choose OpenCorporates or PCAOB AuditorSearch?
Choose OpenCorporates if you need Public API portal advertises 200M+ company records, aggregated from official registries with 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 PCAOB AuditorSearch if Public database of engagement partners and audit firms participating in audits of U.S. public companies., and Search by issuer (name, CIK, ticker), audit firm (name, PCAOB ID, country), engagement partner, and filing date range (advanced search). better fits how you invest.
What asset classes do OpenCorporates and PCAOB AuditorSearch cover?
Both cover common asset types. OpenCorporates also includes Other. PCAOB AuditorSearch adds coverage for Stocks.
Can I export data from OpenCorporates and PCAOB AuditorSearch?
Both platforms let you export data to spreadsheets (CSV). 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.