VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Thursday, February 19, 2026

Tool Comparison

OpenCorporates vs PCAOB AuditorSearch comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

OpenCorporates logo

OpenCorporates

opencorporates.com

PricingFree, Subscription
PlatformsWeb, API
PCAOB AuditorSearch logo

PCAOB AuditorSearch

pcaobus.org

PricingFree
PlatformsWeb
Top 50 Investing ToolsThe global ranking of the best investing tools, ranked by community votes.

At a glance

Platforms
OpenCorporatesWeb, API
PCAOB AuditorSearchWeb
Categories
OpenCorporates3
PCAOB AuditorSearch1
Pricing details

Tool

OpenCorporates

Starting price

Free tierYes
Free trial

Plans & pricing

Free (personal & public-benefit use)Free
Essentials (API)Subscription
Starter (API)Subscription
Enterprise Bulk (SFTP CSV datasets)Subscription

Tool

PCAOB AuditorSearch

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree

Vote sentiment comparison

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Platform details

AttributeOpenCorporatesPCAOB 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

Coverage overlap

Shared categories1

Categories where both tools offer overlapping coverage.

OpenCorporates strengths2

Categories covered by OpenCorporates only.

PCAOB AuditorSearch strengths0

Categories covered by PCAOB AuditorSearch only.

No unique categories.

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. 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 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 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.

Keep Exploring

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.