Tool Comparison
Ahrefs vs OpenCorporates
- Paid from
- $29/mo
- Free plan
- Yes
- Platforms
- Web, API
Best if
- Delayed quotes won't cut it; you need real-time data
- You want app & website traffic.
- Paid from
- On request
- Free plan
- Yes
- Platforms
- Web, API
Best if
- You want regulatory filings monitoring and other.
Pick Ahrefs if
Ahrefs
Free • From $29/mo · Web · API
- Delayed quotes won't cut it; you need real-time data
- You want app & website traffic.
Pick OpenCorporates if
OpenCorporates
Free • Contact for pricing · Web · API
- You want regulatory filings monitoring and other.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
Ahrefs includes app & website traffic, and OpenCorporates includes regulatory filings monitoring and other. On paper they're closely matched, so let pricing, platform fit, and the details below break the tie.
What readers say
Ahrefs
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OpenCorporates
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What Ahrefs does best
- Use Site Explorer to inspect estimated organic and paid traffic, top pages, search visibility, and backlinks.
- Compare traffic estimates for many domains with Website Traffic Checker and bulk checks.
- Use Keywords Explorer, Content Explorer, Rank Tracker, and Site Audit to follow demand and visibility changes.
- Verified sites get limited Site Explorer, Site Audit, and Web Analytics access through the free Webmaster Tools plan.
- Web Analytics provides first-party data for sites you own or verify.
What OpenCorporates does best
- Search more than 200 million company records collected from official sources, with provenance and source links.
- Use a versioned REST API with API-key authentication and JSON or XML output for company and officer data.
- Match company names to legal identifiers with the OpenRefine Reconciliation API.
- Receive bulk CSV datasets through SFTP for companies, officers, addresses, alternative names, identifiers, and relationships.
- Map subsidiaries, branches, control statements, and shareholdings with the relationships dataset.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $29/mo | Free • Contact for pricing |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | 59 limits: Ahrefs Free: verified websites: Unlimited, Ahrefs Free: web analytics events per project per month: 1,000,000 +57 more | 9 limits: Essentials (API): api calls per month: 500, Essentials (API): api calls per day: 200 +7 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | — | No |
Integrations | Google Search Console, Google Looker Studio +1 more | OpenRefine |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 2 | 3 |
Regions | — | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | Latency: Real-time | Latency: End of Day and Granularity: EOD |
Security | — | Status page |
| Try it | Visit Ahrefs | Visit OpenCorporates |
Standout features
The best features of Ahrefs and OpenCorporates.ShowHide
Standout features
What Ahrefs does best
- Use Site Explorer to inspect estimated organic and paid traffic, top pages, search visibility, and backlinks.
- Compare traffic estimates for many domains with Website Traffic Checker and bulk checks.
- Use Keywords Explorer, Content Explorer, Rank Tracker, and Site Audit to follow demand and visibility changes.
- Verified sites get limited Site Explorer, Site Audit, and Web Analytics access through the free Webmaster Tools plan.
- Web Analytics provides first-party data for sites you own or verify.
What OpenCorporates does best
- Search more than 200 million company records collected from official sources, with provenance and source links.
- Use a versioned REST API with API-key authentication and JSON or XML output for company and officer data.
- Match company names to legal identifiers with the OpenRefine Reconciliation API.
- Receive bulk CSV datasets through SFTP for companies, officers, addresses, alternative names, identifiers, and relationships.
- Map subsidiaries, branches, control statements, and shareholdings with the relationships dataset.
All details
Every attribute we track for Ahrefs and OpenCorporates.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Other | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | Not specified | North AmericaEuropeAPACLatAmMiddle EastAfrica |
| Data | ||
Data freshness | Real-time | End of Day |
Data granularity | Not specified | EOD |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKey60 req/minDocs | Auth: APIKey |
Integrations | Google Search ConsoleGoogle Looker StudioGoogle Sheets | OpenRefine |
Export formats | CSVPDF | CSVJSON |
| Plans & trust | ||
Security & compliance | Not specified | Status page |
Vendor & support | Ahrefs Pte. Ltd.Country: SingaporeSupport: Email and Chat | OpenCorporates LtdCountry: United KingdomFounded 2010Support: Email |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Free“Ahrefs Free”verified websites: Unlimited · web analytics events per project per month: 1,000,000 · +4 more | Free“Free (personal & public-benefit use)” |
| Entry paid plan | $29/mo“Starter”credits per month: 200 · unverified projects: 1 · +5 more | £225/mo“Essentials (API)”api calls per month: 500 · api calls per day: 200 · +1 more |
| Tier 2 | $129/mo“Lite”projects: 5 · historical data: 6 months · +10 more | £660/mo“Starter (API)”api calls per month: 2,500 · api calls per day: 500 · +1 more |
| Tier 3 | $249/mo“Standard”projects: 20 · historical data: 2 years · +10 more | £1200/mo“Basic (API)”api calls per month: 5,000 · api calls per day: 1,000 · +1 more |
| Tier 4 | $449/mo“Advanced”projects: 50 · historical data: 5 years · +10 more | — |
| Top plan | $1499/mo“Enterprise”included users: From 3 · additional users max: Unlimited · +8 more | — |
| Custom / enterprise | — | Contact sales“Enterprise Bulk (SFTP CSV datasets)” |
Alternatives
Free alternatives
Questions we keep getting
What's the difference between Ahrefs and OpenCorporates?
Ahrefs leans toward app & website traffic and APIs & data feeds, while OpenCorporates puts more weight on APIs & data feeds, regulatory filings monitoring, and other. They overlap in 1 categories, so for most people it comes down to workflow preference and price.
How much do Ahrefs and OpenCorporates cost?
Good news: both Ahrefs and OpenCorporates have free plans, so you can run them side by side and only pay if you hit a wall.
Do Ahrefs and OpenCorporates have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose Ahrefs or OpenCorporates?
It depends on what you're after. Pick Ahrefs if app & website traffic matter to you; go with OpenCorporates if you'd rather have regulatory filings monitoring and other. And if you only need the basics both share, let price decide.
Does Ahrefs or OpenCorporates have real-time data?
Ahrefs offers real-time data, which matters if you trade actively. OpenCorporates runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from Ahrefs and OpenCorporates?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
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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.