BEST INVESTING TOOLS COMPARISON

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Checked September 24, 2026

Tool Comparison

Find and update company information (Companies House) vs Open Payments (CMS)

Paid from
—
Free plan
Yes
Platforms
Web, API

Best if

  • Delayed quotes won't cut it; you need real-time data
  • You want alerts.
Paid from
—
Free plan
Yes
Platforms
Web, API

Best if

  • You want data visualizations.

Pick Find and update company information (Companies House) if

Find and update company information (Companies House) logo

Find and update company information (Companies House)

find-and-update.company-information.service.gov.uk

Free · Web · API

  • Delayed quotes won't cut it; you need real-time data
  • You want alerts.

Pick Open Payments (CMS) if

Open Payments (CMS) logo

Open Payments (CMS)

openpaymentsdata.cms.gov

Free · Web · API

  • You want data visualizations.

Skip both if: Neither one clicks with how you research; there are strong third options.

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Our take

The bottom line

Find and update company information (Companies House) and Open Payments (CMS) cover a lot of the same ground (3 shared categories, regulatory filings monitoring, APIs & data feeds, and official sources), so for the basics you won't go far wrong with either. Find and update company information (Companies House) includes alerts, and Open Payments (CMS) includes data visualizations.

What readers say

Find and update company information (Companies House)

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Open Payments (CMS)

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Key differences at a glance

Real-time data
Find and update company information (Companies House)
Global coverage
Find and update company information (Companies House)
Free plan
Both
See the full side-by-side table
Find and update company information (Companies House) logo

What Find and update company information (Companies House) does best

  1. Search across the official UK register for active and dissolved companies, registered details, company status, filing history, officers, charges, insolvency records, and document images.
  2. Review accounts, confirmation statements, incorporation documents, officer appointments, mortgage charges, and other filings from the company record.
  3. Persons with significant control when ownership or control context matters for diligence, supplier review, or private-company research.
  4. Monitor companies and receive email alerts when new filings are accepted, with direct links back to the filing history.
  5. Advanced search filters for company status, dates, filing types, directors, and other register fields where available.
Open Payments (CMS) logo

What Open Payments (CMS) does best

  1. Search tools across official Sunshine Act records for payments and ownership interests reported by drug manufacturers, device manufacturers, and group purchasing organizations.
  2. Comparison tools for General Payments, Research Payments, and Ownership or Investment Interests across program years.
  3. Lookup tools for physicians, non-physician practitioners, teaching hospitals, manufacturers, products, payment categories, dates, and dollar amounts from the public web tool.
  4. Charts, filters, and downloadable tables to move from a provider, company, or product question into the underlying records.
  5. Download support for bulk datasets when healthcare, pharma, medtech, policy, or compliance workflows need repeatable offline analysis.

Side by side

Pricing & plans
Starting price
Free
Free
Free tier
Yes
Yes
Free trial
—
—
Platforms & access
Web app
Yes
Yes
Mobile app
No
No
API access
Yes
Yes
Broker sync
No
—
Coverage & data
Asset types
Other
Other
Data freshness
Real-timeStreaming
Not specified
Export formats
PDFCSV
CSVJSON

Pricing comparison

See for yourself

Side by side

Price, platforms, data, and market coverage.
Show
Side-by-side comparison of Find and update company information (Companies House) and Open Payments (CMS)
Attribute
Find and update company information (Companies House) logo
Find and update company information (Companies House)
Open Payments (CMS) logo
Open Payments (CMS)
Pricing & plans
Starting price
FreeFree
Free tier
YesYes
Free trial
——
Plan limits
Free: api rate limit: 600 requests per 5 minutes—
Platforms & access
Web app
YesYes
Mobile app
NoNo
API access
YesYes
Broker sync
No—
Audience & fit
Experience level
Beginner, Intermediate, AdvancedBeginner, Intermediate, Advanced
Best for
——
Categories covered
44
Regions
EuropeNorth America
Data & capabilities
Data quality
3 signals: Latency: Real-time and Streaming, Corporate actions: Current +1 more—
Try itVisit Find and update company information (Companies House)Visit Open Payments (CMS)

Standout features

The best features of Find and update company information (Companies House) and Open Payments (CMS).
Show
Find and update company information (Companies House) logo

What Find and update company information (Companies House) does best

  1. Search across the official UK register for active and dissolved companies, registered details, company status, filing history, officers, charges, insolvency records, and document images.
  2. Review accounts, confirmation statements, incorporation documents, officer appointments, mortgage charges, and other filings from the company record.
  3. Persons with significant control when ownership or control context matters for diligence, supplier review, or private-company research.
  4. Monitor companies and receive email alerts when new filings are accepted, with direct links back to the filing history.
  5. Advanced search filters for company status, dates, filing types, directors, and other register fields where available.
Open Payments (CMS) logo

What Open Payments (CMS) does best

  1. Search tools across official Sunshine Act records for payments and ownership interests reported by drug manufacturers, device manufacturers, and group purchasing organizations.
  2. Comparison tools for General Payments, Research Payments, and Ownership or Investment Interests across program years.
  3. Lookup tools for physicians, non-physician practitioners, teaching hospitals, manufacturers, products, payment categories, dates, and dollar amounts from the public web tool.
  4. Charts, filters, and downloadable tables to move from a provider, company, or product question into the underlying records.
  5. Download support for bulk datasets when healthcare, pharma, medtech, policy, or compliance workflows need repeatable offline analysis.

All details

Every attribute we track for Find and update company information (Companies House) and Open Payments (CMS).
Show
Attribute
Find and update company information (Companies House) logo
Find and update company information (Companies House)
Open Payments (CMS) logo
Open Payments (CMS)
Coverage & fit
Asset types
Other
Other
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
Europe
North America
Coverage details
Countries: GB
Countries: US
Data
Data freshness
Real-timeStreaming
Not specified
Access & integrations
API protocols
REST
REST
API auth & delivery
Auth: APIKey and OAuth2120 req/min
Auth: None
Export formats
PDFCSV
CSVJSON
Plans & trust
Vendor & support
Companies House (Executive agency of the UK Government)Country: United KingdomSupport: Email and Phone
Centers for Medicare & Medicaid Services (CMS), U.S. Department of Health & Human ServicesCountry: USSupport: Email and Phone
Curation ratings
Methodology 5/5Reliability 5/5UX 4/5
Methodology 5/5Reliability 5/5UX 4/5

Green tags are exclusive to that tool in this comparison.

Pricing

Plans, billing, free trials, and monthly prices.
Show
Plan-by-plan pricing comparison of Find and update company information (Companies House) and Open Payments (CMS)
Tier
Find and update company information (Companies House) logo
Find and update company information (Companies House)
Open Payments (CMS) logo
Open Payments (CMS)
Free plan
Freeapi rate limit: 600 requests per 5 minutes
Free

Questions we keep getting

What's the difference between Find and update company information (Companies House) and Open Payments (CMS)?

Find and update company information (Companies House) leans toward regulatory filings monitoring, alerts, and APIs & data feeds, while Open Payments (CMS) puts more weight on APIs & data feeds, data visualizations, and regulatory filings monitoring. They overlap in 3 categories, so for most people it comes down to workflow preference and price.

How much do Find and update company information (Companies House) and Open Payments (CMS) cost?

Good news: both Find and update company information (Companies House) and Open Payments (CMS) have free plans, so you can run them side by side and only pay if you hit a wall.

Do Find and update company information (Companies House) and Open Payments (CMS) have APIs?

Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.

Should I choose Find and update company information (Companies House) or Open Payments (CMS)?

It depends on what you're after. Pick Find and update company information (Companies House) if alerts matter to you; go with Open Payments (CMS) if you'd rather have data visualizations. And if you only need the basics both share, let price decide.

Does Find and update company information (Companies House) or Open Payments (CMS) have real-time data?

Find and update company information (Companies House) offers real-time data, which matters if you trade actively. Open Payments (CMS) 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.

Which covers international markets: Find and update company information (Companies House) or Open Payments (CMS)?

Find and update company information (Companies House) has documented international coverage (Europe), so it's the safer bet if you hold non-US stocks. Open Payments (CMS) is more region-specific, mainly North America.

Can I export data from Find and update company information (Companies House) and Open Payments (CMS)?

Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.

Feedback

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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.