★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: EMMA checked July 18, 2026
Tool Comparison
EMMA vs Find and update company information (Companies House)
Pick EMMA if
EMMA
Free · Web
- You care about new issues & calendars, credit ratings & outlooks, and data visualizations, things Find and update company information (Companies House) doesn't offer
Pick Find and update company information (Companies House) if
Find and update company information (Companies House)
Free · Web · API
- You want an API so you can script or automate things
- You care about APIs & data feeds, something EMMA doesn't offer
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
EMMA and Find and update company information (Companies House) cover a lot of the same ground (3 shared categories, regulatory filings monitoring, alerts, and official sources), so for the basics you won't go far wrong with either. The real difference is focus: only EMMA gives you new issues & calendars and credit ratings & outlooks, and only Find and update company information (Companies House) gives you APIs & data feeds.
What readers say
EMMA
Vote once to reveal the community verdict.
Find and update company information (Companies House)
Vote once to reveal the community verdict.
Key differences at a glance
- Global coverage
- Find and update company information (Companies House)
- API access
- Find and update company information (Companies House)
- Free plan
- Both
See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free | Free |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | — | Free: api rate limit: 600 requests per 5 minutes |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | Yes |
Broker sync | — | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Analysts +3 more | — |
Categories covered | 6 | 4 |
Regions | North America | Europe |
| Data & capabilities | ||
Data quality | Latency: Real-time | 3 signals: Latency: Real-time and Streaming, Corporate actions: Current +1 more |
| Try it | Visit EMMA | Visit Find and update company information (Companies House) |
Where each one shines
What EMMA and Find and update company information (Companies House) each do best.ShowHide
Where each one shines
What EMMA and Find and update company information (Companies House) each do best.What EMMA does best
- Search municipal securities by identifier or name and review security and issuer information.
- Disseminated real-time trade prices and a price-discovery tool for comparing similar municipal securities.
- Official statements, continuing disclosure documents, credit ratings, and issuer homepages.
- New-issue calendar, recently sold issues, market statistics, and continuing-disclosure trends.
- Free MyEMMA profiles and alerts for selected securities.
What Find and update company information (Companies House) does best
- Search tools across the official UK register for active and dissolved companies, registered details, company status, filing history, officers, charges, insolvency records, and document images.
- Views for reviewing accounts, confirmation statements, incorporation documents, officer appointments, mortgage charges, and other filings from the company record.
- Persons with significant control when ownership or control context matters for diligence, supplier review, or private-company research.
- Monitoring companies and receive email alerts when new filings are accepted, with direct links back to the filing history.
- Advanced search filters for company status, dates, filing types, directors, and other register fields where available.
Every detail we compared
Every tracked attribute for EMMA and Find and update company information (Companies House), side by side.ShowHide
Every detail we compared
Every tracked attribute for EMMA and Find and update company information (Companies House), side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Bonds | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersAnalystsInstitutional InvestorsFinancial AdvisorsStudents/Researchers | Not specified |
Regions | North America | Europe |
Coverage details | Countries: USIdentifiers: CUSIP | Countries: GB |
| Data | ||
Data freshness | Real-time | Real-timeStreaming |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: APIKey and OAuth2120 req/min |
Export formats | Not specified | PDFCSV |
| Plans & trust | ||
Vendor & support | Municipal Securities Rulemaking Board (MSRB)Country: USSupport: Email and Phone | Companies House (Executive agency of the UK Government)Country: United KingdomSupport: Email and Phone |
Curation ratings | Not specified | Methodology 5/5Reliability 5/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.| Tier | ||
|---|---|---|
| Free plan | Free“Public EMMA access” | Freeapi rate limit: 600 requests per 5 minutes |
Questions we keep getting
What's the difference between EMMA and Find and update company information (Companies House)?
EMMA leans toward new issues & calendars, credit ratings & outlooks, and regulatory filings monitoring, while Find and update company information (Companies House) puts more weight on regulatory filings monitoring, alerts, and APIs & data feeds. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do EMMA and Find and update company information (Companies House) cost?
Good news: both EMMA and Find and update company information (Companies House) have free plans, so you can run them side by side and only pay if you hit a wall.
Does EMMA or Find and update company information (Companies House) have an API?
Find and update company information (Companies House) has an API for programmatic access and custom integrations. EMMA doesn't, so you're working through its interface.
Should I choose EMMA or Find and update company information (Companies House)?
It depends on what you're after. Pick EMMA if new issues & calendars and credit ratings & outlooks matter to you; go with Find and update company information (Companies House) if you'd rather have APIs & data feeds. And if you only need the basics both share, let price decide.
What asset classes do EMMA and Find and update company information (Companies House) cover?
EMMA covers bonds. Find and update company information (Companies House) covers other.
Do EMMA and Find and update company information (Companies House) offer real-time data?
Yes, both serve real-time market data, so either works when timing matters.
Which covers international markets: EMMA or Find and update company information (Companies House)?
Find and update company information (Companies House) has documented international coverage (Europe), so it's the safer bet if you hold non-US stocks. EMMA is more region-specific, mainly North America.
Can I export data from EMMA and Find and update company information (Companies House)?
Find and update company information (Companies House) exports to CSV. EMMA is stingier about getting data out.
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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.