★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: Changeflow (Trackly) checked August 4, 2026
Tool Comparison
Changeflow (Trackly) vs Find and update company information (Companies House)
Start here
Changeflow (Trackly)
Free • From $1188/yr · Web · API · Other
- You care about news, insider data, and institutional ownership, things Find and update company information (Companies House) doesn't offer
Pick Find and update company information (Companies House) instead if
Find and update company information (Companies House)
Free · Web · API
- You care about official sources, something Changeflow (Trackly) 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
Changeflow (Trackly) and Find and update company information (Companies House) cover a lot of the same ground (3 shared categories, alerts, regulatory filings monitoring, and APIs & data feeds), so for the basics you won't go far wrong with either. Changeflow (Trackly) simply does more: 10 categories to Find and update company information (Companies House)'s 4, including news, insider data, and institutional ownership. Find and update company information (Companies House) counters by being completely free.
What readers say
Changeflow (Trackly)
Vote once to reveal the community verdict.
Find and update company information (Companies House)
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Key differences at a glance
- Asset coverage
- Changeflow (Trackly)Adds stocks
- Free trial
- Changeflow (Trackly)30 days
- Broader coverage
- Changeflow (Trackly)10 vs 4 categories
- 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 • From $1188/yr | Free |
Free tier | Yes | Yes |
Free trial | 30 days | — |
Plan limits | 17 limits: Free: sources: 3, Professional: sources: 100 +15 more | Free: api rate limit: 600 requests per 5 minutes |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | — | No |
Integrations | Slack, Microsoft Teams +5 more | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Institutional Investors, Analysts +3 more | — |
Categories covered | 10 | 4 |
Regions | North America, Europe, APAC | Europe |
| Data & capabilities | ||
Data quality | Latency: Real-time and Granularity: Minute and EOD | 3 signals: Latency: Real-time and Streaming, Corporate actions: Current +1 more |
Capabilities | AI summaries: Filings and News | — |
Security | Encryption in transit | — |
| Try it | Visit Changeflow (Trackly) | Visit Find and update company information (Companies House) |
Where each one shines
What Changeflow (Trackly) and Find and update company information (Companies House) each do best.ShowHide
Where each one shines
What Changeflow (Trackly) and Find and update company information (Companies House) each do best.What Changeflow (Trackly) does best
- Support for setting up monitoring by pasting a URL and describing the changes you care about in natural language.
- AI summaries and relevance filtering to reduce noisy website-change alerts before an analyst reviews the source.
- Monitoring SEC filings, corporate disclosures, IR pages, regulator pages, policies, PDFs, RSS feeds, JSON, CSV, and other online sources.
- Tracking common EDGAR filing types such as 8-K, 10-K, 10-Q, Form 4, 13F, proxy statements, and S-1 pages where configured.
- Views for reviewing changes through dashboard alerts, email notifications, visual diffs, interactive change history, and saved source versions.
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 Changeflow (Trackly) and Find and update company information (Companies House), side by side.ShowHide
Every detail we compared
Every tracked attribute for Changeflow (Trackly) and Find and update company information (Companies House), side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksOther | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Institutional InvestorsAnalystsQuants/DevelopersAsset ManagersHedge Funds | Not specified |
Regions | North AmericaEuropeAPAC | Europe |
Coverage details | 4 countries | Countries: GB |
| Data | ||
Data freshness | Real-time | Real-timeStreaming |
Data granularity | MinuteEOD | Not specified |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKeyWebhooksDocs | Auth: APIKey and OAuth2120 req/min |
Import methods | ManualCSV | Not specified |
Integrations | SlackMicrosoft TeamsDiscordZapierMake (Integromat)n8nRSS readers (e.g., Feedly, Inoreader) | Not specified |
Export formats | CSVJSON | PDFCSV |
| Plans & trust | ||
Security & compliance | Encryption in transit | Not specified |
Capability signals | AI summaries: Filings and News | Not specified |
Vendor & support | Changeflow Limited (trading as Trackly)Country: United KingdomSupport: Email, Chat, 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 | Freesources: 3 | Freeapi rate limit: 600 requests per 5 minutes |
| Entry paid plan | $1188/yr≈ $99/mo“Professional”sources: 100 · users: 2 · +6 more | — |
| Top plan | $2988/yr≈ $249/mo“Business”sources: 500 · users: 5 · +5 more | — |
| Custom / enterprise | Contact sales“Enterprise”minimum check frequency: Every 10 minutes | — |
| Free trial | 30 days | — |
Questions we keep getting
What's the difference between Changeflow (Trackly) and Find and update company information (Companies House)?
Changeflow (Trackly) leans toward alerts, news, 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 Changeflow (Trackly) and Find and update company information (Companies House) cost?
Good news: both Changeflow (Trackly) 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.
Do Changeflow (Trackly) and Find and update company information (Companies House) have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose Changeflow (Trackly) or Find and update company information (Companies House)?
It depends on what you're after. Pick Changeflow (Trackly) if news and insider data matter to you; go with Find and update company information (Companies House) if you'd rather have official sources. And if you only need the basics both share, let price decide.
What asset classes do Changeflow (Trackly) and Find and update company information (Companies House) cover?
Both cover other. Changeflow (Trackly) also handles stocks.
Do Changeflow (Trackly) 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.
Can I export data from Changeflow (Trackly) and Find and update company information (Companies House)?
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.