VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Wednesday, December 3, 2025

Tool Comparison

Find and update company information (Companies House) vs OTC Markets comparison

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

Quick takeaways

Find and update company information (Companies House) adds Alerts coverage that OTC Markets skips.

OTC Markets includes Order Book / Level II, News, Ticker Changes, Splits, Dividends, APIs & SDKs, and Screeners categories that Find and update company information (Companies House) omits.

In depth comparison

Find and update company information (Companies House) logo

Find and update company information (Companies House)

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

The official UK companies register, providing free search and access to filing histories, document images, and company information. Users can follow companies for email alerts on new filings, and bulk data is available via monthly downloads. Certified copies and certificates are offered for a fee. Developers have access to REST and Streaming APIs with clear rate limits, making the service a reliable, real-time regulatory source.

Platforms

WebAPI

Pricing

Free

Quick highlights

  • Free search and viewing of company information including registered details, officers, filing history, document images, mortgage charges, and insolvency data.
  • Follow companies and receive email alerts when new filings are accepted, with direct links to the filing history.
  • Order certified copies and certificates (fees apply, e.g. £15 standard / £50 express).
  • Bulk data available as monthly CSV snapshots of the entire UK companies register.
  • Public REST API providing structured access to company data (companies, officers, persons of significant control, etc.), authenticated via API key; some flows support OAuth2. Rate limit of 600 requests per 5 minutes.

Community votes (overall)

0% upvotes 0% downvotes
You haven't voted yet
OTC Markets logo

OTC Markets

otcmarkets.com

Primary operator and market data source for U.S. OTC equities via OTC Link ATS/ECN/NQB (SEC‑regulated ATSs). Commercial data products include Real‑Time Level 1+ (inside quote & trades), Level 2+ (full quote book with MPIDs), 15‑minute delayed Level 1+, End‑of‑Day, reference/security master, and compliance datasets (Blue Sky, Promotion/CE, Compliance Analytics). Delivery options include real‑time multicast feeds, SFTP/FTP files, and a REST Disclosure API. Website provides delayed quotes, corporate actions, screeners and issuer news (DNS).

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

  • Real‑Time Level 1+ (inside bid/offer + trades) and Level 2+ (full quote book with market participant IDs) data products; Delayed Level 1+ on a 15‑minute basis; End‑of‑Day snapshots.
  • Level 2 quote montage specification (fields: MPID, price, QAP, size, time‑of‑update) and display requirements.
  • Reference & pricing files (security master with optional CUSIP), plus End‑of‑Day pricing files; secure SFTP delivery supported.
  • Disclosure API (REST, JSON/CSV/XML) with app‑key auth; filter by symbol/CUSIP/company; document retrieval; plan‑level rate‑limit guidance.
  • Compliance & regulatory data: Blue Sky Data (state eligibility monitoring), Promotion Data file (Caveat Emptor/tier/share data), and Compliance Analytics (multi‑factor risk scoring).

Community votes (overall)

0% upvotes 0% downvotes
You haven't voted yet

Where they differ

Find and update company information (Companies House)

Distinct strengths include:

  • Free search and viewing of company information including registered details, officers, filing history, document images, mortgage charges, and insolvency data.
  • Follow companies and receive email alerts when new filings are accepted, with direct links to the filing history.
  • Order certified copies and certificates (fees apply, e.g. £15 standard / £50 express).
  • Bulk data available as monthly CSV snapshots of the entire UK companies register.

OTC Markets

Distinct strengths include:

  • Real‑Time Level 1+ (inside bid/offer + trades) and Level 2+ (full quote book with market participant IDs) data products; Delayed Level 1+ on a 15‑minute basis; End‑of‑Day snapshots.
  • Level 2 quote montage specification (fields: MPID, price, QAP, size, time‑of‑update) and display requirements.
  • Reference & pricing files (security master with optional CUSIP), plus End‑of‑Day pricing files; secure SFTP delivery supported.
  • Disclosure API (REST, JSON/CSV/XML) with app‑key auth; filter by symbol/CUSIP/company; document retrieval; plan‑level rate‑limit guidance.

Feature-by-feature breakdown

AttributeFind and update company information (Companies House)OTC Markets
Categories

Which research workflows each platform targets

Shared: Regulatory Filings Monitoring, Data APIs

Unique: Alerts

Shared: Regulatory Filings Monitoring, Data APIs

Unique: Order Book / Level II, News, Ticker Changes, Splits, Dividends, APIs & SDKs, Screeners

Asset types

Supported asset classes and universes

Other

Stocks, Bonds

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web, API

Web, API

Pricing

High-level pricing models

Free

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • Free search and viewing of company information including registered details, officers, filing history, document images, mortgage charges, and insolvency data.
  • Follow companies and receive email alerts when new filings are accepted, with direct links to the filing history.
  • Order certified copies and certificates (fees apply, e.g. £15 standard / £50 express).
  • Bulk data available as monthly CSV snapshots of the entire UK companies register.
  • Public REST API providing structured access to company data (companies, officers, persons of significant control, etc.), authenticated via API key; some flows support OAuth2. Rate limit of 600 requests per 5 minutes.
  • Streaming API for real-time updates covering company information, filing history, insolvency, and charges.

Unique

  • Real‑Time Level 1+ (inside bid/offer + trades) and Level 2+ (full quote book with market participant IDs) data products; Delayed Level 1+ on a 15‑minute basis; End‑of‑Day snapshots.
  • Level 2 quote montage specification (fields: MPID, price, QAP, size, time‑of‑update) and display requirements.
  • Reference & pricing files (security master with optional CUSIP), plus End‑of‑Day pricing files; secure SFTP delivery supported.
  • Disclosure API (REST, JSON/CSV/XML) with app‑key auth; filter by symbol/CUSIP/company; document retrieval; plan‑level rate‑limit guidance.
  • Compliance & regulatory data: Blue Sky Data (state eligibility monitoring), Promotion Data file (Caveat Emptor/tier/share data), and Compliance Analytics (multi‑factor risk scoring).
  • Coverage of OTC Link ATS via MIC 'OTCM'; OTC Link ATS/ECN/NQB each operate as SEC‑regulated ATSs.
Tested

Verified by hands-on testing inside Find My Moat

Not yet

Not yet

Editor pick

Featured inside curated shortlists

Standard listing

Standard listing

Frequently Asked Questions

Which workflows do Find and update company information (Companies House) and OTC Markets both support?

Both platforms cover Regulatory Filings Monitoring, and Data APIs workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Find and update company information (Companies House) and OTC Markets require subscriptions?

Both Find and update company information (Companies House) and OTC Markets keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access Find and update company information (Companies House) and OTC Markets?

Both Find and update company information (Companies House) and OTC Markets prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

Find and update company information (Companies House) differentiates itself with Free search and viewing of company information including registered details, officers, filing history, document images, mortgage charges, and insolvency data., Follow companies and receive email alerts when new filings are accepted, with direct links to the filing history., and Order certified copies and certificates (fees apply, e.g. £15 standard / £50 express)., whereas OTC Markets stands out for Real‑Time Level 1+ (inside bid/offer + trades) and Level 2+ (full quote book with market participant IDs) data products; Delayed Level 1+ on a 15‑minute basis; End‑of‑Day snapshots., Level 2 quote montage specification (fields: MPID, price, QAP, size, time‑of‑update) and display requirements., and Reference & pricing files (security master with optional CUSIP), plus End‑of‑Day pricing files; secure SFTP delivery supported..

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.