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Practical guide

How to Check a Company Before You Order: Registers, Numbers and Red Flags

By Scan Raccoon · Updated October 18, 2026 · 7 min read

When a website or seller is unknown to you, the best check is also one of the simplest: look the company up in official registers. In most European countries, every business has a public identification number and the matching records can be consulted for free. Here is how to read these numbers, where to check them and which inconsistencies should worry you.

Key takeaways

  • A genuine online shop displays its legal details: company name, address, registration number, email, host.
  • Check the number in the official company register, which is free, and compare address, activity and creation date.
  • A valid number does not prove honesty: scammers copy real companies' numbers.
  • A dissolved, very recent or unrelated company is a warning sign.
  • For EU VAT numbers, the Commission's VIES service gives a free validity check.

The numbers you may come across

Names differ by country but the idea is the same. In France, the SIREN (9 digits) identifies a company and the SIRET (14 digits) identifies one of its sites. In the UK, the company number is issued by Companies House. Germany uses the commercial register (Handelsregister) number, Spain the CIF or NIF, Italy the partita IVA, and so on. A VAT number usually begins with the two-letter country code followed by digits.

Whichever country, you are looking for three things: the company's legal name, its registration or VAT number and its registered address. These are the pieces to compare with what the website says.

What an online shop should display

Under EU e-commerce rules, a business selling online must make certain information easily accessible, typically on a “Legal notice”, “Imprint” or “About” page:

Total absence of this information is a strong signal. But its presence is not enough: you must check that it is accurate.

Where to verify, for free

  1. The official company register of the country: Companies House (UK), the French national business directory (annuaire-entreprises.data.gouv.fr), the German Unternehmensregister, the Spanish Registro Mercantil, and so on. Search by name or number to see the official record: status, address, creation date, activity, directors.
  2. The EU's VIES service to validate an intra-EU VAT number.
  3. Official gazettes and insolvency notices, which show insolvency and liquidation procedures (the BODACC in France).
  4. The company's own website and social media: compare the details to spot inconsistencies.

Inconsistencies that should worry you

Careful

A valid company number and an “active” record do not prove the website is honest. Scammers sometimes borrow a real company's details. Compare name, address, domain and email on the site with the official record, and check that the site really belongs to that company.

A five-minute method

  1. Find the legal notice (footer or menu) and note the registration or VAT number.
  2. Look it up in the official register: status, address, activity, creation date.
  3. Compare with what the site says (name, address, email, domain).
  4. Check the age of the domain name and look for independent reviews, outside the site.
  5. Check payment methods and the returns policy before ordering. For your rights, see our guide to the right of withdrawal.

Scan Raccoon relies in part on this kind of public verification to help you judge a seller: you can also paste a website address directly to get an analysis in seconds.

Frequently asked questions

Where do I find a shop's company number?

In its legal notice, usually in the footer. If it is missing, that is already a warning sign for a business website.

Does a valid company number mean the seller is reliable?

No. It only proves that a company exists. You still need to check that its details match the website and that its activity makes sense.

Does this apply to sellers on marketplaces?

Yes for professional sellers, who must be identifiable. Between private individuals there is no number: check account age and reviews instead.

How do I check a foreign company?

Use the official register of its country, and the EU's VIES service for VAT numbers inside the European Union.

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