registerbuch.ch

Prices

Looking things up is free; persons from 20 November 2026 up to 3 per day, 10 per day and 50 per month when signed in. Using the register in Claude or ChatGPT costs CHF 100 a year, for up to 3'000 companies, persons and auditors per month.

Look up

Free

Here on registerbuch.ch, without an account.

  • Companies, persons and auditors, with the official source for every line.
  • Companies and auditors without limit.
  • Persons from 20 November 2026: 3 per day without signing in, 10 per day and 50 per month when signed in, 3'000 per month with a register subscription.

Register

CHF 100 a year

The Swiss commercial register in Claude and ChatGPT.

  • With the source for every answer.
  • Status as of a reference date: who was registered on a given day.
  • Check customer lists: many companies in one query.
  • Up to 3'000 companies, persons and auditors per month.
  • Try it free: 3 companies or persons with a private email address, 25 with a company address.
Register subscription

Inbox

CHF 25 per month

Protime checks the register automatically with every email.

  • Warning in the draft, emails sorted, replies ready as drafts.
Try free for 14 days

Several people in your team or firm? Write to us: kontakt@registerbuch.ch

Limits

Companies and auditors can be looked up freely here. A search brake protects the directory against automated queries.

From 20 November 2026 a limit applies to persons: 3 persons per day without signing in, 10 per day and at most 50 per month when signed in, 3'000 per month with a register subscription.

The register subscription includes up to 3'000 different companies, persons and auditors per month, counted together. Checking the same company several times counts once.

Frequently asked questions

What counts as a query?

Every different company, person or auditor in the month is counted. Checking the same company ten times counts once.

Can I cancel?

Yes, at any time to the end of the paid period. If you ask for a refund within 30 days of purchase, you get the full amount back, no reason needed.

Is there an invoice, and what about VAT?

Yes, every payment comes with an invoice. If you need a copy, write to kontakt@registerbuch.ch. Final price in CHF, no VAT (not VAT-registered). Annual subscription, renews automatically for one year, cancellable at any time to the end of the term.

We are several people. How does that work?

Write to us at kontakt@registerbuch.ch, we will find a solution for your team or firm.

Register subscription: Final price in CHF, no VAT (not VAT-registered). Annual subscription, renews automatically for one year, cancellable at any time to the end of the term. Purchased on protime.ai. The terms of use apply (in German).