Find Swiss companies in the commercial register by part of their registered name, or by a word in their statutory purpose (match="purpose", needs a canton). Returns candidates with UID, legal form, address and purpose. The name match is a substring of the registered name, so a name from a website or Google Maps may need a shorter, distinctive part. When several candidates come back, confirm the right one by address before using its UID.

What the official registers hold about one company, by UID: name and translations, legal form, commercial register and UID register status, legal address, statutory purpose, VAT registration (status, since when, VAT number) and identifiers. With the Zefix web API enabled it adds seat, former names, auditors, the companies it audits, branches and takeovers.

The company's own commercial register publications from the Swiss Official Gazette of Commerce (SHAB), newest first: registration, changes to officers, name, seat, address, purpose or capital, liquidation, bankruptcy and deletion, each with the full publication text and the list of changed fields. Publications in which the company only appears as auditor or liquidator of another company are left out; see ch_company_mentions for those.

Gazette publications about OTHER companies that name this one, for example as auditor, liquidator or merger partner, with a text snippet and a role hint. Shows which companies a fiduciary or audit firm works for.

New commercial register entries in one canton over a date window of up to 31 days, newest first, from the Swiss Official Gazette of Commerce. type="mutation" or "deletion" lists changes or deletions instead. details=true adds name, UID, address, capital and purpose per row at one request each (at most 25 rows). Page through larger windows with page.

Check a Swiss UID or VAT number: the check digit locally, then (unless lookup=false) whether the UID register knows it, its status, and whether the company is currently VAT registered.