Switzerland VAT Number Format (CHE-123.456.789 MWST)

Mehrwertsteuer (MWST) number structure, regex & verified examples

Everything you need to know about Mehrwertsteuer (MWST) numbers in Switzerland — they follow the pattern CHE-NNN.NNN.NNN (+ MWST/TVA/IVA) (e.g. CHE-123.456.789 MWST), and can be verified against VIES. For the rates themselves, see Switzerland VAT rates.

European countryMWST — MehrwertsteuerCHF

VAT Number Format

Structure

CHE-NNN.NNN.NNN (+ MWST/TVA/IVA)

Example format

CHE-123.456.789 MWST

Regex

^CHE-?\d{3}\.?\d{3}\.?\d{3}[ ]?(MWST|TVA|IVA)?$

VAT numbers are not case-sensitive – lowercase input is automatically normalised. See how this format compares across all 27 EU countries.

Switzerland VAT rates via API

Get Switzerland VAT rates via API — free, no key

No API key required
Request
curl "https://api.vatnode.dev/v1/rates/CH"
Response200 OK
{
  "countryCode": "CH",
  "countryName": "Switzerland",
  "isEU": false,
  "vatName": "Mehrwertsteuer",
  "vatAbbr": "MWST",
  "standardRate": 8.1,
  "reducedRates": [
    3.8,
    2.6
  ],
  "superReducedRate": null,
  "parkingRate": null,
  "vatNumberFormat": "CHE-NNN.NNN.NNN (+ MWST/TVA/IVA)",
  "vatNumberPattern": "^CHE-?\\d{3}\\.?\\d{3}\\.?\\d{3}[ ]?(MWST|TVA|IVA)?$",
  "updatedAt": "2026-09-29"
}

View full rates API reference →

Get Switzerland VAT rates via package — offline, no HTTP

eu-vat-rates-data
Request
# npm install eu-vat-rates-data
import { getRate } from 'eu-vat-rates-data'

const rate = getRate('CH')
console.log(rate.standard) // CH standard VAT rate
getRate() result200 OK
{
  "country": "Switzerland",
  "currency": "CHF",
  "eu_member": false,
  "vat_name": "Mehrwertsteuer",
  "vat_abbr": "MWST",
  "standard": 8.1,
  "reduced": [
    2.6,
    3.8
  ],
  "super_reduced": null,
  "parking": null,
  "format": "CHE-NNN.NNN.NNN (+ MWST/TVA/IVA)",
  "pattern": "^CHE-?\\d{3}\\.?\\d{3}\\.?\\d{3}[ ]?(MWST|TVA|IVA)?$"
}

View package on GitHub →

Frequently Asked Questions

What is the VAT number format in Switzerland?▾

VAT numbers in Switzerland follow the format: CHE-NNN.NNN.NNN (+ MWST/TVA/IVA). Example: CHE-123.456.789 MWST. VAT numbers are not case-sensitive – lowercase input is automatically normalised.

What is the VAT number regex pattern in Switzerland?▾

Use this regular expression to validate VAT numbers in Switzerland MWST number format locally:

^CHE-?\d{3}\.?\d{3}\.?\d{3}[ ]?(MWST|TVA|IVA)?$

Test against the uppercase number. Format validation catches typos locally.

What does MWST stand for in Switzerland?▾

MWST stands for Mehrwertsteuer — the Swiss name for Value Added Tax (VAT). It appears on Swiss invoices and tax documents.