Estonia VAT Number Format (EE123456789)

Käibemaks (km) number structure, regex & verified examples

Everything you need to know about Käibemaks (km) numbers in Estonia — they follow the pattern EE + 9 digits (e.g. EE123456789), and can be verified against VIES. For the rates themselves, see Estonia VAT rates and their history. Building a check into your app? See the Estonia VAT API.

The standard km rate has been 24% since 2025, up from 22%.

EU Member Statekm — KäibemaksEUR

VAT Number Format

Structure

EE + 9 digits

Example format

EE123456789

Regex

^EE\d{9}$

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

Company and Tax Identifiers in Estonia

What the registrar, the register and each identifier are called, in every official language and in English. These are names, not numbers.

Company registrar
  • Estonian: Tartu Maakohtu registriosakond
  • English: Registration Department of Tartu County Court
Company register
  • Estonian: äriregister
  • English: Commercial Register
Register number
  • Estonian: registrikood
  • English: registry code
Tax ID
  • Estonian: registrikood
  • English: registry code
VAT ID
  • Estonian: käibemaksukohustuslase registreerimisnumber
  • English: VAT registration number

Each name is checked against the registrar’s or tax authority’s own pages or legal text. The same names ship in eu-vat-rates-data.json and in GET /v1/rates.

What we return for Estonia

Estonian VAT numbers are checked against VIES. A valid result also returns company name and address, founding date, and legal form.

  • VIES validation (valid / not valid)
  • Company name & address
  • National registry ID
  • National tax number
  • Founded date
  • Legal form
  • Industry
  • National register answers if VIES is down

See the full coverage table for all 27 EU member states + Northern Ireland →

Check an Estonia VAT Number

Enter a km number starting with EE to verify it against VIES.

Format: EE + 9 digits

Example:

Validate an Estonia EE VAT number via API

Get Estonia VAT rates via API — free, no key

No API key required
Request
curl "https://api.vatnode.dev/v1/rates/EE"
Response200 OK
{
  "countryCode": "EE",
  "countryName": "Estonia",
  "isEU": true,
  "vatName": "Käibemaks",
  "vatAbbr": "km",
  "currency": "EUR",
  "standardRate": 24,
  "reducedRates": [
    13,
    9
  ],
  "superReducedRate": null,
  "parkingRate": null,
  "vatNumberFormat": "EE + 9 digits",
  "vatNumberPattern": "^EE\\d{9}$",
  "identifiers": {
    "registryAuthorityName": {
      "et": "Tartu Maakohtu registriosakond",
      "en": "Registration Department of Tartu County Court"
    },
    "registryName": {
      "et": "äriregister",
      "en": "Commercial Register"
    },
    "registryCodeName": {
      "et": "registrikood",
      "en": "registry code"
    },
    "taxIdName": {
      "et": "registrikood",
      "en": "registry code"
    },
    "vatIdName": {
      "et": "käibemaksukohustuslase registreerimisnumber",
      "en": "VAT registration number"
    }
  },
  "updatedAt": "2026-10-16"
}

View full rates API reference →

Get Estonia 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('EE')
console.log(rate.standard) // EE standard VAT rate
getRate() result200 OK
{
  "country": "Estonia",
  "currency": "EUR",
  "eu_member": true,
  "vat_name": "Käibemaks",
  "vat_abbr": "km",
  "standard": 24,
  "reduced": [
    9,
    13
  ],
  "super_reduced": null,
  "parking": null,
  "format": "EE + 9 digits",
  "pattern": "^EE\\d{9}$",
  "identifiers": {
    "registry_authority_name": {
      "et": "Tartu Maakohtu registriosakond",
      "en": "Registration Department of Tartu County Court"
    },
    "registry_name": {
      "et": "äriregister",
      "en": "Commercial Register"
    },
    "registry_code_name": {
      "et": "registrikood",
      "en": "registry code"
    },
    "tax_id_name": {
      "et": "registrikood",
      "en": "registry code"
    },
    "vat_id_name": {
      "et": "käibemaksukohustuslase registreerimisnumber",
      "en": "VAT registration number"
    }
  }
}

View package on GitHub →

Validate Estonia EE VAT numbers

Requires API key
Request
curl "https://api.vatnode.dev/v1/vat/EE100220641" \
  -H "Authorization: Bearer YOUR_API_KEY"
Response200 OK
{
  "valid": true,
  "vatId": "EE100220641",
  "countryCode": "EE",
  "companyName": "Tallink Grupp AS",
  "companyAddress": null,
  "companyRegistrationDate": null,
  "companyForm": null,
  "industryDescription": null,
  "registryCode": null,
  "registryCodeName": null,
  "taxId": null,
  "taxIdName": null,
  "commercialName": null,
  "companyStatus": null,
  "secondaryActivities": [],
  "companyAgeYears": null,
  "registryPrivacy": false,
  "verifiedAt": "2026-04-25T12:00:00.000Z",
  "checkId": "019dc41e-d64d-7255-8ed7-cf5443103cd8",
  "countryName": "Estonia",
  "countryVat": {
    "vatName": "Käibemaks",
    "vatAbbr": "km",
    "currency": "EUR",
    "standardRate": 24,
    "reducedRates": [
      13,
      9
    ],
    "superReducedRate": null,
    "parkingRate": null,
    "vatNumberFormat": "EE + 9 digits",
    "vatNumberPattern": "^EE\\d{9}$",
    "identifiers": {
      "registryAuthorityName": {
        "et": "Tartu Maakohtu registriosakond",
        "en": "Registration Department of Tartu County Court"
      },
      "registryName": {
        "et": "äriregister",
        "en": "Commercial Register"
      },
      "registryCodeName": {
        "et": "registrikood",
        "en": "registry code"
      },
      "taxIdName": {
        "et": "registrikood",
        "en": "registry code"
      },
      "vatIdName": {
        "et": "käibemaksukohustuslase registreerimisnumber",
        "en": "VAT registration number"
      }
    },
    "countryVatUpdatedAt": "2026-10-16"
  },
  "consultationNumber": null,
  "specialTerritory": null,
  "source": "VIES"
}

View full API response schema →

Frequently Asked Questions

What is the VAT number format in Estonia?▾

VAT numbers in Estonia follow the format: EE + 9 digits. Example: EE123456789. VAT numbers are not case-sensitive – lowercase input is automatically normalised.

What is the VAT number regex pattern in Estonia?▾

Use this regular expression to validate VAT numbers in Estonia km number format locally:

^EE\d{9}$

Test against the uppercase number. Format validation catches typos locally — always follow with a VIES check to confirm the number is active.

How do I validate a VAT number in Estonia programmatically?▾

Send a GET request to https://api.vatnode.dev/v1/vat/{vatId} with your Authorization: Bearer header. The API checks the number against VIES and returns a JSON response with a valid field, company name, address, and current km rates. Free plan available — 100 requests/month, no credit card required.

What does km stand for in Estonia?▾

km stands for Käibemaks — the Estonian name for Value Added Tax (VAT). It appears on Estonian invoices and tax documents.

Validate Estonia VAT numbers in your app

Use the vatnode API to automate km validation in your invoicing or checkout flow. Free plan available, no credit card required.