Callista Software OÜ, VAT ID EE101789916 — Verified

Active and verified against VIES as of 14 Sep 2026.

Confirmed against VIES on 14 Sep 2026, 03:12 UTC
Check ID: 01a09de6-dce8-758e-b9a6-68136a2df5f8

VAT ID

EE101789916

Estonia

Company

Callista Software OÜ

Company type

Osaühing

Founded

18 May 2012

Address

Padriku tee 11/2-11
11912 Pirita linnaosa Tallinn
ESTONIA

VAT rates in Estonia (EUR)

Standard

24%

Reduced

13%

Reduced

9%

VAT rates as of 11 Nov 2026

The registry details on this page come from the Estonian Business Register (Äriregister) open data, published under CC BY 4.0, and were retrieved no earlier than the check time above. The company name and address come from VIES.

How EE101789916 is built

The prefix EE marks Estonia, where VAT is known locally as Käibemaks (km). The part after it, 101789916, is 9 digits. The whole number follows the format EE + 9 digits.

For Callista Software OÜ, its registered company type is Osaühing; the national register or authority record gives a registration date of 18 May 2012, 14 years before the check.

Related: Estonia VAT number format · VAT number formats in the EU · EU VAT rates · What is VIES · VAT audit trail · Estonia VAT API

Embed this verification on your site

Paste the inline tag where the badge should appear (impressum, footer, About page) and drop the script anywhere on the same page – it works even if your framework moves <script> to the end of <body>.

Preview

Snippet

HTML
<script async src="https://vatnode.dev/badge.js"></script>
<span data-vatnode-vat="EE101789916"></span>

Loads asynchronously, ~1.5 KB gzipped, no tracking, no dependencies. The badge links to this page, which shows the result stored for EE101789916 as of 14 Sep 2026.

Validating VAT in your app? Use the VAT validation API — 100 free calls, no credit card required.

Get API Key
Request
curl "https://api.vatnode.dev/v1/vat/EE101789916" \
  -H "Authorization: Bearer YOUR_API_KEY"
ResponseStored result of 14 Sep 2026 · 200 OK
{
  "valid": true,
  "vatId": "EE101789916",
  "countryCode": "EE",
  "countryName": "Estonia",
  "companyName": "Callista Software OÜ",
  "companyAddress": "Padriku tee 11/2-11   11912 Pirita linnaosa Tallinn",
  "companyRegistrationDate": "2012-05-18",
  "companyForm": "Osaühing",
  "industryDescription": null,
  "registryCode": null,
  "registryCodeName": null,
  "taxId": null,
  "taxIdName": null,
  "registryPrivacy": false,
  "website": null,
  "commercialName": null,
  "companyStatus": null,
  "secondaryActivities": [],
  "companyAgeYears": 14,
  "consultationNumber": null,
  "specialTerritory": null,
  "verifiedAt": "2026-09-14T03:12:27.881Z",
  "checkId": "01a09de6-dce8-758e-b9a6-68136a2df5f8",
  "source": "VIES",
  "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": "2026-11-11"
  }
}

Need a VIES Consultation Number?

This public check doesn't issue a VIES consultation number, the reference that documents who checked a VAT number and when. Authenticated API calls that set your own EU VAT as the requester return one.

Validate a different VAT ID

Automate this in your app

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