Czech Company Registry (ARES) Tools
Czech ARES company registry: VAT, insolvency, RÚIAN addresses, IČO/DIČ checks.
Community: Submitted by a user or imported; check the owner before granting accessOnlineNo sign-inGlobalFreeRead-only
What it can do
What data it sees
Do you need an account
No: the server works without sign-in
Czech ARES company registry: VAT, insolvency, RÚIAN addresses, IČO/DIČ checks. All free, no auth.
Server tool list (6)
Raw names from tools/list. Only developers need these.
| company_lookup | Basic register (ARES) lookup: name, legal form, registered address, NACE, data-box, VAT DIČ. Input: IČO (8 digits) or DIČ (CZ+10). |
| check_vat | Authoritative plátce-DPH status from RZP register: payer yes/no, effective from, tax office, trade licences. Use before issuing/czech invoicing. Batch up to 20 IČOs. |
| entity_status | KYC-style snapshot: active/cancelled, which registers the entity appears in (VR, RZP, NRPZS, RS insolvency, RCNS, SZR...), plus insolvency-register record if present. |
| search_company | Company-name search in ARES (prefix match, case-insensitive; no wildcards). Returns IČOs + names + addresses for further lookups. |
| validate_cz | Checksum/format validation: IČO (mod-11), DIČ (CZ+IČO or birth number), IBAN (mod-97, CZ-specific), variable symbol. Pure local, no network. |
| address_check | Free-text Czech address -> RÚIAN-standardized (full KOD ADM, codes for obec/část/ulice, correct PSC). |