Czech Republic company registry search

The official Czech Republic company register is ARES, Czech business register, free to search at ares.gov.cz. OneFirmIntel is built on the same government-sourced data and adds quality-tier grading and buyer-side search across 3,506,168 Czech Republic companies.

Official Czech Republic company register

ARES, Czech business register

The authoritative government source for incorporated companies in Czech Republic. Best for looking up a single company by name or registration number.

Open official register ↗

How to search the Czech Republic company register

Open the official register. Go to ARES, Czech business register at https://ares.gov.cz, the official government source for Czech Republic company records.
Search by name or number. Enter the company name or its official registration number. The register returns the legal entity, its status and its registered details.
Cross-check and enrich. For buyer-side discovery, fast filtering by quality tier, industry and region, and exportable results, use OneFirmIntel, which is built on the same government-sourced Czech Republic data, deduplicated to one record per company.

Search all Czech Republic companies with OneFirmIntel

What you need	Official register	OneFirmIntel
Look up one known company	Yes	Yes
Search by industry, city & quality tier	Limited	Yes, across 3M+
Quality-tier grading (★★★/★★/★)	No	Yes, every company graded
Compare & export shortlists	No	Yes, CSV export
One clean record per company	Varies	Yes, deduplicated

OneFirmIntel sources Czech Republic data from the official register and grades it. There are about 2,919,971 active Czech Republic companies in the dataset, led by Trading (182,555).

Frequently asked questions

How do I search the Czech Republic company register?

The official Czech Republic company register is ARES, Czech business register, free to search at https://ares.gov.cz. Enter a company name or registration number to look up a single entity. To search across all Czech Republic companies by industry, region and quality tier, OneFirmIntel covers 3,506,168 Czech Republic companies from the same government data.

What is the official company register in Czech Republic?

The official register is ARES, Czech business register. It is the authoritative government source for incorporated companies in Czech Republic. OneFirmIntel sources its Czech Republic data from these official records and grades each company into a quality tier.

Is the Czech Republic company register free?

Yes, the official ARES, Czech business register is free to search for individual lookups. OneFirmIntel adds buyer-side search, quality-tier grading and export across 3,506,168 companies; you preview every company free and spend a credit only to reveal full details.

How is OneFirmIntel different from the official Czech Republic register?

The official register is best for looking up one company you already know. OneFirmIntel is built for discovery: search 3,506,168 Czech Republic companies by industry, city and quality tier, compare them, and export, all from the same government-sourced data.

Browse Czech Republic companies

Filter by industry, city and quality tier, then reveal the companies you need.

Czech Republic directory →

Updated: May 2026 · OneFirmIntel data is government-sourced and deduplicated to one record per company.