Estonia company registry search

The official Estonia company register is Estonian e-Business Register, free to search at ariregister.rik.ee. OneFirmIntel is built on the same government-sourced data and adds quality-tier grading and buyer-side search across 372,304 Estonia companies.

Official Estonia company register

Estonian e-Business Register

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

Open official register ↗

How to search the Estonia company register

Open the official register. Go to Estonian e-Business Register at https://ariregister.rik.ee, the official government source for Estonia 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 Estonia data, deduplicated to one record per company.

Search all Estonia 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 372K+
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 Estonia data from the official register and grades it. There are about 362,565 active Estonia companies in the dataset, led by Software & IT (21,505).

Frequently asked questions

How do I search the Estonia company register?

The official Estonia company register is Estonian e-Business Register, free to search at https://ariregister.rik.ee. Enter a company name or registration number to look up a single entity. To search across all Estonia companies by industry, region and quality tier, OneFirmIntel covers 372,304 Estonia companies from the same government data.

What is the official company register in Estonia?

The official register is Estonian e-Business Register. It is the authoritative government source for incorporated companies in Estonia. OneFirmIntel sources its Estonia data from these official records and grades each company into a quality tier.

Is the Estonia company register free?

Yes, the official Estonian e-Business Register is free to search for individual lookups. OneFirmIntel adds buyer-side search, quality-tier grading and export across 372,304 companies; you preview every company free and spend a credit only to reveal full details.

How is OneFirmIntel different from the official Estonia register?

The official register is best for looking up one company you already know. OneFirmIntel is built for discovery: search 372,304 Estonia companies by industry, city and quality tier, compare them, and export, all from the same government-sourced data.

Browse Estonia companies

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

Estonia directory →

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