Last reviewed: July 2026 · An open research project by B2Trust
Business Registry Openness Index
How open, accessible and machine-readable are the world's official business registries? We grade 34 countries A–F — then aggregate the open ones into a single, free way to verify any company's identity.
The map of registry openness
Click a country for details. Registries integrated live in B2Trust show measured data.
Beyond Europe — integrated registries
CZCzechia
ARES · official site ↗
The Czech ARES register offers free public search across all registered businesses and a free open API.
Full ranking
“—” marks countries not yet in B2Trust.
Methodology
Access
Can anyone look up basic company data — name, ID, status, address — online, free of charge and without registration?Machine readability
Does the registry offer an official API or an open bulk-data programme?Cost
Are core records free, partially paid, or fully paywalled?Measured uptime
90-day availability of official interfaces, measured by B2Trust's live monitoring. Shown only for registries we integrate.Grades reflect each registry's official public interfaces at review time (July 2026) and are based on publicly available information. The overall grade is the arithmetic mean of the three pillars. Spotted a change? Let us know.
34 registries. One free identity check.
Openness ranges from A to F: only 10 of 34 registries score an A for machine access — a fully open API or bulk-data feed — so no single lookup reaches them all. B2Trust does the country-by-country work, aggregating the open registries into the B2Trust Identity Index: 30.1M verified business identities, searchable for free in one place. When several independent registries confirm the same entity, that agreement is its Identity Consensus — a confidence signal no single source gives you.