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Data / Company registers

Company registers an agent can read for free

A reference table of official registers with open, key-free or free-key APIs: what each returns, its licence, and whether it is connected to the company registry lookup. Company-level data only; officers and sole traders are not returned.

CountryRegisterFieldsLicenceAccessConnected
NorwayBrønnøysundregistrene (Enhetsregisteret)Name, legal form, status, address, NACE code, employeesNLOD 2.0Open API, no keyYes
FinlandPRH (YTJ)Name, legal form, registration date, address, industry codeCC BY 4.0Open API, no keyYes
CzechiaARES (Ministry of Finance)Name, status, address, NACE codes, VAT numberOpen dataOpen API, no keyYes
SlovakiaRPO (Statistical Office)Name, establishment date, address (companies in the commercial register)CC BY 4.0Open API, no keyYes
FranceINSEE SIRENE and RNE (recherche-entreprises)Name, legal form code, status, address, NAF code, employee band, VATLicence Ouverte 2.0Open API, no keyYes
United KingdomCompanies HouseName, number, status, registered office, SIC codesOpen Government Licence v3.0Free API key, 600 requests per 5 minutesYes
PolandKRS (National Court Register)Name, legal form, address, NIP (lookup by KRS number only)Open dataOpen API, no name searchBy number
GlobalGLEIF (Legal Entity Identifier index)Legal name, jurisdiction, registry number, addresses, LEI statusCC0 1.0Open API, no keyYes

Try one

curl "https://api.ambolt.dev/v1/entity-resolve?query=Equinor%20ASA&country=NO&free=1"

One free call per tool and IP address per day. Free company lookup · API reference · Guide for agents

Table checked 2026-10-03. Terms can change; each record returned by the API names its register and licence. Informational only.