About JARS.LT

Learn more about the service and the company behind it

Service Provider

JARS.LT is a service provided by UAB Sistemium, a Lithuanian company specialized in data integration and API solutions.

UAB Sistemium

Company code: 303048373

Registered and operating in Vilnius, Lithuania

About the Service

JARS.LT provides programmatic access to Baltic company registry data through a modern REST API. Search across 227,000+ Lithuanian, 366,000+ Estonian and 480,000+ Latvian companies, including financial reports, beneficiaries, and more. Also available at jars.ee and jars.lv.

Data Sources

Lithuanian company data is sourced from Registrų centras, Estonian from the Äriregister (Estonian Business Registry), and Latvian from VID (State Revenue Service of Latvia) open data. All sources are updated regularly.

Company Profiles

Company representatives can claim their company profile and enrich it with contact information, website, business description and other details. Verified profiles are displayed on the company page, making it easier for potential clients and partners to find the right contacts.

Commercial Offers

Registered users can create professional commercial offers directly from a company page. Generate PDF proposals with your company details and send them to potential clients — all within the platform.

Key Features

Official data from Lithuanian, Estonian and Latvian registries
Daily updates
Fast search and retrieval
Reliable REST API
Well-documented endpoints
Technical support

Get in Touch

Have questions or need assistance? Feel free to reach out to us.

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