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JARS LT

Businessby Sistemium UAB

JARS.LT provides programmatic access to the Lithuanian Company Registry (Registrų centras) data through a modern REST API. Our service allows developers and businesses to integrate official Lithuanian company information into their applications quickly and reliably. In addition to searching and detailing data on individual companies, the application provides tools for macro-analysis of the Lithuanian economy as a whole.

12ChatGPT Tools
Sistemium UABDeveloper
BusinessCategory

Available Tools

Economy Statistics

get_aggregate_stats
Full Description

Get aggregate economy statistics for Lithuania by year: total revenue, profit, assets, equity, company count, profitability rates, average wages, and employment data.

Parameters (0 required, 2 optional)
Optional
industrystring

Filter by EVRK industry name

yearsarray

Years to retrieve (default: last 10 years)

Get company details

get_company
Full Description

Get detailed information about a specific Lithuanian company by its registration code (JAR code). Returns company name, legal form, status, address, management, beneficiaries, and latest financials.

Parameters (1 required)
Required
codestring

Company registration code (JAR code)

Get company financials

get_company_financials
Full Description

Get financial reports (balance sheet and profit/loss) for a Lithuanian company by its registration code. Returns revenue, profit, assets, equity, liabilities by year.

Parameters (1 required, 2 optional)
Required
codestring

Company registration code (JAR code)

Optional
limitnumber

Number of years to return (max 50)

Default: 10
yearnumber

Specific year to retrieve (if omitted, returns multiple years)

Get company SODRA data

get_company_sodra
Full Description

Get SODRA (social insurance) data for a Lithuanian company: number of employees, average wages, and any social insurance debt.

Parameters (1 required)
Required
codestring

Company registration code (JAR code)

Industry Statistics

get_industry_stats
Full Description

Get statistics by economic activity (EVRK industry code). Returns company count, total revenue/profit, average values, employment data per industry. Supports filtering by text pattern (regex) in industry name. Can return data for multiple years.

Parameters (0 required, 6 optional)
Optional
filterTextstring

Filter industries by name pattern (regex, case-insensitive). Example: "vanden|nuotek" for water-related industries

limitnumber

Number of industries to return per year (max 500)

Default: 50
offsetnumber

Pagination offset

Default: 0
sortBystring

Field to sort by

Options:counttotalRevenuetotalProfittotalAssetsavgRevenueavgProfitavgWagetotalEmployeestotalTaxtotalWages
Default: count
yearnumber

Year for statistics (default: 2024). Ignored if 'years' is provided.

yearsarray

Multiple years to retrieve (e.g., [2020, 2021, 2022]). Returns data grouped by year.

Postal Code Lookup

get_postal_code
Full Description

Get location details for a Lithuanian postal code. Returns settlement, municipality, county, and optionally streets.

Parameters (1 required)
Required
codestring

Lithuanian postal code (5 digits or LT-XXXXX format)

Company Rankings

get_rankings
Full Description

Get top Lithuanian companies ranked by various metrics (revenue, profit, assets, equity, profit margin, average wage, employees, etc.). Supports filtering by year, legal form, industry, NACE section, or industry name pattern.

Parameters (0 required, 9 optional)
Optional
industrystring

Filter by exact EVRK industry name

industryPatternstring

Filter by industry name pattern (regex, case-insensitive). Example: "vanden|nuotek"

legalFormstring

Filter by legal form code (e.g., "UAB", "AB")

limitnumber

Number of companies to return (max 500)

Default: 100
metricstring

Metric to rank by

Options:revenueprofitassetsequityprofitMarginavgWagetaxtotalWagesemployees
Default: revenue
offsetnumber

Pagination offset

Default: 0
orderstring

Sort order

Options:ascdesc
Default: desc
sectionstring

Filter by NACE section letter (A-U). Example: "E" for water supply & waste management

yearnumber

Year for rankings (default: 2024)

Economic Sectors

get_section_stats
Full Description

Get statistics by economic activity section (NACE sections A-U: Agriculture, Mining, Manufacturing, etc.). Returns aggregated stats per major economic sector. Section E = Water supply, sewerage, waste management.

Parameters (0 required, 3 optional)
Optional
sectionstring

Filter by specific NACE section letter (A-U). Example: "E" for water supply & waste management

sortBystring

Field to sort by

Options:totalRevenuetotalProfittotalAssetscountavgWagetotalEmployeestotalTaxtotalWages
Default: totalRevenue
yearnumber

Year for statistics (default: 2024)

SODRA Debtors

get_sodra_debtors
Full Description

Get companies with social insurance (SODRA) debt. Returns companies sorted by debt amount with employee count and municipality.

Parameters (0 required, 3 optional)
Optional
limitnumber

Number of debtors to return (max 500)

Default: 100
minDebtnumber

Minimum debt amount in EUR

Default: 0
offsetnumber

Pagination offset

Default: 0

Normalize Address

normalize_address
Full Description

Parse and normalize arbitrary Lithuanian address string to structured components. Supports fuzzy matching for typos. Returns settlement, municipality, county, and postal code.

Parameters (1 required, 1 optional)
Required
addressstring

Address string to normalize (minimum 3 characters)

Optional
limitnumber

Maximum number of suggestions to return (max 20)

Default: 5

Search Addresses

search_addresses
Full Description

Search Lithuanian addresses by street name, settlement, or municipality. Supports building numbers (e.g., "katkaus 5a") and postal codes (e.g., "57243").

Parameters (1 required, 2 optional)
Required
querystring

Address search query (street name, settlement, postal code)

Optional
limitnumber

Maximum results to return (max 100)

Default: 20
offsetnumber

Pagination offset

Default: 0

Search companies

search_companies
Full Description

Search Lithuanian companies by name or registration code (JAR code). Returns company name, code, legal form, registration date, and address.

Parameters (1 required, 2 optional)
Required
querystring

Company name or registration code (JAR code) to search

Optional
limitnumber

Maximum number of results to return (max 100)

Default: 20
offsetnumber

Number of results to skip for pagination

Default: 0