What is the main business of J4F?

The main business activity of J4F focuses on renting and leasing of cars and light motor vehicles, including motorcycles.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on August 20, 2020.

Where is the headquarters located?

The headquarters is located at: ul. Gubinowska 7, 02-956 Warszawa.

What is the share capital?

The share capital of the company is PLN 5,000 (approx. $1,351).

What period do the latest financial data cover?

The latest available financial statement covers the period from January 1, 2025 to December 31, 2025.

How much revenue was generated?

In 2025, the company generated total revenue of $22,302, representing a decrease of 66.2% compared to 2024.

Is the company profitable?

No, the company recorded a net loss of $4,033 in 2025.

What is the main operating cost?

The largest operating cost category falls under other operating costs. This category amounted to $20,218 in 2025, representing 78% of all operating expenses.

J4Fsp. z o.o.

Rental and leasing of cars and light motor vehicles

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2020-08-20

Share capital

5,000.00 PLN

Registered address

ul. Gubinowska 7/99, 02-956 Warszawa, Poland

Electronic delivery address

AE:PL-75765-33865-JIRUA-18

Financials

Revenue history (in k)

From the notes

Loans and borrowings

$15,043

Filing timeliness

Financial statements were filed on time, on average 128 days early.

202517/02/2026
202404/03/2025
202304/06/2024
202207/03/2023
202102/05/2022
202018/02/2021

Filed on timeDelayFiling deadline

Data and insights are generated automatically from financial statements – they may contain errors and are neither a credit assessment nor business advice.

Statistics

How the company ranks by revenue within its industry, city, voivodeship and across Poland in 2025.

Industry · Rental and leasing of cars and light motor vehicles902 / 1,218

Top 74%

Division · Rental and leasing activities1,445 / 1,923

Top 75%

Sector · Administrative and support service activities8,489 / 10,740

Top 79%

City · Warszawa45,331 / 56,967

Top 80%

Voivodeship · Mazowieckie62,638 / 77,130

Top 81%

Country · Poland246,498 / 297,932

Top 83%

Results vs industry

Revenue

This companyUSD 22.30kMedianUSD 84.67kAverageUSD 4.07m

Net profit

This companyUSD -4.03kMedianUSD 40.68AverageUSD 162.13k

Operating costs

This companyUSD 25.89kMedianUSD 75.06kAverageUSD 2.98m

Assets

This companyUSD 4.48kMedianUSD 87.41kAverageUSD 16.55m

Industry

Authorized Representatives

Ewelina Urszula Jarząbek – Management Board Member

Michał Jarząbek – President of the Management Board

Manner of representation

Each member of the management board is authorized to make declarations on behalf of the company independently.

Ownership

Owner	Shares	Share value	Stake
Ewelina Urszula Jarząbekage 40	45	$607.78	45%
Michał Jarząbekage 44	55	$742.84	55%

Michał Jarząbek and Ewelina Urszula Jarząbek hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2020-09-05.

mBank
20 1140 2004 0000 3602 8035 4638

Debt

No entries in the National Debtors Register (KRZ).

Public aid

No public aid cases recorded in the last 10 years.

Competitors

Name	Revenue	Website
BLS Car Rentsp. z o.o.	$130,721.25	bls.ua
Mobicargosp. z o.o.	$94,608.45	mobicargo.pl
Vesper Carssp. z o.o.	$87,157.93	vespercars.pl
Dacars Projectsp. z o.o.	$59,238.35	dacarsproject.pl
Hypecar Polskasp. z o.o.	$11,286.85	hypecar.pl
Supercars Elitesp. z o.o.	$7,133.67	supercarselite.pl
Laseronsp. z o.o.	$2,808.82	laseron.pl
EVO Fleetsp. z o.o.	$2.71	evofleet.pl
Rentivoplsp. z o.o.	$0.66	rentivo.pl
PKCsp. z o.o.	$0.05	pkc.pl

FAQ

Last updated: 2026-04-20