What is the main business of J.B.?

The main business activity of J.B. focuses on masonry work.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on June 26, 2024.

Where is the headquarters located?

The headquarters is located at: ul. Stanisława Moniuszki 3, 18-300 Zambrów.

Who is on the management board?

The management board consists of: Bartłomiej Tymiński (Member of the Management Board) and Jakub Roman Durzyński (President of the Management Board).

What is the share capital?

The share capital of the company is PLN 10,000 (approx. $2,701).

What period do the latest financial data cover?

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

What was the revenue?

The company reported a revenue of $47,028 in 2025, which is an increase of 153.7% compared to 2024.

Is the company profitable?

Yes, the company recorded a net profit of $18,138 in 2025, meaning the company increased its profit by 27.8%.

What is the main operating cost?

The largest operating cost category falls under materials and energy. This category amounted to $19,955 in 2025, representing 74% of all operating expenses.

J.B.sp. z o.o.

Roofing activities

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2024-06-26

Share capital

10,000.00 PLN

Registered address

ul. Stanisława Moniuszki 3, 18-300 Zambrów, Poland

Financials

Revenue history (in k)

Filing timeliness

Financial statements were filed on time, on average 1 day early.

202515/07/2026
202413/07/2025

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 · Roofing activities369 / 459

Top 80%

Division · Specialised construction activities2,264 / 3,185

Top 71%

Sector · Construction20,167 / 30,481

Top 66%

City · Zambrów62 / 74

Top 84%

Voivodeship · Podlaskie4,356 / 5,643

Top 77%

Country · Poland224,681 / 297,935

Top 75%

Results vs industry

Revenue

This companyUSD 47.03kMedianUSD 258.89kAverageUSD 1.22m

Net profit

This companyUSD 18.14kMedianUSD 12.48kAverageUSD 62.17k

Operating costs

This companyUSD 26.92kMedianUSD 238.92kAverageUSD 1.13m

Assets

This companyUSD 35.91kMedianUSD 154.68kAverageUSD 755.55k

Industry

Roofing activities (43.91.Z)Primary
Installation of industrial machinery and equipment (33.2)
Construction of buildings (41)

Authorized Representatives

Bartłomiej Tymiński – Management Board Member

Jakub Roman Durzyński – 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
Jakub Roman Durzyńskiage 28	50	$1,350.62	50%
Bartłomiej Tymińskiage 35	50	$1,350.62	50%

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2024-07-11.

PKO Bank Polski
42 1020 1332 0000 1302 1528 6880

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
Dachowe Konstrukcjesp. z o.o.	$138,146.66	dachowekonstrukcje.pl
Dachy 2.0sp. z o.o.	$137,816.18	dachy20.pl
Interdachsp. z o.o.	$131,471.74	interdach.info
Golden Conceptsp. z o.o.	$114,442.90	roofconcept.pl
AB Roof Systemsp. z o.o.	$111,076.66	abroof.pl
Toptechnicasp. z o.o.	$108,979.41	toptechnica.pl
Orientsp. z o.o.	$80,120.67	orient.rzeszow.pl
Studio Arcissp. z o.o.	$61,772.33	studioarcis.pl
Dachovosp. z o.o.	$66,612.72	dachovo.pl
ALPI Servicesp. z o.o.	$40,245.16	alpiservice.pl

FAQ

Last updated: 2026-07-15