What is the main business of D.T.J.?

The main business activity of D.T.J. focuses on repair of machinery.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on July 15, 2015.

Where is the headquarters located?

The headquarters is located at: ul. Słowiańska 12, 62-065 Grodzisk Wielkopolski.

Who is on the management board?

The management board includes Damian Kaminiarz (President of the Management Board).

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.

What was the revenue?

The company reported a revenue of $1,003,531 in 2025, which is an increase of 63.2% compared to 2024.

Is the company profitable?

Yes, the company recorded a net profit of $29,621 in 2025, meaning the company decreased its profit by 21.4%.

Which cost dominates operating expenses?

The largest operating cost category falls under employee remuneration. This category amounted to $99,796 in 2025, representing 12% of all operating expenses.

D.T.J.sp. z o.o.

Repair of machinery

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2015-07-15

Share capital

5,000.00 PLN

Registered address

ul. Słowiańska 12, 62-065 Grodzisk Wielkopolski, Poland

Electronic delivery address

AE:PL-38909-84252-GVJDI-29

Financials

Revenue history (in k)

Filing timeliness

Financial statements were filed on time, on average 58 days early.

202511/05/2026
202428/04/2025
202329/04/2024
202221/06/2023
202113/07/2022
202005/07/2021

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, region and across Poland in 2025.

Results vs industry

Revenue

This companyUSD 1.00mMedianUSD 419.82kAverageUSD 3.48m

Net profit

This companyUSD 29.62kMedianUSD 19.83kAverageUSD 139.18k

Operating costs

This companyUSD 867.76kMedianUSD 356.67kAverageUSD 3.21m

Assets

This companyUSD 356.28kMedianUSD 229.28kAverageUSD 2.20m

Industry

Authorized Representatives

Damian Kaminiarz – President of the Management Board

Janina Kaminiarz – Attorney-in-fact (sole)

Józef Leszek Kaminiarz – Attorney-in-fact (sole)

Tomasz Kaminiarz – Attorney-in-fact (sole)

Manner of representation

In the case of the appointment of a multi-member management board, each member of the management board is authorised to submit declarations on behalf of the company independently.

Ownership

Owner	Shares	Share value	Stake
Damian Kaminiarzage 48	15	$405.19	30%
Józef Leszek Kaminiarzage 71	20	$540.25	40%
Tomasz Kaminiarzage 47	15	$405.19	30%

Józef Leszek Kaminiarz, Damian Kaminiarz and Tomasz Kaminiarz hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2015-08-01.

Bank spółdzielczy
11 9063 0008 0000 0025 5530 0001

Debt

No entries in the National Debtors Register (KRZ).

Public aid

6 public aid cases recorded, with a total value of $22,908.

Grant date	Purpose	Gross amount	Granting body
Jun 20, 2020	Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts	$2,368$2,368	Prezes Zakładu Ubezpieczeń Społecznych
May 30, 2020	Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts	$2,396$2,396	Prezes Zakładu Ubezpieczeń Społecznych
May 30, 2020	Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts	$2,338$2,338	Prezes Zakładu Ubezpieczeń Społecznych

Competitors

Name	Revenue	Website
Mera-Serwis SglS.K.A.	$65,955,941.98	mera-systemy.pl
Gasluxsp. z o.o.	$3,019,078.75	gaslux.pl
Magnetar Polandsp. z o.o.	$1,526,417.14	magnetar.com.pl
Ideatechsp. z o.o.	$1,376,468.22	idea-tech.pl
Magnetarsp. z o.o.	$598,191.62	magnetar.com.pl
PRS Hydraulic sp. z o.o.sp. k.	$287,011.64	prs-hydraulic.com
Magnetar Europesp. z o.o.	$281,330.78	magnetar.com.pl
Intelweldsp. z o.o.	$87,436.24	intelweld.pl
Lavysp. z o.o.	$69,457.52	lavy.pl
Ink3.Desp. z o.o.	$66,887.78	ink3.de

FAQ

Last updated: 2026-05-11