KJK Budownictwosp. z o.o.
Other engineering activities and related technical consultancy
Overview
KJK Budownictwo provides technical services for developers, property managers and real estate agents, including energy performance certificates, annual and five-year building inspections, and technical opinions and expert assessments. The company also prepares bills of quantities and construction cost estimates; energy certificates are available throughout Poland, while inspections and assessments cover the Tricity area and surroundings.
Financials
Data and insights are generated automatically based on financial statements and may contain errors. This analysis is for informational purposes only and does not constitute an official assessment of the company's credibility or business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2025.
Results vs industry
Industry
Bank accounts
Registered as a VAT taxpayer on 2025-04-29. Active
07 1050 1764 1000 0090 8505 5334
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
No public aid cases recorded in the last 10 years.
Tenders
No recorded participation in tenders.
Authorized Representatives
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 |
|---|---|---|---|
Krzysztof Jan Kaczmarek (35) | 50 | $675.31 | 50% |
Sara Kaczmarek (34) | 50 | $675.31 | 50% |
Krzysztof Jan Kaczmarek and Sara Kaczmarek hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Krzysztof Jan Kaczmarek (35)  | Shareholder of a limited liability company, 2500.0 PLN |
Sara Kaczmarek (34) | Shareholder of a limited liability company, 2500.0 PLN |
Competitors
Selected automatically: mainly by similarity of the business description, plus comparable revenue, industry (PKD code) and location. Only companies with a complete profile (including a logo and financial data) are shown. The list is indicative.
| Name | Revenue | Website | |
|---|---|---|---|
| Warszawskie Centrum Postępu Techniczno-Organizacyjnego Budownictwa Wacetobsp. z o.o. | $243,770.53 | wacetob.com.pl | |
| Prospectionsp. z o.o. | $212,407.97 | prospection.pl | |
| Doradztwo Energetyczne Jawna Energiasp. z o.o. | $177,904.85 | jawnaenergia.pl | |
| Ekocertsp. z o.o. | $156,096.90 | ekocert.com.pl | |
| Projetsp. z o.o. | $115,825.78 | projet.pl | |
| KMB Projektysp. z o.o. | $68,039.43 | kmbprojekty.pl | |
| BJTsp. z o.o. | $67,674.37 | bjt.com.pl | |
| Dobry Inżyniersp. z o.o. | $50,411.12 | dobry-inzynier.pl | |
| Inwest-Budsp. z o.o. | $40,306.03 | inwest-bud.org.pl | |
| Km-Constructionsp. z o.o. + limited partnership | $32,527.70 | km-construction.pl |
FAQ
Last updated: 2026-03-31