What is the main business of K&M Developer?

The main business activity of K&M Developer focuses on realization of building projects related to erection of buildings.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on July 12, 2019.

Where is the headquarters located?

The headquarters is located at: ul. Nad Jazem 13, 84-239 Bolszewo.

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?

The company reported a revenue of $15,082 in 2025, which is an increase of 3592.3% compared to 2024.

Is the company profitable?

No, the company recorded a net loss of $196 in 2025. For comparison, in 2024 the loss was $5,666, meaning the company reduced its loss by 96.6%.

What is the largest operating cost?

The largest operating cost category falls under external services. This category amounted to $15,278 in 2025, representing 100% of all operating expenses.

K&M Developersp. z o.o.

Realization of building projects related to erection of buildings

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2019-07-12

Share capital

5 000,00 PLN

Activity description

K&M Developer builds homes and residential estates in Wejherowo, Bolszewo, Reda, Rumia and nearby towns. Its projects include Willa Prestige Banino, Osiedle Prestige and Baltic Sand, and its owners have extensive experience in residential and industrial construction.

Registered address

ul. Nad Jazem 13, 84-239 Bolszewo, Poland

Website

kmdeveloper.pl

Social media

Electronic delivery address

AE:PL-95180-40313-GVUIC-12

Financials

1 of the last 5 financial statements were filed late.

Revenue history (in k)

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

Revenue

This companyUSD 15.08kMedianUSD 140.04kAverageUSD 1.44m

Net profit

This companyUSD -195.63MedianUSD 266.32AverageUSD 143.38k

Operating costs

This companyUSD 15.28kMedianUSD 105.95kAverageUSD 1.17m

Assets

This companyUSD 2.65kMedianUSD 499.28kAverageUSD 3.95m

Industry

Authorized Representatives

Mariola Rost – President of the Management Board

Manner of representation

Each member of the management board independently.

Ownership

Owner	Shares	Share value	Stake
Krzysztof Kazimierz Rost (52)	25	$675.31	50%
Mariola Maria Rost (51)	25	$675.31	50%

Krzysztof Kazimierz Rost and Mariola Maria Rost hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Subsidiaries

	Name	Stake
	K&M Developersp. z o.o. + limited partnership	–

Bank accounts

Registered as a VAT taxpayer on 2019-08-09.

Bank spółdzielczy
68 8350 0004 0000 2741 2000 0010

Debt

No entries in the National Debtors Register (KRZ).

Public aid

Grant date	Purpose	Gross amount	Granting body
Jun 10, 2020	Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts	$1,282$1,282	Starosta Powiatu Wejherowskiego

Competitors

Name	Revenue	Website
Willbud Budownictwo M. WillaS.K.A.	$40,864.51	willbud.pl
Hrms Invest Groupsp. z o.o.	$37,989.44	hrms-invest.pl
My Family Homesp. z o.o.	$23,341.27	myfamilyhome.pl
Rehouse Development sp. z o.o.sp. k.	$19,783.05	rehouse.pl
Dom.Developer Betasp. z o.o.	$15,067.81	domdeveloper.com.pl
Invest Projektsp. z o.o.	$11,862.72	invest-projekt.eu
GAJA Homesp. z o.o.	$10,669.12	gajahome.eu
All Investsp. z o.o.	$10,273.20	allinvest.pl
@Lianssp. z o.o.	$5,920.95	alians.eu
Engawa J. Dobrowolska, M. Jękot - FalskaS.K.A.	$5,516.03	genus.pl

FAQ

Last updated: 2026-06-16