What is the main business of House Instal?

The main business activity of House Instal focuses on plumbing, heat and air-conditioning installation.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on October 2, 2023.

Where is the headquarters located?

The headquarters is located at: ul. Morska 20, 75-221 Koszalin.

Who is on the management board?

The management board consists of: Łukasz Adrian Śliwka (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 $5,933 in 2025, which is a decrease of 96.7% compared to 2024.

No, the company recorded a net loss of $2,492 in 2025.

What is the largest operating cost?

The largest operating cost category falls under other operating costs. This category amounted to $7,883 in 2025, representing 94% of all operating expenses.

House Instalsp. z o.o.

Plumbing, heat and air-conditioning installation

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2023-10-02

Share capital

5,000.00 PLN

Activity description

House Instal provides plumbing and gas services in Koszalin and nearby areas, including gas system inspections and alterations, installation and repair of fixtures, and upgrades to central heating and water and sewage systems. The company is an authorized Brötje installer and selects heating systems, including boilers, domestic hot water heaters, heat pumps, and controllers.

Registered address

ul. Morska 20/11, 75-221 Koszalin, Poland

Website

house-instal.pl

Phone

Social media

Financials

Revenue history (in k)

Filing timeliness

1 of 2 financial statements was filed late (for 2025, 2 days late).

202517/07/2026
202410/07/2025

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, region and across Poland in 2025.

Results vs industry

Revenue

This companyUSD 5.93kMedianUSD 332.76kAverageUSD 1.34m

Net profit

This companyUSD -2.49kMedianUSD 13.88kAverageUSD 75.09k

Operating costs

This companyUSD 8.42kMedianUSD 302.38kAverageUSD 1.23m

Assets

This companyUSD 13.45kMedianUSD 193.32kAverageUSD 867.44k

Industry

Offer

Water and sewage installations
Central heating installations
Gas installations
Boiler rooms
Underground installations
Fire hydrant installations

Website technology

Website

WordPress
Elementor

Authorized Representatives

Łukasz Adrian Śliwka – 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
Dorota Małgorzata Śliwkaage 59	30	$405.19	30%
Łukasz Adrian Śliwkaage 34	70	$945.43	70%

Łukasz Adrian Śliwka and Dorota Małgorzata Śliwka hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2023-11-01.

mBank
09 1140 2004 0000 3502 8419 4145

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
Modern Bud Instalsp. z o.o.	$23,540.13	modernbudinstal.pl
Instalonsp. z o.o.	$23,070.03	instalon.com.pl
Celsjuszsp. z o.o.	$21,062.27	onoze.eu
Terma-PROsp. z o.o.	$19,622.77	terma-pro.pl
Hydraulicypolskasp. z o.o.	$18,096.31	hydraulicypolska.com
Powerthermsp. z o.o.	$13,586.76	powertherm.pl
Prosolution Hubsp. z o.o.	$10,462.15	zamontujpompeciepla.pl
Centrum Inwestycyjne Kolektory Słonecznesp. z o.o.	$6,837.34	centruminwestycyjne.com
Instal-Msp. z o.o.	$5,650.62	instal-m.pl
Budo-COM Instalacjesp. z o.o.	$1,918.32	budo-com.pl

Change history

Date	Event
2025-11-13	Business resumed
2025-01-16	Business suspended
2024-04-03	Address change (Rynek Staromiejski 36/38, 87-100, Toruń → Ul. Morska 20/11, 75-221, Koszalin)
2023-10-02	Entered in the register

FAQ

Last updated: 2026-07-17