What is the main business of Instsan Andrzej Siemla?

The main business activity of Instsan Andrzej Siemla 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 February 5, 2026.

The headquarters is located at: 66A, 05-190 Cegielnia Psucka.

The share capital of the company is PLN 5,000 (approx. $1,351).

KRS: NIP: REGON:

Status

Active

Registry date

2026-02-05

Share capital

5,000.00 PLN

Registered address

66A, 05-190 Cegielnia Psucka, Poland

Instsan Andrzej Siemla is the contractor in one public sector contract, worth USD 21.61k.

Signed on	Subject	Amount	Public buyer
Sep 11, 2026	Repair of the heating substation in the building of Izba Administracji Skarbowej w Warszawie located at ul. Felińskiego 2b, covering the hot water system, including heat exchangers and a circulation pump	$21,610	Izba Administracji Skarbowej w Warszawie

Andrzej Siemla – President of the Management Board

Each member of the management board is authorized to make declarations on behalf of the company independently.

Owner	Shares	Share value	Stake
Andrzej Siemlaage 52	51	$688.82	51%
Monika Siemlaage 48	49	$661.80	49%

Andrzej Siemla and Monika Siemla hold a combined 100% – the ownership structure indicates family control.

Person	Rights

Registered as a VAT taxpayer on 2026-03-04.

No entries in the National Debtors Register (KRZ).

No public aid cases recorded in the last 10 years.

Name	Revenue	Website
Elektrotermexsp. z o.o.	$14,638,860.11	etx.pl
Antinussp. z o.o.	$7,262,905.64	antinus.pl
Eco Living Conceptsp. z o.o.	$58,816.22	ecolivingconcept.pl
EKO Technology Groupsp. z o.o.	$39,731.29	ekotechnology.pl
Enronsp. z o.o.	$29,826.78	malpiegaje.pl
Green Energy Ozesp. z o.o.	$2,868.71	greenenergypv.pl
Sanfach Inwestycjesp. z o.o.	–	sanfach.pl
Proinstal Groupsp. z o.o.	–	proinstal.radom.pl
Cooleer S. Jarecki, T. Pęcaksp. z o.o.	–	cooleer.pl
Hydro-Mat Wsp. z o.o.	–	hydromatmajchrzak.pl

Last updated: 2026-04-27