Overview
Promost Consulting designs road and railway infrastructure, bridge structures using BIM and FRP composites, and projects related to environmental protection and renewable energy. The company provides project management, investment supervision, consulting, and research and development services, and inspects bridges using autonomous unmanned aerial vehicles.
Financials
Revenue history (in k)
Filing timeliness
1 of 6 financial statements was filed late (for 2021, 59 days late).
- 202518/06/2026
- 202408/07/2025
- 202303/07/2024
- 202228/06/2023
- 202112/09/2022
- 202020/05/2021
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
Industry
Public procurement
Promost Consulting has been a party to 8 cases before the National Appeal Chamber (since 2012). It filed 3 appeals (1 upheld, 2 dismissed). In 5 cases it joined the proceedings as a participant.
| Date | Subject of dispute | Outcome | Other party | |
|---|---|---|---|---|
| Apr 17, 2026 | Procurement | Discontinued | Skarb Państwa – Generalny Dyrektor Dróg Krajowych i Autostrad | |
| Aug 26, 2025 | Act of unfair competition | Dismissed | Skarb Państwa Generalny Dyrektor Dróg Krajowych i Autostrad | |
| Nov 2, 2022 | Judgment | Upheld | Generalna Dyrekcja Dróg Krajowych i Autostrad |
Authorized Representatives
Manner of representation
In the case of a multi-member management board, the President of the Management Board is authorized to submit declarations of will on behalf of the company independently, the Vice-President of the Management Board independently, or two members of the management board jointly, or one member of the management board jointly with a commercial proxy.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Irena Urszula Siwowskaage 66 | 50 | $6,753.11 | 50% |
Tomasz Wojciech Siwowskiage 65 | 50 | $6,753.11 | 50% |
Irena Urszula Siwowska and Tomasz Wojciech Siwowski hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Subsidiaries
| Name | Stake | |
|---|---|---|
Promost Consultingsp. z o.o. + limited partnership | – |
Bank accounts
Registered as a VAT taxpayer on 2008-02-12.
63 1750 1224 0000 0000 2611 2273- 09 1600 1462 1084 1061 6000 0002
Debt
No entries in the National Debtors Register (KRZ).
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Sep 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $2,182$2,182 | Prezes Zakładu Ubezpieczeń Społecznych | |
| Jun 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $2,182$2,182 | Prezes Zakładu Ubezpieczeń Społecznych | |
| Apr 28, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $2,182$2,182 | Prezes Zakładu Ubezpieczeń Społecznych |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Infraroadsp. z o.o. | $546,371.55 | infraroad.pl | ||
| Visible Linesp. z o.o. | $475,313.88 | visible-line.com | ||
| Prodesignsp. z o.o. | $398,704.76 | prodesign.com.pl | ||
| Projektivsp. z o.o. | $354,805.52 | projektiv.pl | ||
| Arch-Bimsp. z o.o. | $323,138.33 | archbim.pl | ||
| Proinwestasp. z o.o. | $264,608.59 | proinwesta.pl | ||
| PRO Studio Pracownia Projektowasp. z o.o. | $190,826.56 | pracowniaprostudio.pl | ||
| WIS Projektsp. z o.o. | $166,768.75 | wisprojekt.pl | ||
| Projekt Plus Precastsp. z o.o. | $158,375.53 | pplus.com.pl | ||
| LA Projektsp. z o.o. | $146,241.66 | la-projekt.pl |
Change history
| Date | Event | |
|---|---|---|
| 2018-02-20 | Address change (Ul. Żołnierzy 10 Sudeckiej Dywizji Piechoty 4, 35-307, Rzeszów → Ul. Jana Niemierskiego 4, 35-307, Rzeszów) | |
| 2018-01-18 | Address change (Bohaterów 10 Sudeckiej Dywizji Piechoty 4, 35-307, Rzeszów → Ul. Żołnierzy 10 Sudeckiej Dywizji Piechoty 4, 35-307, Rzeszów) | |
| 2015-08-12 | PKD change (Removed: 46, 47; Added: 71.11.Z) | |
| 2010-01-13 | Address change (Świętej Faustyny 64, 35-330, Rzeszów → Bohaterów 10 Sudeckiej Dywizji Piechoty 4, 35-307, Rzeszów) | |
| 2010-01-13 | Switch to PKD 2007 (11 PKD 1997 codes → 11 PKD 2007 codes) |
FAQ
Last updated: 2026-06-19