Overview
ZDI has provided investment consulting and investor representation for 32 years, preparing design documentation and managing construction contracts and investor supervision. The company also provides surveying services and supports projects in infrastructure, environmental protection and building construction throughout Poland.
- Al. Wyzwolenia 6, 35-501 Rzeszów
- ul. Mełgiewska 9E, 20-209 Lublin
- ul. Zakliki z Mydlnik 16, 30-198 Kraków
Financials
Revenue history (in m)
Filing timeliness
1 of 6 financial statements was filed late (for 2023, 1 day late). All were audited by a statutory auditor.
- 202515/07/2026
- 202414/07/2025
- 202316/07/2024
- 202213/07/2023
- 202113/06/2022
- 202002/07/2021
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, city, voivodeship and across Poland in 2025.
Results vs industry
Industry
Offer
- Investment consulting
- Design documentation
- Construction contract management
- Investor supervision
- Surveying services
Website technology
- Website
- WordPress
- Analytics and marketing
- Google Analytics
Public procurement
70 tenders recorded as contractor: 42 national ($4,038,019) and 28 EU ($18,070,660).
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Oct 28, 2026 | Contract engineer services for the investment involving the reconstruction and expansion of the wastewater treatment plant in Cedrowice to increase its capacity | $467.3K$467,315 | Ozorkowskie Przedsiębiorstwo Komunalne | |
| Oct 23, 2026 | Preparation of design and cost-estimate documentation and provision of author’s supervision for the construction and reconstruction of a pedestrian and cycle route, including the construction of lighting along the Bystrzyca River in Lublin | $328K$328,024 | Zarząd Inwestycji Miejskich w Lublinie | |
| Oct 5, 2026 | Provision of multidisciplinary supervision for the project to protect, develop and promote the cultural heritage and services in the field of culture of mof Przemyśl | –– | Gmina Miejska Przemyśl |
Authorized Representatives
Manner of representation
President of the Management Board – independently; Vice-President of the Management Board – independently; a member of the management board – jointly with the second member of the management board
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Zdzisław Ostaszage 48 | 1,415 | $248,446.79 | 64.3182% |
Arkadiusz Jakub Wiśniewskiage 48 | 603 | $105,875.20 | 27.4091% |
Others | 182 | $31,955.70 | 8.2727% |
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 1995-01-02.
76 1020 5356 0000 1802 0201 1666- 88 1020 1068 0000 1302 0359 0155
15 1140 1094 0000 7185 5600 1002
Debt
No entries in the National Debtors Register (KRZ).
Public aid
33 public aid cases recorded, with a total value of $1,310,634.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jun 23, 2026 | Aid for research and development projects: experimental development | –– | Dyrektor Narodowego Centrum Badań i Rozwoju | |
| Jun 23, 2026 | Aid for research and development projects: industrial research | –– | Dyrektor Narodowego Centrum Badań i Rozwoju | |
| Apr 27, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Prezes Banku Gospodarstwa Krajowego |
European Funds
| Start | Project | EU co-financing | Programme | |
|---|---|---|---|---|
| 2027-01-01 | Development of an integrated process to improve the standard of monitoring railway infrastructure maintenance in the areas of surveying and vibration control | $927.3K$927,322 | European Funds for a Modern Economy | |
| 2020-07-01 | Working capital grant for ZDI Sp.z o.o. in Zamość | $74,127$74,127 | Operational Programme Eastern Poland |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| TPFsp. z o.o. | $13,803,434.35 | tpf.com.pl | ||
| IAV Polandsp. z o.o. | $13,777,655.22 | iav.com | ||
| Ichemad - Profarbsp. z o.o. | $12,927,102.82 | ichemad-profarb.com | ||
| DTŚS.A. | $11,595,579.76 | dts-sa.pl | ||
| Infracdsp. z o.o. | $11,482,224.73 | infracd.pl | ||
| Funamsp. z o.o. | $11,241,293.24 | funam.pl | ||
| Orlen GazoprojektS.A. | $10,683,548.12 | gazoprojekt.pl | ||
| Antea PolskaS.A. | $10,215,218.48 | anteagroup.pl | ||
| Europrojekt GdańskS.A. | $9,373,399.18 | europrojekt.pl | ||
| B-ActS.A. | $8,386,373.63 | b-act.com.pl |
Change history
| Date | Event | |
|---|---|---|
| 2026-09-01 | PKD change (Removed: 42.99.Z; Added: 77.11.Z) | |
| 2016-08-11 | Name change (Zamojska Dyrekcja Inwestycji "zdi" → Zdi) | |
| 2015-02-06 | Share capital increase (1,100,000.00 PLN → 1,430,000.00 PLN) | |
| 2011-02-18 | Share capital increase (690,500.00 PLN → 1,100,000.00 PLN) | |
| 2010-02-04 | Share capital increase (568,500.00 PLN → 690,500.00 PLN) |
FAQ
Last updated: 2026-10-07