OfertariumWhat you will see after registration
Documents to submit
- ✓Bid form — attachment no. 1
- ✓Declaration of non-exclusion
- ✓List of supplies from the last 3 years
- ✓Liability insurance — min. 120 000 €
- ✓Proof of bid bond payment
- ✓Power of attorney, if signed by an agent
AI warnings from documentation
- ❗Bid bond 3 500 € — payment before submission deadline
- ⚠Required 2 references after min. 90 000 €
- ⚠Completion deadline 30 days from signing
- ⚠Mandatory site visit — rejection if missed
- ✓No ISO certificate requirement
Budget and competition
3median number of bids
24%tenders with one bid
- ✓Amount from bid opening for this buyer
- ✓Who won there before and for how much
- ✓Suggested price range based on data
Analysis example — specific values depend on the proceeding
Zakład Wodociągów i Kanalizacji Sp. z o.o.
Active tenders
2
bids can still be submittedTotal notices
163
full history in our databaseAwards
32
with specified award amountValue of awards
1,42 mld zł
total value of awarded contractsActive tenders
Procedures for which bids can still be submitted — sorted by submission deadline.
| 2026-10-07 | Strengthening the cyber-resilience of IT and OT networks and business continuity at Zak… |
| 2026-10-07 | Reconstruction of the AC water supply network on Klonowica and Zawadzkiego streets in S… |
Award history
Who wins most often with this contracting authority
| AUDAX RENEWABLES sp. z o.o. | 1 won |
| IEN Energy Sp. z o.o. | 1 won |
| "Kaźmierczak" Przedsiębiorstwo Robót Instalacyjno – Inż… | 1 won |
| REFUNDA Maciocha i Wspólnicy spółka komandytowa | 1 won |
| SENCO SP.Z O.O. | 1 won |
Industries the entity orders in
Construction work 45Fuels, energy 26Chemicals 18Architectural, engineering services 11Laboratory equipment 10Environment, cleaning 9Software, IT systems 7Repair, maintenance services 7
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