What 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
Gmina Konstancin-Jeziorna
Active tenders
1
bids can still be submittedTotal notices
189
full history in our databaseAwards
28
with specified award amountValue of awards
136,5 mln zł
total value of awarded contractsActive tenders
Procedures for which bids can still be submitted — sorted by submission deadline.
| 2026-10-07 | Purchase including delivery of equipment and supplies under the Civil Protection and Ci… |
| 2026-10-08 | Reconstruction of the municipal road ul. Mickiewicza in Konstancin-Jeziorna |
Award history
Who wins most often with this contracting authority
| Poczta Polska Spółka Akcyjna | 2 won |
| JARPER sp. z o.o. | 2 won |
| MKM Market Małgorzata Modzelewska | 2 won |
| PRZEWÓZ OSÓB MAREK KOWALSKI | 2 won |
| Kruszywosort PPHU Wiktor Siadaczka | 2 won |
| Fal-Bruk Sp. z o.o. Sp.k. | 2 won |
| EGOÉ PL Sp. z o.o. | 1 won |
| Arkas-Projekt Spółka z ograniczoną odpowiedzialnością | 1 won |
| GIERMAKOWSKA ROBOTY DROGOWE I BRUKARSKIE BUDOWA KORTÓW … | 1 won |
| GENERALI TU SA | 1 won |
| InterRisk TU S.A. Vienna Insurance Group, | 1 won |
| CERMAT-PRODBET sp. z o.o. | 1 won |
Industries the entity orders in
Construction work 57Architectural, engineering services 50Environment, cleaning 28Fuels, energy 8Transport services 7Agricultural, forestry, horticultural 6Business and legal services 5Software, IT systems 4
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