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
195
full history in our databaseAwards
34
with specified award amountValue of awards
142,6 mln zł
total value of awarded contractsActive tenders
Procedures for which bids can still be submitted — sorted by submission deadline.
| 2026-11-23 | Delivery and installation service of street lighting equipment with remote control in t… |
| 2026-12-11 | Poland – Engineering design services – Development of design and cost estimate document… |
Award history
Who wins most often with this contracting authority
| Fal-Bruk Sp. z o.o. Sp.k. | 3 won |
| JARPER sp. z o.o. | 2 won |
| Kruszywosort PPHU Wiktor Siadaczka | 2 won |
| PRZEWÓZ OSÓB MAREK KOWALSKI | 2 won |
| Poczta Polska Spółka Akcyjna | 2 won |
| MKM Market Małgorzata Modzelewska | 2 won |
| GIERMAKOWSKA Roboty Drogowe i Brukarskie Budowa Kortów … | 2 won |
| EGOÉ PL Sp. z o.o. | 1 won |
| DROGOWIEC Jakubecki, Milewski, Sietejko Sp.k. | 1 won |
| Arkas-Projekt Spółka z ograniczoną odpowiedzialnością | 1 won |
| GENERALI TU SA | 1 won |
| Frank-Cars sp. z o.o. | 1 won |
Industries the entity orders in
Construction work 60Architectural, engineering services 51Environment, cleaning 28Fuels, energy 8Transport services 7Agricultural, forestry, horticultural 6Business and legal services 5Software, IT systems 4
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