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
GMINA MIASTO SIERADZ
Active tenders
2
bids can still be submittedTotal notices
65
full history in our databaseAwards
7
with specified award amountValue of awards
7,8 mln zł
total value of awarded contractsActive tenders
Procedures for which bids can still be submitted — sorted by submission deadline.
| 2026-09-24 | Reconstruction of Górna Street in Sieradz. |
| 2026-09-24 | Construction of an amphitheater in Sieradz |
Award history
| 2026-09-15 | Modernizacja sieci LAN w budynku Urzędu Miasta Sieradza won: Technitel Polska S.A. · 833 571 PLN |
| 2026-08-07 | Nadzór inwestorski nad przebudową i rewitalizacją Parku Staromiejskiego w Sieradzu w ra… won: Garden Products.pl Piotr Gulczyński · 218 940 PLN |
| 2026-07-27 | Dostawa busa typu hybryda plug-in do przewozu osób niepełnosprawnych won: Auto-Fan Grzegorz Stępień · 247 000 PLN |
| 2026-06-26 | Termomodernizacja budynku Urzędu Miasta Sieradza won: DEFERO Sp. z o.o. · 2 395 757 PLN |
| 2026-06-24 | Organizacja Sieradz Open Hair Festival 2026 won: Nastula Events Sp. z o.o. · 78 167 PLN |
| 2026-06-09 | Organizacja Sieradz Open Hair Festival 2026 won: Bossa Nova Events Sp. z o.o. · 148 018 PLN |
| 2026-06-08 | Rozbudowa ul. gen. Stefana Roweckiego-Grota w Sieradzu won: Przedsiębiorstwo Produkcyjno-Handlowo-Usługow… · 3 906 539 PLN |
Who wins most often with this contracting authority
| Asseco Data Systems S.A. | 2 won |
| VULCAN sp. z o. o. | 2 won |
| Bossa Nova Events Sp. z o.o. | 1 won |
| Compensa Towarzystwo Ubezpieczeń S.A. Vienna Insurance … | 1 won |
| Compensa TU S.A. Vienna Insurance Group | 1 won |
| DEFERO Sp. z o.o. | 1 won |
| DROMEX Firma Handlowo-Usługowa Roboty Drogowo-Budowlane… | 1 won |
| F.H.U. INSTAL Marek Lewandowski | 1 won |
| Garden Products.pl Piotr Gulczyński | 1 won |
| MAGvet M. Szturma, A. Swiniarska, spółka jawna | 1 won |
| Nastula Events Sp. z o.o. | 1 won |
| Przedsiębiorstwo Budowlane "KROL" Sp. z o. Sp. komandyt… | 1 won |
Industries the entity orders in
Construction work 20Business and legal services 6Architectural, engineering services 6Office equipment, computers 5Health, social care 4IT services 4Repair, maintenance services 3Postal, telecommunications 2
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