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
Koss GmbH
Ref. no. a94c1341eb514a0cb5abeebfc7457e53
Contractor profile Koss GmbH in public procurement: •••• won by •••• nabywców. Below: sectors, who awards to them, and recent contracts.
Won tenders
••••
Buyers
••••
🔒 Full figures, values and contract history — after free registration. Create a free account →
Industries (CPV)
45 Construction work · 450 Repair, maintenance services · 1
Who they win with
| Buyer | Wygrane |
|---|---|
| Bundesanstalt für Immobilienaufgaben | 1 |
| Gemeinde Bispingen | 1 |
| Gemeinde Wennigsen (Deister) | 1 |
| Gottfried Wilhelm Leibniz Universität Hannover Stiftung Öffentlichen Rechts/ Dezernat 3, Gebäudemanagement Sachgebiet 36 Vergabe- und Vertragswesen | 1 |
| Stadt Garbsen Zentrale Vergabestelle 22.10 | 1 |
Activity over time
1
2024
3
2025
1
2026
Competitors
Companies that win with the same contracting authorities.
| Contractor | Joint purchasers | Wins |
|---|---|---|
| KONE GmbH | 3 | 4 |
| Klüh Cleaning GmbH | 2 | 13 |
| AWR All Wacht Rennwanz GmbH | 2 | 3 |
| Caverion Deutschland GmbH | 2 | 2 |
| Janisch GmbH | 2 | 2 |
| Kümper + Schwarze Baubetriebe GmbH | 2 | 2 |
| ISD Immobilien Service Deutschland GmbH & Co. KG | 1 | 29 |
| Müllers GmbH | 1 | 28 |
Who beats them, and by how much
After free registration this profile shows the full picture: which procedures Koss GmbH bid in, who beat them, by what price margin — and where they won.
Open tenders in these industries
In sectors where this company wins (Construction work, Repair, maintenance services), trwa teraz 14 052 proceedings. Bids can still be submitted.
| Deadline | Subject | Contracting authority |
|---|---|---|
| 2026-10-02 | Notice of a tender conducted in the basic mode without negoti… | GMINA LIW |
| 2026-10-02 | Notice of a tender conducted in the basic mode without negoti… | GMINA LIW |
| 2026-10-02 | Notice of a tender conducted in the basic mode without negoti… | GMINA LIW |
| 2026-10-02 | Repair and maintenance of printers and multifunction devices | (zamawiajacy w EKS) |
| 2026-10-02 | Germany – Building construction work – New construction of OG… | Gemeinde Memmelsdorf |
| 2026-10-02 | Luxembourg – Installation of heating, ventilation and air con… | Le Fonds Belval |
Recent wins
| Data | Przedmiot | Nabywca | Value |
|---|---|---|---|
| Gemeinde Wennigsen (Deister) | — | ||
| Gottfried Wilhelm Leibniz Univers… | — | ||
| Stadt Garbsen Zentrale Vergabeste… | — | ||
| Gemeinde Bispingen | — | ||
| Bundesanstalt für Immobilienaufga… | — |
Full contractor profile — skuteczność (win-rate z otwarć ofert), bezpośredni rywale (H2H), pozycja cenowa i monopole u nabywców. Create account