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
Ingenieurbüro Stefan Ritzer Beratende Ingenieure
Ref. no. 0003
Contractor profile Ingenieurbüro Stefan Ritzer Beratende Ingenieure in public procurement: •••• won by •••• nabywców, total value ~••••. Below: sectors, who awards to them, and recent contracts.
Won tenders
••••
Buyers
••••
Total value (est.)
••••
🔒 Full figures, values and contract history — after free registration. Create a free account →
Industries (CPV)
71 Architectural, engineering services · 9545 Construction work · 990 Environment, cleaning · 479 Business and legal services · 373 Research and development · 177 Agricultural, forestry, horticultural · 1
Who they win with
| Buyer | Wygrane |
|---|---|
| Stadt Mainburg | 14 |
| Landkreis Passau | 8 |
| Stadt Hilpoltstein | 8 |
| Stadt Kulmbach | 6 |
| Regens-Wagner-Stiftung Dillingen, als Rechtsträger von Regens Wagner Burgkunstadt, vertreten durch die Direktion der Regens-Wagner-Stiftungen | 5 |
| Landkreis Ebersberg | 5 |
| Regens-Wagner-Stiftung Lauterhofen, als Rechtsträger von Regens Wagner Lauterhofen, vertreten durch die Direktion der Regens-Wagner-Stiftungen | 5 |
| Stadt Pfarrkirchen | 5 |
Activity over time
9
2024
79
2025
29
2026
Competitors
Companies that win with the same contracting authorities.
Who beats them, and by how much
After free registration this profile shows the full picture: which procedures Ingenieurbüro Stefan Ritzer Beratende Ingenieure bid in, who beat them, by what price margin — and where they won.
Open tenders in these industries
In sectors where this company wins (Architectural, engineering services, Construction work, Environment, cleaning), trwa teraz 18 851 proceedings. Bids can still be submitted.
| Deadline | Subject | Contracting authority |
|---|---|---|
| 2026-10-07 | Germany – Roof covering and roof construction works and relat… | Bauwerke Münster GmbH |
| 2026-10-07 | Germany – Ventilation installation – Construction - VOB - LV2… | BBS Bau- und Betriebsservice … |
| 2026-10-07 | Harju County, Kuusalu Municipality, Muuksi village, Orunõlva … | Elektrilevi OÜ |
| 2026-10-07 | Rapla County, Märjamaa Municipality, Leevre village, Märjamaa… | Elektrilevi OÜ |
| 2026-10-07 | Replacement of warehouse doors at KOP AB 5G1b | Lietuvos kariuomenės Karinių … |
| 2026-10-07 | 186 Delivery and installation of street furniture in the area… | Areszt Śledczy w Lublinie |
Recent wins
Full contractor profile — skuteczność (win-rate z otwarć ofert), bezpośredni rywale (H2H), pozycja cenowa i monopole u nabywców. Create account