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
Dipl.-Ing.- Stefan Ritzer Beratende Ingenieure VDI/BYIK
Ref. no. 0002
Contractor profile Dipl.-Ing.- Stefan Ritzer Beratende Ingenieure VDI/BYIK 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 · 1245 Construction work · 231 Electrical equipment · 165 Utilities (water, energy) · 172 IT services · 173 Research and development · 1
Who they win with
| Buyer | Wygrane |
|---|---|
| Gemeinde Mittelneufnach | 4 |
| Markt Nennslingen | 3 |
| Uisce Éireann | 3 |
| Gemeinde Marklkofen | 2 |
| Klinikum der Technischen Universität München (TUM Klinikum) | 1 |
| Markt Geisenhausen | 1 |
| Schulverband Bad Neualbenreuth | 1 |
| Unione dei Comuni Monte Linas Dune di Piscinas | 1 |
Activity over time
2
2024
13
2025
8
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 <span class="utn" title="Dipl.-Ing.- Stefan Ritzer Beratende Ingenieure VDI/BYIK">Dipl.-Ing.- Stefan Ritzer Beratende Ingenieure VD…</span> 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, Electrical equipment), trwa teraz 15 768 proceedings. Bids can still be submitted.
| Deadline | Subject | Contracting authority |
|---|---|---|
| 2026-10-06 | Germany – Roof insulation – Roofing works - West side roof | Stadt Puchheim |
| 2026-10-06 | Germany – Construction work – Vibrated clinker bricks | Landkreis Nienburg/Weser |
| 2026-10-06 | Luxembourg – Carpentry works – 2576 – Construction of 2 resid… | Fonds du Logement |
| 2026-10-06 | Luxembourg – Gutter installation – 2576 – Construction of 2 r… | Fonds du Logement |
| 2026-10-06 | Purchase of occupational risk assessment (published survey) | UAB Vilniaus viešasis transpo… |
| 2026-10-06 | Germany – Wall covering – Denksteinweg 17 - Impact wall | SBH | Schulbau Hamburg |
Recent wins
| Data | Przedmiot | Nabywca | Value |
|---|---|---|---|
| 2026-08-13 | Niemcy – Usługi inżynieryjne w zakresie projektowania – Gemeinde Mark… | Gemeinde Marklkofen | 263 tys. zł |
| 2026-08-13 | Niemcy – Usługi architektoniczne i podobne – Gemeinde Marklkofen - Sa… | Gemeinde Marklkofen | 577 tys. zł |
| JVA Castrop-Rauxel Zentralstelle … | — | ||
| Gemeinde Mittelneufnach | — | ||
| Klinikum der Technischen Universi… | — | ||
| Freistaat Bayern, vertreten durch… | — | ||
| European Central Bank | — | ||
| Schulverband Bad Neualbenreuth | — | ||
| Markt Geisenhausen | — | ||
| HIgher Education Authority | — |
Full contractor profile — skuteczność (win-rate z otwarć ofert), bezpośredni rywale (H2H), pozycja cenowa i monopole u nabywców. Create account