🇩🇪 Germany · Winning supplier
Ingenieurgesellschaft Dr. Siekmann + Partner mbH
Ingenieurgesellschaft Dr. Siekmann + Partner mbH has won 10 government contracts since 2025 — across 9 agencies in environmental services.
10 Contracts won
9 Agencies
2 Sectors
€3.3M Total won
Wins by year
Hover a year for detail
| Year | Wins | Value · € |
|---|---|---|
| 2025 | 7 | €2,917,499 |
| 2026 | 3 | €401,409 |
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Full contract history & spend breakdowns
10 contractsThe full per-contract award list with dates and amounts — not just the top few.
Tender no.BuyerAmountDateSector
Sectors won in
count · valueBiggest wins
ocds-ted-316006-2025€928K
Verbandsgemeinde Ransbach-Baumbach16 May 2025
ocds-ted-317511-2025€909K
Verbandsgemeinde Ransbach-Baumbach16 May 2025
ocds-ted-839320-2025€736K
Verbandsgemeinde Altenahr17 Dec 2025
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Every buyer this supplier sells to
9 agenciesThe complete buyer list ranked by spend, with last award and share of contracts — plus CSV / API export.
#BuyerTotal awardedLast awardContractsShare
- 1Verbandsgemeinde Ransbach-Baumbach€1.8M16 May 2025220%
- 2Verbandsgemeinde Altenahr€736K17 Dec 2025110%
- 3Ortsgemeinde Hillscheid€299K18 Feb 2026110%
Full dataset
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