The database of public procurement
Company
Koßmann GmbH
Koßmann GmbH from Kappel-Grafenhausen has been awarded 2 public contracts by 2 contracting authorities since 2018 (as of 22 Oct 2026).
As of: · Source: official notices (Datenservice Öffentlicher Einkauf, CC0), EU Official Journal (TED) and procurement portals · How we count
Awards per year
2025: €262,255. The current year is incomplete.
Timeline, 36 months
One dot per award in the month of the notice, sized by value, red when there was only one bid. Click a dot to open the notice.
The network around Koßmann
Contracting authorities
Contracting authorities and neighbours from the award notices, planners from the office register, brands from the bills of quantities of the tender before the award. Figures are lots.
Competitors
With count, location and latest award, each with a profile. See everything with Pro
Who wins with the 2 most frequent contracting authorities of this company in Sewer and pipeline construction.
References: recently won
| Date | Lot | Contracting authority | Value | Bids |
|---|---|---|---|---|
| 27 Nov 2025 | Kanalsanierung Rheinfelden, Ortsteil Minseln - Bauleistungen (Einzelschadstellen- und Schlauchlinersanierung)Sewer and pipeline construction · Source (Council paper) | Stadt Rheinfelden (Baden) | €262,255 | 2 |
| 3 Jul 2018 | KanalsanierungsarbeitenSewer and pipeline construction · Source (Council paper) | Gemeinde Teningen | €95,529 | 4 |
The 2 most recent of 2. All with Pro.
Bids without award
3 procurements with a bidder list in which this company bid and did not win.
| Date | Procurement | Rank | Own bid | Awarded to |
|---|---|---|---|---|
| 14 Sep 2023 | Kanalsanierung Rheinfelden, Ortsteil KarsauStadt Rheinfelden (Baden) · Source (Council paper) | 1 of 1by price | €468,861 | Koßmann, Kanal- und Umwelttechnik GmbHContract sum €468,861 |
| 26 Jul 2016 | Kanalsanierung in geschlossener Bauweise 2016Stadtentwässerung Eppingen · Source (Council paper) | 5 of 5 | €483,196+31.4% | Pfaffinger GmbH€367,842 |
| 15 Jul 2010 | Kanalsanierung nach Eigenkontrollverordnung, Nördliche Innenstadt, Los 1 Schlauch-ReliningEigenbetrieb Stadtentwässerung Ludwigsburg · Source (Council paper) | 17 of 19 | €422,424+56.4% | Jeschke Umwelttechnik GmbH€270,065 |
From the bidder lists of procurement portals and council papers (since 23 Sep 2026), matched by company key. The date is the award, otherwise the publication. Rank according to the evaluation; where the list has none (cancellations, papers without evaluation), by price. The gap is measured against the winning bid from the same list; if the list only states the contract sum, no gap is shown.
Bid comparison
| Rank | Bidder | Bid |
|---|---|---|
| 1 | KoßmannAwardKappel-Grafenhausen | €262,255 |
| 2 | Bieter 2 | €355,426+35.5% |
Bidder lists with prices for awards to this company, from procurement portals and council papers (since 23 Sep 2026). Under each price the gap to the lowest bid.
EU-wide awards 2006 to 2023
No EU-wide award under this name between 2006 and 2023.
Questions and answers
How many public contracts has Koßmann GmbH won?
Koßmann GmbH has received 2 contract awards from public tenders since 2018, most recently on 27 Nov 2025. The notices state a combined value of €357,784. When the company won, there were 3 bids on average.
Which contracting authorities does Koßmann GmbH work for most often?
Most awards came from Stadt Rheinfelden (Baden) (1) and Gemeinde Teningen (1). In total there are 2 contracting authorities.
In which trades does Koßmann GmbH win public contracts?
Most awards fall under the trade “Sewer and pipeline construction” (2). The trade is assigned from the CPV code and the title of the lot.