Stadtwerke Konstanz GmbH: public contracts and tenders
Stadtwerke Konstanz GmbH awarded 14 public contracts worth €5.1M where a value is stated since 2023-11-08; the construction work contract held by Franz Lohr GmbH ends on 2027-03-16 (end date stated). Source: Arcadium Data, data as of .
Awarded value = the award values the notices state (EUR at the notice date), 2 of 14 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
Buyer
| Field | Value |
|---|---|
| Name | Stadtwerke Konstanz GmbH |
| Country | Germany |
| Buyer type | Local authority |
| City | Konstanz |
| Sources | EU TED |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| Baustatik Relling GmbH | 2 | n/a | ||
| Franz Lohr GmbH | 2 | n/a | ||
| EGS-plan GmbH | DE218431901 VAT | egs-plan.de | 1 | n/a |
| P&I Personal & Infromatik AG | DE812576084 VAT | pi-ag.com | 1 | n/a |
| Aptean Austria GmbH | 1 | n/a | ||
| AZ Bautenschutz GmbH | 1 | €3.7M | ||
| Bremer Beschichtung Münker GmbH | 1 | n/a | ||
| DB Energie GmbH | 1 | n/a | ||
| ing Kess GmbH | 1 | n/a | ||
| Maler-Buhmann GmbH | 1 | n/a | ||
| nextbike GmbH | 1 | n/a | ||
| ÖSWAG Werft Linz GmbH | 1 | n/a | ||
| Pan Dacom Direkt GmbH | 1 | n/a | ||
| wurm Gesamtplanung Architekt Ingenieur Sachverständiger PartG mbH | 1 | n/a |
Suppliers named on Stadtwerke Konstanz GmbH's award notices; registry number and website where the supplier is linked to its register entry. Winners that could be a private person are withheld.
Contracts ending in the next 18 months
| Ends | Contract | Current holder | Value | End date basis |
|---|---|---|---|---|
| 2027-03-16 | Instandsetzung Tiefgarage Augustinerplatz Elektrotechnik | n/a | end date stated | |
| 2027-03-16 | Instandsetzung Parkhaus Augustinerplatz Sanitär- und Luftungstechnik | Franz Lohr GmbH | n/a | end date stated |
| 2027-04-29 | TG Augustiner Betonsanierung | AZ Bautenschutz GmbH | €3.7M | end date stated |
| 2027-12-31 | 25-011 Konzern Diesel | DB Energie GmbH | n/a | end date stated |
| 2028-01-31 | 26-013 Gasbasiertes Gebäudenetz Schwedenschanze | Franz Lohr GmbH | n/a | end date stated |
| 2028-03-31 | Betrieb Fahrradmietsystem | nextbike GmbH | n/a | end date stated |
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of Stadtwerke Konstanz GmbH whose contract period ends in the next 18 months: the end date the notice states, else its start or signature date plus the stated duration. 6 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
| Deadline | Call for tender | Published | Estimated value |
|---|---|---|---|
| 2026-11-20 | Stadtwerke Konstanz GmbH - Generalplanung Neubau Umspannwerk | 2026-10-20 | n/a |
Calls with a deadline of 2026-10-27 or later (not awarded yet).
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| Construction work | 45 | 2 | €3.7M |
| Software packages and information systems | 48 | 2 | n/a |
| Repair and maintenance services | 50 | 2 | €1.4M |
| Architecture and engineering services | 71 | 2 | n/a |
| Fuel and energy | 09 | 1 | n/a |
| Public utilities | 65 | 1 | n/a |
| IT services | 72 | 1 | n/a |
| Other community and personal services | 98 | 1 | n/a |
Award notices with a named winner, by the main CPV code; value = the total the notices state, in EUR at the notice date; framework agreements (a ceiling, not spend) and implausible values are left out.
Recent awards
| Published | Contract | Winners | Value |
|---|---|---|---|
| 2026-08-25 | 26-013 Gasbasiertes Gebäudenetz Schwedenschanze | Franz Lohr GmbH | n/a |
| 2026-08-10 | Instandsetzung Parkhaus Augustinerplatz Sanitär- und Luftungstechnik | Franz Lohr GmbH | n/a |
| 2026-04-30 | TG Augustiner Betonsanierung | AZ Bautenschutz GmbH | €3.7M |
| 2026-04-20 | Planung des Neubau Wärmeverbund Hafner 1.BA in Konstanz | EGS-plan GmbH, Baustatik Relling GmbH | n/a |
| 2026-03-20 | 26-012 Landrevision FS_Tabor | Maler-Buhmann GmbH, BBM GmbH, ÖSWAG Werft Linz GmbH | €1.4M |
| 2026-02-09 | Planung des Neubau Wärmeverbund Bodensee-Therme in Konstanz mit Seethermie | ing Kess GmbH, wurm Gesamtplanung Architekt Ingenieur Sachverständiger PartG mbH, Baustatik Relling GmbH | n/a |
| 2026-01-08 | 25-004_HR_Software | P&I Personal & Infromatik AG | n/a |
| 2025-11-19 | 25-011 Konzern Diesel | DB Energie GmbH | n/a |
| 2024-12-11 | 25-003 Landrevision FS-Kreuzlingen | Bremer Beschichtung Münker GmbH | n/a |
| 2024-06-07 | 23-082b - Softwareanwendung Materialwirtschaft und Auftragsbearbeitung | Aptean Austria GmbH | n/a |
Follow this buyer free
Get Stadtwerke Konstanz GmbH's new calls for tender, awards and contracts ending in a free weekly email (Tender Radar free tier: a saved search for this buyer's name in Germany). The same data is in the REST API and the MCP server.
Sources: EU TED, read through their open-data feeds without logging in. Buyer = contracting authority as named on the notice; notices are grouped by the normalised name and country.
Source: Arcadium Data tenders database, 3,811,022 official public procurement notices from EU TED, UK Find a Tender, UK Contracts Finder and national procurement boards, read through their open-data services (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-27.
Questions
How many public contracts has Stadtwerke Konstanz GmbH awarded?
Stadtwerke Konstanz GmbH published 14 contract award notices between 2023-11-08 and 2026-08-25; the 2 that state a value add up to €5.1M (official notices, as of 2026-10-27).
Who are Stadtwerke Konstanz GmbH's biggest suppliers?
By contract awards: Baustatik Relling GmbH (2), Franz Lohr GmbH (2) and EGS-plan GmbH (1) (as of 2026-10-27). Winners that could be a private person are not named.
Which Stadtwerke Konstanz GmbH contracts end soon?
6 contracts awarded by Stadtwerke Konstanz GmbH end in the next 18 months. The soonest with a named holder is the construction work contract held by Franz Lohr GmbH, ending on 2027-03-16 (end date stated) (as of 2026-10-27).
Does Stadtwerke Konstanz GmbH have open tenders now?
Yes: 1 calls for tender from Stadtwerke Konstanz GmbH are open today (deadline 2026-10-27 or later) (as of 2026-10-27).
What does Stadtwerke Konstanz GmbH buy?
Most of Stadtwerke Konstanz GmbH's awards are in Construction work (CPV 45) (2), Software packages and information systems (CPV 48) (2) and Repair and maintenance services (CPV 50) (2) (as of 2026-10-27).
Cite as: Arcadium Data, "Stadtwerke Konstanz GmbH tenders and contracts: 14 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/stadtwerke-konstanz-gmbh-de/, data as of 2026-10-27.