Tenders / Buyers / Germany

Stadt Karlsruhe Tiefbauamt: public contracts and tenders

Stadt Karlsruhe Tiefbauamt awarded 16 public contracts worth €43.2M where a value is stated since 2024-07-29; the construction work contract held by Sempa Systems GmbH ends on 2026-12-09 (signed + duration). Source: Arcadium Data, data as of .

Contract awards16
Awarded value (stated)€43.2M
Suppliers named10
Ending in 18 months10
Open calls now0
Calls for tender28
First award2024-07-29
Latest award2026-10-08

Awarded value = the award values the notices state (EUR at the notice date), 13 of 16 awards; framework agreements (a ceiling, not spend) and implausible values are left out.

Buyer

FieldValue
NameStadt Karlsruhe Tiefbauamt
CountryGermany
Buyer typeLocal authority
CityKarlsruhe
Sourcesservice.bund.de (Germany), EU TED

Top suppliers

SupplierRegistry numberWebsiteAwardsValue won alone
Blackstone Industrie- & Gebäudetechnik GmbHblackstone-gmbh.de1€1.4M
Diehl GmbHDE812663696 VATdiehl-apleona-wolfferts.com1€642k
GIGA Gesellschaft für Industrie- und Gebäudeautomation mbHgiga-automation.de1€470k
Hanisch Gerüstbau GmbHhanisch-geruestbau.de1€99,363
Marquardt Dächer & Fassadenmarquardt.gmbh1€306k
Sempa Systems GmbHsempa.de1€84,681
Gebrüder Peters Heilbronn GmbH1€3.1M
MOSER GmbH & Co. KG1€3.3M
Schempp GmbH & Co. KG1€19.3M
Solenis Germany GmbH & Co. KG1€1.6M

Suppliers named on Stadt Karlsruhe Tiefbauamt'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

EndsContractCurrent holderValueEnd date basis
2026-12-09Technische Gase, DruckluftSempa Systems GmbH€84,681signed + duration
2027-01-15RohbauarbeitenMOSER GmbH & Co. KG€3.3Mend date stated
2027-04-06GebäudeautomationGIGA Gesellschaft für Industrie- und Gebäudeautomation mbH€470ksigned + duration
2027-04-07SanitärtechnikDiehl GmbH (VAT DE812663696)€642ksigned + duration
2027-04-07Heizungstechnik, KältetechnikBlackstone Industrie- & Gebäudetechnik GmbH€1.4Msigned + duration
2027-04-07Lüftung€1.1Msigned + duration
2027-06-01Klärwerk Karlsruhe, Lieferung von Flockungshilfsmittel (Polymer) für die KlärschlammentwässerungSolenis Germany GmbH & Co. KG€1.6Mend date stated
2027-10-22Umgestaltung Kreuzung Kriegsstr./ Reinhold-Frank-Str./ Brauerstr. und Kreuzung Brauerstr./ Gartenstr.Bietergemeinschaft Johann Joos Tief- und Straßenbauunternehmung GmbH & Co. KG / Diringer & Scheidel Bauunternehmung GmbH & Co. KG Industriestraße 1 79258 Hartheim€11.0Mend date stated
2027-11-05DachabdichtungsarbeitenMarquardt Dächer & Fassaden€306kend date stated
2027-11-19GerüstarbeitenHanisch Gerüstbau GmbH€99,363end date stated

End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).

Award notices of Stadt Karlsruhe Tiefbauamt 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. 10 contracts; a framework's value is a ceiling and is not shown.

Open calls for tender

No open call for tender from Stadt Karlsruhe Tiefbauamt today.

Spend by sector (CPV divisions)

SectorCPVAwardsAwarded value
Construction work4510€39.8M
Chemical products241€1.6M

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

PublishedContractWinnersValue
2026-10-08GerüstarbeitenHanisch Gerüstbau GmbH€99,363
2026-10-08DachabdichtungsarbeitenMarquardt Dächer & Fassaden€306k
2026-09-10SanitärtechnikDiehl GmbH€642k
2026-09-10Stark- und SchwachstrominstallationenGebrüder Peters Heilbronn GmbH€3.1M
2026-09-10Heizungstechnik, KältetechnikBlackstone Industrie- & Gebäudetechnik GmbH€1.4M
2026-09-10GebäudeautomationGIGA Gesellschaft für Industrie- und Gebäudeautomation mbH€470k
2026-09-08Technische Gase, DruckluftSempa Systems GmbH€84,681
2026-06-22Umgestaltung Kreuzung Kriegsstr./ Reinhold-Frank-Str./ Brauerstr. und Kreuzung Brauerstr./ Gartenstr.€11.0M
2025-10-21RohbauarbeitenMOSER GmbH & Co. KG€3.3M
2025-08-19Neugestaltung Kaiserstraße, BA 2 Ost und West (6 Gewerke)Schempp GmbH & Co. KG€19.3M

Follow this buyer free

Get Stadt Karlsruhe Tiefbauamt'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: service.bund.de (Germany), 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 Stadt Karlsruhe Tiefbauamt awarded?

Stadt Karlsruhe Tiefbauamt published 16 contract award notices between 2024-07-29 and 2026-10-08; the 13 that state a value add up to €43.2M (official notices, as of 2026-10-27).

Who are Stadt Karlsruhe Tiefbauamt's biggest suppliers?

By contract awards: Blackstone Industrie- & Gebäudetechnik GmbH (1), Diehl GmbH (1) and GIGA Gesellschaft für Industrie- und Gebäudeautomation mbH (1) (as of 2026-10-27). Winners that could be a private person are not named.

Which Stadt Karlsruhe Tiefbauamt contracts end soon?

10 contracts awarded by Stadt Karlsruhe Tiefbauamt end in the next 18 months. The soonest with a named holder is the construction work contract held by Sempa Systems GmbH, ending on 2026-12-09 (signed + duration) (as of 2026-10-27).

Does Stadt Karlsruhe Tiefbauamt have open tenders now?

No call for tender from Stadt Karlsruhe Tiefbauamt is open today in the official notices we read (as of 2026-10-27). Its 28 earlier calls are counted on this page.

What does Stadt Karlsruhe Tiefbauamt buy?

Most of Stadt Karlsruhe Tiefbauamt's awards are in Construction work (CPV 45) (10) and Chemical products (CPV 24) (1) (as of 2026-10-27).

Cite as: Arcadium Data, "Stadt Karlsruhe Tiefbauamt tenders and contracts: 16 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/stadt-karlsruhe-tiefbauamt-de/, data as of 2026-10-27.