Siemens AG: public contracts won without a rival in Germany

Updated 17 October 2026 · 2023-11-10 to 2026-09-10 · all of Germany · record in the register

Siemens AG: public contracts won without a rival in Germany: 85 uncontested awards; 54% of its awards; 53 without a competition; 32 single bid.

Assay record ASY-DE-0M5ZGX9027 · Cite as: Assay Systems, “Siemens AG: public contracts won without a rival in Germany”, https://assay-systems.com/register/de/uncontested/s/siemens-ag/

1
85uncontested awards
54%of its awards
53without a competition
32single bid

Siemens AG won 85 of its 158 public contract awards in Germany without a rival from 2023-11-10 to 2026-09-10: 53 without a competition and 32 after a competition that drew a single bid. 61 buyers awarded it without a rival, the largest Deutsche Bundesbank, Zentralbereich Beschaffungen with 5.

An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.

Buyers that awarded it without a rival

Deutsche Bundesbank, Zentralbereich Beschaffungen5uncontested6awards83%of these awards

Deutsche Bundesbank, Zentralbereich Beschaffungen gave Siemens AG 6 awards: 5 without a competition, 0 after a competition with a single bid. First 2024-09-20, latest 2026-01-23.

Landesbetrieb Bau- und Liegenschaftsmanagement Sachsen-Anhalt (BLSA)4uncontested6awards67%of these awards

Landesbetrieb Bau- und Liegenschaftsmanagement Sachsen-Anhalt (BLSA) gave Siemens AG 6 awards: 3 without a competition, 1 after a competition with a single bid. First 2025-06-18, latest 2026-07-09.

Bau- und Liegenschaftsbetrieb NRW Köln3uncontested4awards75%of these awards

Bau- und Liegenschaftsbetrieb NRW Köln gave Siemens AG 4 awards: 1 without a competition, 2 after a competition with a single bid. First 2024-01-08, latest 2026-07-28.

Bundesanstalt für Immobilienaufgaben3uncontested3awards100%of these awards

Bundesanstalt für Immobilienaufgaben gave Siemens AG 3 awards: 3 without a competition, 0 after a competition with a single bid. First 2024-11-15, latest 2026-07-06.

Fraunhofer-Gesellschaft - Einkauf B123uncontested3awards100%of these awards

Fraunhofer-Gesellschaft - Einkauf B12 gave Siemens AG 3 awards: 3 without a competition, 0 after a competition with a single bid. First 2024-03-11, latest 2026-07-03.

MVV Netze GmbH3uncontested4awards75%of these awards

MVV Netze GmbH gave Siemens AG 4 awards: 0 without a competition, 3 after a competition with a single bid. First 2024-01-12, latest 2025-01-31.

Albert-Ludwigs-Universität Freiburg2uncontested3awards67%of these awards

Albert-Ludwigs-Universität Freiburg gave Siemens AG 3 awards: 0 without a competition, 2 after a competition with a single bid. First 2024-04-23, latest 2025-02-21.

Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., Max-Planck-Institut für Plasmaphysik, TI Greifswald2uncontested2awards100%of these awards

Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., Max-Planck-Institut für Plasmaphysik, TI Greifswald gave Siemens AG 2 awards: 1 without a competition, 1 after a competition with a single bid. First 2025-06-26, latest 2025-06-30.

Show all 61
Europäische Kommission, Gemeinsame Forschungsstelle (JRC)2uncontested2awards100%of these awards

Europäische Kommission, Gemeinsame Forschungsstelle (JRC) gave Siemens AG 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2025-05-13, latest 2025-09-17.

Landeshauptstadt Düsseldorf, Der Oberbürgermeister, Stadtentwässerungsbetrieb2uncontested3awards67%of these awards

Landeshauptstadt Düsseldorf, Der Oberbürgermeister, Stadtentwässerungsbetrieb gave Siemens AG 3 awards: 2 without a competition, 0 after a competition with a single bid. First 2025-01-29, latest 2026-05-27.

Kerntechnische Entsorgung Karlsruhe GmbH2uncontested2awards100%of these awards

Kerntechnische Entsorgung Karlsruhe GmbH gave Siemens AG 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2024-10-17, latest 2025-12-05.

Max-Planck-Gesellschaft Abt.III2uncontested2awards100%of these awards

Max-Planck-Gesellschaft Abt.III gave Siemens AG 2 awards: 0 without a competition, 2 after a competition with a single bid. First 2024-11-07, latest 2025-06-26.

Bundesamt für Infrastruktur, Umweltschutz und Dienstleistungen der Bundeswehr2uncontested2awards100%of these awards

Bundesamt für Infrastruktur, Umweltschutz und Dienstleistungen der Bundeswehr gave Siemens AG 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2025-03-24, latest 2026-04-20.

Deutsches Elektronen-Synchrotron DESY2uncontested2awards100%of these awards

Deutsches Elektronen-Synchrotron DESY gave Siemens AG 2 awards: 0 without a competition, 2 after a competition with a single bid. First 2024-11-07, latest 2024-11-13.

EnBW Energie Baden-Württemberg AG2uncontested5awards40%of these awards

EnBW Energie Baden-Württemberg AG gave Siemens AG 5 awards: 2 without a competition, 0 after a competition with a single bid. First 2023-12-07, latest 2025-11-20.

Staatl. Hochbauamt Ulm1uncontested1awards100%of these awards

Staatl. Hochbauamt Ulm gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-11-19, latest 2025-11-19.

Rheinische Friedrich-Wilhelms-Universität Bonn, Abt. 5.31uncontested1awards100%of these awards

Rheinische Friedrich-Wilhelms-Universität Bonn, Abt. 5.3 gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-04-17, latest 2025-04-17.

Deutsches Museum von Meisterwerken der Naturwissenschaft und Technik (AdöR)1uncontested1awards100%of these awards

Deutsches Museum von Meisterwerken der Naturwissenschaft und Technik (AdöR) gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-10-13, latest 2025-10-13.

Universitätsmedizin der Johannes-Gutenberg-Universität Mainz Körperschaft des öffentlichen Rechts, vertr. durch LBB Niederlassung Mainz1uncontested1awards100%of these awards

Universitätsmedizin der Johannes-Gutenberg-Universität Mainz Körperschaft des öffentlichen Rechts, vertr. durch LBB Niederlassung Mainz gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-04-29, latest 2026-04-29.

LBB Niederlassung Mainz1uncontested1awards100%of these awards

LBB Niederlassung Mainz gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-04-22, latest 2026-04-22.

Bundesanstalt für Immobilienaufgaben, vertreten durch den Landesbetrieb Bau und Immobilien Hessen, Zentrale Vergabe1uncontested1awards100%of these awards

Bundesanstalt für Immobilienaufgaben, vertreten durch den Landesbetrieb Bau und Immobilien Hessen, Zentrale Vergabe gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-09-01, latest 2026-09-01.

Landesbetrieb Bau und Immobilien Hessen Niederlassung Mitte Zentrale Vergabe1uncontested2awards50%of these awards

Landesbetrieb Bau und Immobilien Hessen Niederlassung Mitte Zentrale Vergabe gave Siemens AG 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-05-22, latest 2024-09-16.

Hamburger Energienetze GmbH1uncontested2awards50%of these awards

Hamburger Energienetze GmbH gave Siemens AG 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2025-05-20, latest 2026-03-05.

Max-Planck-Institut für Immunbiologie und Epigenetik1uncontested1awards100%of these awards

Max-Planck-Institut für Immunbiologie und Epigenetik gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-02-12, latest 2025-02-12.

Vermögen und Bau Baden-Württemberg, Amt Konstanz1uncontested1awards100%of these awards

Vermögen und Bau Baden-Württemberg, Amt Konstanz gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-10-31, latest 2024-10-31.

WiBau Gesellschaft mbH1uncontested1awards100%of these awards

WiBau Gesellschaft mbH gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-11-17, latest 2025-11-17.

Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau1uncontested1awards100%of these awards

Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-11-22, latest 2024-11-22.

Land Hessen, vertreten durch die Hessische Zentrale für Datenverarbeitung1uncontested1awards100%of these awards

Land Hessen, vertreten durch die Hessische Zentrale für Datenverarbeitung gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-04-16, latest 2024-04-16.

Freistaat Bayern vertreten durch die Technische Universität München, hier handelnd die Forschungs-Neutronenquelle Heinz Maier-Leibnitz (FRM II)1uncontested1awards100%of these awards

Freistaat Bayern vertreten durch die Technische Universität München, hier handelnd die Forschungs-Neutronenquelle Heinz Maier-Leibnitz (FRM II) gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-01-11, latest 2024-01-11.

Deutsches Zentrum für Luft- und Raumfahrt e. V1uncontested1awards100%of these awards

Deutsches Zentrum für Luft- und Raumfahrt e. V gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-06-08, latest 2026-06-08.

SRH Zentralklinikum Suhl GmbH1uncontested1awards100%of these awards

SRH Zentralklinikum Suhl GmbH gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2023-12-15, latest 2023-12-15.

Landeshauptstadt Stuttgart, Haupt- und Personalamt, Abt. Allgemeiner Service, Zentraler Einkauf1uncontested1awards100%of these awards

Landeshauptstadt Stuttgart, Haupt- und Personalamt, Abt. Allgemeiner Service, Zentraler Einkauf gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-06-24, latest 2026-06-24.

Deutscher Bundestag, Referat ZR 3, Vergaben1uncontested1awards100%of these awards

Deutscher Bundestag, Referat ZR 3, Vergaben gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-03-12, latest 2025-03-12.

Bau- und Liegenschaftsbetrieb NRW Dortmund1uncontested1awards100%of these awards

Bau- und Liegenschaftsbetrieb NRW Dortmund gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-04-10, latest 2025-04-10.

Vitos gGmbH für Vitos Weil-Lahn gGmbH1uncontested1awards100%of these awards

Vitos gGmbH für Vitos Weil-Lahn gGmbH gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-05-27, latest 2026-05-27.

STADTBAU MOERS Entwicklung Erschließung Verwaltungsgesellschaft mbH1uncontested1awards100%of these awards

STADTBAU MOERS Entwicklung Erschließung Verwaltungsgesellschaft mbH gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-11-07, latest 2024-11-07.

Kreisausschuss des Landkreises Darmstadt-Dieburg für die Kreiskliniken desLandkreises Darmstadt-Dieburg1uncontested1awards100%of these awards

Kreisausschuss des Landkreises Darmstadt-Dieburg für die Kreiskliniken desLandkreises Darmstadt-Dieburg gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-05-11, latest 2026-05-11.

Universität Stuttgart1uncontested3awards33%of these awards

Universität Stuttgart gave Siemens AG 3 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-08-02, latest 2025-11-25.

Rhein-Neckar-Verkehr GmbH1uncontested1awards100%of these awards

Rhein-Neckar-Verkehr GmbH gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-07-17, latest 2024-07-17.

Westdeutscher Rundfunk Köln1uncontested1awards100%of these awards

Westdeutscher Rundfunk Köln gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-02-09, latest 2026-02-09.

Städtisches Klinikum Braunschweig gGmbH1uncontested1awards100%of these awards

Städtisches Klinikum Braunschweig gGmbH gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-06-11, latest 2025-06-11.

Universität Siegen1uncontested1awards100%of these awards

Universität Siegen gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-04-22, latest 2026-04-22.

Bundesrepublik Deutschland, vertreten durch das Bundesministerium des Innern und für Heimat, vertreten durch das Beschaffungsamt des BMI1uncontested1awards100%of these awards

Bundesrepublik Deutschland, vertreten durch das Bundesministerium des Innern und für Heimat, vertreten durch das Beschaffungsamt des BMI gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-11-14, latest 2025-11-14.

Bundeswehr-Dienstleistungszentrum Oldenburg1uncontested1awards100%of these awards

Bundeswehr-Dienstleistungszentrum Oldenburg gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-05-15, latest 2024-05-15.

Deutsche Bundesbank1uncontested1awards100%of these awards

Deutsche Bundesbank gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-07-17, latest 2026-07-17.

Deutscher Bundestag - Vergabereferat1uncontested1awards100%of these awards

Deutscher Bundestag - Vergabereferat gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-09-01, latest 2026-09-01.

Deutsche Rentenversicherung Rheinland1uncontested1awards100%of these awards

Deutsche Rentenversicherung Rheinland gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-07-02, latest 2024-07-02.

Die Autobahn GmbH des Bundes - NL Nord1uncontested1awards100%of these awards

Die Autobahn GmbH des Bundes - NL Nord gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-04-14, latest 2025-04-14.

EWN Entsorgungswerk für Nuklearanlagen GmbH1uncontested1awards100%of these awards

EWN Entsorgungswerk für Nuklearanlagen GmbH gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-10-02, latest 2024-10-02.

Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - Einkauf B12 - Vergabestelle Bau1uncontested1awards100%of these awards

Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - Einkauf B12 - Vergabestelle Bau gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-09-01, latest 2026-09-01.

JEN Jülicher Entsorgungsgesellschaft für Nuklearanlagen mbH1uncontested1awards100%of these awards

JEN Jülicher Entsorgungsgesellschaft für Nuklearanlagen mbH gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-11-10, latest 2023-11-10.

KfW Bankengruppe1uncontested1awards100%of these awards

KfW Bankengruppe gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-01-14, latest 2025-01-14.

Landkreis München1uncontested1awards100%of these awards

Landkreis München gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-04-07, latest 2026-04-07.

SBH | Schulbau Hamburg1uncontested1awards100%of these awards

SBH | Schulbau Hamburg gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2023-12-06, latest 2023-12-06.

Stadt Dinslaken für ProZent GmbH1uncontested1awards100%of these awards

Stadt Dinslaken für ProZent GmbH gave Siemens AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-09-10, latest 2026-09-10.

Stromnetz Hamburg GmbH1uncontested2awards50%of these awards

Stromnetz Hamburg GmbH gave Siemens AG 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-01-03, latest 2024-06-21.

Stuttgart Netze GmbH1uncontested2awards50%of these awards

Stuttgart Netze GmbH gave Siemens AG 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2025-06-18, latest 2026-06-02.

Technische Universität Berlin1uncontested1awards100%of these awards

Technische Universität Berlin gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-10-30, latest 2025-10-30.

Universität Bielefeld1uncontested2awards50%of these awards

Universität Bielefeld gave Siemens AG 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2023-12-27, latest 2026-03-16.

Universitätsklinikum Bonn AöR1uncontested1awards100%of these awards

Universitätsklinikum Bonn AöR gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-03-04, latest 2026-03-04.

Universitätsklinikum Gießen und Marburg GmbH - Standort Gießen1uncontested1awards100%of these awards

Universitätsklinikum Gießen und Marburg GmbH - Standort Gießen gave Siemens AG 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-03-29, latest 2024-03-29.

Latest awards without a rival

DateBuyerHowStated reason
2026-09-10Stadt Dinslaken für ProZent GmbH
623636-2026
Single bid
open
—
2026-09-01Bundesanstalt für Immobilienaufgaben, vertreten durch den Landesbetrieb Bau und Immobilien Hessen, Zentrale Vergabe
602379-2026
Single bid
open
—
2026-09-01Deutscher Bundestag - Vergabereferat
602070-2026
No competition
neg-wo-call
additional
2026-09-01Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - Einkauf B12 - Vergabestelle Bau
599729-2026
Single bid
open
—
2026-07-28Bau- und Liegenschaftsbetrieb NRW Köln
522114-2026
No competition
neg-wo-call
technical
2026-07-17Deutsche Bundesbank
494291-2026
No competition
neg-wo-call
technical

Every uncontested award in Germany · All countries · Siemens AG in the register

Source: Tenders Electronic Daily (TED), Publications Office of the European Union, contract award notices. Awards are matched to their buyer and supplier as published. Values in these notices often state a framework ceiling rather than a contract amount, so awards are counted, not summed. Updated 17 October 2026.