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Aperlena

Otto Building Technologies GmbH

Germany Supplier profile Awards from 16 Jul 2025 to 1 Jul 2026

21 contracts won, worth €18.5M, from 20 public buyers.

Main sectors Construction work 20, Repair & maintenance services 1

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Record

Awards by year

  1. 2026 5 awards €2.2M
  2. 2025 6 awards €12.3M
  • €500,000
  • €5.0M
  • largest, €9.7M
  • value not published

Each dot is one award, placed on its date and sized by its value.

Relations

Who this company works for

  1. Magistrat der Stadt Usingen 2 contracts 9.5% €924,882
  2. Staatliches Bauamt Regensburg 1 contract 4.8% €9,650,057
  3. Landkreis Märkisch-Oderland / Amt für Digitalisierung, Organisation und Personal 1 contract 4.8% €1,207,987
  4. Landkreis Göttingen 1 contract 4.8% €1,067,798
  5. Kliniken der Stadt Köln gGmbH 1 contract 4.8% €1,021,644
  6. Land Berlin - Sondervermögen Immobilien des Landes Berlin (SILB) c/o BIM Berliner Immobilienmanagement GmbH 1 contract 4.8% €1,010,546
  7. Stadt Soest 1 contract 4.8% €876,661
  8. Bundesrepublik Deutschland vertreten durch das Staatliche Baumanagement Niedersachsen 1 contract 4.8% €588,105

Shares of the 21 contracts this company has won.

Radar

Contracts expiring soon

Contracts this company holds that end within the next two years. The specification for the replacement is usually shaped 18 to 26 months before the notice appears.

  1. Installation von Heizungs-, Lüftungs- und Klimaanlagen - Raumlufttechnische Anlage (RLT) - Feuerwehrgerätehaus Usingen

    Magistrat der Stadt Usingen Germany 8-month contract estimated from the stated duration

    €462,441 current contract

    this month

    Oct 2026

  2. Installation von Lüftungs- und Klimaanlagen - MPI für Multidisziplinäre Naturwissenschaften, Neubau Turm VII: Lüftungstechnische Anlagen

    Max-Planck-Gesellschaft Abt.III Germany 15-month contract estimated from the stated duration

    1 month

    Nov 2026

  3. Installation von Heizungs-, Lüftungs- und Klimaanlagen - Raumlufttechnische Anlage (RLT) - Feuerwehrgerätehaus Usingen

    Magistrat der Stadt Usingen Germany 8-month contract estimated from the stated duration

    €462,441 current contract

    1 month

    Nov 2026

  4. Installation von Lüftungsanlagen - VE 16 - Lüftung, Sanitärgebäude

    Magistrat der Stadt Kassel Germany 12-month contract confirmed end date

    €353 current contract

    4 months

    Feb 2027

  5. Installation von Heizungs-, Lüftungs- und Klimaanlagen - Lüftungstechnische Anlagen -Neubau der Lehrwerkstatt Kläranlage Dinslaken

    Emschergenossenschaft; Einkauf-Emschergenossenschaft Germany 20-month contract confirmed end date

    €281,019 current contract

    6 months

    Mar 2027

  6. Installation of ventilation and air-conditioning systems - Ventilation and air-conditioning systems

    Land Berlin - Sondervermögen Immobilien des Landes Berlin (SILB) c/o BIM Berliner Immobili... Germany 15-month contract confirmed end date

    €1.0M current contract

    6 months

    Apr 2027

  7. Installation von Lüftungs- und Klimaanlagen - Lüftungsarbeiten_Freiherr-vom-Stein-Schule / Europaschule, Ringstraße 33, 35075 Gladenbach_Ersatzneubau Förderstuf...

    Landkreis Marburg-Biedenkopf Germany 7-month contract confirmed end date

    €284,568 current contract

    7 months

    May 2027

  8. Installation von Lüftungsanlagen - KH Merheim, Bettenhaussanierung Haus 20, A-Seite -- Raumlufttechnische Anlagen - 3

    Kliniken der Stadt Köln gGmbH Germany 17-month contract confirmed end date

    €1.0M current contract

    14 months

    Dec 2027

  9. Bauarbeiten für Universitätsgebäude - Universität Regensburg - Neubau Vorklinikum

    Staatliches Bauamt Regensburg Germany 29-month contract confirmed end date

    €9.7M current contract

    17 months

    Feb 2028

See every contract expiring in this country

Prices

What its contracts are worth

Median award

€572,301

over 15 awards with a published amount

Against the estimate

At estimate

typical award, over 5 contracts with both figures

Typical contract

15 months

median, over 9 contracts with a known length

Territory

Where it wins

  1. Arnsberg 4 contracts 19%
  2. Braunschweig 3 contracts 14%
  3. Darmstadt 3 contracts 14%
  4. Gießen 2 contracts 9.5%
  5. Berlin 2 contracts 9.5%
  6. Düsseldorf 2 contracts 9.5%

Shares of the 21 contracts that name a region.

Register

Contracts won

Each bar compares an award with the largest on this page, €9.7M.

Without a published award date

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