Skip to content
NEW: CREATE AN AI-ASSISTED TENDER IN 2 MINUTES — TRY IT FREE
Back to search
DJO – Fertigung

Consulting engineers for planning, monitoring and controlling of building services engineering

DJO Logo

Dreyer Jakob Offner GmbH & Co. KG

Landshuter Allee 49, 80637 München ·New on Amplifa

1963Founded as the engineering firm Dreyer & Jakob
6Employees
GmbH & Co. KGLegal form
HRA 94902, Amtsgericht MünchenCommercial register

About the engineering firm

Dreyer Jakob Offner GmbH & Co. KG (DJO) is a consulting engineering firm in Munich that has been active in the field of building services engineering (TGA) since 1963. The company provides all engineering services under HOAI Part IX: preliminary design analysis, design and detailed planning as well as construction and project supervision for the trades of plumbing and sprinkler systems, heating, ventilation and air conditioning, and electrical and safety engineering. Special services include energy studies and climate engineering, profitability and operating cost calculations, lighting design and Technical Due Diligence. The planning services cover administrative buildings, residential buildings and residential complexes, hotel and leisure facilities, as well as nursing homes and healthcare buildings. Well-known projects include Park Village in Unterföhring (2004), the Heiliggeiststrasse project for the Tyrolean state government in Innsbruck (2005), residential buildings on Renatastrasse in Munich (2007) and the renovation of the listed building at Unterer Anger 3 for Munich municipal utilities (2008/2009). Clients include, among others, Stadtwerke München GmbH, the Verein für Volkswohnungen München housing association and the Tyrolean state government. The firm operates in Germany and Austria.

Site
München
Processes
Building services engineering (TGA specialist planning, HOAI Part IX), Preliminary design analysis, Design and detailed planning, Construction and project supervision, Trades: plumbing/sprinkler systems, heating, ventilation and air conditioning, electrical and, Energy studies and climate engineering, Profitability and operating cost calculations, Lighting design
Materials
Building Services Engineering (specialist planning, HOAI Part IX), Climate engineering and energy studies, Lighting design, Technical Due Diligence
Founded
1963
Employees
6
Industries
Administrative buildings, Residential buildings/complexes, Hotel and leisure facilities, Nursing homes and healthcare, Media and service companies
  1. 01

    Preliminary design analysis

  2. 02

    Design and detailed planning

  3. 03

    Construction and project supervision

  4. 04

    Controlling of building services engineering

Scope of services and planning services

TGA

Building Services Engineering (specialist planning, HOAI Part IX)

Cross-trade planning for plumbing/sprinkler systems, heating, ventilation and air conditioning, and electrical and safety engineering.

ENG

Climate engineering and energy studies

Energy analyses and profitability and operating cost calculations as special planning services.

LP

Lighting design

Planning of lighting solutions as a supplementary engineering service.

TDD

Technical Due Diligence

Technical assessment of real estate portfolios.

Location

Standort München

München

DE

Head office/office

Reference projects

Park Village, Unterföhring
Park Village, UnterföhringTGA specialist planning · Media and service company
Heiliggeiststrasse / Neues Landhaus L2, Innsbruck
Heiliggeiststrasse / Neues Landhaus L2, InnsbruckTGA specialist planning · Administrative building
Renatastrasse, Munich
Renatastrasse, MunichTGA specialist planning · Residential building
Unterer Anger 3, Munich
Unterer Anger 3, MunichTGA specialist planning/renovation · Administrative building
Rindermarkt, Munich
Rindermarkt, MunichTGA specialist planning · Building services

Inside the production

Park Village, Unterföhring – MACE Conference Center
Park Village, Unterföhring – MACE Conference Center
Heiliggeiststrasse, Innsbruck – glass roof structure with light-deflection
Heiliggeiststrasse, Innsbruck – glass roof structure with light-deflection
Haindlfingerstrasse
Haindlfingerstrasse
Renatastrasse, Munich – residential construction
Renatastrasse, Munich – residential construction
Unterer Anger 3, Munich – renovation for Munich municipal utilities
Unterer Anger 3, Munich – renovation for Munich municipal utilities

Industries

Administrative buildingsResidential buildings/complexesHotel and leisure facilitiesNursing homes and healthcareMedia and service companies

Additional services

Building services engineering (TGA specialist planning, HOAI Part IX)Preliminary design analysisDesign and detailed planningConstruction and project supervisionTrades: plumbing/sprinkler systems, heating, ventilation and air conditioning, electrical andEnergy studies and climate engineeringProfitability and operating cost calculationsLighting designTechnical Due Diligence (TDD)Construction supervision and controlling of building services systems

Reference customers

Stadtwerke München GmbHMerkur GmbH/Moll ArealL2 Errichtungs-/Vermietungs GmbHHypo Tirol LeasingVerein für Volkswohnungen MünchenTyrolean state governmentBritish Embassy Bucharest

History

  1. 1963

    Foundation of the engineering firm Dreyer & Jakob; building services engineering planning ever since

  2. 2000

    Alexander Jakob becomes a partner at Dreyer & Jakob

  3. 2004

    Completion of Park Village, Unterföhring

  4. 2005

    Completion of Heiliggeiststrasse/Neues Landhaus L2, Innsbruck (Tyrolean state government)

  5. 2006

    Gerald Offner becomes a partner at Dreyer & Jakob

  6. 2007

    Completion of Renatastrasse, Munich

  7. 2008/2009

    Completion of the renovation of Unterer Anger 3 for Munich municipal utilities

  8. 2009

    Registration of Dreyer Jakob Offner GmbH & Co. KG in the commercial register (HRA 94902), registered office in Munich; personally liable partner: DJO Verwaltungs GmbH

Personalised demo

Ready to see Amplifa Marketplace in action?

From a structured request to the right manufacturing partner: AI-assisted matching, verified suppliers and transparent metrics — in one place for industrial companies across the DACH region.

Request a demo