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  • We are your experts

    • for international building-

    • facility management-

    • and IT-projects


  • We advance

    • your strategy for optimization

    • architectural & construction projects

    • your facility management projects

    • IT projects FM, IT projects engineering

  • We help you

    • optimize FM-operation and FM-organization

    • making the right choice with your team

    • use the adequate tools

    • supervise and manage projects

  • We develop

    • individual solutions for specific industries….

    • define and control Key Performance Indicators ….

    • evalute the interim management of buildings,
      FM-companies or FM-departments

    • Change Management and Data Processing projects
  • We train you

    • in buildingSMART and

    • in CAFM-suitable planning and building

    • work more efficiently

    • implement the necessary structure throughout your buisness

Who we are…

In 2019 isar1 ag celebrated its 20th anniversary! We are delighted that you found your way to this page. We will go on supporting you in all your national and international building, facilities management and IT-projects

Every project is a new challenge to develop something unique

The evaluation of your own status, your business maturity and capabilty is one of the hardest tasks.
So is the assesment of possible stumble blocks and the source of flaws.


That is why we invented “QUICKSCAN”

An easy and fast evaluation process tailored for you!

  • You are dissatisfied

    with your CAFM solution provider

    with the system performance

    with the quality of your data

    with the processes

  • We analyse…

    the system

    the processes

    the data

    the structure

  • The solution for a fixed price e.g….

    2 days of analysis

    1 day elaboration

    1-2 hours presentation



We are proud of our long experience in international project business. Our multicultural and multilingual teams have always been happy to fulfill the respective wishes and requirements of our clients.


We have chosen Frankfurt as our international hub in order to be able to serve or reach our international customers and partners flexibly and quickly.



Over time we have established a pool of talented and ambitious experts who work with us on a regular basis as employees or freelancers…


We can draw on a pool of committed, experienced, internal and external colleagues who have been working together on many projects for many years.


from site analysis to planning, to operation and even to demolition:

Analysis of site potential | Complete architectural planning | Construction management | operational concepts

for IT in building, Facility Management and Engineering:

CAD | BIM |CAFM | IWMS | CMMS | PM Tools | Virtual project cloud | Document Management – and -Controlling | IT-Projckt Management