Your app for construction documentation

How to stay on top of things digitally

Diplom Ingenieur Thomas Gröne von der Emil Tepe GmbH mit einem Tablet in den Händen
123erfasst: Baustellen-Apps für digitale Lösungen |

How you benefit from digital construction documentation

With the 123onsite app for Construction documentation, you always know the status of your construction sites and keep a close eye on all projects. Benefit from many advantages!

Reduce sources of error

Automate time-consuming work steps

Seamless communication between construction site and office

Save data at any time – even without an internet connection

123erfasst: Baustellen-Apps für digitale Lösungen |
123erfasst: Baustellen-Apps für digitale Lösungen |
123erfasst: Baustellen-Apps für digitale Lösungen |
123erfasst: Baustellen-Apps für digitale Lösungen |
123erfasst: Baustellen-Apps für digitale Lösungen |

Perfect for construction: Features of our Construction documentation app

Construction documentation at your construction site presents you with new challenges every day? 123onsite puts an end to that now!


Note: The daily construction report can only be created and accessed directly via the Office application.

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Automated informations for your construction diary

Keep your Construction diary digitally: The Construction documentation software automatically merges all recorded services, times, comments and photos into a Construction diary report. This way, you always have an overview of your construction site and save valuable time. Another advantage of digital construction site documentation: All parties involved can view the stored data transparently and up to the minute.


Practical photo documentation

With the Construction documentation app from 123onsite, you ensure complete documentation of your construction sites. Record all steps of the construction process quickly and easily via Photo documentation. The recordings are saved in the site documentation app and provided with GPS coordinates. This way, they can be automatically assigned to the right job site and project.

Dachdecker der Prange GmbH bei ihrer Arbeit auf dem Dach

123erfasst: Baustellen-Apps für digitale Lösungen |

Tasks and defects at a glance at all times

With the defect management feature of the Construction documentation software, you can keep track of all your construction sites and open to-dos at all times. With just a few clicks, you can document defects and tasks directly in the app, locate them on the 2D plan of your construction site, and assign them to employees or subcontractors.

Construction documentation via app

– how do i benefit from 123onsite?


Legally compliant construction documentation

Thanks to the photo documentation and the digital construction diary, you can document every step of the way transparently and neatly while having all the data at your fingertips with just one click.


Save valuable working time

With 123onsite, you can easily document construction work on site and transfer the data directly to your office – reliably and in real time.


Faster payment from your clients

Digital construction documentation leaves no questions unanswered among your clients. This will speed up your billing process and allow you to complete projects with ease.

How can I use the digital Construction documentation?

Choose the “Projects” module and complete your Construction documentation in no time. With the Free Tier of the module, the use of the Construction documentation app is free for up to 3 users.

123erfasst: Baustellen-Apps für digitale Lösungen |
123erfasst: Baustellen-Apps für digitale Lösungen |



Mobile construction management. Manage and document all information of your construction site – thanks to photos, construction diary or notes. Digitally and on the go via an app.

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Thomas Gröne Koordinator bei Emil Tepe GmbH
Emil Tepe Logo

Thomas Gröne

Coordinator Emil Tepe

Thanks to the ability to process all data recorded with 123onsite digitally on a site-specific basis, we’ve enjoyed considerable advantages in our office.

Emil Tepe GmbH

Construction company

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Paperless in the office –
start now for free

123erfasst: Baustellen-Apps für digitale Lösungen |

It’s simple: Through our apps, you reduce the effort of your data entry, have an overview at any time during your project and can check your calculation afterwards.
Even easier: With us you save time and money.


Sign up for 123onsite for free


Enter your company and your employees


Collect data and enjoy your digitized construction site

Things to know about Construction documentation software

Construction documentation software allows you to digitally monitor the progress of your construction projects. Relevant data can be captured on the go in the Construction documentation app and automatically assigned to areas or people. This way you always keep an overview and save valuable time.

Comprehensive Construction documentation ensures the complete documentation of all relevant data of a construction project. Your Construction documentation should include, but not be limited to, the following information:


  • Construction site data (including project number, employees present, etc.)
  • Data about subcontractors
  • Documentation of all work performed
  • Information on the individual construction measures (designation, duration, parties involved, etc.)
  • List of materials and equipment used
  • Information about special incidents and weather conditions


This way, you make sure that you can present all relevant information in case of damage or construction defects.

Discover exciting info
for Construction documentation with 123onsite


Blog articles

Documentation of the construction process can sometimes be very important, especially when many trades are involved in the construction. Find out why a construction diary is useful.


123onsite projects

Document your projects digitally and mobile via app with photos, in the construction diary or via notes – thanks to 123onsite projects are easy to document.


Success story

“As a company, you can only remain competitive if you focus on digitization,” says Dipl.-Ing. Thomas Gröne from Emil Tepe GmbH. The entire success story is available here.

Ask us your questions about our site documentation app