Work efficient. faster. together

The SQ ONE app suite for building services

SOLIDA Gebäudereinigung GmbH

For building service contractors

and their commercial customers

SQ ONE is a software that digitizes the entire value chain of building services.

From order creation through scheduling and tasklist performance to invoicing, SQ ONE's apps digitally link the entire process and its participants.

Unlike traditional software providers, SQ ONE's apps combine simple and intuitive usability, a variety of popular software solutions - such as CRM, ERP, DMS, Work Force Management and IoT - and exceptional convenience, as well as mobile availability and low prices.

Service Partner ONE Made in Berlin by Powered by

Digital transformation of building service contractors

Philipp Andernach (CEO) and Elsa Cordonnier (CPO) on digital transformation of building services

Are you a service provider looking for a digital solution for your entire business?

Our goal is to enable you to work in a digitally supported way and include all your employees. It's intuitive, efficient and comes with a unique experience. Your digital transformation is just a download away with SQ ONE's apps.

Contact us now!

With SQ ONE, you can continue to grow, achieve significant cost savings, and optimize liquidity.


Revenue growth


Cost saving

BGR Berliner Gebäudereinigung


Liquidity increase

Hintergrund timeline

The digital transformation of building services

The entire process and all participants are digitally recorded and supported.

Acquisition / Onboarding

  • Customer & Object
  • Offer & Service
  • Costs & Prices

Disposition of resources / logistics

  • Employees / Subcontractors
  • Suppliers
  • Machines & Material

Operations / Services

  • Execution
  • Interaction
  • Processing

Customer-Centric Service

  • Information
  • Communication
  • Solutions


  • Invoicing
  • Payment methods
  • Payroll & Purchasing

Intuitive apps for everyone:

from the executive power to the end customer, all are interconnected

Apps for the building service providers

Service Manager

The interactive customer and object portfolio - the entire planning and management of employees, subcontractors, suppliers, materials and machines in one place.



The integrated back office - always connected to the operational business, from contract creation to scheduling to billing - consistent real-time data.


Field Service

For the employee on site - a dynamic and reactive job planner in the pocket, from the floor plan to dynamic tasklists, real-time communication, performance, time & quality recording.


Fleet Manager

The entire fleet in one app. Location, performance data, dynamic maintenance cycles, services and logistics just a click away. In addition, real-time asset management and ongoing inventory.


Apps for building service provider's clients


Order, status updates, communication, billing and service in one application. Structured and paperless - available 24/7. Excellent service is just one click away.


Quality Assurance

Check and keep track of quality anytime and everywhere, if necessary, directly on your mobile phone. Detect immediately incidents room by room and order additional services where they are needed - on the road and in real time.


An integrated solution for digital building management

Whether building cleaning, building security, building maintenance and maintenance - together we ensure the digital transformation of all your business processes. From the interaction with your executive staff, suppliers and partners, as well as the interaction with your customers are digitally captured and supported.

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