3defacto is a service provider for mechanical engineering, installation engineering, construction, consulting, and seminars. We offer customised solutions from one source: from individual optimisation recommendations to the implementation of complex systems.

Since its formation in the year 2000, we have been implementing many successful projects across the globe. 3defacto stands for flexible, customised services and engineering quality “made in Germany”.


“We are a team that jointly identifies innovative, professional, and high-quality solutions for our clients. No matter which assignment we are given, we implement it. In short: We are the product – from the draughtsman to the designing engineer.”

Peter Ahlmer, managing director & shareholder

About us

  • Formed in the year 2000
  • Locations: Darmstadt,  Neuenkirchen-Vörden and Mühltal
  • Certified specialist according to WHG (Wasserhaushaltsgesetz, Germany’s Federal Water Act)
  • Worldwide project implementation
  • 18 years of business experience and satisfied customers
  • All productive employees are SolidWorks-certified
  • Certified and specially trained instructors
  • We serve customers from various industries such as pharmaceuticals, polyurethane, bulk material processing industry, adhesives, pre-polymers, food industry, paints and coatings industry, construction material industry, paper industry, logistics and distribution, automotive, general engineering sector and special-purpose machine construction

Zertifikat Fachbetrieb WHG_04.10

“What sets us apart is the holistic concept, as all our areas are linked to each other. This makes sure that a rough idea is turned into an efficient and economical machine. That is our strength: tailor-made solutions from our source.”

Marco Richter, managing director

We guarantee

  • Efficient, energy-saving, and customised products
  • High-quality special-purpose machine engineering, e.g. BBU 2000 filed for patent application
  • Specialist network with qualified partners and suppliers
  • Timely, cost-efficient execution of projects
  • Compliance with applicable norms and guidelines (e.g. WHG)
  • Satisfaction guarantee for new customers
  • Fair value for money

“Our customers are at the heart of everything we do and we want you to feel good. Good assistance and support, dependability and customer intimacy are therefore a matter of course. This working culture is the key to our long standing success.”

Peter Ahlmer, Marco Richter