Company · History
Plant engineering and CAD since 2002
Technical solutions change – experience remains. Our standard: technology has to work in practice and deliver real added value.
Milestones
- 2002The beginning
Sales, training and project support for ACPlant Designer in Germany and Switzerland.
- 2007/08Growth
490% revenue growth; after Autodesk acquired ACPlant, transition to A. Seitz Ingenieur GmbH.
- 2009Autodesk reseller
Focus on solutions for plant engineering and factory planning.
- 2011Autodesk Authorized Training Center
Recognition as an authorized training center.
- 20133D laser scanning
Entry into digital as-built capture with FARO.
- 2016Scan-to-BIM
FARO As-Built and SCENE for processing scan data.
- 2017PlantTools
auxalia PlantTools for working more efficiently with Plant 3D.
- 2018New solutions & partners
OrthoGen and Firequest; strategic partnership with Contelos GmbH.
- 2022Simulation
Partnership with e4e engineers for engineers (FEA, flow, heat).
- 2024Contelos-Seitz Consulting
Joint company for BIM, CAD and digital transformation.
- 2026ASEING
Our own products: PlantConfig Pro, piping catalogs, complete package, video courses, calculators.

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