Technical Inspection Service (TIS)
What is TIS? As a TIS-certified agency, we work acc ...
Which services do we offer?
Our services
Seconed is part of the SECO Group and has supported over 30,000 construction projects with a team of more than 250 specialized colleagues. As an ISO/IEC 17020:2012 Type A-accredited inspection body, we offer a wide range of services divided into twelve main areas:
- TIS Inspection (Technical Inspection Service)
- Second Opinion
- Quality Assurance Act for Building (Wkb)
- Assessment of the Building Works Environment Decree (Bbl)
- Risk Analysis
- Construction Inspection
- Real Estate Audit & Review
- Technical Due Diligence (existing real estate)
- Third Party Check CC3
- Commissioning
- NTA 8790 Inspection (publicly accessible buildings)
- BREEAM
We deliver these services across all construction segments — residential, commercial, civil, energy, industrial, and leisure — with a focus on the key aspects of each project: building physics/comfort, fire safety, structural safety, sustainability, energy efficiency, façades & roofs, installations, and steel structures & preservation.
