Certifications

Experts with specialised knowledge

We stand for the highest quality standards and unrestricted reliability. We continuously optimise our services to ensure that we continue to meet the highest demands and expectations of our customers in the future. This continuous improvement process is the foundation of our long-term success and the satisfaction of our customers.

Our certificates

Certifications assess and certify the fulfilment of legal requirements and voluntary standards.

DIN EN ISO 9001:2015 certification

Since 25 May 2016, the quality management system of Dr. Spang GmbH, including all branches, sampling and laboratory tests, has been certified in accordance with DIN EN ISO 9001:2015. Dr. Spang GmbH's QM system, which has been in place for many years, was expanded as part of the certification process and adapted to meet the requirements stipulated by the standard.

Our experts

Experienced experts with specialised knowledge and comprehensive know-how guarantee the highest level of competence. We employ experts in the following areas:

  • Experts in geotechnical engineering

  • Experts in railway construction, field of geotechnical engineering, earthworks and foundation engineering

  • Öbuv (öffentlich bestellt und vereidigt - publicly appointed and sworn in) experts in foundation engineering, earthworks in road construction

  • öbuv experts for stability issues in areas of open-cast and near-surface mining in the district of the state of NRW

  • öbuv experts in foundation engineering

  • öbuv experts earthworks, foundation engineering

  • öbuv experts in retaining structures

  • öbuv experts for damage to buildings