ISO 17258:2015描述了根据六西格玛原则建立过程、产品和服务的质量、性能和生产率水平的方法。它适用于所有部门（行业、服务、行政管理等）和所有类型的组织，无论它是否已经参与了六西格玛、精益等改进计划。特别是，它可以通过提供一系列改进项目来启动六西格玛计划。 笔记该方法的重点是标准、度量、测量过程和比较过程。然后，这些结果可以用来确定基准测试的良好实践。

ISO 17258:2015 describes a methodology for establishing the level of quality, performance, and productivity of processes, products, and services according to Six Sigma principles. It is applicable to all sectors (industries, services, administration, etc.) and to all types of organizations, whether it is already involved in an improvement programme such as Six Sigma, Lean, or not. In particular, it can be used to initiate a Six Sigma programme by providing a selection of improvement projects. NOTE. The focus of this methodology is on criteria, measures, measurement process, and comparison process. The results can then be used to identify good practices of benchmarking.