Editor’s note: A webinar on this topic will held on May 29, 2014, at 2:00 p.m. Eastern / 11:00 a.m. Pacific. Register here.

ISO 9001 has been the quality management standard, with almost a million businesses certified around the world. It has been through many revisions, in 1994, 2000, and 2008, but the 2015 revision has an added element to consider—risk.

Story update 4/24/2014: We bumped up the cost of accreditation based on comments that the original article was on the low side. We also added references to ILAC as well as additional accreditation bodies that operate in the United States (ACLASS, NVLAP, L.A.B.)