For many people, obtaining certification through their employer as a Green Belt or Black Belt is sufficient. This allows them to hold those roles in their company, list their certification on a resume or other document and qualify for training at the next level in the company. Company Six Sigma Certification programs of course vary but typically require passing a written exam and successfully completing one more Green Belt or Black Belt projects.
In other cases, obtaining certification from an outside agency is a better option. It is the only option for individuals whose employers don't offer Six Sigma training or don't offer certification as part of the program. It is also useful for employees who are not able to participate in their company's Six Sigma training and certification program for any reason. For many people, the added credibility and opportunity that certification by an independent agency provides are reason enough to pursue outside certification.
If you look on line for Six Sigma certification options, you will find that many organizations offer this service. Some of the most popular and reputable are listed in the Resource section below. You can apply for a training program that includes certification or if you have already received training and completed one or more projects you can apply for certification only. Training can be conducted on line or in traditional classroom format. In almost all cases you will need pass a written exam and demonstrate successful completion of one or more Six Sigma projects. Typically Green Belt certifications requires completion of one project while two or more are required for Black Belt certification.
In evaluating independent certifying agencies, be sure to consider your budget, the credibility of the certifying body, the time commitment and whether any work you have already done or training you have already received will be credited. Programs that include training can cost upward of $10,000 at the Black Belt level. Also remember to find out about the requirements for taking the written exam, as there may be a calendar of test dates and advance sign up may be required.
Finally, since you will be expected to submit a signed affidavit confirming successful completion of any Six Sigma projects you conducted outside of the training program, you need to be sure to get this confirmation from your project sponsor or champion.