There seems to be lot of confusion in the minds of lot of people ie ..which certification they should go for , it is always better for an organization to get there foundations on quality well set before going in for mature processes like Six Sigma ,COPC , TS / TL-9000, TQM etc .. Certifications ……it is always better to have a good documented processes and systems layed down.
So once your quality platform is layed firm U look up for vertical Quality initatives as mentioned above …………