Pay Invoice

This page is for existing Lean Sigma Corporation customers and licensed partners who have been issued an invoice for training programs, certification exams, or licensing fees. This page does not support new purchases, refunds, or payment disputes.

  • Payments submitted here will be applied to the issued invoice
  • Please ensure your invoice number is entered accurately
  • Payments are processed securely and credited to the corresponding account

If you have received an invoice from Lean Sigma Corporation, you may submit payment using the secure form below.

This field is for validation purposes and should be left unchanged.
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Certification & Licensing Notice

Lean Sigma Corporation administers certification-aligned training programs and professional Six Sigma certification courses and exams. Invoice payments do not grant access to courses, exams, or certification unless otherwise specified in your "Partner" agreement or registration instructions.

Questions About an Invoice?

For invoice clarification, payment confirmation, or administrative billing matters, please contact:

  • admin[at]leansigmacorporation.com