Six Sigma Black Belt Certification Requirements

The Lean Six Sigma Black Belt is one of the most advanced lean six sigma certification programs. These certified black belt professionals are considered to guide an organization towards efficiency and profitability. Hence becoming one of them is critical. This article will explain the six sigma black belt certification requirements that are necessary while taking up the certification.

Six Sigma Black Belt Certification

Certified Lean Six Sigma Black Belt (CLSSBB) is the next Lean Six Sigma level after the Green Belt. A Certified Six Sigma Black Belt is that individual who has the knowledge of the entire six sigma aspects. This black belt certificate helps professionals to implement, perform, interpret and apply “Lean Six Sigma” at an advanced level.

The certified six sigma black belt is a professional who easily can explain six sigma philosophies and principles. These professionals are aware of all the six sigma systems and tools. These lean six sigma black belt professionals demonstrate team leadership and understand all aspects of the DMAIC model with six sigma principles. Black Belts are also known as agents of change within an organization.

After knowing about six sigma black belt professionals, let us see the prerequisites for taking this certification.

Six Sigma Black Belt Certification Requirements

The prerequisites for Six Sigma certification purely depend on the Six Sigma belts you possess, your job experience, the number of Six Sigma projects you have done, roles and responsibilities, and the validity of your certification in Six Sigma projects. Now let us know the eligibility requirements for six sigma black belt certification:

According to IASSC

To sit for the IASSC certified lean six sigma black belt exam, there are no prerequisites required. But, it is recommended to score a minimum score of 70% while taking a Certified Black Belt exam from the International Association for Six Sigma Certification.

According to TUV SUD

To take up a six sigma black belt certification, it is recommended that the candidates must take up Lean Six Sigma Green Belt Training / Certification by TÜV SÜD. Also, completing the Green Belt project is not necessary as many candidates take their first project as a black belt project.


Suppose you want to be a certified Six Sigma green belt professional. In that case, you should have an interest in working with Six Sigma, Lean project management, or any other quality-related projects. To understand all these, taking up a certification course is necessary. We at Invensis Learning provide you the best online training for six sigma black belt certification. Take up this course and become of them.

FAQs on Lean Six Sigma Black Belt

What is the typical length of training for IASSC Lean Six Sigma Black Belt?

The training duration for IASSC Lean Six Sigma Black Belt by Invensis Learning will be 5 days where you will be spending 40 Hrs in total

The topics covered in the IASSC Lean Six Sigma Black Belt training are given below:

Define Phase (21 Hours)

  • The Basics of Six Sigma
  • The Fundamentals of Six Sigma
  • Selecting Lean Six Sigma Projects
  • The Lean Enterprise

Measure Phase (22 Hours)

  • Process Definition
  • Six Sigma Statistics
  • Measurement System Analysis
  • Process Capability

Analyse Phase (16 Hours)

  • Patterns of Variation
  • Inferential Statistics
  • Hypothesis Testing
  • Hypothesis Testing with Non-Normal Data

Improve Phase (11 Hours)

  • Simple Linear Regression
  • Multiple Linear Regression
  • Designed Experiments
  • Full Factorial Experiments
  • Fractional Factorial Experiments

Control Phase (10 Hours)

  • Lean Controls
  • Statistical Process Control (SPC)
  • Six Sigma Control Plans

Hands-on Minitab training (20 Hours)

Mandatory Project Mentoring for individuals / enterprise teams (40 Hours)

Job roles that can benefit from Six Sigma Black Belt training include, but are not limited to:

  • Engineers / Professionals / Executives who want to understand Six Sigma as a management tool for process and performance improvement at their work place
  • Managers, Project Leaders, Senior Engineers, Black Belt Candidates and anyone who desires an understanding of Six Sigma principles and skills.
  • Consultants
  • Also production managers, front line supervisors, quality professionals, and individuals who are responsible for improving quality and processes at an enterprise or departmental level, including champions and process owners

IASSC LSSBB Eligibility Criteria:

There are no prerequisites required to sit for the IASSC Certified Lean Six Sigma Black Belt Exam

TUV SUD LSSBB Eligibility Criteria:

Six Sigma Black Belt certification training course is beneficial for engineers, managers, quality professionals and technical staff with a minimum of 2 years work experience.

To take up the Six Sigma Black Belt Certification Training, professionals should have completed their Six Sigma Green Belt Certification.

IASSC LSSBB Exam Format:

  • No. of Questions: 150 (The Exam contains approximately 30 multiple-choice and true/false questions from each major section of the IASSC Lean Six Sigma Black Belt Body of Knowledge.)
  • Exam Duration: 240 minutes (4 Hours)
  • Exam Result: Should achieve a minimum score of 580 points out of 750 points
  • Pre-requisites: There are no prerequisites required to sit for the IASSC Certified Lean Six Sigma Black Belt Exam
  • Note: Some forms of this exam may also include up to an additional 15 non-graded questions*.


  • Examination paper will consist two parts – A & B
    • Part A will have 100 MCQs
    • Part B will be project submission of 50 marks
  • The examination is considered passed when the two parts of the examination are passed. i.e. each part of the examination must be passed, independently of the other.
  • Passing part A is a prerequisite for participation in part B
  • Both of the parts of the examination must be completed within 8 months from the first participation in the part A examination, otherwise the examination is failed. This time limit of 8 months applies in all possible cases, including repetition of individual parts.
  • Candidate need to score minimum 60 % of the total marks in both the parts respectively and also need to obtain aggregate 70 % marks of the total marks (i.e. 105 out of 150) to pass this examination.
    • Mode: Electronic or paper-based for part A
    • Part B: Formats will be provided for submission of the project.
    • This is an open book exam
    • Each question is of one mark

Duration of exam:

  • Part A : 180 minutes
  • Part B : if part A is passed, then submission should take place within 8 months from the date of exam of part A. The submission must occur in any way before the end of 8 month time limit.

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