
IASSC® Lean Six Sigma Courses
Lean Six Sigma Certification Courses
The International Association for Six Sigma Certification (IASSC) serves as a vital industry standard that bridges the gap between theoretical knowledge and corporate utility. For employers, the primary value of CSSC-accredited courses lies in quality assurance and standardisation. Because Six Sigma has no single federal oversight body, the IASSC provides a rigorous, globally recognised Body of Knowledge that ensures a candidate’s expertise is consistent, regardless of where they were trained.
Why IASSC Lean Six Sigma Certification Courses?
- Reduced Operational Risk: IASSC-certified professionals are trained to move beyond gut feeling to data-driven decision-making. This shift reduces costly errors and ensures that process improvements are statistically sound.
- Immediate ROI through DMAIC: IASSC training emphasises the DMAIC (Define, Measure, Analyse, Improve, Control) framework. Employers benefit from staff who can systematically identify bottlenecks and eliminate waste, often leading to six-figure cost savings within the first year of implementation.
- Scalable Workforce Development: Since the IASSC offers a range of belt levels – from Yellow to Black Belt – employers can strategically upskill their workforce. This allows companies to build internal Continuous Improvement teams without the high cost of external consultants.
Why iungo?
- Experienced Tutors: Our team comprises Master Black Belts and Black Belts with wide ranging experience of continuous improvement methodologies and techniques.
- Cross-Sector Experience: We support clients across manufacturing, construction, public sector and service industries to adopt lean six sigma techniques, tailoring the content to their unique business contexts.
- Flexibility: We deliver public cohorts across Wales and the West of England but travel UK-wide to support clients with on-site training requirements.
Accreditation
Your IASSC® certification is officially accredited by PeopleCert, the world leader in professional skills assessment and the sole global custodian of the IASSC® framework. The International Association for Six Sigma Certification (IASSC) was acquired in September 2020 by PeopleCert, a global leader in exam delivery and professional skill certifications. Because this elite certification can only be issued by PeopleCert or through rigorously vetted Accredited Training Organisations (ATOs), employers worldwide instantly recognise your credential as a symbol of genuine, high-calibre expertise. By choosing IASSC®, you aren’t just earning a certificate – you are securing a universally respected stamp of quality that guarantees your skills are elite, trusted, and highly marketable anywhere in the world.
IASSC® digital badge credentials are issued via Credly.
Lean Six Sigma Certifications
IASSC® Certified Lean Six Sigma Yellow Belt
PCV3PLS
Empower your employees with the fundamental skills of process improvement and efficiency. This foundational certification equips your workforce—from operational staff to business analysts—with a cohesive understanding of the Lean Six Sigma methodology, building a common language for continuous improvement across all departments.
IASSC® Certified Lean Six Sigma Green Belt
PCV4PLS
This intermediate-level certification equips your professionals with a thorough understanding of the core-to-advanced elements of the Lean Six Sigma Methodology, focusing on the globally recognised DMAIC (Define, Measure, Analyse, Improve, Control) framework. By attaining this certification, your team gains the necessary expertise to lead improvement projects within their functional groups and effectively support Black Belts in more complex, cross-functional initiatives.
IASSC® Certified Lean Six Sigma Black Belt
PCV5PLS
Develop a pipeline of elite process leaders capable of driving significant, sustained improvement across your entire organisation. This high-level certification empowers key staff to master advanced statistical analysis and the robust DMAIC methodology (Define, Measure, Analyse, Improve, Control), enabling them to spearhead complex, cross-functional projects and mentor Green Belts.
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We’re here to support you with all your upskilling needs, from apprenticeships to bespoke training. Contact us to see how we can help.

