Lean vs Six Sigma: What’s the Difference and Which Does Your Operation Need?
When organizations begin their continuous improvement journey, one of the most common questions is choosing to implement lean vs six sigma.
For more information about engaging GBMP for customized onsite Lean & Six Sigma training for your organization or to schedule a free Lean operational assessment please contact Jamie Millman at 617-710-7033 or by email at Jmillman@gbmp.org
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2 min read
GBMP : 6/19/26 8:26 AM
When an organization decides to invest in lean, one of the first decisions is how to get there: through structured training or hands-on consulting support. The lean workshop vs consulting question comes up frequently, and the honest answer is that both have a place. The right choice for you depends on where your organization is on its lean journey, how much internal capability you already have, and how quickly you need results. Understanding the difference helps you invest your training budget where it will actually move the needle.
Lean workshops are structured, time-bound learning experiences built to teach specific concepts, tools, or frameworks. They work well when the goal is building broad capability across a team or organization rather than solving one specific operational problem. Public lean workshops, in particular, bring together participants from different companies and industries, which often sparks ideas that wouldn't surface in a closed-door internal session. Workshops are also a cost-effective way to train supervisors and managers on lean fundamentals before committing to a larger, longer-term initiative.
Consulting engagements are longer-term, customized partnerships where a lean expert works directly inside your operation to help your team members understand and feel confident designing improvement projects and implementing countermeasures, and coaching leaders through implementation. Unlike a workshop, consulting is tailored to your specific processes, metrics, and culture. It's the right fit when an organization has already identified a clear improvement target (such as reducing changeover time or stabilizing a struggling production line) and needs hands-on guidance to execute and sustain the change, not just learn the theory behind it.
Most organizations benefit from a blend of training formats rather than choosing just one. Common options include:
Public lean workshops. Open-enrollment sessions where individuals or small groups from a company attend alongside participants from other organizations. These are ideal for building foundational lean skills, exposing employees to outside perspectives, and testing the waters before a larger commitment.
On-site team training. Workshops delivered privately at your facility, customized to your processes and terminology. This format keeps lean workshop content directly relevant to the team's actual work environment.
Facilitated kaizen events. Short, intensive improvement projects where a facilitator guides a cross-functional team through solving a specific, defined problem in days rather than months.
Ongoing consulting support. Extended engagements where a lean expert works alongside leadership over weeks or months, building internal capability while driving measurable operational results.
Train-the-trainer programs. Designed to build sustainable, internal lean expertise so an organization isn't permanently dependent on outside support.
If your organization is early in its lean journey or wants to build broad awareness across leadership, start with public lean workshops or on-site team training. If you already understand lean fundamentals and need help executing a specific transformation, a consulting engagement will likely deliver faster, more targeted results. Many organizations find the most value in combining both: training to build knowledge, and consulting to apply it where it counts.
Whether you need a single public workshop, a customized on-site session, or hands-on consulting support for a major initiative, GBMP offers flexible engagement options built around where your organization is today. Learn about all the ways GBMP can engage with your team and find the right starting point for your lean journey.
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