Value Stream Mapping (VSM) in 6 Steps | OEC Insights
- 3 days ago
- 2 min read
By Allan Ung, Operatonal Excellence Consulting
OEC Implementation Insights
Implementation is where success or failure happens. At OEC, we go beyond awareness to provide structured, practical guidance on Lean, TPM, ISO, and quality systems. Each article in this series highlights proven steps, common pitfalls, and practical insights — and connects directly to facilitation‑ready training presentations that help teams move from learning to doing.
Value Stream Mapping (VSM) is a Lean tool that visualizes the flow of materials and information across a process. It helps organizations see the big picture, identify bottlenecks, and eliminate non‑value‑adding activities. This guide outlines six practical steps to implement VSM — and highlights common pitfalls to avoid.

Step 1: Define the Scope
Select the product, service, or process to be mapped. Clarify boundaries and objectives.
Why it matters: A clear scope ensures focus. Mapping too broadly dilutes insights, while mapping too narrowly misses systemic issues.
Step 2: Map the Current State
Document each step of the process, including cycle times, inventory levels, and information flows.
Why it matters: The current state map provides visibility. It reveals inefficiencies and creates a baseline for improvement.
Step 3: Identify Waste
Analyze the current state map to highlight delays, rework, excess inventory, or unnecessary steps.
Why it matters: VSM is a powerful tool for identifying Lean waste (muda). By making waste visible, organizations can prioritize improvements that deliver the greatest impact.
Step 4: Design the Future State
Develop a streamlined process that reduces waste, improves flow, and enhances customer value.
Why it matters: The future state map provides a vision. It guides teams toward a more efficient, customer‑focused process.
Step 5: Create an Implementation Plan
Translate the future state into actionable steps, timelines, and responsibilities.
Why it matters: Planning ensures improvements are practical and achievable. It bridges the gap between vision and execution.
Step 6: Execute and Review
Implement changes, monitor progress, and update the map as processes evolve.
Why it matters: Execution turns ideas into results. Regular reviews ensure improvements are sustained and aligned with business goals.
Common Pitfalls to Avoid in Value Stream Mapping
Treating VSM as a one‑time exercise. It must be updated as processes change.
Overcomplicating maps. Simplicity ensures usability.
Failing to involve cross‑functional teams. VSM requires input from all stakeholders.
Ignoring waste identification. Without focusing on waste, VSM becomes just a diagram.
👉 Want to move beyond awareness and use VSM to transform your processes? Download the facilitation‑ready OEC Value Stream Mapping Training Presentation — complete with structured slides and case examples to guide your team through successful implementation.
About the Author

Article by Allan Ung, Founder & Principal Consultant at Operational Excellence Consulting (Singapore) — a practitioner-led management consultancy specializing in Lean management and Design Thinking. OEC's facilitation‑ready training presentations are built from real practice, designed to help professionals move from awareness to successful implementation. Learn more at www.oeconsulting.com.sg
This article is part of the OEC Implementation Insights series — practical guides linked to facilitation‑ready training presentations.
