Overview
Value Chain Analysis was introduced by Michael E. Porter in Competitive Advantage: Creating and Sustaining Superior Performance (1985, Free Press) — the companion volume to Competitive Strategy. Where Five Forces analyzes the external competitive environment, Value Chain Analysis turns the lens inward, examining how a firm actually creates value through its internal activities.
Porter's insight: a firm is not a monolith but a collection of discrete activities — designing, producing, marketing, delivering, and supporting its products. Each activity contributes to the firm's cost position and creates (or fails to create) differentiation. Competitive advantage arises not from the firm as a whole but from specific activities performed better or differently than rivals.
Primary Activities
The core flow of creating and delivering the product or service:
- Inbound logistics — receiving, storing, and distributing inputs (raw materials, components)
- Operations — transforming inputs into the finished product or service
- Outbound logistics — storing and distributing the finished product to customers
- Marketing and sales — making buyers aware of and able to purchase the product
- Service — supporting the customer after purchase: installation, repair, training
Support Activities
Which enable and cut across the primary activities:
- Firm infrastructure — general management, finance, accounting, legal, planning
- Human resource management — recruiting, training, compensation, development
- Technology development — R&D, process improvement, information systems
- Procurement — purchasing inputs used across the entire chain
The margin in the traditional diagram represents what remains after all activity costs are subtracted from the price the customer pays.
When to Use It
When the client's question is about competitive advantage, cost position, or where value is or isn't being created. Particularly useful for: diagnosing margin compression (which activity is the cost problem?), evaluating build vs. buy vs. partner decisions (where is the firm's genuine advantage?), and identifying differentiation opportunities (which activities could we perform distinctively?).
Less useful for pure market or industry analysis — that's Five Forces and PESTEL territory. The Value Chain is about the firm's internal configuration.
How It Works
- Map the activities — list the primary and support activities relevant to this specific business. Porter's categories are a template; tailor them to the industry. A software company's "inbound logistics" and "operations" look different from a manufacturer's.
- Identify value and cost at each activity — what does each activity contribute to the customer's willingness to pay? What does it cost? Where is margin created, and where is it consumed?
- Identify linkages — activities interact: stronger technology development enables differentiation across every primary activity; better procurement enables lower-cost operations. Some of the most important insights come from optimizing across linkages rather than individual activities in isolation.
- Benchmark against competitors — which activities do rivals perform better, and why? Which activities are potential sources of differentiation that competitors can't easily replicate?
- Draw strategic implications — which activities to invest in, which to outsource, where cost reduction is possible without damaging value creation.
Running It in a Session
Map the client's value chain on the whiteboard during the first 20 minutes — this can run in parallel with issue-tree development. Assign each team member one or two activity categories to analyze. Focus the team's energy on the activities most relevant to the client's question: if the issue is cost, the Analyst should focus on where costs are concentrated; if the issue is differentiation, the focus should be on activities the client performs distinctively.
At recommendation time, the value chain map should show clearly where the intervention targets and why — which activities to change, and what that changes about the firm's cost or differentiation position.
Common Pitfalls
- Generic mapping — copying Porter's categories without tailoring them to the actual business; the value chain for a law firm and an e-commerce retailer look fundamentally different
- Listing without evaluating — mapping activities without assessing value created or cost incurred; the map is the means, not the end
- Ignoring linkages — treating each activity in isolation; often the biggest opportunities are in how activities connect and interact
- Confusing value chain with supply chain — the value chain is the firm's internal activities; the supply chain includes external partners; both matter but they're different analytical objects
- Skipping the competitive benchmark — a value chain analysis without comparison to how competitors perform the same activities doesn't produce competitive insight
References & Further Reading
- Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance (1985, Free Press) — the original and definitive source
Recommended Books
- Competitive Advantage — Michael E. Porter
- Understanding Michael Porter — Joan Magretta
- Competitive Strategy — Michael E. Porter