Ask a Supply Chain leader where the next round of savings will come from, and the answer is often a shrug. Lean programs have run for years, Procurement has renegotiated the big contracts, and plants have trimmed overtime. The organization looks efficient on paper. Yet costs keep rising, and the operating budget still bears a strong resemblance to the one from several years ago.
The problem is rarely effort. It is the starting point. When each budget cycle begins from last year's spending, the inherited cost base is treated as a given, and every improvement effort works at the margins of it. Meanwhile, the environment has shifted considerably. Rising tariffs, geopolitical tension, and climate shocks are forcing companies to weigh resilience against lean operating models. Regulators are pressing for carbon reduction and Circular Economy practices. Customers expect faster, more personalized fulfillment. And as Supply Chains digitize, their exposure to cyber-attacks on Logistics platforms, ERP systems, and supplier networks grows alongside them. In some sectors, notably consumer packaged goods, the Supply Chain consumes as much as three quarters of revenue, so even modest structural inefficiencies translate into very large sums.
For years, many leaders kept zero-based methods away from the Supply Chain. Some questioned whether they could work on direct costs such as raw materials. Others worried about destabilizing complex, dynamic systems. Still others believed lean had already harvested whatever value existed. Experience suggests otherwise: the largest untapped opportunities tend to sit between functions, where procurement decisions drive Manufacturing cost, or where planning choices inflate Logistics spend.
Zero-Based Productivity (ZBP) methodology was designed for exactly this terrain. It carries zero-based logic past the budgeting process and into how the organization designs its Supply Chain, structures its resources, and coordinates across the value chain. Instead of asking how much to cut from last year, ZBP asks what the operation should cost if it were built today to serve the current strategy. Organizations that apply it rigorously have achieved cost reductions of up to 50%, releasing capital that can be reinvested in growth, innovation, and resilience.
The 4 Cost Categories of ZBP
ZBP organizes the Supply Chain cost base into 4 essential categories, each examined from a clean sheet:
- Direct Labor
- Indirect Labor
- Warehouse and Logistics
- Materials
Source: https://flevy.com/browse/flevypro/zero-based-productivity-zbp-13813
The first 2 labor categories address people: the workforce that makes the product and the support and supervisory layers around it. The remaining 2 categories address things: the movement and storage of goods, and the inputs that go into the product itself. Viewing costs this way helps leaders see trade-offs that functional budgets obscure, such as a packaging change that saves on materials but raises handling costs in the warehouse. Let's examine the last 2 categories of ZBP framework that govern the physical flow of goods and the product itself more closely, for now.
Warehouse and Logistics
Warehouse and Logistics is typically one of the largest and most variable cost blocks in the Supply Chain. It spans inbound logistics, Warehousing, and Outbound Distribution, whether run in-house or through third-party providers. Because these costs differ so widely across industries and business models, no single benchmark tells the whole story.
ZBP tackles this category with clean-sheet costing, establishing what Logistics and Warehousing services should cost for both internal operations and outside providers, given the organization's strategic choices. That estimate is then tested against peer comparisons and industry standards to locate gaps across each leg of the network. Process efficiency comes next, challenging storage, handling, and transportation workflows to surface hidden waste. Finally, strategic alignment ensures that decisions such as outsourcing versus operating in-house fit the enterprise's operating model and long-term direction rather than historical habit.
The quickest returns usually come from a handful of high-impact areas. Rented warehouse space, fleet utilization, and packaging routinely yield measurable savings, and in one application, clean-sheet analysis revealed savings potential exceeding 20% in rented warehouse space alone.
Materials
Materials is the category where cost and customer perception meet most directly. Every specification change is visible, in principle, to the people who buy the product, so the aim is to reduce spend without touching the attributes customers actually value.
ZBP brings a set of proven techniques to this task. Design to Value engineers products and packaging so each feature and material reflects what customers care about, stripping away what they do not. Product Teardowns disassemble products into components and analyze each for cost, function, and potential substitution or simplification. Vendor and Contracts Review reassesses supplier terms to capture scale efficiencies and price concessions. Total Cost of Ownership shifts the lens from purchase price to lifecycle cost, including logistics, handling, and durability. Yield Optimization reduces process waste and product giveaway, closing the gap between materials purchased and product sold.
Used together, these techniques zero-base the materials budget from the product outward. They expose costs across the chain that can be removed while protecting, and sometimes improving, what customers experience.
Case Study
Consider a regional beverage producer that had expanded quickly through acquisitions. Each acquired brand arrived with its own warehouse leases, third-party logistics contracts, and packaging specifications, and none had been revisited since integration.
A ZBP review of Warehouse and Logistics began with clean-sheet estimates of what storage and distribution should cost for the combined network. The comparison exposed overlapping leased facilities within the same metropolitan areas and delivery fleets running well below capacity on several routes. Consolidating facilities and redesigning routes addressed both, and renegotiated logistics contracts were benchmarked against peer rates rather than prior agreements.
The Materials Review produced a parallel set of gains. A teardown of the company's bottles and multipacks showed several brands using heavier glass and thicker cartons than consumer research justified. Applying Design to Value, the team lightened packaging where customers could not perceive a difference, which also reduced freight weight. A Total Cost of Ownership analysis reversed one supplier decision entirely: the cheapest closure supplier was causing line jams and product giveaway that more than erased its price advantage. The two categories reinforced each other, and the combined savings were significantly larger than either review would have delivered alone.
FAQs
How does clean-sheet costing differ from benchmarking?
Benchmarking compares an organization's costs with those of its peers. Clean-sheet costing builds an estimate of what a service should cost from its underlying drivers. ZBP uses both, because peers can share the same inefficiencies.
Should Warehousing and Logistics be outsourced?
There is no universal answer. ZBP evaluates outsourcing against the operating model and long-term strategy, applying clean-sheet costs to both in-house and third-party options before deciding.
What is Design to Value?
It is a technique for engineering products and packaging around the features customers actually value. Anything customers do not notice or pay for becomes a candidate for simplification or removal.
Why is Total Cost of Ownership important in materials decisions?
Purchase price captures only part of the cost. Handling, logistics, durability, and yield losses can make a cheaper input more expensive overall.
Should organizations tackle all 4 categories at once?
Most prioritize by where their cost base is concentrated, but the categories should be analyzed with their interdependencies in view. Changes in materials, for example, often ripple into Logistics and labor.
Concluding Thoughts
Supply Chain savings rarely hide in obvious places. They sit in inherited leases, legacy specifications, supplier choices made on price alone, and handoffs between functions that no one owns. ZBP's 4 cost categories give leaders a structured way to find them. Warehouse and Logistics and Materials reveal how much value is tied up in moving goods and in the product itself.
The labor categories complete the picture, applying the same clean-sheet challenge to the workforce and the support structures around it. Organizations that work through all 4 ZBP categories replace an inherited cost base with one that reflects today's strategy and customers.
Interested in learning more about the steps and cost categories of the Zero-Based Productivity framework? You can download an editable PowerPoint presentation on Zero-Based Productivity here on the Flevy documents marketplace.
Do You Find Value in This Framework?
You can download in-depth presentations on this and hundreds of similar business frameworks from the FlevyPro Library. FlevyPro is trusted and utilized by 1000s of management consultants and corporate executives.
For even more best practices available on Flevy, have a look at our top 100 lists:
Top 100 in Strategy & Transformation
Top 100 in Organization & Change
Top 100 in Digital Transformation
Top 100 in Operational Excellence
Comments