Executive summary
ERP and WMS decisions often go wrong long before configuration begins. The breakdown usually starts when distributors compare features before documenting their operating model, warehouse exceptions, integration requirements, adoption risks, and measurable outcomes. A stronger selection process begins with real workflows, defines the future state, scripts vendor demonstrations around actual transactions, and tests difficult scenarios, not just the happy path. The goal is not to buy the platform with the longest feature list. It is to select and implement the system that fits the distributor’s operation, growth plan, and ability to sustain change.
The first demo is often too early
Most distributors begin an ERP or WMS search with reasonable intentions.
They identify several platforms.
They gather requirements.
They schedule demonstrations.
They compare features and pricing.
But there’s a problem in this approach.
The organization may be comparing software before it has agreed on how the business should operate.
Receiving still follows different rules by branch. Customer-specific exceptions live in employee memory. Inventory adjustments are handled differently by each supervisor. Reports use conflicting definitions, and no one has decided which customizations are truly necessary.
When those questions remain unresolved, a software demonstration can create false confidence. Every platform appears capable because every vendor is showing an idealized workflow.
The real test is not whether a system can process a standard order.
It is whether the system can support the operation when the order is late, short, damaged, mislabeled, split, lot-controlled, customer-specific, or outside the normal unit of measure.
Feature fit is not the same as operational fit
Gartner recommends that organizations document the operational characteristics of each warehouse before selecting a WMS, because the best functional fit depends on the facility’s complexity, throughput, processes, and extended capabilities.
That is especially important for midmarket distributors and 3PLs.
A system may be highly capable but unnecessarily complex for one operation. Another may look simple and affordable but lack the configurability needed for customer-specific billing, multi-site inventory, compliance, or future automation.
The right selection question is not:
Which platform has the most functionality?
It is:
Which capabilities matter enough to change our operational and financial outcomes?
That usually narrows the true requirements considerably.
For a distributor, the highest-value requirements might be system-directed putaway, real-time available inventory, customer-specific pricing, lot traceability, purchasing control, mobile receiving, or exception reporting.
For a 3PL, the priority may be multi-client configuration, automated charge capture, customer portals, flexible reporting, onboarding speed, and inventory separation.
The answer depends on the business model, not the software category.
Map the real workflow before designing the future one
A useful process map does not show how the standard operating procedure says work should happen.
It shows how work actually happens.
That means observing receiving, putaway, replenishment, picking, packing, shipping, billing, inventory control, and customer service. It also means documenting where employees leave the system, use paper, maintain spreadsheets, ask another employee for help, or create a workaround.
These details are not embarrassing exceptions to hide from a vendor.
They are the substance of the implementation.
Sequoia Group’s work with North Coast Logistics illustrates the point. Before modernization, inbound activity, inventory moves, picking, documentation, and billing depended heavily on paper and manual intervention. Sequoia Group’s implementation role included understanding the operational need in detail, configuring the solution around the customer’s workflows, and continuing to support the operation after go-live.
The system mattered.
But the value came from translating operating reality into system behavior.
Turn requirements into measurable scenarios
Traditional requirement lists often contain statements such as:
- The system must support receiving
- The system must provide inventory visibility
- The system must integrate with the ERP
- The system must support reporting
Those statements are too broad to separate one solution from another.
A stronger requirement is written as a scenario:
A receiver must process a mixed pallet containing lot-controlled and non-lot-controlled items, record one damaged case, place the remaining cases into multiple system-directed locations, and make the available inventory visible to customer service immediately.
Now the vendor must demonstrate the actual work.
Inbound Logistics recommends scripted demonstrations that represent daily operations and involve the supervisors and employees who will use the system, not only executives and IT decision-makers.
The same discipline should carry into testing.
WMS testing should deliberately include bad data, high volumes, physical constraints, equipment failures, short picks, unplanned receipts, damaged inventory, simultaneous users, and other exceptions. Testing only the happy path proves very little about how the operation will perform after go-live.
Implementation ownership cannot sit only with IT
ERP and WMS projects require technical leadership.
But they should not be treated primarily as IT projects.
Warehouse leaders must own warehouse process decisions.
Finance must own financial controls and reporting definitions.
Customer service must validate order visibility and exception handling.
Purchasing must validate replenishment logic.
Sales must clarify customer-specific commitments.
Executives must resolve cross-functional conflicts instead of allowing them to become configuration problems.
Gartner’s ERP change-management guidance warns against treating transformation as a single point-in-time event. Users need support throughout the initiative, not simply a training class immediately before launch.
That means adoption planning should begin during design.
The project team should identify which roles will change, which metrics will be affected, which experienced employees may resist system-directed workflows, and which supervisors will reinforce the new process when pressure rises.
Go-live is not the end of change management.
It is when change management becomes operational.
Define success before signing the contract
A project without baseline measures cannot prove improvement.
Before selection, capture a practical set of current-state metrics:
- Receiving hours per load
- Dock-to-stock time
- Lines picked per labor hour
- Order accuracy
- Inventory adjustment frequency
- Time spent searching for inventory
- Overtime by function
- Invoice cycle time
- Customer-service touches per order
- Cost per outbound order
Not every metric must improve immediately.
But every major investment should have an explicit operational thesis.
For example:
System-directed putaway will reduce search time and improve inventory availability.
Mobile charge capture will reduce missed 3PL billing.
Real-time order status will reduce customer-service inquiries.
Those hypotheses make configuration decisions clearer and post-launch optimization more disciplined.
Practical takeaways
- Delay demos until the top workflows and exceptions are mapped. Vendors should respond to the distributor’s operating scenarios, not control the agenda with generic product tours.
- Limit phase-one requirements to measurable value. Separate must-have capabilities from later optimization so the initial implementation remains focused and adoptable.
- Create a joint operations-and-IT governance team. Give named business owners authority over process design, testing, training, and post-go-live performance.
Before scheduling another software demonstration, make sure the operation (not the vendor) defines what success looks like. Sequoia Group helps distributors evaluate ERP and WMS fit, map real workflows, and build implementation roadmaps grounded in measurable outcomes.
We can help get the right conversation started.

