Most warehouses have a WMS. Fewer have a WES. And almost none have both working together the way they were always meant to. Understanding the difference between a WES vs. WMS isn’t just a software question — it’s the difference between a warehouse that tracks what happened and one that controls what happens next.
Two Different Systems. Two Different Jobs.
Ask a warehouse operator what their WMS does and they’ll say something like “it manages our inventory.” Ask what’s missing, and you’ll often hear: “We still can’t get orders out fast enough,” or “The system doesn’t know what’s happening inside our automation.” That gap has a name — and a solution.
A Warehouse Management System (WMS) is a record-keeping system. It knows what you have, where it came from, and where it needs to go. What it doesn’t do is make real-time decisions about how work gets executed – especially inside an automated environment.
A Warehouse Execution System (WES) lives in that gap. It sits between your WMS and your automation layer, making real-time decisions about sequencing, prioritization, and coordination – across both people and machines.
WES vs. WMS: A Side-by-Side Comparison
What a Warehouse Management System Does
- Maintains inventory records across storage locations
- Manages inbound receiving and directed putaway
- Creates and releases orders for fulfillment
- Tracks stock levels and triggers replenishment
- Integrates with ERP and business systems
- Provides historical reporting and audit trails
What a Warehouse Execution System Does
- Sequences and prioritizes work in real time
- Coordinates picking across people and machines simultaneously
- Manages inventory movement inside the automated system
- Balances throughput across all connected equipment
- Directs AMRs, conveyors, AS/RS, and sortation systems
- Adapts dynamically as conditions on the floor change
The key distinction: your WMS tells you what to fulfill. Your WES makes sure it actually gets fulfilled – efficiently, in the right sequence, and at scale.
Where WMS Falls Short in Automated Warehouses
The WMS was designed for a world of racks, forklifts, and workers with handheld scanners. In that environment, it performs well. But warehouse automation changes the equation entirely. When inventory is moving through a goods-to-person system, a shuttle, or an AS/RS, the WMS has no visibility into what is happening inside that system.
It sees inventory before it enters the automation – and after it exits. What happens in between is effectively a black box. That is where errors accumulate, throughput is lost, and operators lose confidence in their system’s accuracy.
Many OEM automation providers claim their own software fills this gap. In practice, that coverage tends to be narrow – scoped to their specific equipment, not the operation as a whole. You get visibility into one machine, not your entire fulfillment floor.
“New Dawn was built to fill that gap – giving you real-time, system-wide visibility and control that most platforms simply cannot match.”
What Makes New Dawn WES Different
New Dawn is Conveyco’s purpose-built warehouse execution system. It was designed from the ground up to coordinate people, processes, and automation as a unified system – not a patchwork of vendor-specific tools.
Real-Time Inventory Visibility Inside Automation
New Dawn tracks and manages inventory throughout the automated system – not just before and after it. This closes the visibility gap that WMS and most OEM software leave open, giving operators accurate, live data at every stage of fulfillment.
Unified Control Across All Warehouse Equipment
Whether your operation runs AMRs, AS/RS, conveyor, shuttle systems, or sortation, New Dawn connects and coordinates all of it. By balancing flows and orchestrating equipment, it ensures high-volume throughput while meeting demanding order cycles – delivering up to a 25% reduction in overall cycle times.
People and Machines Coordinated from One Platform
New Dawn directs human pickers via Pick-to-Voice, Pick-to-Light, RF, and hybrid methods – all from a single system – while simultaneously coordinating automated equipment. There are no separate control layers, no disconnected handoffs, and no visibility gaps between your workforce and your automation.
Live Dashboards That Enable Proactive Decisions
Operations cannot wait for a report. New Dawn surfaces live KPIs and operational status across every process, so supervisors can identify and correct issues before small delays compound into missed SLAs.
Modular Architecture Built on the RightFIT Methodology
New Dawn is not a one-size-fits-all platform. It can be deployed as a fully integrated system spanning your entire operation, or as targeted modules addressing specific performance gaps. Every deployment is guided by Conveyco’s RightFIT methodology – ensuring the solution fits the operation, not the other way around.
Measurable Results from New Dawn Warehouse Execution Software
Operations running New Dawn WES consistently see measurable performance gains across inventory accuracy, picking speed, and shipping efficiency.
- Up to 99.9% inventory accuracy across the full operation
- 20–30% boost in picking efficiency with unified human and automation control
- 25% reduction in shipping labor costs through automated parcel manifesting and lane assignment
Do You Need Both a WMS and a Warehouse Execution System?
Yes, and they are not competitors. A WMS handles enterprise-level order and inventory records. A WES handles what happens on the floor, in real time. They are designed to work together, not replace each other.
New Dawn sits above your automation layer and below your WMS – receiving order instructions from above and directing every piece of equipment and every worker below. It is the operating brain of your fulfillment operation.
Signs your operation needs a WES:
- Your WMS releases orders but you cannot see what is happening inside your automated systems
- Your OEM software controls one machine but leaves gaps between systems
- You are running a high-volume distribution center with people and automation working side by side
- Your picking cycles are not hitting targets and your data does not explain why
Why Conveyco and New Dawn
Conveyco has been designing and integrating warehouse automation solutions for close to 50 years. New Dawn is not a third-party product, it is proprietary warehouse execution software built in-house and evolved through real deployments across retail, e-commerce, food and beverage, cold chain, and parts distribution environments.
Because Conveyco designs both the software and the physical automation systems, New Dawn integrates at a depth that third-party WES platforms cannot match. Every layer – from PLC to WMS – is coordinated, tested, and supported by the same team. That continuity is what makes Conveyco a trusted partner, not just a vendor.
Frequently Asked Questions: WES vs. WMS
What is the difference between a WES and a WMS?
A WMS (Warehouse Management System) is a record-keeping system that tracks inventory, orders, and stock levels across locations. A WES (Warehouse Execution System) controls how work actually gets done in real time – sequencing tasks, directing workers, and coordinating automated equipment on the floor. They serve different functions and work best together.
Do I need both a WES and a WMS in my warehouse?
Yes. A WMS and a WES are not competitors – they are complementary layers. Your WMS handles enterprise-level order and inventory records. Your WES handles real-time execution on the floor, especially inside automated systems where a WMS has no visibility. High-volume distribution centers running automation almost always need both.
What does a warehouse execution system actually do?
A WES sits between your WMS and your automation layer. It receives order instructions from the WMS and then directs every piece of equipment – conveyors, AS/RS, AMRs, sortation systems – and every worker in real time. It sequences work, balances throughput, and adapts dynamically as conditions on the floor change.
Why can’t my WMS control my warehouse automation?
A WMS was designed for a world of racks, forklifts, and manual scanning. It sees inventory before it enters an automated system and after it exits — but has no visibility into what happens inside. That black box is where errors accumulate and throughput is lost. A WES like New Dawn fills that gap with real-time, system-wide control.
What makes New Dawn WES different from other warehouse execution systems?
New Dawn, built by Conveyco, tracks and manages inventory inside the automated system — not just before and after it. It coordinates people and machines from a single platform, supports Pick-to-Voice, Pick-to-Light, RF, and hybrid picking methods, and connects all automation types including AS/RS, AMRs, conveyor, and sortation. It is built on Conveyco’s RightFIT methodology and backed by nearly 50 years of integration expertise.
How much improvement can I expect from implementing a WES?
Operations running New Dawn WES consistently achieve up to 99.9% inventory accuracy, a 20–30% boost in picking efficiency, and a 25% reduction in shipping labor costs. Results vary by operation, but the gains come from eliminating the visibility and coordination gaps between your WMS, your workforce, and your automation systems.
