Assembly or production: which one fits your shop
Building blocks of a production setup
Production BOMs
List components and quantities, including scrap percentages, and can nest other BOMs as phantom levels or reference sub-assemblies as their own items.
Routings
Define the operations in order, each with setup, run, wait and move times, so the system can calculate lead time and labor or machine cost.
Work and machine centers
Work centers group capacity and carry cost rates; machine centers sit under them when you need to schedule individual machines.
Flushing methods
Manual, forward, backward and pick-based options decide when component consumption posts, which changes how much data entry the floor must do.
Versions
BOM and routing versions with starting dates let you change a recipe or process without editing history.
Subcontracting
An operation can be sent to an outside vendor through a subcontracting worksheet that creates a purchase order for that step.
How planning turns demand into orders
The planning worksheet reads sales orders, forecasts, safety stock and existing supply, then proposes new production and purchase orders or changes to existing ones as action messages. Each item's reordering policy, lead times and dampener settings shape what it suggests, so bad item data produces bad plans very quickly.
Business Central offers both MPS, which plans the top-level items driven by demand, and MRP, which explodes those plans down to components. Most mid-sized manufacturers run both together on a schedule and let planners accept the messages each morning.
Production orders then move through statuses. Planned and firm planned orders reserve nothing on the floor; released orders are where consumption and output are posted; finishing an order locks it for cost adjustment and variance reporting.
Common manufacturing setup errors we are asked to fix
- βRoutings with run times guessed rather than measured, which makes capacity and cost figures meaningless.
- βBackward flushing everything to save data entry, then finding components never consumed because output was posted late.
- βStandard costs rolled up once at go-live and never updated, so variances grow until nobody reads them.
- βEvery customer configuration created as a separate item and BOM when variants or assembly to order would do.
- βPlanning parameters left at default on every item, producing hundreds of tiny purchase suggestions a day.

How we take a plant live on Business Central
- 1
Decide the licence honestly
If assembly orders cover your process, we tell you and you stay on Essentials. Premium is only recommended when production orders, routings or MRP are truly needed.
- 2
Model a few products end to end
We pick a simple, a typical and a difficult product and build their items, BOMs and routings first, so the design is proven before bulk loading.
- 3
Set costing and flushing
Costing method, overhead rates, and the flushing method for each component are agreed with finance and the floor lead together.
- 4
Run planning in a sandbox
Real open orders and forecasts go through the planning worksheet until planners trust the suggestions.
- 5
Go live on the floor
Output and consumption journals, or the production journal per order, are set up so operators record work where they stand.
Business Central manufacturing questions
Is Business Central suitable for process manufacturing like food or chemicals?
The standard product handles batch production, lot tracking, expiration dates and scrap reasonably well. Where process manufacturers need formula scaling, potency, co-products and by-products, or detailed quality control, specialist AppSource apps exist for exactly that. We assess your recipes and compliance needs before suggesting standard or an app.
Can we mix Essentials and Premium users?
Premium licensing rules are set in Microsoft's licensing guide and they affect how the whole tenant is licensed, not only the people on the shop floor. We walk through the current guide with you, and your licensing partner confirms the final count. It is a decision to settle early, because the Premium features are what you are building around.
Does it include a shop floor data collection screen?
Business Central has output, consumption and capacity journals plus the production journal for each order, which work on a tablet. It does not ship a dedicated touch-screen terminal for clocking on and off operations. Many plants add an AppSource app for that, or we build a simple page as an extension.
How is product cost calculated?
Standard cost items get their cost from a rolled-up calculation of material, labor, overhead and subcontracting through the BOM and routing. Actual cost is captured when consumption and output post, and variances appear when production orders are finished and costs are adjusted. Average and FIFO manufactured items take their cost from what was actually consumed.
Can it schedule to finite capacity?
Work and machine centers can be set to finite loading, and capacity constrained resources can be defined so planning respects a bottleneck. It is not a full advanced planning and scheduling system with drag-and-drop sequencing. Plants that need that level usually add a scheduling app on top.
Talk to us about your project.
Tell us what you run today and what has to change. A senior consultant replies with a written next step.
