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Sales and Operations Planning (S&OP): Aligning Demand, Supply and the Plant

Sales and Operations Planning (S&OP): Aligning Demand, Supply and the Plant

Sales and operations planning (S&OP) explained: how the monthly process aligns demand, supply, inventory and capacity into one plan - the steps, who.
Sales and Operations Planning (S&OP): Aligning Demand, Supply and the Plant

Key takeaways

See our guide to maintenance planning and scheduling.

  • Sales and operations planning (S&OP) is the monthly cross-functional process that aligns demand, supply, inventory, and finance into one agreed plan everyone commits to.
  • It is a decision-making process, not a spreadsheet. The output is a set of executive decisions about what to make and sell, not just a reconciled forecast.
  • S&OP sits above the master production schedule. It sets the agreed volumes and priorities; the MPS turns them into specific build commitments.
  • It fails when it becomes a data-review meeting with no decisions, or when the supply side brings nameplate capacity instead of what the floor can actually deliver.

What S&OP is

Sales and operations planning is a recurring, usually monthly, process that brings sales, operations, finance, and leadership together to agree one plan for the months ahead. The point is alignment: instead of sales promising volumes operations cannot make, or finance budgeting against a forecast nobody on the floor believes, everyone commits to one set of numbers and the trade-offs behind them.

The monthly S&OP cycle

A typical cycle moves through a few stages:

  • Demand review. Sales and marketing agree the demand forecast.
  • Supply review. Operations checks whether that demand can be met with available capacity and inventory. This is where real capacity data matters.
  • Reconciliation. Gaps between demand and supply are surfaced, with options and their financial impact.
  • Executive review. Leadership makes the calls: approve, adjust, invest, or push back demand.

S&OP versus the master production schedule

S&OP and the master production schedule are adjacent but distinct. S&OP works in aggregate (product families, monthly) and produces agreed volumes and priorities. The MPS takes those and commits to specific products on specific dates. S&OP decides the direction; the MPS executes it.

Who is involved

S&OP only works as a cross-functional process. Sales owns demand, operations owns supply, finance owns the money, and an executive sponsor owns the decisions. Missing any one turns it into a partial exercise: a demand plan with no supply reality, or a supply plan with no authority to act.

Why S&OP fails

  • It becomes a status meeting. If the room reviews data but makes no decisions, it is not S&OP, it is a report read aloud.
  • No executive teeth. Without a sponsor who can commit resources, the agreed plan is just a suggestion.
  • Fantasy capacity. If the supply review uses nameplate rates instead of demonstrated capacity, the whole plan rests on a number the floor cannot hit.

How Fabrico fits

S&OP itself runs in your planning process, not in Fabrico . Where Fabrico strengthens it is the supply review: it gives operations the real, measured capacity and downtime of each line, so the supply commitment is grounded in what the floor actually delivers rather than an optimistic rate.

That keeps the agreed plan honest and the downstream MPS achievable. Fabrico is built and hosted in the EU with data residency in mind and is ISO 27001 certified. To bring a real capacity picture to your next supply review, book a demo .

Related reading

Frequently asked questions

What is the difference between S&OP and the MPS?

S&OP works in aggregate (product families, monthly) and produces agreed volumes and priorities across sales, operations, and finance. The master production schedule turns those into specific build commitments by product and date. S&OP sets direction; the MPS executes it.

How often does S&OP run?

Most organisations run it on a monthly cycle, with the demand, supply, reconciliation, and executive reviews spread across the month. The cadence matters less than whether each cycle actually ends in decisions.

Why do S&OP processes fail?

Usually because the meeting reviews data without making decisions, because there is no executive sponsor with authority to commit resources, or because the supply side plans against nameplate capacity instead of what the floor can really produce.

What does operations need to bring to S&OP?

A realistic supply picture: demonstrated capacity, current downtime trends, and the constraints that limit output. Bringing measured numbers rather than rated ones is what keeps the agreed plan achievable.

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