S&OP is not a new methodology. It has been around for decades and most of what it says is right. You align demand, supply, finance and strategy on one set of numbers, every month, and someone owns each part of it.

The problem with S&OP processes is the time and work it takes to make them work. A planning team spends two weeks pulling numbers together so that a room can meet for two hours. Most of that work does not need a person to do it anymore.

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The version most companies run

There is a monthly meeting in the calendar. Someone spends the week before it pulling numbers out of the ERP, the order book, and a few spreadsheets that belong to different people.

The pack usually arrives the night before. Then half of the meeting is spent checking whether the numbers are right, and the decisions get the last twenty minutes. Actions are written down and nobody looks at them again before the next cycle starts.

So the meeting gets moved to quarterly. Then it turns into a budget review. Then planning goes back to being one experienced person with a spreadsheet.

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The pack builds itself

Most of the effort in an S&OP cycle goes into preparing the pack. That is the part that can be automated.

Sales against plan by market and channel. Order book and coverage. Inventory against target and how old that inventory is. Supplier confirmations and delays. Margin by product group. Cash phasing on inbound orders.

All of this information already exists in your systems. Once you have agreed what the numbers mean, it can be put together without anyone touching it.

The pack is then ready on the same day every month and it looks the same every time. Nobody has to defend the numbers before the meeting can start.

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Everyone who knows something gets asked

The best information about demand sits with people who are not in the meeting. Store managers. Key account managers. The person who has been talking to a distributor since March.

Asking all of those people used to be impossible to do at any scale. Now the input can be small and spread out. Each person answers only the part they know about, in a sheet that takes them ten minutes to fill in.

Then all of it gets checked. Against history, against the order book, against the plan, and against how accurate that person has been the last three times they were asked. We have run this across more than ten thousand product codes. The planners still make the decisions. They just do not have to build the file anymore.

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The meeting is about decisions

When the numbers arrive already agreed, the agenda changes. What do we buy. What do we chase. What do we stop. What do we discount and when. What that does to cash.

You can also start running scenarios. Move a launch by four weeks. Lose a container. Take a bigger position on a series that is selling ahead of plan. Each of those used to take a planner two days to model, so most of the time nobody did it and the decision was made on experience.

Supply, demand, cash and strategy all move together. Being able to see all of it in one place is what makes the meeting shorter.

On the last programme we ran this way we took 32% of inventory out of the business in under six months while it was still growing. That gave us the room to start a just in time manufacturing programme, which lifted B2B margin by more than 40%. Cash needs became visible early enough that we could plan for them.

We did not buy a new system to do any of this. We built clear reporting packages, set inventory targets that everyone agreed with, and ran a routine on season, month and week.

The method is old. A mid sized brand can now run it properly without hiring a whole planning team to do it.