Lean in an industrial SME — it isn't expensive; the old way of doing it was.

The problem

The SME owner knows Lean pays off — and distrusts the model used to get there.

The owner of an industrial SME has watched two waves go by. The first: "roll out Lean with a consultant over 18 months". The invoice kept climbing and the Tuesday 11 a.m. steering committee never moved the bottom line. The second: "digitize with a new ERP". More invoice, more months, less OEE during the switchover. Both waves left a residue: the feeling that to do Lean seriously you have to be a multinational.

1. Traditional consulting sells method and hours, not results. A large share of the effort goes into training, committees, VSM maps that age badly and a manual that ends up in a drawer.
2. Industrial software was written for multinationals — complex interfaces, expensive ERPs, vertical MES that required an IT team the SME does not have.
3. The veteran is the only real Lean system — the one who knows each machine's trick, who sees the defect coming before it happens. And the day they retire, half the plant walks out with them.

The result: the SME gives up on serious Lean, settles for a 5S of photos on the wall and an OEE that "we more or less know" but nobody measures. The old way was expensive and slow — that is the news that has changed.

How it fits the IRIS system

iLEAN doesn't sell you a methodology — it hands you a working cycle in your plant.

The IRIS category (Industrial Reality Intelligence Systems) starts from one principle: plant reality first, report afterwards. In the SME that fits like a glove, because the owner is there, sees the plant and signs. iLEAN acts as filler between the systems you already have — be it a modest ERP, a spreadsheet or the veteran's head — without asking you to throw away anything you already paid for.

We start with the Pareto low-hanging fruit. A 3-5 day immersion. First value in weeks. The rollout is done by your team, not by us.

The iLEAN SME package combines the three pieces according to your plant's Pareto:

• Edge — a terminal with computer vision on the critical part (where scrap is born, where cadence is lost). It works without a network — if the SME loses its WiFi, Edge keeps capturing and buffering. The low-hanging fruit is usually here: jidoka on the recurring defect, with detection before the part reaches the point of no return.
• Connect — captures the information that today lives in islands: the shift supervisor's spreadsheet, the sales rep's message with the customer complaint, the supplier's email about the raw-material change, the notes in the veteran's notebook. That information becomes usable data at second zero.
• Agent — cross-checks capture against system, proposes actions and prepares the boring but critical dossiers (batch file, shift report, improvement proposal). The spectacular agent sells; the boring, concrete agent is the one that pays for the pilot.

See the full IRIS architecture →

Before and after

Traditional Lean in an SME vs. the iLEAN SME package

Aspect	Traditional Lean consulting	iLEAN SME package
Project duration	12-24 months, weekly committees	3-5 day immersion, first value in weeks
Commercial model	Hours and consultants, open-ended invoice	Fixed-price closed pilot
Starting point	"Roll out Lean across the whole plant"	Pareto low-hanging fruit: the line/family that pays most
Who does the work	Consultant in a meeting room + your team in meetings	Engineer embedded on the floor + your team learning
Replication to other lines	More hours, more invoice	Your own trained team, without us
What remains at closeout	A manual and some training	A working agent cycle + your people trained

Impact estimate

Impact estimate for your plant — to be validated with your numbers.

The block below is an estimate to be validated with the specific data of your plant. We lay it out so the board has an order of magnitude; we refine it during the diagnostic.

• Industrial SME of 50-200 people, 1-3 lines, with no dedicated Lean department.
• iLEAN SME package: a 3-5 day immersion + an Edge/Connect/Agent pilot on the Pareto low-hanging fruit. First value visible in a few weeks.
• Indicative payback between 4 and 9 months, with most pilots closing well under the year^[1]. The typical hard lever in an SME: scrap reduced by ≥ 30% on the pilot line + shift-supervisor hours freed from paperwork.
• Commercial model: a fixed-price closed pilot. We don't invoice hours, we invoice the delivered cycle.

And the owner's reasonable doubt

"Is this about cutting headcount?" — no. And the answer isn't defensive, it comes from the core of the book: the factories that win will be the ones with people, not because someone subsidizes them, but because they are better. The operator who used to start the shift scared ("I'm going to mess this up") now starts it with an AI acting as a safety net. Same person, same salary, a different life — and a plant that performs better because it didn't get rid of the one who knew. That is the iLEAN thesis. There is another way of doing it — the lights-out plant — and it exists; the difference is that it doesn't build anything that lasts.

[1] OpenAI paper "Why Language Models Hallucinate", 2025 — on the reliability of AI in anchored tasks.