The verdict in three sentences
A custom MES connected to your ERP generally costs €40,000 to €95,000 in 2026 and ships in 5 to 9 months depending on line count and machine data capture. An off-the-shelf MES starts faster but bills per station per month and adapts poorly to a Berlin plant's specific flows. The right call comes from the numbers: +8 to 12 OEE points and −20% scrap pay back the investment in under 18 months.
Off-the-shelf MES or custom module: what budget in 2026?
The decision rests on three axes: how specific your routings are, the depth of ERP integration, and machine data capture (IoT). A standard MES suite often forces your processes into its model; a custom module fits your real work orders and bill of materials.
| Item | Off-the-shelf MES (license + integration) | Custom module |
|---|---|---|
| Initial setup | €25,000 – €55,000 | €40,000 – €95,000 |
| License / annual maintenance | €8,000 – €20,000/yr | €6,000 – €14,000/yr |
| Cost per shop-floor station | €40 – €90/station/month | included |
| Fit to specific flows | limited, extra cost | native |
| ERP integration (SAP, Sage, MS Dynamics) | €8,000 – €20,000 | €6,000 – €15,000 |
| IoT machine capture (per line) | €3,000 – €8,000 | €2,500 – €7,000 |
| Time to go live | 3 – 6 months | 5 – 9 months |
Which functions really drive OEE?
OEE degrades on three fronts: availability, performance, quality. A well-wired MES tackles all three in real time.
| Function | Measured effect | 2026 order of magnitude |
|---|---|---|
| Real-time work-order tracking | Fewer idle gaps | +3 to 5 pts availability |
| Automatic machine capture | End of paper entry | −60% data-entry time |
| In-line quality control | Earliest defect detection | −20% scrap |
| Lot / serial traceability | Targeted recall | −70% recall scope |
| Micro-stops analysis | Targeted maintenance | +2 to 4 pts performance |
| OEE reporting per line | Daily decisions | +8 to 12 pts overall OEE |
Mini case study
Lena, plant director of an 85-person precision-mechanics firm in Berlin-Spandau, runs an average OEE of 62% across 4 lines. The custom MES is quoted at €68,000 plus €10,000/yr maintenance, with IoT capture on 4 lines. Lifting OEE from 62% to 72% (+10 pts) on €3.0M of machine revenue recovers roughly €480,000 in annual capacity and cuts scrap by 20%, about €44,000/yr of saved material. Payback lands in under 5 months of valued capacity gain.
FAQ
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How long to deploy a custom MES?
Plan 5 to 9 months: 6-8 weeks of scoping and routing modeling, 3-4 months of development and ERP integration, then a single-line pilot before rollout. Machine capture adds €3,000 to €8,000 per line.
Can we keep our existing ERP?
Yes. The custom MES connects via API or connector to SAP, Sage, MS Dynamics or Infor, for €6,000 to €20,000 depending on complexity. Work orders flow down; times and quantities flow up automatically.
What ROI should we expect?
A realistic 2026 gain is +8 to 12 OEE points and −20% scrap. On a line doing €800,000 of revenue, 10 OEE points equal roughly €130,000 of recovered capacity per year.
Do we need sensors on every machine?
No. Prioritize bottlenecks and high-volume lines. One IoT gateway collects several machines; you extend at the pace of proven gains.
Off-the-shelf or custom for 4 lines?
Below 3 very standard lines, a market MES often suffices. Beyond that, or with atypical routings, custom becomes cheaper thanks to no per-station fee and true fit to your flows.
Let's scope your project. Tell us your lines, your ERP and your OEE targets: we frame the scope, an indicative budget of €40,000 to €95,000 and a 5-to-9-month timeline. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
