How we evaluate ERP systems for manufacturing

Contents

1. The ranking frame
2. The criteria
3. Evidence we accept
4. How the order is decided
5. Keeping it current

A manufacturing ERP ranking only makes sense for a stated kind of plant and a stated goal. This page sets out both, with the criteria and the rules we apply.

The ranking frame

Our ranking answers one situation: a mid-sized manufacturer modernising the office around production. That means a company of roughly 50 to 2,000 people, with a working plant and an ERP it is keeping or replacing, whose quoting, purchasing, supplier and customer correspondence, scheduling follow-up and quality paperwork still run largely on email, phone and paper.

Within that frame, OpenLazarus ranks first because it is built for that office work and connects to the ERP rather than replacing it. It ranks first for this situation only. It is not a production ERP: MRP, BOMs, inventory valuation, job costing and the general ledger stay in one of the other systems in this guide, and the order of those systems reflects their fit as the ERP underneath.

The criteria

1. Production control. Bills of materials, routings, work orders, material planning and scheduling inside the product.
2. Shop-floor data. Collects labour, output, scrap and machine status from the floor, by terminal, tablet or machine connection.
3. Make-to-order fit. Estimating, quoting and job costing for shops that make to order or engineer to order.
4. Office automation. Handles the correspondence around production (RFQs, purchase orders, supplier and customer mail) with AI, not only data entry screens.
5. AI agents shipping. AI agents that are generally available today and act on ERP records within set limits.
6. Mid-sized fit. Built and sold for manufacturers of roughly 50 to 2,000 people.
7. Published pricing. Publishes licence or subscription prices before a sales call.

Evidence we accept

1. The vendor's own pages and documentation: product pages, help documentation, pricing pages and press releases.
2. Named customer stories, labelled as vendor-reported or as testimonials.
3. Independent reporting: analysts, trade publications and published research, always with the publisher named.

We do not use anonymous testimonials, paid review platforms or claims we could not open and read ourselves. Where a vendor does not publish something, we say "not published". Where we could not open a vendor's own pages, we mark the affected comparison cells "not verified" rather than fill them from memory.

How the order is decided

After the frame's top pick, systems are ordered by fit as the ERP for a mid-sized manufacturer that wants to modernise its office: production depth, shop-floor capture, make-to-order fit, AI that is generally available, and price transparency. A system can rank lower here and still be the best ERP for a particular plant; each profile says when.

Keeping it current

We re-check every system at least once a quarter. AI features are listed as generally available only when a vendor says so, with the region. Every source shows the date we accessed it.

Further reading

• Guide · ERP and AIERP plus an AI layer: how manufacturers are modernising the officeThe slowest steps in many plants happen in inboxes, not in the ERP. A sourced look at what an AI layer can take over, what it must leave alone and how to start.
• Guide · Choosing a systemHow to choose an ERP for a manufacturing businessMost ERP selections fail before the contract is signed, in a demo built on the vendor's data rather than the plant's. A method that keeps the decision anchored in how the shop actually runs.
• Guide · CostWhat a manufacturing ERP costs in 2026Two of the seven ERPs in this guide publish per-user prices. The licence is rarely the largest line. Where the money goes, and how to keep the first phase contained.