Quoting software for manufacturers: from spreadsheet to system

What a manufacturing cost build-up actually needs

A proper quote is a cost estimate built from real inputs, not a number picked because it feels roughly right. That means pulling from the same routing and bill of materials data your production planning already uses, so the quoted cost and the actual production cost are calculated the same way.

• Material cost - current supplier prices, not a price list from last quarter.
• Routing time - machine and labour time per operation, taken from the actual routing rather than a rule of thumb.
• Overhead allocation - a consistent method for spreading fixed costs across jobs.
• Waste and yield - scrap rates that reflect what actually happens on that process, not a flat assumption applied to everything.

This is the same routing and bill of materials data covered in our overview of manufacturing software types - quoting is rarely a standalone problem, it's a front end onto data your ERP or MRP system already holds, or should.

Why material price volatility breaks static spreadsheets

A spreadsheet quote is accurate on the day it's built and stale a month later if it isn't reviewed. When metal, resin or timber prices move sharply, a quote issued in good faith can turn into a loss-making order if it sits in a customer's inbox for six weeks before acceptance.

Margin rules and where they usually go wrong

Margin isn't always a flat percentage. Many manufacturers apply different margins by customer tier, order volume, or how much spare capacity exists that week - and often those rules exist only as informal knowledge held by whoever is trusted to quote big accounts.

A quoting system is only as good as the margin logic built into it. If your rules have exceptions ('unless it's for this customer' or 'unless the machine would otherwise sit idle'), write them down before configuring any system, or the software will quietly enforce the wrong one.

Handling revisions without losing the audit trail

Quotes get revised - a customer asks for a different spec, a quantity changes, a material substitution is proposed. Good quoting software keeps every revision linked to the original, with the reason for the change visible, rather than overwriting the number and losing the history.

1. 01Keep the original quote and every revision as separate, linked records.
2. 02Record who changed what and why, not just the new total.
3. 03Show margin at each revision, not just the final price - margin creep across revisions is where quotes quietly stop being profitable.

Quote-to-order handover

The point of a quoting system is wasted if a won quote still has to be re-typed into the ERP as a works order. That re-keying step is where costs, quantities and specifications most often drift from what was actually agreed with the customer.

A won quote should carry its routing, materials and pricing straight into production planning, ideally through direct integration with your ERP rather than an export-import step someone has to remember to run. See our guide to API integration for what that connection typically involves.

For manufacturers with fairly standard products and routings, an off-the-shelf quoting module inside your ERP is often enough. Where quoting logic gets genuinely complex - configurable products, unusual margin rules, or a routing engine your ERP doesn't model well - that's where bespoke quoting tools within our manufacturing software work tend to earn their cost. Get in touch if you want a straight answer on which side of that line you sit.