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•CPQ

Commerce with CPQ & product configuration

When the product is a rule set, not a static SKU

CPQ in ecommerce is a rules and BOM engine that validates configurations live, reprices from commodities or ERP, and outputs quotes or manufacturing data—typically Next.js + NestJS + ERP.

Industrial machinery, made-to-order furniture or specialised vehicles need a rules engine: what can be combined, how weight and lead time evolve, and how price is built from BOM and live commodity costs. The UI (often Next.js) guides the user; NestJS holds rules, configuration versioning and ERP integration. After confirmation we generate quotes, specs or production outputs aligned with your toolchain.
Get in touch with us>See process

CPQ

From user clicks to factory-ready specs

The UI collects choices; the truth lives in domain models and integrations — not only in the cart.

BOM as source of truth

Each combination maps to materials and operations — version controlled.

Validation in milliseconds

Users do not discover errors at payment — rules run continuously.

Costs & margin

Tie-in to live commodity tables or ERP — with an audit trail.

Manufacturing outputs

Automated data packages for MES / files — fewer manual re-entries.

Spec→Build→Ship

Cooperation process

How does our cooperation look like?

A transparent process that leads from idea to finished product

  1. 01

    Configuration model

    Attributes, dependencies, BOM and pricing sources. Workshops with product and manufacturing.

  2. 02

    Validation engine

    Rules implemented in code with tests — not hidden client-side scripts.

  3. 03

    Pricing & versions

    Configuration snapshots, change history, re-pricing when costs move.

  4. 04

    Checkout & documents

    Quotes, orders, exports to production or CAD/CAM as your process requires.

  5. 05

    Launch & maintenance

    Monitoring configuration errors, extending rules without regressions.

Key benefits

Why choose us?

Business outcomes first—technology is the means, not the end in itself.

01

Rules on the backend

Consistent validation on web, B2B and API.

02

BOM & variants

BOM trees and dependencies between modules.

03

Live pricing

Recalculation when commodities or FX change.

04

Production outputs

Bundles for the shop floor or subcontractors.

Questions about this system type

How is CPQ different from a simple web configurator?
CPQ ties rule validation, BOM, pricing and configuration versioning to the backend—one source of truth for web, B2B and APIs, not only the browser.
Can pricing follow live commodity or material costs?
Yes—we design repricing services with change audit and ERP or cost-table integration so quotes reflect the current BOM.
Do you generate CAD or manufacturing outputs?
Yes where the process requires it—data bundles, specs or integrations into your MES/CAM toolchain with controlled versioning.

Content last updated: March 18, 2026

Technologies

What technologies do we use?

Modern tools and proven solutions for the best results

01
Next.js
Frontend
02
MedusaJS
Commerce core
03
NestJS
Backend
04
TypeScript
Language
05
PostgreSQL
Database
06
REST / events
Integracje

Related

Backend & APIs

Service layer for heavy logic and integrations.

>
Client testimonials

They trusted us and see results.

EMKA S.A.

Sławomir Rdest

Board Advisor, EMKA S.A.

“As long-term clients of GMI Software, we had the pleasure of working with them for several years. GMI Software stood out during the tender process with a refreshing, positive approach and the professionalism of the CEO and team.”
More case studies:Case studies
Service scope

What does the service include?

Below is an example scope of work that we adjust to the stage and goals of the project.

01Step-by-step configuration with live impact (weight, price, lead time)
02Incompatibility rules and required bundles
03ERP / PLM integration and material masters
04Versioned quotes and orders
05Next.js storefront + NestJS APIs
06CAD/CAM integration paths where process demands it

Next step

Ready to start?

Schedule a free consultation and learn how we can help with your project. After our DDT process (Discovery, Design & Technology), we offer a price guarantee and a fixed-price agreement.

Schedule consultation>Start brief assistant
Contact

Let's talk
about the project.

Have an app idea or need technological support? Write to us — we'll prepare a preliminary analysis and estimate within 48h. Projects that go through our DDT process (Discovery, Design & Technology) come with a price guarantee and a fixed-price agreement — a key differentiator for us.

Write to us[email protected]
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