What Is Automotive Sorting in Mexico? A Buyer’s Guide

When your customer finds — or suspects — defective material, no sampling plan will save the lot: someone has to inspect 100% of it, piece by piece. In Mexico, that someone is a sorting company (empresa sorteadora).

What sorting companies in Mexico do

A sorting company is an independent third-party quality provider specialized in sorting (sorteo): total inspection of a lot to separate conforming, suspect and non-conforming parts before they reach the next operation or the end customer.

The key word is third-party. Automotive OEMs and Tier 1 suppliers usually require sorting to be performed by an independent, certified company with no conflict of interest with the material supplier. That is the role of sorting companies in Mexico.

Typical scope of a quality sorting partner

• 100% sorting: piece-by-piece inspection, on-line or off-line.
• Visual and dimensional inspection: appearance, tolerances, functionality, with calibrated instruments.
• Emergency containment CSL1 / CSL2 and GP-12 / Safe Launch: immediate filters to stop a quality escape.
• Rework: recovery of non-conforming product to OEM specification.
• Resident engineers: permanent representation at your customer’s plant.

When you need one

• Your customer issued a complaint or quality claim.
• You were placed under CSL1, CSL2 or GP-12 / Safe Launch containment.
• A production launch needs protection.
• The process ran out of control and the lot is suspect.
• You changed raw-material or component supplier.

How to choose the right provider

• Active ISO 9001:2015 certification — non-negotiable in automotive.
• ELSSA, Avetta and DUNS registrations — large OEMs require them to approve you as a vendor.
• Response in hours, not days — a quality escape cannot wait. Quality BOLCA confirms scope within 2 business hours.
• Evidence and traceability — every part counted, every defect photographed, every lot reported with metrics (PPM).
• Coverage where you need it — your plant, your customer’s and your supplier’s, across Mexico plus Texas.

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Do you have a suspect lot or an active containment? Request a quote — we respond within 2 business hours.