How to Verify a Supplier: The Reseller's Due Diligence Guide

Finding a supplier is one thing. Knowing whether they're legitimate is another. For resellers, supplier verification is the single most important skill you can develop — it protects your capital, your reputation, and your customers.

This guide walks you through a structured due diligence process so you can source with confidence.

Why Supplier Verification Matters

The reselling market is full of middlemen posing as direct suppliers, counterfeit goods dressed up as authentic stock, and outright scams targeting new resellers. A rigorous verification process filters out the noise and connects you with sources you can build a long-term business on.

Step 1: Request Business Documentation

Any legitimate supplier should be able to provide:

  • Company registration number and country of incorporation
  • VAT number (for EU-based suppliers)
  • Physical business address (verifiable on Google Maps or street view)
  • Named contact person with a verifiable LinkedIn profile

Cross-reference every detail. A supplier who hesitates to share basic business credentials is a red flag.

Step 2: Verify Product Authenticity

For branded goods, authenticity verification is non-negotiable. Before committing to a bulk order:

  • Request a sample unit at your own cost — a genuine supplier will accommodate this
  • Check tags, stitching, hardware, and packaging against known authentic references
  • For luxury items, use a professional authentication service
  • Confirm the supplier can provide proof of purchase or brand authorisation where applicable

Step 3: Check Their Track Record

Search for the supplier's company name alongside terms like "scam", "review", or "complaint" on Google, Reddit, and reseller forums. Look for:

  • Consistent positive feedback from multiple independent sources
  • Transparent return and dispute policies
  • A history of trading — newly registered companies with no track record warrant extra caution

Step 4: Start Small

Never commit your full budget to a new supplier on the first order. Place a small test order, verify the goods on arrival, and only scale once you've confirmed quality and reliability across multiple transactions.

Step 5: Use Secure Payment Methods

Avoid wire transfers to unverified suppliers. Use payment methods that offer buyer protection — credit cards, PayPal Goods & Services, or escrow services for larger orders. This gives you recourse if goods don't arrive or don't match the description.

Ready to Source Verified Suppliers?

At APEX SUPPLIERS, every supplier list we publish has been researched and vetted. Browse our Ralph Lauren supplier collection or explore our full recommended supplier lists to start sourcing with confidence.