The Label Supplier Switching Checklist: What to Have Ready Before You Change Vendors

Switching label suppliers is a small project that buyers keep treating like a big one. The work on your side fits on a single page — and honestly, most of it fits in a single padded envelope.

Don’t let an incomplete spec sheet stop you from starting. The checklist below is the complete version — nice to have, not need to have. Tick off what you can, and let the sample cover the rest.

What to Gather Before You Ask for a Quote

These are the concrete, checkable items worth pulling together. None of them require your current supplier’s help, and you can stop as soon as the sample and a rough volume number are in hand.

• A physical sample — a short length of roll beats a single loose label, because the roll reveals core size, unwind direction, and liner.
• Artwork files if you have them — print-ready vector (.ai or PDF) is ideal, but a clean printed sample works too.
• Your spec sheet if one exists — size, material, adhesive, finish. No spec sheet? That's exactly what the sample is for.
• Pantone (PMS) numbers for your brand colors, if you know them.
• Core size (commonly 3") — only if your labels are machine-applied.
• Maximum roll diameter your applicator or printer accepts.
• Unwind direction — which edge of the label comes off the roll first.
• Annual usage per SKU, even a rough number.
• Typical order quantity and how often you reorder.
• Barcode types and any retailer routing guides (GS1-128, UPC, SSCC).

That’s the whole list. If you’re hand-applying labels, skip the core, diameter, and unwind items entirely. If you never touch a retailer, ignore the barcode line. The rest takes about ten minutes to assemble.

Why You Need Less Than You Think

Buyers often stall because they assume they have to hand over a pile of technical files. You don’t.

You do not need your original dies or plates. Dies are cutting tools matched to shapes, and an established manufacturer’s die library covers thousands of common shapes and sizes — meaning most switches carry no tooling wait and often no tooling charge. Plates get made fresh from artwork every time, so there’s nothing to transfer.

A couple of items deserve a note. On color, spot-color matching is what keeps your label looking identical on the shelf after the switch — make sure any supplier you’re evaluating matches PMS colors rather than approximating with CMYK. On volume, your annual numbers do two jobs: they get you accurate pricing, and they point to the right print process. High-volume runs belong on flexographic presses; very short runs may be better on digital.

What to Ask the New Supplier

The checklist covers what you bring. This part covers what they owe you. Before committing, run through the seven questions that separate a label partner from a label vendor — in-house manufacturing, real lead times, barcode verification, material range, stored tooling, proof process, and industry experience.

Two more matter specifically when you’re switching:

"What does your proof process look like?"

Nothing should print until you’ve approved a proof. A proof is your sign-off on artwork, color, size, and layout before a press runs — it’s the single best protection against an expensive surprise. Ask to see exactly how and when you’ll review and approve one.

"Who will I actually talk to?"

One point of contact who knows your account beats a ticket queue every time, and it matters most during a transition when small questions come up daily. At Certified Labeling Solutions, every account gets one dedicated point of contact rather than a rotating support line.

Do I need ANSI/ISO barcode verification?

If you ship to major retailers, yes. ANSI/ISO barcode verification grades each barcode against a pass/fail standard before the labels leave the plant, so a scan failure at a distribution center never becomes a chargeback on your account. Confirm the supplier verifies barcodes on the actual run, not just the artwork.

What about industry-specific compliance?

Match the material and process to your industry: FDA-compliant materials for food contact, GMP requirements for supplements, DSCSA serialization for pharma, GHS labeling for chemicals. Tell the supplier your industry up front so the right materials and verification are quoted from the start.

Timing the Switch So There’s No Gap

This is the part buyers worry about most, and it’s the simplest to solve. The trick is overlap, not handoff.

1. Don’t stop ordering from your current supplier. Keep your normal reorder cadence while the new supplier quotes, matches, and proofs your label.
2. Get the committed lead time in writing. For reference, standard flexographic production at CLS runs about two weeks from artwork approval, with rush available.
3. Place your first order so it arrives while you still have inventory. You switch the day the new labels are on your dock and approved — not a moment before.
4. Confirm your specs are kept on file. Dies, artwork, and materials should live with the new supplier so every reorder is identical and faster.

Done this way, the “risky” part of switching quietly disappears: at no point are you without labels, and at no point has anything printed that you haven’t approved.

The Short Version

Send your current label to the new supplier. Everything else on this list is either readable from that sample or a question the supplier should answer — not homework for you. The full process, from first contact to first shipment, is laid out step-by-step in our guide to switching label suppliers. And if you’re still deciding whether it’s even time, check the seven warning signs.

Want to see what your labels would cost from us? Call (908) 495-6235 or send us your specs — we respond within one business day. Manufacturing in Hillsborough, NJ since 1986; fast delivery across NJ, NY, and PA; shipping nationwide.