How to Choose a Number Plate Maker in the UK

There are a lot of number plate sellers online, and on the surface they can look nearly identical — similar prices, similar product photos, similar promises of fast delivery. The differences that actually matter are less visible: whether a supplier is properly registered, whether their plates meet the legal standard, and whether they’ll ask you the right questions before taking your money.

Here’s what to actually check before you order.

Check they’re DVLA registered

This is the single most important thing to verify, and it’s non-negotiable. Legally, number plates can only be supplied by businesses registered with the DVLA under the Register of Number Plate Suppliers (RNPS) scheme. A registered supplier is required to verify your entitlement to the registration before manufacturing your plates — this is exactly the check covered in our guide to the documents you need.

If a seller doesn’t ask you for any proof of entitlement — a V5C, V778, or new keeper supplement — before taking your order, that’s a serious red flag. A properly registered supplier has to ask; one that doesn’t isn’t operating within the law, whatever else looks legitimate about their site.

Confirm the plates are made to BS AU 145e

BS AU 145e is the British Standard that all UK number plates have had to meet since 1 September 2021. It covers the materials, reflectivity, font, and markings a legal plate must have. A trustworthy supplier will state clearly that their plates meet this standard — it should be easy to find on their site, not buried or vague. If a seller is cagey about whether their plates are BS AU 145e certified, or the only mention is generic marketing language rather than a clear statement, that’s worth pausing over.

Look for the supplier’s name and postcode on the plate itself

By law, every compliant number plate has to display the manufacturing supplier’s name and postcode, along with the BS AU 145e marking. This isn’t just a legal requirement for the plate — it’s also a useful trust signal for you as a buyer. A legitimate supplier expects their details to be on every plate they make; there’s nothing to hide.

Check what happens if something’s wrong with your order

Before ordering, it’s worth knowing: what if the plate arrives damaged, or the registration is wrong? A trustworthy supplier will have clear, easy-to-find information about returns, replacements, and how to contact them if there’s a problem — not just a checkout page with no visible support information.

Online vs high street: what actually differs

The core legal requirements — DVLA registration, BS AU 145e compliance, proof-of-entitlement checks — apply equally whether you’re buying online or from a high street retailer. What genuinely differs is convenience and speed: a good online number plate maker lets you design, preview, and order your exact plate in a couple of minutes, with delivery to your door, whereas a high street purchase means visiting in person during opening hours. Neither route is inherently more or less legal — the compliance checklist above is what actually matters, wherever you buy.

Red flags worth taking seriously

A few signals are worth treating as genuine warning signs rather than minor quirks:

• No mention of DVLA registration anywhere on the site
• No request for proof of entitlement before or during checkout
• Vague or missing information about BS AU 145e compliance
• Prices that seem unusually low with no explanation of how — as covered in our replacement plate cost guide, a compliant plate can genuinely be cheap, but a supplier skipping the legal checks to undercut everyone else is a different problem entirely
• No clear contact details or support information

None of these alone is proof of a problem, but more than one together is a strong reason to look elsewhere.

Frequently asked questions

How do I know if a number plate supplier is DVLA registered?
A legitimate supplier will state this clearly on their site, and — more importantly — will always ask you for proof of entitlement (V5C, V778, or new keeper supplement) before making your plates. If they don’t ask, they’re not operating as a registered supplier should.

Is it safer to buy number plates on the high street than online?
Not inherently. The same legal requirements — DVLA registration, BS AU 145e compliance, entitlement checks — apply to any UK supplier, online or in person. Checking those requirements matters more than the sales channel.

Why does the supplier’s name need to be on my plate?
It’s a legal requirement for every compliant UK number plate, and it’s also a trust signal — a legitimate supplier has nothing to hide about who made your plate.

Can a cheap number plate still be legitimate?
Yes. Manufacturing a compliant plate isn’t expensive, so low price alone isn’t a red flag. The concern is a low price combined with no entitlement checks or unclear compliance information.

Order from a fully compliant, DVLA-registered supplier

CarPlatesPro is DVLA registered, and every plate is manufactured to BS AU 145e as standard. Design yours with the Car Plates Pro Number Plate Builder in under two minutes, with prices from £6.99.

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