What UKCA marking is
UKCA — UK Conformity Assessed — is Great Britain's own product marking, introduced after Brexit as the domestic replacement for CE marking. Applying it is a manufacturer's declaration that a product meets the relevant UK product safety, performance and (where applicable) health requirements, and that the manufacturer holds the technical documentation to prove it. It sits alongside, rather than replaces overnight, the CE marking system that continues to apply in the EU and, for most goods, in Northern Ireland.
UKCA applies only to the Great Britain market — England, Scotland and Wales. It has no legal status in Northern Ireland, where the Windsor Framework keeps EU product rules, and CE marking, in place for most goods.
Which products need it
UKCA marking covers broadly the same range of product categories that previously required CE marking under UK law, including:
- Machinery, and equipment for use in potentially explosive atmospheres
- Electrical and electronic equipment, including radio equipment
- Toys
- Personal protective equipment (PPE)
- Construction products
- Gas appliances and pressure equipment
- Measuring and weighing instruments
- Medical devices and in vitro diagnostic medical devices (a special case — see below)
Cosmetics, food supplements and general consumer products without a dedicated product-safety directive don't carry a UKCA mark at all — cosmetics and food follow their own labelling regimes instead, and general products fall under the UK's general product safety framework rather than a conformity-marking scheme. If you're not sure whether your product category is in scope, our guide to who needs a UK Responsible Person breaks this down by product type.
UKCA vs CE: what's actually different
For most product categories, the technical requirements behind UKCA marking mirror the equivalent EU rules closely, because UK law was built from retained EU legislation at the point of Brexit. The practical differences are mostly procedural rather than technical:
| CE marking | UKCA marking | |
|---|---|---|
| Market covered | EU + Northern Ireland | Great Britain only |
| Conformity assessment body | EU-notified body | UK-approved body |
| Legal basis | EU product safety directives/regulations | Retained UK law (same technical requirements in most cases) |
| Authorised/Responsible representative | EU-based, where required | UK-based, where required |
The main practical consequence: if a UK-approved body carried out your conformity assessment, that certificate generally isn't automatically valid for the EU market, and vice versa. Manufacturers selling into both markets typically end up maintaining two parallel sets of documentation and, where required, two separate representatives — we cover this in detail in UK vs EU Responsible Person.
The current deadlines (2026)
These dates have moved before — check before you rely on them
The UK government has repeatedly extended CE-marking acceptance since UKCA was introduced. Treat the dates below as the current position as of August 2026, and confirm against gov.uk's UKCA guidance before making irreversible packaging or labelling decisions.
In practice, this means very few manufacturers are under immediate pressure to drop CE marking and switch to UKCA-only. What it doesn't do is remove the underlying UK regulatory duties — MHRA registration for medical devices, a UK Responsible Person where one is required, and accurate UK-facing labelling still apply regardless of which conformity mark is on the product.
How UKCA marking actually gets applied
The process depends on whether your product category allows self-certification or requires third-party conformity assessment:
- Self-certification categories — the manufacturer assesses conformity against the applicable UK requirements, compiles a technical file, and applies the mark directly. No external body is involved unless you choose to use one for extra assurance.
- Third-party assessment categories — for higher-risk products (most medical devices, some machinery, PPE and gas appliances), conformity must be assessed and certified by a body approved by the UK's Office for Product Safety and Standards, not by an EU notified body.
Either way, a UK-based Responsible Person or Authorised Representative is often required to hold technical documentation and act as the manufacturer's point of contact for UK market surveillance authorities — this is a separate legal role from the UKCA mark itself, and is where our services come in for medical devices and cosmetics.
Northern Ireland: the exception
Because Northern Ireland continues to align with EU product rules under the Windsor Framework, UKCA marking generally has no legal effect there. Products placed on the Northern Ireland market instead need CE marking (and, in specific cases involving UK-only conformity assessment, the UKNI marking used alongside CE). If Northern Ireland is part of your target market, plan your labelling around CE rather than UKCA for that portion of your supply chain.