Carbon is moving from a reporting exercise to a commercial reality.
Carbon Border Adjustment Mechanisms (CBAM) are changing the way emissions are accounted for in international trade. For many UK organisations, particularly those involved in manufacturing, construction and complex supply chains, carbon is becoming increasingly connected to cost, compliance and competitiveness.
The EU's CBAM has now entered its definitive phase, while the UK's own CBAM is due to come into effect from 1 January 2027.
For businesses that import, export or rely on carbon-intensive materials, now is the time to understand what this means for you.
The Carbon Border Adjustment Mechanism is designed to put a carbon cost on certain imported goods, helping to create a more level playing field between products made domestically and those imported from countries with different carbon pricing arrangements.
The wider objective is to prevent carbon leakage, where production moves to countries with lower carbon costs or less stringent climate policies.
In simple terms, CBAM is designed to make the carbon associated with certain imported products more visible and, increasingly, more financially relevant.
There are currently two separate mechanisms that UK businesses need to understand:
Under the EU system, EU importers of in-scope goods must account for the embedded emissions associated with those products and, where applicable, purchase CBAM certificates.
The UK system will introduce a similar carbon cost for certain goods imported into the UK, with the price linked to the UK Emissions Trading Scheme (UK ETS).
For UK businesses, the important point is that CBAM is no longer something to watch from a distance. It is becoming part of the commercial environment in which many organisations operate.
CBAM currently focuses on carbon-intensive sectors, including:
However, exposure isn't determined simply by the industry you operate in.
It depends on the products you import or export, their commodity codes, where they come from and the emissions embedded within them.
You may therefore need to understand CBAM if your organisation:
This is one reason why CBAM exposure can be easy to overlook.
From 2027, businesses importing qualifying goods into the UK may have obligations around:
For affected businesses, this means carbon data can become directly connected to the cost of imported goods.
UK businesses exporting in-scope goods to the EU are not themselves the party responsible for the EU CBAM obligation. That responsibility sits with the relevant EU importer.
However, this does not mean UK exporters can ignore CBAM.
EU customers may need detailed emissions information from their UK suppliers to meet their own reporting requirements. This means UK businesses may increasingly find that providing credible product-level emissions data becomes a commercial requirement.
In other words, even where CBAM doesn't create a direct legal obligation for the UK supplier, it can still affect the supplier relationship.
CBAM is more than another environmental reporting requirement.
It represents a shift towards carbon becoming part of everyday commercial decision-making:
For businesses without reliable emissions data, the challenge is not simply calculating a footprint.
It is understanding where the emissions sit, how reliable the data is and what those emissions could mean commercially.
This is where Scope 3 emissions become particularly important.
The legislation may be complex, but for many organisations the biggest practical challenge will be obtaining good-quality data.
Businesses may currently rely on:
CBAM brings these limitations into sharper focus.
The more accurate and specific your emissions data becomes, the better positioned you are to understand your exposure, respond to customer requests and make informed decisions about procurement and supply chains.
You don't need to have everything figured out immediately.
A sensible starting point is to:
1. Identify your exposure
Review imports into the UK and exports into the EU and identify any potentially in-scope products.
2. Understand your supply chain emissions
Look beyond your own operations and identify where significant Scope 3 emissions arise.
3. Engage your suppliers
Start asking for better emissions data, particularly for carbon-intensive materials and products.
4. Understand the financial implications
Consider how future carbon costs could affect purchasing, margins and supply chain decisions.
5. Improve your data
Move towards more accurate, product-specific emissions information where it is material and useful.
6. Build a proportionate plan
CBAM should sit alongside your wider carbon management activities, including SECR, carbon reduction plans, Scope 3 reporting and procurement strategies.
CBAM is part of a much wider change in the way businesses think about carbon.
The direction of travel is clear: greater scrutiny of supply chain emissions, greater demand for product-level carbon information and closer links between carbon performance and commercial decision-making.
For businesses that get ahead of this, the opportunity isn't simply to become compliant.
Better carbon data can help you understand your supply chain, have more meaningful conversations with suppliers, respond to customer requirements and identify opportunities to reduce emissions and future exposure to carbon costs.
CBAM doesn't change who is responsible for emissions. It changes how visible and financially relevant those emissions become.
The first step isn't necessarily to start calculating everything.
It's to understand where you stand today.
That's why Carbon Sense has partnered with notch, combining our carbon expertise with notch's digital carbon management platform to help businesses better understand, manage and improve their carbon data.
As part of our partnership, we've made a free CBAM Readiness Assessment available to help businesses quickly identify their potential exposure and understand where they may need to prepare.
It takes just 2–3 minutes to complete.
You don't need to have all your emissions data to hand, and you don't need to be a CBAM expert. The assessment is simply a quick way to establish your starting point.
Take the free CBAM Readiness Assessment and see where you stand.
It takes 2–3 minutes and could highlight areas of your supply chain that need attention before CBAM becomes a financial reality.
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