UK CBAM is due to apply from 1 January 2027 to specified imported goods. For a Turkish manufacturer, the immediate investment issue is often commercial: what information will UK customers require, who bears the resulting cost and how will the factory prove its emissions position? Review those questions before valuing an export business or committing to a new production line.
Map products and the importer
HMRC identifies aluminium, cement, fertiliser, hydrogen, and iron and steel as relevant sectors, but sector labels are only a starting point. Match actual products to the applicable commodity codes and establish the UK importer for each route to market. Do not assume every product containing metal is covered. Separate the importer’s statutory position from the Turkish producer’s contractual duties to provide data, support verification or compensate a customer.

Use the enacted rules, not an old consultation
The Emissions and Verification Regulations 2026 were made in September and commence on 1 January 2027. The administrative regulations have also been made. Maintain a dated register of the legislation, HMRC guidance and notices used for the compliance model. A draft circulated earlier in the year may no longer reflect the operative approach. Assign responsibility for checking updates before the first affected shipment and when contracts are renewed.

Build evidence at factory level
Identify the production installation, relevant process data and records supporting the customer’s calculation. Agree who collects, checks and retains information, and how changes in inputs or production methods are recorded. A corporate sustainability report may not contain the product-level evidence required for CBAM. During acquisition diligence, ask for a worked example linking a shipment to supporting manufacturing records; missing data should become a costed remediation item.

Negotiate workable customer obligations
Set out data formats, delivery dates, verification access and confidentiality protections. A producer should understand any promise to reimburse tax, penalties or the effect of inaccurate information before accepting it. Distinguish a failure to supply agreed data from a change in law or a customer’s filing error. Align liability with the party controlling the relevant risk and specify a process for correcting estimates when better evidence becomes available.

Reflect readiness in the investment case
Model the cost of metering, verification, staff and contract changes alongside any expected carbon-related commercial pressure. For an acquisition, ask whether historic customer assurances exceed what the plant can support. Use a specific action plan with owners and deadlines rather than a generic compliance warranty. For expansion, include data architecture in equipment procurement so the new line can generate the evidence required by its intended markets.

Investor checklist
- Commodity-code and UK importer mapping.
- Current legislation and guidance register.
- Shipment-to-production evidence trail.
- Customer data, cost and liability clauses.
- Budgeted implementation plan before affected imports.
For transaction-specific support, see our trade and customs services and commercial contract services.
Continue with: EU CBAM and Turkish Factory Acquisitions: Carbon Costs in Due Diligence and Contracts; COP31 and Green Investment in Turkey: Turning Announcements into Investable Projects.
Frequently asked questions
Does UK CBAM start in 2026?
The implementation date identified by HMRC and the cited regulations is 1 January 2027.
Are UK and EU CBAM interchangeable?
No. They have separate legal frameworks and compliance processes.
Is a general ESG report sufficient?
Not necessarily. Test the records against the actual product and emissions requirements.
