Guides

CBAM, in depth.

Plain-English deep dives into EU and UK CBAM for SME importers. Written by the team that builds the compliance software.

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Our 20-article plan for SME CBAM panic questions. Subscribe via the dashboard to get notified as each ships.

• Authorisation

  Do I actually need to become an Authorised CBAM Declarant?

  Decision tree for SME importers — when the 50-tonne de minimis applies, and when an indirect customs representative is the better route.
• Deadlines

  What happens if I miss a quarterly CBAM certificate deadline?

  Penalty maths, reconciliation windows, and how to recover without losing your ACD authorisation.
• Cost

  Default values vs verified supplier data — which costs more?

  Side-by-side worked example: 5,000 t/yr structural steel from Türkiye, defaults +10% markup vs verifier-signed mill data.
• Sectors

  CBAM for steel importers — the operational handbook

  CN codes in scope, mill data templates, and a quarterly checklist tailored to flat, long and tubular products.
• Sectors

  CBAM for aluminium importers — what changes for unwrought and semi-fab

  Smelter electricity intensity, indirect emissions and how to handle origin-blended billet shipments.
• Sectors

  CBAM for cement importers — clinker, calcined clays and alternative fuels

  Why cement liability scales with clinker factor, and how to capture alternative-fuel adjustments in your ledger.
• Sectors

  CBAM for fertiliser importers — N₂O, urea blends and the ammonia chain

  Direct vs indirect emissions for nitrogen-based fertilisers, plus what counts as a 'producer' for portal sign-off.
• Sectors

  CBAM for hydrogen importers — no de minimis, no tolerance

  Why a single kilogram of imported hydrogen triggers full obligations, and how renewable-origin claims interact with CBAM.
• Sectors

  CBAM for electricity importers — interconnector flows and origin proofs

  When physical flow vs contractual flow matters, and how to evidence renewable-origin claims at the border.
• Deadlines

  UK CBAM 2027 — what's different from EU CBAM

  Sector scope, HMRC reporting, threshold comparisons, and how to run a single supplier portal that satisfies both regimes.
• Authorisation

  Indirect customs representative or direct ACD authorisation — which is right for me?

  Cost, control and audit-trail implications when your customs broker offers to be your indirect representative.
• Authorisation

  What the NCA asks for under 'financial capacity' — and how to pass first time

  Accounts depth, ratio thresholds, and the bank guarantee shortcut available for newly incorporated EU entities.
• Suppliers

  Supplier emissions templates — what the NCA actually accepts

  Field-by-field walkthrough of the EU CBAM supplier template, plus the verifier statement format.
• Suppliers

  How to check a verifier's accreditation in 60 seconds

  Use the EU register without getting lost. What to do when a supplier sends data verified by an unrecognised body.
• Cost

  Drafting a CBAM cost pass-through clause for your supply contracts

  Sample clause language, fallback default-value triggers, and how to negotiate without losing the supplier.
• Operations

  5-year retention — exactly what records you must keep, and where

  Customs filings, supplier statements, verifier reports, ledger snapshots, certificate purchase records — broken down by document type.
• Operations

  What the NCA actually checks during a CBAM audit

  From the first email to the closing letter — typical timeline, evidence requested, and the three findings that recur most.
• Cost

  Budgeting for CBAM in 2026 — a template SMEs can actually use

  Inputs you need (HS code, origin, tonnage, ETS price band), plus a sensitivity table for default vs verified scenarios.
• Operations

  Working with your customs broker on CBAM — a clean handover

  Which fields they own, which fields you own, and how to keep your ACD authorisation safe when the broker changes.