Oportax

Product

What Oportax does,
in detail.

Four jobs to do: track your imports, get verified emissions data from your suppliers, see your liability in real time, file with HMRC. Here's how each one works.

1

Import tracking

Drop in your customs broker export, ERP feed, or CSV. Oportax parses, deduplicates, and maps each line to a CBAM commodity code. In-scope and out-of-scope are separated automatically. Edits and corrections leave an audit trail.

In the product

  • CDS, broker, and ERP imports out of the box
  • Automatic in-scope flagging by commodity code
  • Line-level liability calculation as data is added
  • Period-aware (annual to 2028, quarterly thereafter)
2

Supplier engagement

Every supplier of in-scope goods needs to provide embedded emissions data. Oportax handles outreach for you — multilingual, with automatic chasing, sent from your domain so it doesn't look like spam.

In the product

  • Multilingual templates auto-translated and reviewed before sending
  • Three send strategies per supplier: Oportax sends, you send, or copy-paste link
  • Domain authentication so replies come back to you
  • Day 7, 14, 21 automated reminders
  • Mark offline responses (phone, WhatsApp) into the same workflow
3

Reporting and insight

Liability updates live as supplier data comes in. Sector breakdowns, supplier exposure, year-on-year trend. Decarbonisation modelling lets you see what switching suppliers would do to your bill.

In the product

  • Quarterly liability dashboard
  • Supplier comparison ranked by emission intensity
  • Decarbonisation modelling: "if I replaced X with Y..."
  • Period-over-period trend
4

HMRC filing

When the period closes, Oportax generates a fully audit-ready return — PDF for review, CSV for HMRC's submission format, plus the full audit trail for Senior Accounting Officer sign-off.

In the product

  • Audit-ready return document
  • SAO sign-off checklist
  • Full revision history for every imported line
  • Direct HMRC API submission (when their API is live)

See it in your account.

Book a 20-minute demo and we'll walk through it with your real import profile.

Book a demo