Carbon accounting, built for growing businesses

Know your
carbon footprint.
Prove it to the world.

Arenius gives SMEs the tools to measure, manage, and report emissions automatically. From Scope 1 to Scope 3, in hours, not months.

Arenius Carbon Management Dashboard
Platform Capabilities

Everything you need to measure what matters

Built for companies that need reliable carbon data without a dedicated sustainability team.

Automated Emissions Tracking

Connect your data sources once (invoices, energy bills, fleet data) and Arenius calculates your footprint automatically, every month.

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Compliance-Ready Reporting

Generate GHG Protocol, CSRD, and ISO 14064-compliant reports in one click. Audit-ready documentation, every quarter.

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Scope 1, 2 & 3 Coverage

Full value-chain visibility. Track direct emissions, purchased energy, and supply chain activities across all three scopes.

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Carbon Cost Analytics

Understand the financial impact of your emissions. Model carbon tax exposure, offset costs, and reduction ROI in real time.

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How It Works

Up and running in three steps

01

Connect your data

Link your accounting software, utility accounts, and supplier data. Our 200+ integrations handle the heavy lifting, no manual data entry.

02

Arenius calculates

Our engine applies the latest emission factors to your activity data, mapping every transaction to the right GHG category automatically.

03

Report and improve

Share verified reports with customers, investors, and regulators. Use our reduction planner to hit your net-zero targets on schedule.

The Platform

One dashboard.
Total clarity.

Every emission source, cost, and trend in a single view. Designed for clarity, not complexity.

One-click CSRD and GHG Protocol reports
Full audit trail and methodology documentation
Shareable dashboards for ESG stakeholders
AI-powered data ingestion
Arenius — Emission Sources
Why Arenius

Your carbon data in your hands

Serious carbon accounting used to require a team. Arenius puts the same rigour at your fingertips, at a fraction of the cost and time.

The old way
Monthly cost
$1,000+
External consultant or sustainability hire
Time to first report
Weeks
Manual data collection and back-and-forth
With Arenius
Monthly cost
$39
All-inclusive, cancel any time
Time to first report
Hours
Connect data, Arenius does the rest

We had no idea how to start measuring our emissions. Arenius had us reporting within a week, and our largest client renewed because of it.

SM
Sarah Müller
COO, 48 employees
Starting from $39/month

Start measuring.
Start improving.

No sustainability consultant required. Set up in hours, not months.

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Free 14-day trial · No credit card required · Cancel anytime