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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.

Carbon Management Dashboard

Northwind Foods · Welcome, Alex

Last 12 Months
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Gross Emissions

Reconcile 6 items
84.5 tn 31% vs last period

Total emissions (TON) for Last 12 Months

Scope 1 Scope 2 Scope 3

Emission Sources

Last 12 Months

Emission level: Scope 1 Scope 2 Scope 3

Progress Towards Net-Zero Goal

68%

Current progress

The company's net-zero goal is 68% achieved, with 32% remaining toward the 2030 target, on track at the current pace.

Net Emissions

Show Net Emissions
Carbon Emitted Offset Emissions Net Emissions

Scope Breakdown

Total emissions (TON) for Last 12 Months

Cost of Carbon

Show Cost Trends
Offset Expenses Carbon Taxes (coming soon) Shadow Pricing (coming soon)
This is the real dashboard. Hover a bar, tap a scope, flip a toggle
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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 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
Free
Paid plans from $39/mo, cancel any time
Time to first report
Hours
Connect data, Arenius does the rest
Pricing

Simple pricing that grows with you

Start free, upgrade when you're ready. Every plan is all-inclusive with no hidden fees, and you can cancel any time.

Starter
For getting started with your first carbon footprint.
Free
Free forever · no card required
  • 1 user
  • Up to 50 transactions/month
  • 15 contacts
  • 1 integration (e.g. Xero sync), plus CSV & manual imports
  • Scope 1 & 2 tracking
  • 30 built-in emission factors
  • Dashboard & basic reports
Get started free
Standard
For teams ready to measure and report across all scopes.
$15+GSTper month
for the first 3 months
Then $39+GST per month
  • Everything in Starter
  • 2 users + free read-only auditor/accountant seat
  • Unlimited transactions & contacts
  • Full Scope 1, 2 & 3 tracking
  • Add & manage custom emission factors
  • PDF export & scheduled reports
  • Supplier report tracking
  • Reduction targets & tracking
Get started
Enterprise
For multi-entity organisations with advanced needs.
Custom
Tailored to your organisation
  • Everything in Pro
  • Unlimited users + multi-entity consolidation
  • Multi-currency support
  • SSO / SAML
  • API access
  • Guided onboarding & data migration
  • Audit & assurance ready exports
  • Dedicated account manager + SLA
Contact sales

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.

Thanks! We'll be in touch soon.

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