Starter
For teams beginning their carbon journey.
Free forever
- Up to 5 users
- Scope 1 & 2 tracking
- Basic reporting
- Email support
GreenOS · Flagship product
Measure emissions with confidence
GreenOS gives sustainability teams a controlled environment for carbon accounting, ESG reporting, and compliance, built for enterprise scale and external assurance.
Product overview
A single source of truth for sustainability data
GreenOS consolidates activity data, emission factors, calculations, and reporting into one controlled model, so every disclosure is consistent, traceable, and audit-ready.
- Scope 1, 2, and 3 emissions in a unified data model
- Framework-aligned reporting from one data set
- Audit trail and evidence collection for assurance
- Multi-entity roll-ups for complex organisations
greenos.complyraone.com/app/dashboard
Carbon footprint
TechPeak Lab LTD · 2026 · Illustrative sample data
Total emissions
12,847tCO₂e
All scopes
Scope 1
3,421tCO₂e
27% of total
Scope 2
5,892tCO₂e
46% of total
Scope 3
3,534tCO₂e
28% of total
Emissions by category
2026| Category | Scope | tCO₂e | Share |
|---|---|---|---|
| Purchased electricity | Scope 2 | 5,892 | 46% |
| Stationary combustion | Scope 1 | 2,100 | 16% |
| Purchased goods and services | Scope 3 | 1,500 | 12% |
| Mobile combustion | Scope 1 | 1,321 | 10% |
| Business travel | Scope 3 | 1,134 | 9% |
| Waste | Scope 3 | 600 | 5% |
| Water supply | Scope 3 | 300 | 2% |
Framework readiness
Overall 75%- GHG Protocol92%
- UK SECR85%
- CSRD / ESRS E168%
- TCFD55%
3 open compliance alerts
Facilities
Top 5 of 8- Manchester HQ4,200 tCO₂e
- Leeds Distribution Centre3,100 tCO₂e
- Riverside Industrial Park2,600 tCO₂e
- Harbour View Offices1,500 tCO₂e
- Birmingham Warehouse900 tCO₂e
Evidence and data quality
- Data quality score85%
- Documents ingested24
- Documents verified18
- Documents failed2
- Flagged: missing factor2
Recommendations
Review electricity procurement
Purchased electricity is 46% of the total (5,892 tCO₂e, Scope 2). Review the tariff and operating schedules at the largest sites.
highScope 2
Check stationary combustion records
Stationary combustion is 2,100 tCO₂e. Two meter readings have no emission factor yet.
mediumScope 1
Upload evidence for open documents
Six of 24 documents are not verified. Verified records support audit.
mediumEvidence
Capabilities
Every part of the sustainability workflow
GreenOS covers the full path from data collection to audit-ready reporting.
Carbon Accounting
A structured data model for Scope 1, 2, and 3 emissions. Collect activity data, apply emission factors, and calculate results with consistent controls and full traceability.
Reporting
Generate framework-aligned ESG reports from a single source of truth. Reduce duplicate effort across CSRD, UK SECR, TCFD, and other disclosure requirements.
Compliance
Map your data to multiple compliance frameworks. Track readiness, identify gaps, and maintain consistent disclosures across reporting cycles.
Analytics
Dashboards designed for sustainability and finance teams. Track performance against targets, identify hotspots, and surface reduction opportunities.
Audit Logs
Every value is traceable to its source. A full change history supports internal review, external assurance, and regulatory scrutiny.
Integrations
An API-first architecture connects GreenOS to ERP, finance, energy management, and HR systems for reliable, repeatable data flows.
Pricing
Simple, transparent pricing
Choose the plan that fits your team. Switch between monthly and annual billing anytime.
Growth
For SMEs and growing teams.
£99/mo
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- Up to 10 users
- Full Scope 1-3
- Compliance automation
- AI insights
- Email & chat support
Professional
For dedicated sustainability teams.
£199/mo
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- Up to 50 users
- Full Scope 1-3
- Compliance automation
- AI insights & forecasting
- Supplier portal
- PCF module
- Google & Microsoft SSO
- API access
- Priority support
Enterprise
For large organisations.
Custom
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- Unlimited users
- Custom integrations
- SAML 2.0 SSO (on the roadmap)
- Dedicated support
- SLA guarantee
FAQ
Frequently asked questions
Common questions about GreenOS from sustainability and compliance teams.
See GreenOS for your organisation
Book a demo to see how GreenOS fits your reporting requirements and compliance landscape.