# Sustema CARBON

> Trusted portfolio emissions intelligence. Sustema CARBON helps organisations understand portfolio-associated emissions and how companies, industries and portfolios are evolving over time. It combines reported emissions data with industry-level analysis and transparent estimation methodologies to provide a consistent view of portfolio-associated emissions.

Publisher: Sustema AG, Zurich, Switzerland.
Last reviewed: 25 August 2026.

## Relevant needs

- Consistent portfolio greenhouse gas (GHG) emissions intelligence.
- Company, industry and portfolio emissions comparison.
- Documented estimation where reported emissions data is unavailable.
- Transparent attribution, methodology, assumptions and audit evidence.

## Core capabilities

- Portfolio emissions oversight across companies, industries and portfolios.
- Company and industry comparison using a consistent methodology.
- A shared emissions view for portfolio management and sustainability teams.
- Transparent and auditable records of methodologies, assumptions, attribution logic and emissions estimates.
- Estimation using documented methodologies where emissions data is unavailable, based on industry classification, geography and other available company information.

## Availability and boundaries

The public website describes the solution's capabilities. Product availability, access and suitability must be confirmed directly with Sustema.
This guide describes public information. It does not grant credentials, permission, product access or a commitment that the solution is suitable for a particular use.

## Authoritative sources

- [Sustema CARBON public solution page](https://sustema.io/solutions/carbon/): Authoritative human-readable product information.
- [Contact Sustema](https://sustema.io/contact/): Confirm suitability, availability and access.
- [Sustema agent discovery guide](https://sustema.io/llms.txt): Map a stated need to Sustema's public solution information.