For over 20 years we have been the UK's most trusted partner for carbon footprinting. We have leveraged that expertise to build a suite of powerful software and expert-led services that deliver a credible, accurate assessment for businesses of any size.
Whether you are a micro-business taking your first step or a large corporation managing a complex supply chain, we have a path designed for you.
For micro & small businesses (SMEs). Our Sustrax software is designed to grow with you — start with the basics and scale up as your needs evolve. Sustrax Lite (free) is perfect for micro-businesses (1–9 employees), with Sustrax Lite X & XL adding more powerful features for growing SMEs.
Get started free with Sustrax LiteFor large corporates & enterprise. Sustrax MX is our most powerful platform, built for the complexity of large corporate footprints, detailed reporting and supply chain data management — multi-user / multi-site, monthly tracking, full Scope 3 assessment, advanced reporting & dashboards, and a full audit trail for compliance.
Request a Sustrax MX demoFor organisations needing expert guidance. Our world-class consultants will personally manage your entire assessment — ideal when you need a fully defensible, auditable assessment, prefer a dedicated expert to manage the process, or require strategic reduction recommendations alongside your results.
Book a free consultationNo matter which path you choose, you are backed by the same promise of quality and credibility.

Our assessments use industry best-practice standards such as the WRI/WBCSD Greenhouse Gas (GHG) Protocol and ISO 14064-1, underpinned by internationally recognised emissions factor databases. Reports are available in formats suitable for mandatory greenhouse gas reporting across multiple jurisdictions — including SECR in the UK, SEC in the US and CSRD in the EU — and for voluntary reporting needs such as CDP.
Talk to our experts about the right software or service for your organisation — or start free in minutes with Sustrax Lite.