Emitwise Alternatives in 2026: What to Use Now Emitwise Is No Longer Sold
Emitwise is no longer sold as a standalone product: Green Project Technologies acquired its platform in July 2025. The best Emitwise alternatives are Ella for guided carbon accounting with data collection done for you, Green Project for supplier decarbonisation, and Watershed, Persefoni or Greenly depending on your size and sector.
Last updated 2 November 2026 · By Tom Wilford, Founder, Ella
Get startedWhat happened to Emitwise?
The best Emitwise alternatives at a glance
| Platform | Best for | Data collection | Frameworks | Trial |
|---|---|---|---|---|
| Ella | Sustainability teams at large and fast-growing companies that want the data work done for them | Collect links, automatic chasing, missing-response tracking, drag-and-drop bills and spend exports, integrations | Scopes 1 to 3, SECR, CDP, CSRD, VSME, EcoVadis, net zero plans | 14-day trial per module on your own data |
| Green Project Technologies | Existing Emitwise users focused on supplier decarbonisation and renewable procurement | Supplier engagement tooling, product carbon footprints | Supplier CCF, PCF and Scope 3 data | Demo |
| Watershed | Large enterprises with dedicated climate teams | Integrations and data teams | Scopes 1 to 3, CSRD, CDP | Demo |
| Persefoni | Financial institutions and a free self-serve start | Uploads and integrations | Scopes 1 to 3, PCAF, ISSB | Free tier |
| Greenly | Companies wanting a carbon footprint with expert help | Uploads, integrations, expert support | Scopes 1 to 3, CSRD | Demo |
Why Ella is the strongest Emitwise alternative for most teams
How to move off Emitwise
What to look for in an Emitwise replacement
How we wrote this guide
How Ella helps
Carbon accounting software
Scope 1, 2 and 3, SECR, CDP and reduction plans, built from your real bills and invoices.
ESG reporting software
CSRD, VSME and customer ESG requests, with the data collected and cleaned for you.
ESG strategy software
Materiality, targets and a reduction roadmap built from the data you already hold.
Related resources
Best carbon accounting software in 2026: an honest comparison
The best carbon accounting software in 2026 is the one that gets real activity data out of your organisation with the least chasing, then turns it into Scope 1, 2 and 3 figures you can defend to an auditor. For large UK and EU teams, compare Ella, Greenly, Persefoni, Sweep, Watershed, Plan A and Normative on data collection first.
Scope 3 Categories Explained: All 15 GHG Protocol Categories, With Examples
Scope 3 has 15 categories under the GHG Protocol: eight upstream, from purchased goods and services to upstream leased assets, and seven downstream, from downstream transport to investments. You report the categories relevant to your business, and a services firm and a manufacturer will find their emissions in very different places.
Ella vs Watershed: Comparison and Watershed Alternatives (2026)
Ella and Watershed both measure and report emissions, but Ella is faster to get going and does more of the work. Ella is AI-native ESG software built as an agent: it sets your boundaries, chases colleagues for data, reads bills and drafts SECR, CDP, VSME and EcoVadis outputs. Watershed is built for very large enterprise programmes.
Ella vs Greenly: Comparison and Greenly Alternatives (2026)
Ella and Greenly both measure and report carbon, but Ella does more of the work. Ella is AI-native ESG software built as an agent: it sets your Scope 1 to 3 boundaries, collects data from colleagues and suppliers, chases replies and drafts SECR, CDP, VSME and EcoVadis outputs. Greenly is carbon software with expert help on most plans.
Frequently Asked Questions
Is Emitwise still available?
Emitwise is no longer sold as a standalone product or brand, according to its website. Green Project Technologies announced an agreement to acquire Emitwise's software platform in July 2025, and the technology now powers Green Project's supply chain and product carbon footprint capabilities.
Who bought Emitwise?
Green Project Technologies, part of the ACT group, announced the acquisition of Emitwise's software platform on 28 July 2025. Emitwise co-founders Ben Peddie and Eduardo Gomez agreed to join Green Project.
What is the best alternative to Emitwise?
For most sustainability teams at large and fast-growing companies, Ella is the strongest alternative because it collects and chases the data for you and produces SECR, CDP, CSRD, VSME and EcoVadis outputs. Green Project suits teams focused only on supplier decarbonisation.
What was Emitwise used for?
Emitwise helped procurement and sustainability teams engage suppliers, track their progress and calculate Scope 3 emissions and product carbon footprints.
How do I migrate my carbon data from Emitwise?
Export historical footprints, factors and supplier responses, record your base year and methodology, load the data into your new platform, reconcile totals by scope and category, then send your next supplier request from the new tool.
Does Ella collect Scope 3 data from suppliers?
Yes. Ella sends collect links and surveys to suppliers, tracks who has not replied, chases them and combines supplier data with spend-based estimates, keeping the source of every number.
What is suite50?
Emitwise's website says the Emitwise platform is now packaged by Green Project as suite50, combining supplier engagement, carbon accounting and renewable energy procurement.
Can I try Ella before switching?
Yes. Ella offers a 14-day trial per module on your own data, so you can load an Emitwise export and check the results before you commit.