The Best Corporate Sustainability Software in 2026
IBM Envizi is the top-ranked corporate sustainability software of the 18 we ranked (9.3/10), best for enterprises managing auditable Scope 1–3 emissions. Salesforce Net Zero Cloud is the runner-up (9.1/10), and Persefoni is the highest-ranked option with a listed free plan (8.4/10). We researched corporate sustainability software through official vendor websites, including pricing pages, plan tables, and product documentation. Products are ranked on their core sustainability-management job, value for money, and verified capabilities for emissions accounting, ESG reporting, targets, supplier data, and governance.
Our top picks
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Top ranked
IBM Envizi#1 of 189.3/10Broad Scope 1–3 accounting with automated data collection, audit trails and supplier engagement.
Pricing on request
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Runner-up
Salesforce Net Zero Cloud#2 of 189.1/10A Salesforce-based suite for enterprise emissions accounting, supplier data and ESG disclosures.
Pricing on request
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Top-ranked free plan
Persefoni#8 of 188.4/10A free starting point for Scope 1–3 accounting, with Advanced tools for larger programs.
Free plan
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
The full ranking 18 tools, best first
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Best forEnterprises managing auditable Scope 1–3 emissions
Broad Scope 1–3 accounting with automated data collection, audit trails and supplier engagement.
- Audit trail
9.3/10★★★★★Visit IBM Envizi -
Best forEnterprises managing emissions and ESG disclosures
A Salesforce-based suite for enterprise emissions accounting, supplier data and ESG disclosures.
- Carbon accounting
9.1/10★★★★★Visit Salesforce -
Best forMid-market and enterprise ESG teams
A broad ESG program platform for organizations coordinating data, goals, suppliers, and reports.
- Target tracking
- Carbon accounting
9.0/10★★★★☆Visit OneTrust -
Best forTeams managing emissions, CSRD, and assurance workflows
Emissions tracking, supplier data, and CSRD reporting with traceable ESG evidence.
8.8/10★★★★☆Visit Greenly -
Best forTeams combining carbon measurement with reduction planning
A cloud platform that connects emissions measurement, disclosure preparation, and reduction planning.
- Audit trail
8.7/10★★★★☆Visit Watershed -
Best forTeams focused on detailed emissions accounting
Detailed Scope 1–3 accounting, supplier engagement and audit exports, with quote-only pricing.
- Audit trail
8.6/10★★★★☆Visit Normative -
Best forOrganizations coordinating suppliers and product footprints
Scope 1–3 and product footprints, with supplier data collection and reduction planning.
- Audit trail
8.5/10★★★★☆Visit Sweep -
Best forSmaller teams starting carbon accounting
A free starting point for Scope 1–3 accounting, with Advanced tools for larger programs.
- Audit trail
8.4/10★★★★☆Visit Persefoni -
Best forTrade and supply-chain teams needing emissions analysis
Emissions accounting for complex commodity and supply-chain operations.
- Audit trail
8.2/10★★★★☆Visit CarbonChain -
Best forOrganizations managing multi-site emissions and targets
Plan A combines Scope 1–3 accounting, supplier engagement and reduction planning.
- Audit trail
8.1/10★★★★☆Visit Plan A -
Best forTeams prioritizing supplier ESG risk monitoring
Continuous supplier ESG risk monitoring with document intelligence and regulatory dashboards.
7.9/10★★★★☆Visit EcoVadis -
Best forTeams needing footprints, targets, and ESRS reporting
A cloud platform for corporate and product footprints, supplier data, targets, and reporting.
- Supplier data portal
- Scope 3 accounting
- Target tracking
7.9/10★★★★☆Visit ClimatePartner -
Best forMid-market and enterprise teams tracking site emissions
A site-focused platform for emissions accounting, supplier data, and sustainability reporting.
- Scope 3 accounting
7.8/10★★★★☆Request a demo -
Best forMicrosoft-centric teams with a sizeable ESG budget
A Microsoft-connected sustainability suite with broad tracking and a $4,000 monthly entry price.
- Carbon accounting
7.7/10★★★★☆Visit Microsoft -
Best forTeams seeking straightforward emissions inventories
A cloud-based emissions inventory and reporting tool focused on corporate carbon accounting.
6.8/10★★★☆☆Visit KlimAktiv -
Best forOrganizations seeking EHS safety workflows instead
A strong EHS safety fit, but a poor choice for sustainability accounting and reporting.
5.8/10★★★☆☆Visit Enablon -
Best forOrganizations seeking EHS safety workflows instead
Enterprise EHS safety workflows with mobile capture, not a sustainability measurement suite.
5.7/10★★★☆☆Visit SpheraCloud -
Best forSupply-chain planners, not sustainability teams
A supply-chain planning suite, not a corporate sustainability accounting tool.
5.5/10★★★☆☆Visit SAP
No tools match those filters.
Compare at a glance
| # | Tool | Paid from | Score |
|---|---|---|---|
| 1 | IBM Envizi | 9.3 | |
| 2 | Salesforce Net Zero Cloud | 9.1 | |
| 3 | OneTrust ESG & Sustainability Cloud | 9.0 | |
| 4 | Greenly | 8.8 | |
| 5 | Watershed | 8.7 | |
| 6 | Normative | 8.6 | |
| 7 | Sweep | 8.5 | |
| 8 | Persefoni | 8.4 | |
| 9 | CarbonChain | 8.2 | |
| 10 | Plan A | 8.1 | |
| 11 | EcoVadis IQ Plus | 7.9 | |
| 12 | ClimatePartner Hub (formerly Plan A Climate Partner Platform) | 7.9 | |
| 13 | Benchmark Gensuite Sustainability | 7.8 | |
| 14 | Microsoft Cloud for Sustainability | $4,000/unit/mo | 7.7 |
| 15 | KlimAktiv | 6.8 | |
| 16 | Enablon | 5.8 | |
| 17 | SpheraCloud | 5.7 | |
| 18 | SAP Integrated Business Planning | 5.5 |
Head-to-head All 16 comparisons →
- IBM Envizi vs Salesforce Net Zero Cloud
- IBM Envizi vs OneTrust ESG & Sustainability Cloud
- Salesforce Net Zero Cloud vs OneTrust ESG & Sustainability Cloud
- Salesforce Net Zero Cloud vs Greenly
- Salesforce Net Zero Cloud vs Watershed
- Salesforce Net Zero Cloud vs Normative
- Salesforce Net Zero Cloud vs Sweep
- Salesforce Net Zero Cloud vs Persefoni
- OneTrust ESG & Sustainability Cloud vs Greenly
Buyer's guide
Which corporate sustainability software products have a free plan? 1 of the 18 we ranked list one. The highest-ranked are Persefoni (8.4/10).
Which features set corporate sustainability software products apart? Carbon accounting: 4 of 18, including Salesforce Net Zero Cloud (9.1/10), OneTrust ESG & Sustainability Cloud (9.0/10) and ClimatePartner Hub (formerly Plan A Climate Partner Platform) (7.9/10). Audit trail: 7 of 18, including IBM Envizi (9.3/10), Watershed (8.7/10) and Normative (8.6/10).
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How we rank corporate sustainability software
Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.
Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
Last updated · How we research and update