IBM Envizi vs ACT Group Decarbonization Platform

IBM Envizi9.4Visit ACT Group Decarbonization Platform9.3Visit

Higher score IBM Envizi #1 in Carbon Accounting Software 9.4/10 Pricing on request ✓ 3 of 3 features Visit IBM Envizi

vs

ACT Group Decarbonization Platform #2 in Carbon Accounting Software 9.3/10 Pricing on request ✓ 3 of 3 features Visit ACT Group

• IBM Envizi fits best

  Large enterprises needing mature ESG infrastructure

• ACT Group Decarbonization Platform fits best

  End-to-end decarbonization and supplier programs

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Side by side

Feature	IBM Envizi 9.4/10 Visit ↗	ACT Group Decarbonization Platform 9.3/10 Visit ↗
At a glance
Editor score	9.4	9.3
Ranking	#1 in Carbon Accounting Software	#2 in Carbon Accounting Software
Best for	Large enterprises needing mature ESG infrastructure	End-to-end decarbonization and supplier programs
Pricing model	Paid	Paid
Starting price	—	—
Free plan	Not checked yet	Not checked yet
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Community, Docs	Email
Integrations	10 integrations	15,000+ integrations
Built for	Mid-market, Enterprise	Mid-market, Enterprise
Features IBM Envizi 3/3 · ACT Group Decarbonization Platform 3/3
Supplier engagement	✓	✓
Audit trail	✓	✓
API access	✓	✓
Specs
Scope coverage	Scope 1-3	Scope 1-3
Data collection	Both	Both
Emissions factors	Both	Built-in
Our review
Pros	Covers Scope 1, 2 and 3 emissions with GHG Protocol-aligned methods Automates data ingestion and emissions-factor retrieval across enterprise sources Includes supplier engagement, audit trails, APIs and extensive integrations	Covers Scope 1–3 accounting with audit trails and reporting templates Combines supplier screening, engagement, calculators and roadmaps Supports EAC procurement, allocation and retirement workflows
Cons	Pricing is quote-based and requires a sales conversation The Emissions API is priced as a separate module Account-based tiers may be more than smaller teams need	Pricing requires contact with sales rather than published plan rates Its broad feature set may exceed the needs of narrow accounting teams Supplier and renewable-energy workflows require coordinated program ownership
Our verdict	IBM Envizi is an ESG data management and reporting platform for organizations managing environmental performance, greenhouse gas emissions and sustainability disclosures. It supports Scope 1, 2 and 3 calculation and reporting through a GHG… Read the review →	ACT Group Decarbonization Platform brings carbon accounting, Scope 3 analysis, supplier engagement, reduction planning and renewable-energy procurement into one web and API-based platform. It is designed for enterprise sustainability and… Read the review →

Strengths and trade-offs

• IBM Envizi — where it wins

  • Covers Scope 1, 2 and 3 emissions with GHG Protocol-aligned methods
  • Automates data ingestion and emissions-factor retrieval across enterprise sources
  • Includes supplier engagement, audit trails, APIs and extensive integrations

  Where it doesn't

  • Pricing is quote-based and requires a sales conversation
  • The Emissions API is priced as a separate module
  • Account-based tiers may be more than smaller teams need

• ACT Group Decarbonization Platform — where it wins

  • Covers Scope 1–3 accounting with audit trails and reporting templates
  • Combines supplier screening, engagement, calculators and roadmaps
  • Supports EAC procurement, allocation and retirement workflows

  Where it doesn't

  • Pricing requires contact with sales rather than published plan rates
  • Its broad feature set may exceed the needs of narrow accounting teams
  • Supplier and renewable-energy workflows require coordinated program ownership

• IBM Envizi9.4/10 · Pricing on request

  A broad Scope 1–3 platform for organizations with complex sustainability data needs.

  Visit IBM EnviziFull verdict →
• ACT Group Decarbonization Platform9.3/10 · Pricing on request

  An end-to-end platform for carbon accounting, supplier programs and renewable-energy procurement.

  Visit ACT GroupFull verdict →