ACT Group Decarbonization Platform vs CarbonTool

ACT Group Decarbonization Platform9.3Visit CarbonTool9.2Visit

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

vs

CarbonTool #3 in Carbon Accounting Software 9.2/10 30-day trial Free trial✓ 3 of 3 features Visit CarbonTool

• ACT Group Decarbonization Platform fits best

  End-to-end decarbonization and supplier programs

• CarbonTool fits best

  Organizations needing affordable audit-ready accounting

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Side by side

Feature	ACT Group Decarbonization Platform 9.3/10 Visit ↗	CarbonTool 9.2/10 Visit ↗
At a glance
Editor score	9.3	9.2
Ranking	#2 in Carbon Accounting Software	#3 in Carbon Accounting Software
Best for	End-to-end decarbonization and supplier programs	Organizations needing affordable audit-ready accounting
Pricing model	Paid	Paid
Starting price	—	€2,000/yr
Free plan	Not checked yet	—
Free trial	—	30 days
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Email	Email, Live chat
Integrations	15,000+ integrations	9 integrations
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features ACT Group Decarbonization Platform 3/3 · CarbonTool 3/3
Supplier engagement	✓	✓
Audit trail	✓	✓
API access	✓	✓
Specs
Scope coverage	Scope 1-3	Scope 1-3
Data collection	Both	Both
Emissions factors	Built-in	Both
Our review
Pros	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	Scope 1–3 accounting with 200+ emissions-source templates Supplier surveys, consolidation and major reporting frameworks Audit trail, REST API, OAuth 2.0, webhooks and bulk import
Cons	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	No time-unlimited free plan Core supports single-entity measurement only CSRD reporting starts with the €7,500 Enterprise plan
Our verdict	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 →	CarbonTool is a web-based carbon accounting platform for organizations measuring, reporting and reducing greenhouse-gas emissions. It covers GHG Protocol Scope 1, 2 and 3 inventories, with manual entry, spreadsheet import, AI-assisted… Read the review →

Strengths and trade-offs

• 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

• CarbonTool — where it wins

  • Scope 1–3 accounting with 200+ emissions-source templates
  • Supplier surveys, consolidation and major reporting frameworks
  • Audit trail, REST API, OAuth 2.0, webhooks and bulk import

  Where it doesn't

  • No time-unlimited free plan
  • Core supports single-entity measurement only
  • CSRD reporting starts with the €7,500 Enterprise plan

• 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 →
• CarbonTool9.2/10 · 30-day trial

  Broad Scope 1–3 accounting and reporting from €2,000 per organization annually.

  Visit CarbonToolFull verdict →