BSI vs Deloitte vs Unravel Carbon
Side by side: frameworks, pricing, coverage and verified reviews. Information comes from each provider’s listing and from reviewers.
| Feature |
 BSI
|
 Deloitte
|
 Unravel Carbon
|
|---|---|---|---|
| Overview | |||
| Type | Services | Services | Software |
| Categories | Assurance and audit, ESG and sustainability consulting | Assurance and audit, ESG and sustainability consulting, CSRD readiness and gap analysis | ESG reporting and disclosure software, Carbon accounting and emissions management, Supply chain ESG and due diligence |
| Headquarters | United Kingdom | United Kingdom | Singapore |
| Founded | 1901 | Not stated | Not stated |
| Verified by ESGListings | – | – | – |
| Ratings | |||
| Overall | No reviews yet | No reviews yet | No reviews yet |
| Ease of use | – | – | – |
| Audit readiness | – | – | – |
| Framework coverage | – | – | – |
| Support | – | – | – |
| Value for money | – | – | – |
| Pricing | |||
| Starting price | Not published | Not published | Not published |
| Pricing model | Not stated | Not stated | Not stated |
| Free trial | – | – | – |
| Free demo | – | – | – |
| Frameworks supported | |||
| ESRS | – | ✓ | – |
| ISSB (IFRS S1/S2) | – | ✓ | ✓ |
| Coverage | |||
| Regions served | Global, United Kingdom | Global | Global, APAC |
| Company sizes | Mid-market, Enterprise | Enterprise | Mid-market, Enterprise |
| Industries | Not stated | Not stated | Not stated |
| Deployment | Not stated | Not stated | Cloud (SaaS) |
| Languages | Not stated | Not stated | Not stated |
Listing details are provided by each company and checked when a listing is marked Verified. Ratings come from verified reviewers. Sponsored listings are paid placements and don’t affect this comparison.