Tanso.biz unifies sourcing, settlement, and reporting for verified offsets and compliance instruments — built for treasuries, sustainability desks, and trading teams.
Sourcing, settlement, and disclosure — engineered into one workflow with auditable trails at every step.
Browse a vetted catalogue of verified projects across nature, engineered removals, and methane abatement — with provenance, vintage, and price transparency on every credit.
End-to-end execution with registry-linked custody, multi-party approvals, and same-day settlement on supported corridors. Treasury-grade controls, no spreadsheet workarounds.
One source of truth for CSRD, CDP, SBTi, and TCFD disclosures. Export retirement certificates, evidence packs, and board-ready dashboards in minutes, not months.
tCO2e transacted on platform
verified projects available today
notional value cleared since 2022
settlement success rate
“Tanso replaced four spreadsheets and a shared inbox. Our quarterly close on Scope 1 offsets dropped from three weeks to four days.”
“The diligence packs are the most credible we have seen on the buy-side. Pricing transparency is a real differentiator in this market.”
“Audit-ready out of the box. Our external assurance team approved the retirement evidence on first review.”
Transparent pricing, no hidden registry fees. Annual contracts with quarterly true-up.
For growing sustainability teams
For corporate carbon desks
For multinationals & trading firms
We connect to Verra, Gold Standard, ART TREES, Puro.earth, ACR, and CAR. New corridors are added quarterly based on client demand.
All transfers are registry-linked with dual approval. We hold no client credits in custody outside official registry accounts, eliminating commingling risk.
Yes. We provide REST and FIX APIs and ship native connectors for Allegro, Endur, and SAP. Most integrations go live in under six weeks.
Each project is scored against the ICVCM Core Carbon Principles using a blended methodology that combines Sylvera, BeZero, and our internal diligence team.
Book a 30-minute walkthrough. We will mirror your portfolio in a sandbox and show you exactly what audit-ready looks like.