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Evidence & audit trail

Every figure, backed by proof.

Attach the source document to any data point. It is stored privately and encrypted, and every change is written to a record that can’t be altered.

What's inside

Proof and a permanent record.

Private & encrypted

Files live in a per-client store no one else can reach.

Upload · Scope 2
Supporting document0
Encrypted & stored
Visible only to your team and your auditor

Any document, up to 100 MB

PDFs, spreadsheets and images — bring whatever your auditor needs, up to 100 MB per file.

Accepted files
PDF
Excel / CSV
Images & photos · up to 100 MB

Tamper-evident log

Every edit and upload is recorded and can’t be rewritten.

Audit trail
A. Rahman edited Diesel · 14:32
S. Lim attached bill · 14:40
Locked by auditor · 16:05
Entries can’t be rewritten

Ready when you are

See Tellus on your own data.

Map one figure to every framework, lock a reporting year, and hand your assurer a clean audit trail. A 30-minute walkthrough shows you how — walking through your own numbers.

Book a walkthrough →

GHG Protocol Scope 1–3 · IFRS S1 & S2 (ISSB) · Bursa Malaysia · GRI · SASB · FTSE Russell · ISSA 5000 · ISAE 3000 / 3410 & AA1000-ready · SOC 2 Type II infrastructure (Singapore) · PDPA 2010 compliant