Trusted accuracy
Validation rules expose missing, duplicated and inconsistent data before it enters the balance.
Validate with confidence →Metal accounting & reconciliation
Turn complex flows into clear decisions.
A practical, traceable workspace for mining teams to reconcile data, close balances and act with confidence.
Audit-readyExcel-friendlyBuilt for mining
May 2026 · Final
Balanced
Mass Balance
Plant feed1,200.0 tAu 2.34 g/t
Accounted output1,198.8 t99.90% recovery
Variance1.2 tWithin tolerance
FEED1,200 tROM stockpile
PROCESSCrushing + Mill98.7% accounted
CONCENTRATE450 tAu 5.92 g/t
TAILINGS748.8 tAu 0.18 g/t
Daily reconciliation99.6%
✓
Audit trailAll checks passed
01ImportConnect source data
→
02ValidateSurface data gaps
→
03BalanceReconcile every flow
→
04ReviewExplain every variance
→
05TracePreserve the audit trail
Why MetAcc
Confidence in every number.
Purpose-built workflows bring operational data, metallurgical logic and accountable decisions into one clear system.
End-to-end traceability
Follow each value from source through adjustment, approval and final reported result.
See the full story →Faster reconciliation
Replace fragmented files and repeated checks with a guided, repeatable monthly workflow.
Close the balance faster →Designed for people
A focused interface that works with mining teams—not against the way they already operate.
Work more clearly →Modular by design
One foundation.
Every critical balance.
Start with Mass Balance and expand across the accounting and reconciliation workflow as your operation grows.
01Current
Mass Balance
Map flows, reconcile measured values and close each period with a complete audit trail.
02Next
Metal Balance
Extend mass accounting to grades, contained metal and recovery across the circuit.
03Planned
Reconciliation
Compare models, mine, plant and product performance through structured reconciliation.
04Planned
Water Balance
Bring water flows and inventories into the same governed operational framework.
P754
Recognized methodology
AMIRA P754-aligned workflows
Structured around the principles mining teams recognize: clear ownership, fit-for-purpose data, documented adjustments and complete traceability.
01 Defined data ownership02 Controlled calculations03 Reviewable adjustments04 Auditable reporting
Early access
Help shape a clearer future for metal accounting.
We are inviting a small group of mining and metallurgy professionals to test Mass Balance and influence what MetAcc becomes.
- Early product access
- Direct input into the roadmap
- Founding beta participant status