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Sim is the open-source AI workspace where finance teams build, deploy, and manage AI agents that automate reconciliation, invoice processing, and reporting, with human approvals, anomaly detection, and full audit trails across 1,000+ integrations.

Automate invoice processing, reconciliation, and close with Sim agents.

Finance teams build AI agents in Sim, the open-source AI workspace, with human approvals, anomaly detection, and full audit trails, across 1,000+ integrations and every major LLM.

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Companies building AI agents with Sim

  • Rivian | Volkswagen Group Technologies
  • Russell Investments
  • eXp Realty
  • Artie
  • thinkproject
  • Mobile Health Consumer

Close the books faster.

Sim agents handle the manual reconciliation work every cycle.

See finance agents

Reconcile accounts

Sim matches transactions across systems and flags only the exceptions for review.

Process invoices

Sim reads, codes, and routes invoices for approval without manual data entry.

Build reports

Sim assembles recurring financial reports from your source systems on schedule.

Stay in control.

Sim keeps a human in the loop and a record of every decision.

Explore controls

Route approvals

Sim sends the right items to the right approver and waits before it acts.

Detect anomalies

Sim watches spend and flags unusual transactions before they post.

Keep audit trails

Sim logs every run block by block, so finance can prove every control.