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How A4 works · interactive

People sign it off.

Follow an engagement from intake to final delivery — see the agents that do the heavy lifting, the human layer that reviews everything, and the complete file we hand you with every letter drafted.

AI-native audit. We rebuilt the firm around it.

The machines do the volume. Our people do the judgement.

A4 Services
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Automation

Intake & planning

We onboard the engagement and a Master Orchestrator spins up the planning agents — mapping scope, materiality and the audit strategy in minutes, and assigning the right agents to every area of the file.

Master Orchestrator
Coordinates every agent & the whole file
Planning agent
Scope, materiality & strategy
Data-intake agent
Reads trial balance, ledgers & documents

A human layer, always

Agents accelerate the work — but every judgement is reviewed and approved by qualified auditors, and the final opinion is always signed by a person. You keep the final say.

  • Reviewed by qualified auditors
  • Go / no-go escalated to you
  • Full engagement, letters drafted