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Success Stories Modernising lease audit operations with agentic AI for scale and efficiency

Modernising lease audit operations with agentic AI for scale and efficiency

Manual lease audits. Inconsistent outcomes. A pipeline of automation opportunity.

A leading audit, assurance, tax and advisory firm in Australia - with over 1,500 professionals and global backing - faced a dual challenge: improving customer service while increasing delivery efficiency. During a lease audit, clients provide a series of documents relating to their leases and expenses. These documents can arrive in a range of formats and structures - from scanned lease agreements through to calculations made in Excel. The variation introduced risk: miscalculation, inconsistent interpretation, manual effort that scaled with volume rather than with technology. The firm had identified a pipeline of use cases ripe for agentic AI - and lease audit was the first.

A four-week Proof of Concept. Immediate commercial impact.

One51 designed and built a Proof of Concept for a multi-agent AI-driven 'Lease Auditing Agent' - a solution that automates lease audits by extracting data from client documents, validating calculations and disclosures against lease terms, and generating audit reports. The solution handles the full document range the firm encounters - scanned agreements, structured data, Excel calculations - using a combination of document intelligence, LLM-powered extraction, validation logic and structured report generation. The four-week PoC was designed with enterprise readiness in mind from day one - scalable, auditable and structured for rapid expansion across new document types and international accounting frameworks.

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  • 4 weeks

    From engagement start to production-ready Proof of Concept

  • Immediate

    Commercial impact - reduced manual effort and improved consistency from day one

  • Enterprise-ready

    Design built for rapid expansion to new document types and frameworks

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Our 4-week PoC demonstrated instant commercial impact, cutting manual effort and improving consistency across lease audits from day one. With a scalable, enterprise-ready design already in place, the firm is now positioned to expand rapidly across new document types and international accounting frameworks.

Peter Hopwood

Director of Consulting Services, One51 Consulting

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