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Spend Less Time on Workpapers, More Time on Audit Quality

AI-powered workpaper generation built on the Yusagi Audit Manual — 30 workpapers, 134 procedures, and 73 QC checks. Methodology-compliant documentation in minutes, with the security of a dedicated private installation.

AES-256 Encryption
SOC 2 Type II Ready
GDPR Compliant
Isolated Deployments

How Yusagi Makes Your Life Easier

Built for auditors of less complex entities who need standards-aligned tools without enterprise overhead.

Cut Audit Prep Time in Half

Stop manually drafting workpapers. Generate compliant audit documentation from your evidence in minutes, not hours.

Zero Fabrication Risk

Evidence-first workflow means AI never invents data. Every workpaper is grounded in the PBC items you provide — reducing compliance risk.

Built for LCE Audits

Based on ISA for Less Complex Entities. Perfect for independent auditors and small CPA firms serving SMEs and owner-managed businesses.

Always Audit-Ready

73 QC checks validate completeness before export. 18 blocking checks ensure critical requirements are never missed.

Everything You Need for Professional Audits

Comprehensive features designed around your audit workflow.

Evidence-First, Never Fabricated

AI requires your PBC items before generating workpapers. No invented balances, dates, or amounts — every figure comes from your evidence.

AI That Knows Audit Methodology

Trained on the complete Yusagi Audit Manual with 134 procedures. Generates documentation that follows proven audit workflows.

RAG-Powered Anti-Hallucination

Every response retrieves relevant procedures from our methodology library. Grounded guidance, not generic AI guesswork.

ISA for LCE Foundation

Built on international standards for less complex entities. 30 workpapers mapped to the 6-step engagement flow with full traceability.

Quality Assurance Built-In

73 QC checks (18 blocking, 50 error, 5 warning) validate completeness, consistency, and compliance before you export.

Export-Ready Documentation

Download workpapers in Word, Excel, or Markdown. Professional formatting with proper headers, ready for review and archival.

Enterprise-Grade Security

Security That Matches Your Professional Standards

As a CPA, you understand the importance of data protection. Yusagi's dedicated installation model ensures your client data receives the same level of care you bring to your practice.

Dedicated, isolated instance for each client
AES-256 encryption for data at rest
TLS 1.3 encryption for data in transit
No shared databases or infrastructure
SOC 2 Type II audit-ready architecture
Regular security updates and patching

Dedicated Installation

Your own isolated environment with dedicated resources and storage.

Zero Data Sharing

Your data never comingles with other users. Complete isolation guaranteed.

On-Prem Level Control

Get the security benefits of on-premises without the infrastructure burden.

Trusted by Solo Practitioners

See what early users are saying about Yusagi.

"Yusagi transformed how I approach workpaper documentation. What used to take me an entire day now takes under an hour."

A.V.

Solo Practitioner

Amsterdam

"Finally, audit software that understands solo practice. No bloat, no enterprise pricing, just the tools I need."

N.K.

Independent Auditor

Vienna

"The dedicated installation gave me the confidence to handle sensitive client data without worrying about cloud security."

S.M.

Audit Professional

Zürich

Frequently Asked Questions

Everything you need to know about Yusagi.

Still have questions?

Ready to Transform Your Audit Practice?

Join the waitlist for early access. Get priority onboarding, dedicated support, and exclusive early-access pricing.

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Dedicated instance
Personal onboarding
Priority scheduling