Contact Us: 317.449.9697

Internal Audit

Internal Audit

Sigma’s Internal Audit, Risk Consulting Services employs experienced professionals to augment and enhance an organization’ existing internal audit capabilities.

Internal Audit Outsourcing Services

Sigma can advise you on critical business risks, implementation of effective controls and compliance processes, identifying better practices, reducing the cost of operations and realizing profit improvement opportunities.

Internal Audit Co-Sourcing Services

Co-sourcing can provide you with the opportunity to tap into specific skill sets, industry knowledge and global resources on an ‘as needed’ basis. Sigma can provide you with the specific skills you need on demand — achieving a level of flexibility which can be critical in effectively dealing with a range of operational issues.

Audit Services We Provide

  • Internal Audit Risk Assessment
  • IT Risk Assessment
  • Risk Profiling
  • Control Environment Assessments
  • Risk and Controls Business Intelligence Analysis
  • Audit Universe Definition and Development
  • Key Risk Identification
  • Business Process Improvement
  • Internal Audit Special Projects
  • Audit Committee Participation and Presentation
  • Internal Audit Charter
  • Internal Audit Plan Development
  • Policy and Procedure Review/Development
  • Internal Audit Execution
  • Financial Audits
  • Operational Audits
  • Fraud Investigations
  • Forensic Audits
  • Segregation of Duties Analysis
  • Delegation of Authority Analysis
  • Process Improvement Audits
  • Procurement Audits
  • Treasury Audits
  • Energy Management Audits
  • Construction Audits
  • Employee Benefit Plan Compliance
  • External Audit Readiness
  • Quality Assurance Reviews
  • Third Party Vendor Audits
  • Hedging, Derivative and Complex Financial Instrument Reviews
  • A/P and A/R Reviews


  • Technology Risk Audit Plan Development
  • Disaster Recovery Audits
  • Backup and Recovery Audits
  • Business Continuity Planning (BCP)
  • IT Security Audits
  • Change Management/Change Control Audits
  • System Development Life Cycle Audits
  • Pre and Post Implementation Reviews
  • Application Reviews
  • IT Infrastructure Reviews
  • Network Reviews, Wired and Wireless
  • Intrusion Detection Reviews
  • Network Penetration Testing and Reviews
  • Data Center Operations Reviews
  • Data Warehouse Audits
  • Logical Security Reviews
  • Physical Security Reviews
  • ERP Optimization
  • ITGCC Rationalization
  • Software Licensing Reviews
  • Financial Sarbanes-Oxley Compliance
  • ITGCC Sarbanes-Oxley Compliance
  • Model Audit Rule Compliance
  • Graham Leach Bliley Act (GLBA) Compliance
  • Foreign Corrupt Practices Act (FCPA) Compliance
  • Employee Benefit Plan Compliance
  • Payment Card Industry (PCI) Compliance
  • HIPAA Compliance
  • Investment Plan Compliance
  • Revenue Recognition Reviews
  • IT Governance/Strategic Planning
  • Executive T&E Reviews