Drew Lewis

Drew Lewis



+1 (703) 923 8641

Drew Lewis is a director for the government contractor solutions practice of Baker Tilly. He brings over 10 years of government contracting experience, having begun his career with the Defense Contract Audit Agency (DCAA). At DCAA he worked primarily with a multibillion-dollar contractor and providing various types of audit functions throughout the contracting lifecycle. He supports clients through various cost accounting and compliance matters related to government contracts. He has worked with several government contractors to evaluate and implement indirect rate structures, conduct business system readiness and remediation activities, and resolving disputes with government agencies, including DCAA, DCMA and DOJ. He also has broad knowledge of rules and regulations surrounding the FAR, DFARS and CAS.

Drew is a licensed Certified Public Accountant in the Commonwealth of Virginia and a licensed Certified Fraud Examiner through the Association of Certified Fraud Examiners.

  • Assists clients across a variety of government contracting industries, including, but not limited to service providers, consulting, engineering, information technology, cybersecurity, construction/infrastructure and healthcare.
  • Supports reviews of indirect rates and allocation structures, including appropriate distribution of home office costs, for various organizations and industries.
  • Provides assistance with Cost Accounting Standards (CAS) compliance matters, including noncompliance resolution and preparation of cost impact analyses, whether through a general dollar magnitude (GDM) or detailed cost impact (DCI).
  • Supports accounting software conversions and implementations, including the update of various policies and procedures and in the development of internal controls tied to potential risk areas. Develops compliances matrices and audit preparatory binders for each evaluated system in anticipation of Defense Federal Acquisition Supplement (DFARS) business system reviews. Assistance provided from notification of audit, through system walkthroughs and demonstrations, initial determination response and corrective action acceptance.
  • Assists in restructuring accounting system processes, policies and procedures. Interviews various company personnel to document current and ideal state practices. Develops a gap analysis surrounding the internal controls in place and proposed remediation efforts for various accounting subsystems and contractor specific risks. Prepares training for company personnel on governmental regulations and industry best practices.
  • Provides specialized support for Contractor Purchasing System Reviews (CPSR). Preparation includes re-designing the procurement process to establish clear roles and responsibilities and adequate segregation of duties. Provides recommended updates to the procurement policies, procedures, forms, and templates to help demonstrate compliance in the procurement file documentation. Supports the implementation of information systems to assist with management visibility and contractor compliance and developed monitoring plans for continued success.
  • Experience includes working closely with internal and external counsel on several privileged and confidential matters, modernization of legacy financial systems and processes, indirect rate restructuring and modeling, liaising with government auditors and officials, and participating in periodic meetings with accounting, finance, and compliance personnel to support SOX control procedures.
  • Historically took part in various audits on behalf of the Defense Contract Audit Agency, including incurred costs audits, Cost Accounting Standards disclosure statements and compliance reviews, contractor business system reviews and proposal support.
  • Virginia Society of CPAs
  • Greater Washington Society of CPAs
  • American Institute of Certified Public Accountants
  • Association of Certified Fraud Examiners
  • Professional Services Council
  • Presented “CAS 404 and 409 - Unallowable Costs and Depreciation of Tangible Capital” through the Federal Publications Seminars CAS Webinar Series (July 2018)
  • Presented “Fasten Your Seatbelts & Prepare for Cost Impact” at the National Contract Management Association (NCMA) World Congress (July 2018)
  • Presented, “Overview of Accounting Business System” for the National Contract Management Association (NCMA) Contract Lifecycle Training Series (March 2018)
  • Presented, “Keys to Achieving Successful Audit Outcomes” and “Contracting and Oversight Issues on the Horizon” at a Government Contracting Seminar in Princeton, NJ (June 2017)
  • Presented, “The Reel Experts: Contracting & Oversight Issues on the Horizon” for the Association of Government Accountants: San Diego Chapter (April 2017)
  • Instructed, “Advance Contractor Business Systems Assessment Workshop” hosted by Federal Publications Seminars (October 2016)
  • Presented, “Managing Compliance Concerns throughout the Contract Lifecycle” at the National Contract Management Association (NCMA) World Congress (July 2016)
  • Presented, “An Overview of Procurement Compliance” and “Internal Controls and Compliance Leading Practices” at an Annual Compliance Conference for a multi-billion dollar healthcare contractor (February 2016)
  • Presented, “Best Practices for Contract Closeout” for a National Contract Management Association (NCMA) National Webinar (February 2016)
  • Presented, “Understanding Unallowable Cost so You Don’t Pay the Price” at the American Health Quality Association Annual Meeting (September 2015)
  • Instructed, “How to Prepare for and Deal with DCAA and DCMA Audits” for the National Contract Management Association (NCMA) Contract Lifecycle Training Series (April 2015)


Washington, DC


Bachelor of Science in accounting

Liberty University

Drew's upcoming events


2024 govcon small medium businesses

Empowering success: 2024 GovCon small medium businesses forum