P R O F E S S I O N A L S U M M A R Y
Detail-oriented and results-driven Senior Accountant and CPA with 9 years of experience managing comprehensive accounting operations, financial transactions, and reporting for organizations across manufacturing, government contracting, and healthcare. Proven ability to maintain order and transparency in company finances, ensure compliance with financial policies and regulations, and deliver timely, accurate financial statements and budget forecasts. Adept at handling month-end, quarter-end, and year-end closings, reconciling accounts payable and receivable, preparing and posting journal entries, and overseeing payroll processing. Advanced proficiency in Microsoft Excel and a range of accounting software, with a strong commitment to integrity, confidentiality, and continuous process improvement.
A R E A S O F E X P E R T I S E
Full-Cycle Accounting Month-End, Quarter-End & Year-End Close Financial Reporting & Statement Preparation Budget Forecasting General Ledger Management Account Reconciliations AP/AR Management Payroll Processing Tax Compliance & Returns Audit Support Internal Controls SOX Compliance Financial Analysis Variance Analysis Cash Flow & Liquidity Management ERP Implementations & Optimization Data Integrity & Confidentiality Workflow Automation KPI Reporting Advanced Excel Modeling (Pivot Tables, VLookups, XLOOKUP) Cross-Functional Collaboration P R O F E S S I O N A L E X P E R I E N C E
ACCOUNTS PAYABLE / ACCOUNTS RECEIVABLE ACCOUNTANT
Global Products Group, Bradenton, FL
August 2024 - March 2026
• Managed end-to-end AP/AR transaction cycles in a high-volume manufacturing environment using Microsoft Dynamics 365 Business Central, ensuring timely processing and reconciliation of all financial transactions.
• Increased cash conversion efficiency by 30% within six months by redesigning aging analysis reporting and elevating collection prioritization for leadership decision-making.
• Eliminated recurring reconciliation inefficiencies, freeing ~10 hours weekly through redesign of bank, billing, and prepaid expense workflows and strengthening control checkpoints.
• Automated invoice intake and entry by integrating CRM data into Dynamics 365 workflows, reducing manual handling and improving processing accuracy and speed.
• Engineered Excel-based compensation models for sales commissions, replacing manual calculations with structured logic to improve payout accuracy and cycle consistency.
ACCOUNTING CONSULTANT – BILLING ANALYST (BESTICA)
Independent Consulting, Shepherdstown, WV
January 2024 - July 2024
Contract Role
• Protected ~$2M in monthly billings by managing invoicing across 30+ federal contracts via Wide Area Workflow, meeting strict government submission deadlines.
• Strengthened revenue operations by coordinating multi-agency billing cycles, achieving 100% accuracy across all contract- aligned submissions.
• Reinforced accounting controls for a healthcare client by performing recurring bank reconciliations, saving 10 hours per week.
• Improved billing process efficiency by identifying bottlenecks and streamlining workflows.
• Ensured compliance by performing monthly audits of billing submissions against government regulations and contract terms. ACCOUNTING CONSULTANT – CONSULTANT (INTEGRUM SCIENTIFIC) Independent Consulting, Shepherdstown, WV
October 2023 - November 2023
Contract Role
• Built core accounting structure for an early-stage healthcare lab organization, establishing scalable processes for transaction recording, reconciliation, and reporting.
• Performed financial validation procedures including monthly bank reconciliations to support accuracy of reporting during startup expansion.
• Advised leadership on control design and accounting process improvements to support compliance readiness and operational growth.
W I L L I A M M C C A R T H Y
***********@*****.*** 304-***-**** Shepherdstown, WV 25443 https://www.linkedin.com/in/williammccarthy99
INTERIM CONTROLLER
Addison Group / Client: British Standards Institution, Reston, VA January 2023 - September 2023
Contract Role
• Accelerated financial close by redesigning month-end workflows and implementing reporting automation, reducing cycle time by three days.
• Rebuilt internal control environment by conducting risk analysis and implementing corrective actions, reducing control deficiencies by 20%.
• Promoted financial statement reliability by resolving recurring discrepancies through detailed reconciliation and variance investigation across accounting systems.
INTERNATIONAL ACCOUNTS PAYABLE ACCOUNTANT
Park Computer Systems / Client: Proofpoint, Inc., Sunnyvale, CA June 2022 - January 2023
Contract Role
• Shortened month-end close timeline by 2 business days by streamlining international AP and payroll reconciliation processes in NetSuite under ASC 606/842 requirements.
• Executed global payment execution across 12+ international vendors, ensuring accurate scheduling and compliance with multijurisdictional payment requirements.
• Maintained liquidity operations for 4 foreign entities by managing funding transfers and ensuring uninterrupted subsidiary financial activity.
• Strengthened payment governance by validating invoices against purchase orders, reinforcing procurement compliance and reducing exceptions.
• Reconciled international AP and payroll processes in NetSuite, ensuring ASC 606/842 compliance. SENIOR ACCOUNTANT
Ian Martin Group / Client: CASI Pharmaceuticals, Rockville, MD November 2021 - May 2022
Contract Role
• Accelerated close efficiency in a regulated pharmaceutical environment by optimizing accounting workflows and strengthening reporting accuracy standards.
• Reengineered accounts payable processing in NetSuite, reducing cycle time while reinforcing compliance with regulated financial controls.
• Converted and structured workforce data from SAP S/4HANA, eliminating manual calculation workload and improving monthly reporting efficiency.
• Executed foreign currency translation for global subsidiaries, ensuring accurate consolidation and full GAAP compliance during quarterly reporting cycles.
ACCOUNTING MANAGER
Creative Financial Staffing / Client: BlueHalo, Arlington, VA October 2020 - October 2021
Contract Role
• Led subsidiary close processes, ensuring timely, accurate financial reporting within a regulated government contracting environment.
• Owned bank and ledger reconciliation processes to support monthly financial statements across reporting entities.
• Directed ERP migration from PROCAS to Oracle, reducing manual accounting workflows by 10% and improving system integration.
• Managed AP and government billing functions tied to contract job costing.
• Ensured compliance with federal contracting requirements for AP and government billing. CONTROLLER
American Armed Forces Mutual Aid Association, Reston, VA August 2016 - September 2020
• Streamlined financial close process by 20% through standardized procedures and automation for 3 subsidiaries in a regulated insurance environment.
• Produced financial statements monthly, and acted as liaison between management and auditors for the audit report.
• Optimized intercompany accounting, decreasing reconciliation errors by 30% via robust protocols and ensuring accurate consolidation.
• Enhanced executive financial reporting packages, supporting strategic planning for 2 major initiatives and meeting regulatory compliance.
• Governed $500M+ in actuarial reserves, ensuring strict adherence to insurance regulatory standards and audit expectations. E D U C A T I O N & C R E D E N T I A L S
Bachelor of Business Administration (BBA) in Accounting and Management Information Systems, University of Wisconsin – Milwaukee
Certified Public Accountant (CPA) – Active, State of Maryland Expires 06/30/2027 T E C H N I C A L S K I L L S
Microsoft Dynamics 365 (Business Central) NetSuite Oracle ERP SAP S/4HANA PeopleSoft PROCAS Deltek GCS Premier Sage Peachtree Concur Wide Area Workflow (WAWF) CRM systems Microsoft Excel (Pivot Tables, VLookups, XLOOKUP) Financial Modeling Reporting Automation OCR/AP Automation Tools AI-Enabled Invoice Processing RPA Fundamentals Monthly Close Balance Sheet Journal Entries Documentation Expenses Policies and Procedures Profit and Loss