Remote Bookkeeper - Full-Cycle Accounting Expert

Mardene Aos

503-***-**** • mardene. ***@*****.*** • Milwaukie, OR

Summary

Staff Accountant with over 27+ years of expertise in full-cycle bookkeeping and financial operations management. Expert in GAAP, payroll, A/ P, A/ R, and reconciliations, with a proven track record of maintaining data accuracy across diverse industries including engineering, property management, legal, restaurants, not for profit (501c3) and more. Very experienced QuickBooks online and desktop, and working with MS 365, Google Docs and others. Work Experience

Office Manager - Bookkeeper: ADVANCED HYDRAULIC SOLUTIONS, October 2025 – March 2026

● Managed full-cycle Accounts Payable and Account Reconciliations for all corporate accounts, ensuring 100% financial data accuracy. This included PO tracking, processing and recording vendor invoices, preparing payment vouchers.

● Maintained detailed financial records and journal entries, identifying discrepancies and performing corrective adjustments to support GAAP compliance.

● Collaborated with senior leadership to support budgeting efforts and expense tracking during critical fiscal periods.

● Laid off due to budget cuts.

Full Charge Bookkeeping - Office Manager:

CITY WIDE TREE SERVICE October 2016 – October 2025

● Reconciled General Ledger ( GL) accounts, including A/ P, A/ R, and payroll, adhering to GAAP standards.

● Processed biweekly payroll, payroll reports and payroll taxes. Stayed on top of employee advances or garnishments. Follow up on any state or federal payroll tax changes. Follow up with employees for yearend W2s.

● Executed detailed job costing and revenue recognition for project-based services.

● Managed complex year-end General Ledger procedures to provide timely and accurate financial reports to the owner and CPA.

● Answered the phones, applied for necessary permits and requested utility locates . I was HR for all records, documentation and onboarding.

Independent Contract Bookkeeper (worked from home) April 2002 – October 2016 SIMPLY BOOKKEEPING/ROSE CITY BOOKKEEPING

Supported multiple client portfolios across diverse industries by implementing scalable financial processes for rapid-growth entities. Experienced across multiple industries.

● Maintained precise financial records for each client and managed intercompany journal entries and trust accounting.

● Collaborated with professional service clients to streamline payroll and benefit management using QuickBooks Enterprise and Excel.

● Supported client migrations to consolidated accounting structures, enhancing data integrity and improving month- end close efficiency by 20%.

● Maintained multi-client payroll and bookkeeping operations with a focus on data accuracy and GAAP compliance.

● Prepared detailed journal entries and account reconciliations to ensure the validity of financial records for monthly reporting.

● Supported the month-end close cycle for various business entities, resolving ledger variances through disciplined investigation.

● Managed business collections and A/R processes to improve client cash flow and financial stability. Education

Accounting-Business

Oregon State University and then at Clackamas Community College Additional Skills

Accounting & Finance: GAAP, Accounts Payable, Accounts Receivable, Reconciliations, Month-End Close, Journal Entries, Revenue Recognition, Intercompany Accounting, Payroll Accounting, Trust Accounting, General Ledger, Job Costing

Software & Technical: QuickBooks Enterprise, QuickBooks Online, QuickBooks Desktop, Excel

(Advanced), Microsoft Access, Microsoft Outlook, Microsoft Word Strategic Operations: Financial Forecasting, Budgeting, Financial Reports, Human Resources, Benefit Management, Business Collections, W2 & 1099 Processing, Office Management

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