Olgamaria Alvarado, CPA

New York / Remote Office

Olga's Tax Experience

Snapshot and Years of Experience

Olgamaria, “Olga”, Alvarado has over 15 years of experience as a tax professional within the New York Metro area.  She has worked in Big 4 public accounting, industry, and most recently as Associate Director to a large multinational company.  Olga has broad knowledge allowing her to handle wide-ranging tax projects and provide strong management within a tax department.

Tax Expertise

  • Managed 10-Q and 10-K US GAAP accounting for income taxes and worldwide effective tax rate (ETR).
  • Managed the preparation of annual and quarterly ASC 740 computations and deferred tax roll forwards on a global basis.
  • Managed audits ranging from international to state while coordinating with the IRS, planned the audit, responded to requests, and prepared formal communications.
  • Managed and implemented OneSource Tax Provision Software, along with technology improvements to streamline quarterly and annual close processes while mitigating reporting risks.
  • Collaborated on transfer pricing projects to determine forecasted pretax income for controlled foreign corporations based on entity function.
  • Prepared and reviewed Code Section 163j computations on a quarterly basis.
  • Supervised the in-house preparation of U.S. Corporate tax returns, extensions, and quarterly estimates.
  • Prepared and maintained Sarbanes-Oxley documentation to ensure compliance and assisted with internal controls.
  • Managed the return preparation process, trained staff, researched and documented tax positions, quarterly estimates, projections, etc.

Tax Technology Experience

  • OneSource
  • SAP enterprise software
  • Oracle SmartView
  • OneStream
  • SharePoint / Microsoft Teams

Previous Work Experience

  • PwC, LLP.
  • Novartis Services, Inc.
  • Merck Pharmaceuticals


  • Master of Science,
    Professional Accounting

    Seton Hall University –
    Stillman School of Business
  • Bachelor of Science,

    Seton Hall University –
    Stillman School of Business
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