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Accounting Firm

Castro & Company LLC

Alexandria, Virginia CPA firm providing audit, advisory and accounting services to US federal agencies

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TrustList summary

Castro & Company LLC is a certified public accounting firm in Alexandria, Virginia, whose work centres on the US federal government. It audits federal agencies under Government Auditing Standards, known as the Yellow Book, and offers advisory and accounting help shaped to each agency's requirements.

Products and services

  • Federal audits: financial audits carried out under Government Auditing Standards.
  • Advisory services: work fitted to the specific goals and requirements of each agency.
  • Accounting services: support grounded in federal accounting requirements.
  • Quality control: an internal quality control system built to AICPA requirements, with ongoing staff training.

Who it serves

Most of its clients are federal government agencies. It says it pairs the personal attention of a small firm with the resources expected of a larger one, and it was among six companies awarded NASA contracts.

Key facts

  • Based in: Alexandria, Virginia
  • Focus: federal government audit and accounting
  • Standards: Yellow Book audits; AICPA quality control

Summary written by TrustList from the business's own published information, Sep 2026.

Rankings

Castro & Company LLC is ranked on 1 TrustList ranking at #47.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Castro & Company LLC has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Accounting firm · 1 ranking

  • #47of 28
    Virginia

    Its profile: “Castro & Company LLC is a certified public accounting firm in Alexandria, Virginia, whose work centres on the US federal government.”

    Of the 28 here, 33 also cover tax and 29 also cover accounting; 8 also work in Washington and 6 also work in Maryland.

    Behind CarterHutchings, LLC, ahead of Creedle, Jones & Alga, P.C..

As of 2026-11-01. Organic ranks only; sponsored placements are never ranks. How TrustList ranks

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