Castro & Co Anniversary

Delivering high-quality federal audits through trusted processes

Audit Services

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Transformative decision-making begins with coherent, accurate data.

For decades, Castro & Company has specialized in delivering comprehensive financial audits, performance audits, and attestation engagements that adhere to Government Auditing Standards (the Yellow Book).

Our client-centric approach is adaptable to the unique requirements of civilian agencies and the defense community yet maintains our steadfast commitment to excellence. 

Our Audit & Attest Services

Castro & Company has significant experience performing Federal audits in accordance with Government Auditing Standards (the Yellow Book). We have extensive knowledge of Federal audit and accounting regulations and standards.

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Accounting: 541219
Auditing: 541211
Advisory: 541611

Other Management Advisory Services : 541618
Office Administrative Services: 561110
Other Computer Related Services : 541519

DUNS Number: 619053411