Castro & Co 20th Anniversary

Dedicated Knowledgeable Trusted

An accomplished CPA firm that works across the Federal Government

Our Services

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Castro & Company clients benefit from our years of experience performing Federal audits per Government Auditing Standards (the Yellow Book).

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Based on a winning formula, our advisory services will help you meet your agency or organization’s objectives through tailored and optimized feedback.

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Our personnel are well-versed in the intricacies of Federal accounting requirements, and our knowledge is evident in our work. 

Who We Are

Fully committed to and experienced in delivering effective business solutions to Federal agencies, Castro & Company is a comprehensive CPA firm.

Our specialization lies in personalized audit, advisory, and accounting services, complemented by the high standards and resources associated with larger firms. Our dedication to clients and reverence to the American people are reflected in every aspect of our work.

Departments and Agencies We Serve

Client Service is Our Top Priority & It Shows

We’ve been providing audit, advisory, and accounting services to the Federal Government for over 20 years, read more about our clients.

NAICS Codes:

541219: Budgeting and Financial Management Services

541211: Auditing Services

541611: Management & Financial Consulting, Acquisition & Grants Management Support, & Business Program & Project Management Services

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A CPA firm is only as good as its people. We proudly cultivate an environment of collaboration, encouragement, and diversity. Those seeking a fulfilling, challenging, and rewarding career will find one at Castro & Company.

What our clients are saying about us!

Industry Insights

Aug 01

In this age of rapid technological advancement, artificial intelligence has started to play a significant role in various fields including the realm of public accounting.

Apr 23

Imagine a workplace where it doesn’t matter the color of your skin, ethnicity, gender, age, culture, or physical limitations. A place where you’re celebrated for

Apr 22

NASA awarded contracts to six companies, including Castro & Company to provide agency-wide contract auditing support services.