Castro & Company Tech Stack

Federal government audit, advisory, and IT services firm

Accounting Alexandria, VA 51–200 employees Founded 2004 Privately Held

Castro & Company is a CPA firm focused on federal government clients, offering audit, advisory, and IT services built around compliance frameworks (NIST, OMB Circular A-123, CMMC). The tech stack is deliberately minimal—Excel, Office, AWS, Access, and governance standards—reflecting the compliance-audit business model rather than product development. Hiring is finance-heavy (14 roles) with meaningful security additions (4 roles), indicating an effort to deepen IT audit and cybersecurity compliance capabilities.

Tech Stack 12 technologies

Core StackAWS Power Apps Excel PowerPoint Word Microsoft Office Microsoft Access NIST COBIT Windows NIST Cybersecurity Framework NIST Risk Management Framework

What Castro & Company Is Building

◆Challenges

Compliance with nist and cmmc standards
Audit problems and process improvements
Complex audit engagements
Audit challenges
Audit problem resolution
Contract cost verification
Improper payment testing
Internal controls over financial reporting
Compliance with omb circular a-123
Internal control testing

▲Active Projects

Appendix a internal control testing
Improper payment risk assessment
Nist 800-53 compliance
Financial statement audit engagements for federal clients
Contract audit assignments
Performance audit projects
Appendix c improper payment testing
Omb circular a-123 compliance
Major consulting workstream
Fraud risk management and control development activities

Hiring Activity

Steady20 roles · 6 in 30d

Department

Finance

Security

Audit

Seniority

Senior

Junior

Manager

Staff

Intern

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About Castro & Company

Castro & Company operates as a mid-sized CPA firm headquartered in Alexandria, VA, specializing in audit and advisory services for federal government agencies. The firm delivers CFO Act audits, financial statement audits, performance audits, and internal control compliance work—anchored to government standards like NIST and OMB Circular A-123. Across 51–200 employees, the firm combines traditional accounting operations support with growing IT audit and cybersecurity capabilities. Castro & Company received a clean peer review certification in February 2023 and positions itself as a full-service alternative to larger firms, emphasizing responsiveness and client-focused advisory.

HeadquartersAlexandria, VA

Company Size51–200 employees

Founded2004

Hiring MarketsUnited States

Frequently Asked Questions

What does Castro & Company specialize in?

Audit, advisory, and IT services for federal government agencies. Specializations include CFO Act audits, financial statement audits, OMB Circular A-123 compliance, performance audits, IT audits, and cybersecurity compliance (NIST, CMMC).

What tech tools does Castro & Company use?

Primary tools: Excel, PowerPoint, Word, AWS, and Microsoft Access. Compliance frameworks: NIST, NIST Cybersecurity Framework, NIST Risk Management Framework, and COBIT. Also uses Power Apps for internal applications.