IT Services
Trusted IT Advisory
Castro & Company provides trusted information Technology (IT) advisory and audit services that help organizations strengthen controls, protect critical systems, and meet complex regulatory requirements. With more than 20+ years of experience supporting Federal Government agencies, we bring a deep understanding of IT governance, cybersecurity, and compliance; paired with a practical, mission-focused approach and outcomes.
- Enterprise Governance – Our solutions are designed to support strategic objectives, not just tactical tasks, aligning with frameworks such as NIST RMF, NIST CSF, FISMA, and OMB A-123.
- Operation Efficiency – We integrate governance and cyber operations to streamline processes, automate workflows, and reduce manual effort.
- Mission Enablement – Our ultimate goal is to strengthen your cybersecurity posture, improve compliance maturity, and achieve mission-aligned outcomes.
Our IT professionals work alongside leadership, CIOs, and Inspectors General to assess risk, improve security posture, and ensure IT environments support organizational goals. In a crowded marketplace of professional services firms, Castro & Company is recognized for delivering consistent results, earning repeat business, and serving as a reliable partner to our clients.
Holistic Risk Management
Unlike firms that focus solely on technical implementation, Castro brings a holistic Risk Management mindset rooted in enterprise governance, operational efficiency, and mission enablement.
Our differentiator – our team’s foundation as assessors and auditors gives us a distinctive advantage. We have observed cybersecurity, IT operations, and governance programs across multiple agencies, enabling us to identify systemic weaknesses and recognize proven practices.
Our IT Capabilities
We deliver end-to-end IT advisory and audit services, including:
Cybersecurity & Risk Management
- NIST Risk Management Framework (RMF)
- IT security assessments
- Cloud security
- Zero Trust assessments and implementation support
- Third party risk management
Enterprise Risk & Governance
- Enterprise Risk Management (ERM)
- IT controls evaluation and optimization
- Governance, risk, and compliance (GRC) implementation and support
IT Program & Project Support
- IT project management
- Systems and controls documentation
- Ongoing compliance and oversight support
IT Audit & Assurance
- FISCAM audits
- Audit readiness, support, and sustainment
- OMB A-123 IT testing
- FISMA CIO and IG reporting
What our clients are saying about us!
High Level of Professionalism
Castro exhibited high level of professionalism, project management skills and outstanding communication. Castro management is extremely cooperative and always professional and positive. Responsive and positive attitude were their trademarks.
Ahead of Schedule with Perfect Quality
Castro consistently delivers work products on time as scheduled or ahead of deadlines. All contract requirements within base year have been delivered ahead of schedule and with perfect quality, not requiring rework.
Consistently High Quality
Castro works independently, fast, and does not require direction (technical or otherwise) from IRS Program Manager. Their work products / deliverables are consistently of a high quality and do not require re-work or modifications.
Thorough Knowledge
Castro performed tasks within scope of the contract, with quality of deliverables exceeding expectations, demonstrating thorough knowledge in subject matter of audit and compliance industry standards, specifically deep knowledge in Cybersecurity Management Framework.
Highly Recommended
The contractor is highly recommended for future engagements based on this performance.
Technical Competency & Quality
During the rating period, Castro & Company’s technical ability and the quality level of its audit reports motivated {the Agency} to enthusiastically exercise the options under the {Agency} IDIQ contract with Castro. The Contractor continued to exhibit a high degree of contract audit technical competency and quality in the execution of each task order for incurred cost audits.
Get in Touch
Accounting: 541219
Auditing: 541211
Advisory: 541611
Other Management Advisory Services : 541618
Office Administrative Services: 561110
Other Computer Related Services : 541519
CAGE CODE: 4A8D6
DUNS Number: 619053411