Insights

Federal Hubs Castro & Company has explicit focus on serving Federal government agencies, including a notable win with NASA. This suggests a ready audience for audit, advisory, and IT services tailored to government compliance, internal controls, and mission-critical systems.

Quality and Independence Their pass rating on internal quality controls from a recent peer review reinforces credibility in risk management and compliance. This can be leveraged to position as a trusted advisor for governance, risk, and internal control improvements to prospective clients seeking stability and impartiality.

Tech Enablement A diverse tech stack (Alteryx, Power BI, Hyperion, ServiceNow, SharePoint, Microsoft 365) indicates readiness to modernize data analytics, reporting, and IT operations. This opens opportunities for IT-enabled audits, data-driven advisory, and security/compliance enhancements.

Scale Fit Revenue scale ($100M-$250M) and mid-sized firm profile (51-200 employees) position Castro & Company as a cost-effective, high-service alternative to larger firms for mid-market and government-contracting entities looking for personalized attention with enterprise capabilities.

Strategic Growth Recent government contract activity and the capability to offer full-service audit, advisory, and IT services create upsell opportunities across existing clients for expanded internal controls, IT audits, cybersecurity posture, and advisory on process improvements aligned with mission goals.

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Castro & Company Tech Stack

Castro & Company uses 8 technology products and services including Alteryx, Canva, Power BI, and more. Explore Castro & Company's tech stack below.

Castro & Company's Email Address Formats

Castro & Company uses at least 2 email formats:
Castro & Company Email FormatsExamplePercentage
FLast@castroco.comJDoe@castroco.com
97%
First.Last@castroco.comJohn.Doe@castroco.com
3%

Frequently Asked Questions

What is Castro & Company's phone number?

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You can contact Castro & Company's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Castro & Company's official website and social media links?

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Castro & Company's official website is castroco.com and has social profiles on LinkedIn.

How much revenue does Castro & Company generate?

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As of August 2026, Castro & Company's annual revenue is estimated to be $100M - $250M.

What is Castro & Company's SIC code and NAICS code?

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Castro & Company's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services and NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Castro & Company have currently?

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As of August 2026, Castro & Company has approximately 153 employees across 4 continents, including North America, Asia and South America. Key team members include Chief Executive Officer: D. B., Managing Partner: T. C. and Director It Risk Advisory: D. B. Explore Castro & Company's employee directory with LeadIQ.

What industry does Castro & Company belong to?

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Castro & Company operates in the Accounting industry.

What technology does Castro & Company use?

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Castro & Company's tech stack includes Alteryx, Canva, Power BI, Sucuri, Microsoft SharePoint, Hyperion, Microsoft 365 and ServiceNow.

What is Castro & Company's email format?

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Castro & Company's email format typically follows the pattern of FLast@castroco.com. Find more Castro & Company email formats with LeadIQ.

When was Castro & Company founded?

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Castro & Company was founded in 2004.
Castro & Company logo

Castro & Company

AccountingVirginia, United States51-200 Employees

Castro & Company is a mid-sized CPA firm offering audit, advisory, and IT services, designed to combine the scale of a larger practice with the personalized attention of a smaller, client-focused firm. It concentrates on serving federal government agencies, delivering a full range of audit, advisory, and accounting work while maintaining independence where applicable and acting as a trusted advisor to improve internal control processes that support mission objectives.

The firm is based in Alexandria, Virginia, and operates within the accounting sector to serve government clients. In February 2023, NASA announced Castro & Company as a new client, reflecting recognition within federal government contracting. A February 2023 peer review by the Virginia Society of CPAs reported a pass rating with no management comments on Castro & Company's system of internal quality controls.

Section iconCompany Overview

Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
2004
Employees
51-200

Section iconFunding & Financials

  • $100M - $250M

    Castro & Company's revenue is estimated to be in the range of $100M - $250M

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