Insights

Mid-Sized Niche Focus Castro & Company operates within the mid-sized accounting sector, serving federal government agencies with a personalized approach, presenting opportunities to tailor government contracting services, compliance consulting, and specialized advisory packages.

Strong Revenue Profile With annual revenues ranging from 100 million to 250 million dollars, Castro & Company demonstrates substantial financial stability, making it a reliable candidate for long-term strategic partnerships and premium service offerings.

Technology Adoption The firm's use of advanced tools like Alteryx, React, and Microsoft indicates a modern technology stack, suggesting openness to innovative solutions such as automation, data analytics, and cloud-based services to improve efficiency and expand capabilities.

Peer Review Excellence Receiving a pass rating with no internal quality control comments from the Virginia Society of CPAs showcases a high level of compliance and quality assurance, opening doors for sales of compliance management, audit technologies, and professional service solutions.

Growth Through Personalization Castro & Company emphasizes personalized, client-focused services, highlighting opportunities to introduce customized advisory, training, and consulting programs that complement their tailored approach and deepen client engagement.

Castro & Company Tech Stack

Castro & Company uses 8 technology products and services including Alteryx, Open Graph, Shopify, and more. Explore Castro & Company's tech stack below.

  • Alteryx
    Advanced Analytics And Data Science
  • Open Graph
    Content Management System
  • Shopify
    E-commerce
  • React
    Javascript Frameworks
  • Modernizr
    Javascript Libraries
  • Lodash
    Javascript Libraries
  • Microsoft
    Miscellaneous
  • X-XSS-Protection
    Security

Media & News

Castro & Company's Email Address Formats

Castro & Company uses at least 1 format(s):
Castro & Company Email FormatsExamplePercentage
FLast@castroco.comJDoe@castroco.com
48%
First.Last@castroco.comJohn.Doe@castroco.com
2%
FLast@castroco.comJDoe@castroco.com
48%
First.Last@castroco.comJohn.Doe@castroco.com
2%

Frequently Asked Questions

Where is Castro & Company's headquarters located?

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Castro & Company's main headquarters is located at 1635 King Street Alexandria, Virginia 22314 United States. The company has employees across 5 continents, including North AmericaAsiaSouth America.

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 February 2026, Castro & Company's annual revenue is estimated to be $540K.

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

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Castro & Company's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services 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 February 2026, Castro & Company has approximately 145 employees across 5 continents, including North AmericaAsiaSouth America. Key team members include Chief Executive Officer: D. B.Managing Partner: T. C.Partner: M. S.. 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 AlteryxOpen GraphShopifyReactModernizrLodashMicrosoftX-XSS-Protection.

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

AccountingVirginia, United States51-200 Employees

Castro & Company is an audit, advisory, and accounting services CPA Firm specializing in providing the full resources and quality expected from a larger CPA firm while not compromising in providing the personalized services of a smaller, more client-focused firm.

Our management team and staff have the dedication, knowledge, and trust to be a full-service firm offering a complete range of audit, advisory, and accounting services for Federal government agencies. Our corporate philosophy is based on partnering with our clients and acting as a trusted and value-added advisor always keeping independence in mind where applicable. We work with clients not only to complete the work that is requested but also to provide our ideas, recommendations, and experiences to bring about internal control process improvements that will be beneficial to the mission of the organization.

Castro & Company received a pass rating with no management comments on our system of internal quality controls from our most recent peer review certified by the Virginia Society of CPAs Peer Review Committee in February 2023.

You will not find a firm that is more responsive and dedicated to meeting your needs!

Section iconCompany Overview

Headquarters
1635 King Street Alexandria, Virginia 22314 United States
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 iconMedia & News

Section iconFunding & Financials

  • $100M$250M

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

Section iconFunding & Financials

  • $100M$250M

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

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