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Specializing in Federal
Government Contracting
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Castro & Company has over 15 Years’ Experience Almost Exclusively Providing Services to the Federal Government!

Who we are

Castro & Company is an audit, advisory, and accounting services CPA firm specializing in providing the personalized services of a small firm with the full resources and quality expected from a larger CPA firm

Castro & Company, located in the Washington, DC Metro area, specializes in providing services to the Federal Government. We hold a GSA Professional Services (PSS) Multiple Award Schedule GS-23F-0038U, and a One Acquisition Solution for Integrated Services (OASIS) Small Business Multiple Award Schedule, Indefinite Delivery Indefinite Quantity (IDIQ) contract.

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.

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

DID YOU KNOW?

Why have so many Federal Government agencies selected Castro?

Castro & Company is an AGA Corporate Partner

Castro & Company is a Corporate Partner of the Association of Government Accountants (AGA). The AGA is the premier association in advancing government accountability and serves government accountability professionals by providing quality education, fostering professional development and certification, and supporting standards and research to advance government accountability.

Being an AGA Corporate Partner gives Castro & Company a unique opportunity to partner with AGA and maximize our exposure to senior-level government accountability professionals on an exclusive basis and gives our firm the select opportunities to be involved in research studies and publications that promote outstanding government management practices.

“We are excited about being an AGA Corporate Partner. We have realized the benefits of the Corporate Partner Advisory Group (CPAG) with new contacts that we have been able to make and further opportunities to assist AGA in its mission to improve accountability across the government, including roles in the AGA CPAG Small Business Committee, Accounting and Auditing Committee, and Defense Working Group”, said Wayne Ference, CPA, Partner, Castro & Company.

Castro & Company Is a Member of the AICPA GAQC

Castro & Company is a member in good standing with the AICPA Government Audit Quality Center (GAQC). Our membership in the GAQC is a testament to our dedication to providing quality services to our clients. The GAQC promotes the importance of quality governmental audits and the value of such audits to purchasers of governmental audit services. GAQC is a voluntary membership center for CPA firms that perform governmental audits. Additionally, we are a licensed CPA firm in the State of Virginia and the District of Columbia.

why choose castro & Company?

Our clients are dedicated to serving the American people, and
we are dedicated to helping them accomplish their mission.

In an ocean of CPA firms, Castro & Company has become a recognized and respected name that is validated with repeatedly awarded contracts and re-awards. We provide audit, advisory, and accounting services that help our clients achieve transparency and accountability. Our extra effort is reflected in every detail of our work and commitment to our clients. This effort gets Castro & Company noticed, awarded, and recommended by Federal Government clients. Our drive and passion to serve the agencies, their staff, and the citizens they serve is unparalleled in the industry.

We Are Dedicated

We at Castro & Company are proud of our consistent dedication to provide the highest quality audit, advisory, and accounting services. Castro & Company has established and maintained a high level of client trust and confidence by having a strong customer focus with constant communication and coordination with our clients.

The firm you select is only as good as its people. Our team is comprised of experienced and dedicated professionals who are committed to providing efficient and effective services to exceed our clients’ needs. Our hands-on management approach places senior members of our team at the forefront servicing each client.

We recognize that each client is unique, and we listen to all of our clients and customize our resources to best address the business concerns and needs of each. In order to provide the highest quality services for our clients, we adhere to the highest professional standards of independence, competence, objectivity, and care. We always meet our deliverables, on time and budget, within contract requirements.

We Are Knowledgeable

Castro & Company’s philosophy of service is based on our commitment to our clients. Regardless of the size or scope of the engagement, we provide quality professional services ensured by the personal supervision of our firm’s experienced personnel. Our team, through their training, experience, and extensive knowledge of current regulations and industry standards are dedicated to responding to our client’s needs through quality work performed in a timely and cost-effective manner. In addition, we use an integrated project management approach that ensures the timely and efficient services from all team members.

At Castro & Company, we believe our work must always be of the highest quality. We continually update our procedures to reflect changes in the operating environments of our clients, and we provide a significant amount of training for our professionals. We are dedicated to maintaining these high standards within a framework in which our staff, both individually and collectively, exercise professional judgment in providing quality service to our clients. All Castro & Company staff possess the necessary capabilities and competence to perform engagements that comply with professional standards, regulatory and legal requirements, and enable the firm to issue reports that are appropriate and applicable to each situation and standard. It is the firm’s policy that all professional personnel comply with the continuing professional education (CPE) requirements of the AICPA, the Virginia State Board of Accountancy, GAO, and other regulatory agencies if applicable.

We Are Trusted

Castro & Company has established and maintained a high level of client trust and confidence by having a strong customer focus through the knowledge and concern for our client’s needs. Having direct access to a trusted advisor with the breadth and depth of capability and established experience provides your organization with a solid strategic partner to successfully meet your mission requirements and achieve a high level of customer satisfaction. We ensure all personnel understand the importance of protecting confidential, sensitive, and proprietary government information.

Castro & Company has developed an internal Quality Control System in accordance with AICPA requirements. It is the firm’s policy to promote a culture of quality that is pervasive throughout the firm’s operations through the development of its system of quality control. In maintaining a culture of quality, the firm emphasizes the importance of ethics and integrity in every decision that personnel make, particularly at the engagement level. Castro & Company’s quality assurance program includes both an annual internal inspection program as well as our participation in the AICPA tri-annual peer review process. Castro & Company received a pass rating with no management comments on our system of internal quality controls from our most recent peer review performed in 2017.

Our Leadership Team

Leadership is not a position or a title, it is action and example.

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Thomas Castro, CPA

Founder & Managing Partner

Mr. Thomas Castro has over 21 years of experience in public accounting with extensive experience providing Federal Government audit, advisory, and accounting services.

Wayne Ference, CPA

Partner

Mr. Wayne Ference has over 25 years of experience in public accounting, exclusively providing Federal Government audit, advisory, and accounting services, and is a Partner with Castro & Company.

Millie Seijo, CPA

Partner

Ms. Millie Seijo has over 19 years of experience in public accounting, with extensive experience providing Federal Government audit, advisory, and accounting services, and is a Partner with Castro & Company.

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Thomas Castro, CPA

Founder & Managing Partner

Mr. Thomas Castro has over 21 years of experience in public accounting with extensive experience providing Federal Government audit, advisory, and accounting services. As the Managing Partner of Castro & Company, he is primarily responsible for the firm's strategic direction, successful delivery of client services, overall project management and contract administration, final issuance of all deliverables and reports, business development, and quality assurance functions. Prior to founding Castro & Company, Mr. Castro worked with Ernst and Young's Public Sector practice.

Mr. Castro's extensive experience with Federal Government entities includes providing Chief Financial Officer's (CFO) Act financial statements along with compliance, program, contract, and performance audits, internal control and audit readiness assessments, financial statement analysis, and other assurance and financial management services for a variety of large/complex Federal Government clients to ensure compliance with Generally Accepted Government Auditing Standards.

Mr. Castro is a graduate of the University of Puerto Rico where he earned a Bachelor's of Science degree in Accounting. Mr. Castro is a Certified Public Accountant and Certified Internal Controls Auditor and a member of the American Institute of Certified Public Accountants (AICPA), American Society of Military Comptrollers (ASMC), and the Association of Government Accountants (AGA).

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WAYNE FERENCE, CPA

Partner

Mr. Wayne Ference has over 25 years of experience in public accounting, exclusively providing Federal Government audit, advisory, and accounting services, and is a Partner with Castro & Company. He is responsible for successful delivery of client services, overall project management, final issuance of all deliverables and reports, business development, and quality assurance functions. Prior to joining Castro & Company, Mr. Ference served for more than 16 years in a variety of roles with UHY Advisors, Inc. (formerly known as Urbach Kahn & Werlin LLP), KPMG LLP, and Foxx & Company CPA's Public Sector practices.

With comprehensive experience working with Federal Government entities, Mr. Ference is able to provide Chief Financial Officer's (CFO) Act financial statements along with compliance, program, contract, and performance audits, internal control and audit readiness assessments, financial statement analysis, and other assurance and financial management services for a variety of large/complex Federal Government clients to ensure compliance with Generally Accepted Government Auditing Standards.

Mr. Ference is a graduate of the University of Maryland where he earned a Bachelor's of Science degree in Accounting. Mr. Ference is a Certified Public Accountant and Certified Internal Controls Auditor and holds membership with the American Institute of Certified Public Accountants (AICPA), the Association of Government Accountants (AGA), and the American Society of Military Comptrollers (ASMC).

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MILLIE SEIJO, CPA

Partner

Ms. Millie Seijo has over 19 years of experience in public accounting, with extensive experience providing Federal Government audit, advisory, and accounting services, and is a Partner with Castro & Company. She is responsible for successful delivery of client services, engagement management, and issuance of deliverables and reports. Prior to joining Castro & Company, Ms. Seijo served for more than 10 years in a variety of roles with UHY Advisors, Inc. (formerly known as Urbach Kahn & Werlin LLP) and KPMG LLP's Public Sector practices.

As a proven provider of financial management services to a variety of large/complex Federal Government clients, Ms. Seijo ensures compliance with Generally Accepted Government Auditing Standards. Her broad experience with Federal Government entities includes providing Chief Financial Officer's (CFO) Act financial statements along with compliance, program, contract, and performance audits, internal control and audit readiness assessments, financial statement analysis.

Ms. Seijo is a graduate of Florida Atlantic University where she earned a Bachelor's of Science degree in Accounting. Ms. Seijo is a Certified Public Accountant and Certified Internal Controls Auditor and is a member of the American Institute of Certified Public Accountants (AICPA), the Association of Government Accountants (AGA), and the American Society of Military Comptrollers (ASMC).