Federal contractor profile

CASTRO & COMPANY, LLC

UEI CVK4HL3P5D54CAGE 4A8D6Company website ↗

Active
Small Business

Overview

Legal name
CASTRO & COMPANY, LLC
Registered location
ALEXANDRIA, VA, USA
Website
Company website ↗
Primary NAICS
541211 — Offices of Certified Public Accountants
Latest award activity
Sep 10, 2026
Read company summary

CASTRO & COMPANY, LLC is associated with UEI CVK4HL3P5D54 and CAGE 4A8D6 in public federal records. AcornBids currently links 58 prime awards totaling $65.9M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Other Accounting Services; Offices of Certified Public Accountants; Human Resources Consulting Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541211 (Offices of Certified Public Accountants). Its public SAM.gov registration lists ALEXANDRIA, VA, USA.

At a glance

Lifetime prime obligations$65.9M
Prime awards58
Awards with future end dates34
Top-agency concentration28.8%

Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 8, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name
CASTRO & COMPANY, LLC
UEI
CVK4HL3P5D54
CAGE
4A8D6
Registered address
1635 KING ST, ALEXANDRIA, VA, 22314, USA
Registration status
Active
Primary NAICS
541211 — Offices of Certified Public Accountants
SAM activation
Jan 16, 2026
Initial registration
Feb 3, 2006
Entity start
Jan 27, 2004
SAM updated
Jan 16, 2026
Registration expires
Jan 14, 2027
Fiscal year end
Dec 31
Place of incorporation
VA, USA

View SAM.gov source

Research brief

Source facts

  • Loaded prime-award records link 58 awards and $65,944,405 in reported obligations to this legal entity. Source
  • Recorded awards include Other Accounting Services (NAICS 541219); this classification is not proof of every company capability. Source
  • An example award describes: SEE SCHEDULE Source

Federal award analysis

Net transaction obligations by federal fiscal period.

Selected transaction obligations$51.3M
Prime contracts

Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 58 of 58 selected awards. Select a period to explore its awards.

Funding change

Dated, valued transaction obligations in equal-length adjacent periods; missing records are unknown. Default: last completed federal fiscal year. Percentage is unavailable when the prior period has no positive reported obligations.

MeasureReported value
Current periodOct 1, 2025 – Sep 30, 2026
Current obligations$10.4M
Prior periodOct 1, 2024 – Sep 30, 2025
Prior obligations$14.8M
Change$-4.4M
Growth-29.9%

Where the work is performed

AKMEVTNHWAIDMTNDMNWIMINYMAORNVWYSDIAILINOHPANJCTRICAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL

State tile map; darker tiles have larger absolute net obligations. Outlined tiles indicate net deobligations. Unshaded tiles have no reported transactions in this selection. Other locations appear in the table.

Agencies
Offices
Naics
Psc
Vehicles
States
CategoryPeriod obligationsAwards
VA$31.0M29
DC$14.6M23
MD$4.6M5
IL$1.0M1
Set Asides
CategoryPeriod obligationsAwards
Unclassified$29.1M44
SMALL BUSINESS SET ASIDE - TOTAL$22.1M14

Recent federal awards

Prime contract awards. Select an award to review its history and source evidence.

Award / descriptionAwarding agencyObligationsStart dateEnd date
95332425F0052SEE SCHEDULEMillennium Challenge Corporation$502.1KMay 11, 2025May 29, 2026
70VT1526F00024ACQUIRE CONTRACTOR SUPPORT TO CONDUCT REVIEW OF THE INTERNAL CONTROLS OVER THE PREPARATION AND EXECUTION OF SPEND PLANS. APPROVED SEC. 2(D)Department of Homeland Security$50.3KAug 10, 2026Aug 9, 2027
70VT1526F00023ACQUIRE CONTRACTOR SUPPORT SERVICES TO CONDUCT A REVIEW OVER THE INTERNAL CONTROLS SPEND PLANS. APPROVED SEC. 2(D)Department of Homeland Security$54.0KAug 10, 2026Aug 9, 2027
80NSSC26FA618TASK ORDER #97 IS TO ACQUIRE CONTRACT AUDIT SUPPORT SERVICES IN SUPPORT OF THE NASA HEADQUARTERS OFFICE OF PROCUREMENTNational Aeronautics and Space Administration$77.5KNov 17, 2026Nov 16, 2027
9523ZY22F0070CFTC FISCAL MANUAL AND FISCAL CONTROLSCommodity Futures Trading Commission$2.8MSep 19, 2022Sep 18, 2027
80NSSC25FA473THE PURPOSE OF TASK ORDER #74 IS TO ACQUIRE CONTRACT AUDIT SUPPORT SERVICES IN SUPPORT OF THE NASA HEADQUARTERS OFFICE OF PROCUREMENT IN ACCORDANCE WITH THE ATTACHED STATEMENT OF…National Aeronautics and Space Administration$0Jul 11, 2025Aug 11, 2026
16PBGC24M0017INTERNAL ASSESSMENT CONTROLS SERVICESPension Benefit Guaranty Corporation$4.0MMay 16, 2024May 15, 2027
75P00120F37004CALL ORDER FOR CASTRO MULTIPLE ACCOUNTING TASK AREAS. COMPETED ACTION WITHIN MULTI-AWARD BPA.Department of Health and Human Services$2.1MAug 14, 2020Dec 2, 2022
1331L526F13041176INTERNAL QUALITY REVIEW AUDITSDepartment of Commerce$59.3KSep 1, 2026Aug 31, 2027
693JK326F00011NFY2026 A-123 ASSESSMENT PHMSA FROM OSTDepartment of Transportation$266.0KJul 24, 2026Jul 24, 2028

Upcoming positioning windows

Modeled recompete windows are estimates, not announced solicitations or guarantees.

DCAA IPA SERIVCES
Department of Defense$258.8K obligationsEnds Jun 12, 202785% recompete estimate

Registration, certifications & contacts

Registration evidenceDate
SAM updatedJan 16, 2026
Source loadedSep 26, 2026
Initial registrationFeb 3, 2006
Entity startJan 27, 2004

Registration classifications: Small Business. These are separate from the reported certificates above.

IndustryReported size status
522320 — Financial Transactions Processing, Reserve, and Clearinghouse ActivitiesNot reported
541211 — Offices of Certified Public AccountantsNot reported
541219 — Other Accounting ServicesNot reported
541512 — Computer Systems Design ServicesNot reported
541519 — Other Computer Related ServicesNot reported
541611 — Administrative Management and General Management Consulting ServicesNot reported
541618 — Other Management Consulting ServicesNot reported
541690 — Other Scientific and Technical Consulting ServicesNot reported
541720 — Research and Development in the Social Sciences and HumanitiesNot reported
541990 — All Other Professional, Scientific, and Technical ServicesNot reported
ContactRolePublished contact methodsEvidenceSource date
THOMAS CASTROGovernment businessContact method not publishedSAM registrationNot available
WAYNE FERENCEAlternate government businessContact method not publishedSAM registrationNot available
THOMAS CASTROElectronic businessContact method not publishedSAM registrationNot available
WAYNE FERENCEAlternate electronic businessContact method not publishedSAM registrationNot available
Gabriel FryContractor contract managergfry@castroco.comSourceOct 1, 2026
Stephanie IrbyContractor program managersirby@castroco.comSourceOct 1, 2026
Registered industries
  • 522320 — Financial Transactions Processing, Reserve, and Clearinghouse Activities
  • 541211 — Offices of Certified Public Accountants
  • 541219 — Other Accounting Services
  • 541512 — Computer Systems Design Services
  • 541519 — Other Computer Related Services
  • 541611 — Administrative Management and General Management Consulting Services
  • 541618 — Other Management Consulting Services
  • 541690 — Other Scientific and Technical Consulting Services
  • 541720 — Research and Development in the Social Sciences and Humanities
  • 541990 — All Other Professional, Scientific, and Technical Services
Registered products and services
  • B547 — Accounting/Financial Management Studies
  • B599 — Other Special Studies and Analysis
  • R408 — Program Management/Support Services
  • R499 — Other Professional Services
  • R699 — Other Administrative Support Services
  • R703 — Accounting Services (NOTE: New code created for Financial Services See R710 below)
  • R704 — Auditing Services
  • R707 — Contract, Procurement, and Acquisition Support Services
  • R710 — Financial Services (includes credit card services and any other financial services. See revision to description for code R703 above)

Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source

Contract vehicle holdings

Reported holders; a parent award identifier alone is not proof of a current vehicle seat.

VehicleReported statusOrdering endsEvidence
OASIS+SB — 47QRCA25DS218activeNot availableSource

Related companies worth researching

Explore the customer, work and award-size evidence behind each match.

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3 shared agency customer(s); Shared work: 541211 — Offices of Certified Public Accountants, 541219 — Other Accounting Services; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
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3 shared agency customer(s); Shared work: 541211 — Offices of Certified Public Accountants, 541219 — Other Accounting Services. Counts and amounts describe sampled matching awards, not the company’s full history.
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Data coverage and methodology

Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.

Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.

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