GovChime
UEI: DY99JHPK2J89 • CAGE: 4TV24

ENTROPYZERO CONSULTING, LLC (VA)

Registration and award facts

SAM.gov registration as of

Net obligations since FY2023
$0
under this UEI
FY2026 obligations
$0
Provisional
Awards and orders
0
with positive net obligations1 IDV vehicle held
Latest action
Aug 5, 2026
SAM.gov registration
Active
Registration expiration date Dec 9, 2026

Registration

Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Jun 1, 2005 (21 years)
Location
Herndon, VA
State of incorporation
Virginia
Website
ent0.com

† FY2026 obligations (provisional; DoD awards signed after Jul 26, 2026 are not yet public).

All federal contractors in VirginiaHow these figures are built

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI DY99JHPK2J89. GovChime does not check exclusions.

Performance

Capabilities

NAICS codes

Small: small business for that NAICS, self-certified in SAM.gov registration.

SBA certifications

No certification in the SBA profile data.

Federal Capability Statement

EntropyZero Consulting is a boutique software engineering consultancy with experience delivering modern software and software engineering solutions to government and commercial clients. We specialize in designing, building, and delivering highly scalable enterprise applications on a variety of platforms. Some of our core capabilities include: web application design and implementation with the .NET and Python platforms; .NET application development in C#; Ruby on Rails application development; Elasticsearch integration; ASP.NET web services; continuous integration - NAnt, Bamboo, TFS, Git, Travis CI; cloud-based systems with Amazon Web Services and Microsoft Azure; system architecture development, review, and analysis; Agile team leadership and delivery; application and database performance tuning; and SharePoint application development.

Capabilities & Services

software design
software engineering
application design
application performance tuning
system architecture development
decoupled application development
enterprise scale application development
DevSecOps implementation
Elasticsearch integration
ASP.NET web services
database design
database management
database performance tuning
data engineering
data migration
data modeling
data warehousing
data analysis
data visualization
agile delivery
agile team leadership
C# development

Contracts

Latest awards and orders

  1. 47QTCA23D009AFederal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action

Contact Info

As of . Source: SAM.gov Points of Contact.

SAM.gov registration for ENTROPYZERO CONSULTING, LLC lists a physical address and a separate mailing address, along with 5 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.

Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).

Physical Address

205 VAN BUREN ST STE 120

HERNDON, VA, 20170

USA

Mailing Address

PO BOX 339

HAMILTON, VA, 20159

USA

Government Business Contact

ELIZABETH BRANNAN

205 VAN BUREN ST

STE 120

HERNDON, VA, 20170

USA

Electronic Business Contact

STEVEN BUXTON

205 VAN BUREN ST

STE 120

HERNDON, VA, 20170

USA

Past Performance Contact

Elizabeth Brannan

205 Van Buren St

Ste 120

Herndon, VA, 20170

USA

Government Business Alternate Contact

ELIZABETH BRANNAN

205 VAN BUREN ST

STE 120

HERNDON, VA, 20170

USA

Past Performance Alternate Contact

0001 541519YY N

0000

0000

E&Y

Additional Details

As of . Source: SAM.gov Entity Registration.

ENTROPYZERO CONSULTING, LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires December 9, 2026.

Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.

Compliance & Risk Assessment

Source: SAM.gov FAR responses

Suspension/Debarment Status

SAM.gov registration reports no active exclusion

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Not registered for disaster relief

Bonding Information

No bonding information provided

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization
Organization:Limited Liability Company

Registration Details

Source: SAM.gov

Initial Registration

Jul 26, 2007

Last Update

Dec 9, 2025

Registration Activation

Active — Dec 9, 2025

Fiscal Year End

1231

Country of Incorporation

USA

Congressional District

11

Other contractors in Virginia with primary NAICS 541511