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H D SCIENCE LIMITED

Parent1 subsidiaryUEI: YJXBDX9NF7N7

H D SCIENCE LIMITED is a federal contractor, registered under UEI YJXBDX9NF7N7. It has been awarded $74,447 in federal contracts. Primary work spans Other Scientific and Technical Consulting Services. Top awarding agencies include Department Of Commerce.

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Registration and classification details

Registration

UEI Code

YJXBDX9NF7N7

Subsidiaries

1 company rolls up into H D SCIENCE LIMITED, sized by each one's own awards

Award distribution

$483.4K

H D Science Limited$483.4K

1H D Science LimitedUEI S7CCMLWSK9Y5$483.4K100.0%

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DBE Subconsultant Opportunity – AARC Consultants

Solicitation # dbe-subconsultant-opportunity-aarc-consultants

AARC Consultants, LLC

POSTED

about 8 hours ago

DEADLINE

Cybersecurity & Data Privacy ComplianceThis subcontract opportunity with the City of Augusta in Georgia focuses on providing cybersecurity audits and data privacy compliance for prime contractors involved in the city's fuel card program projects. The selected provider will be responsible for implementing rigorous data security protocols and ensuring all operations adhere to financial data standards, specifically PCI DSS. Key deliverables include the creation of comprehensive cybersecurity and fraud prevention documentation and the maintenance of a secure data environment. Interested parties should note the response deadline of November 12, 2026, and the classification of the work under NAICS code 541690.

City of Augusta

POSTED

about 14 hours ago

DEADLINE

GRC Security and Compliance AuditorThe GRC Security and Compliance Auditor subcontract for the Texas State Technical College System focuses on providing critical security monitoring and compliance auditing for prime contractors. The scope of work includes managing encryption, access controls, and vulnerability management, while ensuring strict adherence to FERPA, TX-RAMP, and TAC 206/213 regulations. Additionally, the contractor is responsible for developing disaster recovery and business continuity plans through the use of audit logging tools and vulnerability scanners, ultimately delivering comprehensive security audit reports and compliance certifications. This opportunity is categorized under NAICS code 541690 and was posted on October 20, 2026. Interested parties must submit their responses by the deadline of November 10, 2026. The contract is managed through the Texas State Technical College System and is listed on the Texas SmartBuy portal.

Texas State Technical College System

POSTED

about 17 hours ago

DEADLINE

Demographic Analyst / LEP SpecialistThis subcontract opportunity for a Demographic Analyst / LEP Specialist supports the City of Fairfax Title VI Program in Virginia. The selected contractor will be responsible for analyzing population data for prime contractors, specifically reviewing and updating demographic and language information. By utilizing U.S. Census Bureau and American Community Survey datasets along with specialized data analysis software, the contractor will perform Limited English Proficiency assessments and identify key outreach populations. The primary deliverables for this engagement include updated demographic profiles and comprehensive LEP assessment reports. Interested parties should note that the solicitation was posted on October 20, 2026, with a response deadline of November 10, 2026. The work falls under NAICS code 541690 and will be performed within the City of Fairfax.

City of Fairfax

POSTED

about 22 hours ago

DEADLINE

Medical Equipment Asset AuditorThe Medical Equipment Asset Auditor subcontract involves performing physical and digital audits of existing medical equipment for prime contractors working on Frimley Health NHS Foundation Trust projects. The primary objective is to verify the condition, age, and technical specifications of assets to ensure they align with new hospital design requirements. This process requires the use of asset tagging and valuation tools to produce a detailed Inventory List and a Comprehensive Asset Audit Report. Qualified candidates must hold certification in Clinical Engineering or Health Technical Memoranda. The opportunity was posted on October 20, 2026, with a response deadline of November 16, 2026. This engagement falls under NAICS code 541690 and is specifically designed to support the infrastructure and equipment mapping needs of the Frimley Health NHS Foundation Trust.

Frimley Health NHS Foundation Trust

POSTED

about 22 hours ago

DEADLINE

Archaeological Technical Support & ReportingThis subcontract for Archaeological Technical Support and Reporting involves providing administrative and technical assistance to prime contractors working on City of Delta infrastructure projects. The selected provider will be responsible for drafting Archaeological Overview Assessments and Preliminary Field Reconnaissance reports, as well as preparing documentation for Site Alteration Permits and Multi Assessment Permits. A critical component of the role includes coordinating with the Provincial Archaeology Branch and ensuring all work complies with the Heritage Conservation Act. The contract requires the delivery of completed permit applications and final archaeological reports. Interested parties should note that the response deadline is November 16, 2026. The project falls under NAICS code 541690 and is associated with the City of Delta and the Province of British Columbia.

POSTED

about 22 hours ago

DEADLINE

Archaeology Consulting Services

Solicitation # 26-122

The City of Delta is issuing solicitation 26-122 to establish a shortlist of qualified archaeology firms to provide professional consulting services on an as-and-when-requested basis. The scope of work includes archaeological investigation, monitoring, reporting, and permitting for various infrastructure and development projects, such as road upgrades and utility replacements, within the City of Delta. All services must comply with the Heritage Conservation Act, and firms must demonstrate eligibility to hold provincial permits, including Multi Assessment Permits and Site Alteration Permits. Key deliverables involve field assessments, coordination with the Provincial Archaeology Branch and First Nations, and the provision of heritage management training for City staff. The selection process utilizes a two-stage qualification method. To be considered, respondents must meet all mandatory criteria, including the timely submission of a signed Proposal Covering Letter. Qualified firms will be evaluated based on proponent capability and experience (50%), methodology (25%), and fees (25%), with minimum scores required for the first two categories. The City emphasizes the importance of professional certification, requiring at least one team member to be in good standing with a recognized organization like the British Columbia Association of Professional Archaeologists. Preference is given to consulting team members with five years of experience and lead archaeologists with ten years of experience. The resulting shortlist will remain valid until January 1, 2025, or for three years from the closing date. Once the list is established, the City will invite these qualified respondents to submit firm-priced tenders for specific projects. Proposals must be submitted as a single PDF to the purchasing department by 2:00 PM Pacific time on November 16, 2026. The pricing structure for the qualification stage includes hourly rates for principal archaeologists, field directors, technicians, and support staff, as well as lump sum rates for permit applications.

POSTED

about 22 hours ago

DEADLINE

Fare Revenue Modeling and Impact AnalystThis subcontract for a Fare Revenue Modeling and Impact Analyst involves providing specialized financial and ridership forecasting models for prime contractors working on Santa Clara Valley Transportation Authority projects. The scope of work includes developing revenue models for proposed fare structures, evaluating ridership elasticity, and utilizing transit demand modeling software to analyze the financial effects of changes to fare media. The primary deliverable for this engagement is the Revenue and Ridership Impact Analysis Report along with the associated models. This opportunity is categorized under NAICS code 541690 and is managed through the Finance agency in California, with a response deadline set for November 17, 2026.

POSTED

DEADLINE

Water Security & International Water GovernanceThis subcontract opportunity with W4LD USA Hecsa under the Department of Defense focuses on providing specialized expertise in water security and Integrated Water Resources Management for USACE projects both domestically and internationally. The selected provider will be responsible for addressing complex water policy issues, mitigating trans-boundary water conflicts, and developing governance frameworks and policy recommendations. Success in this role requires a proven track record of collaborating with high-level entities, including the U.S. State Department, the United Nations, and various non-governmental organizations. Candidates must possess significant experience working with international institutions and a demonstrated ability to support multi-national force capacity development. The contract falls under NAICS code 541690, with a response deadline set for November 6, 2026. This engagement is designed to integrate technical water management expertise with diplomatic and strategic policy guidance to ensure water security across diverse global operational environments.

POSTED

DEADLINE

Economic & Socio-Economic AnalysisThis subcontract opportunity with W4LD USA Hecsa under the Department of Defense focuses on providing comprehensive economic and socio-economic analysis for USACE water resources projects. The scope of work involves performing project, regional, and national-level economic assessments, including Benefit-Cost Analysis, Value-to-the-Nation assessments, and financial analysis of public works infrastructure. The selected provider will utilize multi-criteria and risk-informed economic analysis to deliver critical financial feasibility studies and economic impact reports. The requirement is categorized under NAICS code 541690. Interested parties should note that the solicitation was posted on October 20, 2026, with a response deadline of November 6, 2026.

POSTED

DEADLINE

Safety & Security Specialized SupportThis subcontract opportunity, titled Safety and Security Specialized Support, is issued by the Department of Defense for the W074 Endist Wilmington. The contract focuses on providing specialized technical support and advisory services regarding safety and security protocols for prime contractors. Key deliverables include the performance of safety assessments and the production of security advisory reports to ensure site compliance using non-A&E methods. The project is designated as a total Small Business Set Aside under NAICS code 541690. Performance of the work will take place in the 28403 zip code area. This engagement is specifically designed to bolster the safety and security infrastructure of USACE Endist Wilmington projects through expert technical guidance.

W074 Endist Wilmington

POSTED

DEADLINE

VA Healthcare Cybersecurity Compliance & ATO SupportThe VA Healthcare Cybersecurity Compliance and ATO Support subcontract, issued by the Department of Veterans Affairs Technology Acquisition Center Nj, focuses on providing critical security assessments and Authorization to Operate documentation for prime contractors managing healthcare IT projects. The scope of work includes conducting penetration testing, validating IPv6-Only environment capabilities, and generating Software Bill of Materials in NTIA format. To ensure rigorous security standards, the contractor must maintain compliance with HIPAA, FIPS 140-2/3, and NIST SP 800-66 Rev. 2. Key deliverables for this engagement include comprehensive security assessment reports, completed ATO documentation, and the required SBOM. This opportunity falls under NAICS code 541690 and requires responses by October 27, 2026.

Technology Acquisition Center Nj (36C10B)

POSTED

DEADLINE

SWAN Model Expansion and Mission Thread DecompositionThe SWAN Model Expansion and Mission Thread Decomposition subcontract, issued by the Department of Defense for the Space Rapid Capabilities Office, focuses on the technical decomposition of space-centric mission threads for prime contractors. The scope of work includes decomposing prioritized mission threads, validating performance metrics with operators, and collecting system program milestone data. Additionally, the contractor is responsible for integrating sustainment dependencies and DOTmLPF-P elements into the government-owned SWAN model and database to provide critical analytical outputs. Due to the sensitive nature of the projects, all personnel must possess TS/SCI/SAP security clearances. The opportunity was posted on October 20, 2026, with a response deadline of November 14, 2026. This effort falls under NAICS code 541690 and is dedicated to enhancing the analytical capabilities of the SpRCO through detailed database updates and mission thread validation.

FA2548 Spc Rpd Cpblts Offc Spc Rco

POSTED

DEADLINE

R--Technical Services Support

Solicitation # 89243126RSC000172

The Department of Energy Office of Science is soliciting a single contractor to provide comprehensive technical security support services in Oak Ridge, Tennessee. This 8(a) set-aside solicitation, under NAICS code 541690, supports the Office of Safety and Security, the Office of Science Consolidated Service Center, and the Oak Ridge Office of Environmental Management. The primary mission is to implement and administer Safeguards and Security programs to protect critical national security assets, including personnel, information, and Category I-IV Special Nuclear Material. The scope of work encompasses personnel security, industrial security, information security, and general program support, with a specific focus on administering personal identity verification and credentialing under Homeland Security Presidential Directive-12. The contractor is required to provide a Program Manager designated as Key Personnel and must implement a comprehensive Quality Control Plan and a federally mandated Worker Safety and Health Program. Performance requires strict adherence to DOE directives and all applicable federal, state, and local laws. Key responsibilities include the protection of Classified Information and Controlled Unclassified Information, such as Unclassified Controlled Nuclear Information and Export Controlled Information. The contractor will be managed by a Contracting Officer and a Contracting Officer's Representative, with requirements for bi-weekly activity reports and the submission of personnel resumes for government approval.

Sc Oak Ridge Office

POSTED

DEADLINE

IT Security Assessment and Authorization (A&A) ServicesThis subcontract for IT Security Assessment and Authorization services supports the Department of Public Safety and Emergency Preparedness in the National Capital Region. The primary objective is to perform security assessments and manage the Authorization to Operate process for prime contractors on various IT projects. Key responsibilities include developing security assessment plans, conducting Threat and Risk Assessments, and creating control matrices and Plans of Action and Milestones. The contract requires specialized personnel categorized as TBIPS C.3 Analysts at Levels 2 and 3, who must hold professional certifications such as CISSP, CISM, CISA, CRISC, or CCSP. Deliverables for this engagement include complete ATO decision packages, Security Assessment Reports, and Residual Risk Summaries. The solicitation was posted on October 20, 2026, with a response deadline of November 23, 2026.

Department of Public Safety and Emergency Preparedness

POSTED

DEADLINE

in about 1 month

Security Consulting and DesignThis subcontract opportunity for Security Consulting and Design supports prime contractors serving the County of Orange OC Public Works and Flood Control District facilities in Santa Ana, California. The selected provider will be responsible for conducting comprehensive security risk assessments to identify site vulnerabilities and designing integrated physical security systems, including surveillance, access control, and fencing, utilizing specialized security design software. Key deliverables include detailed security assessment reports and technical system design specifications. To qualify, personnel must hold a Certified Protection Professional certification or an equivalent credential. Interested parties must submit their responses by the deadline of December 4, 2026.

County of Orange OC Public Works

POSTED

DEADLINE

in about 1 month

Security Systems ConsultantThe Security Systems Consultant subcontract involves providing specialized design and specification services for security and life-safety systems on Town of Volney facility projects. The consultant will work with prime contractors to develop security concepts, identify necessary hardware and technology, and integrate detailed security layouts into architectural construction documents, with a primary focus on surveillance and access control systems. All deliverables, including security system plans and hardware specifications, must comply with New York State laws and local building codes. This opportunity is categorized under NAICS code 541690, with a response deadline set for November 12, 2026.

POSTED

DEADLINE

Environmental Data Management ServicesThe Environmental Data Management Services subcontract supports prime contractors on NOAA Oceanic and Atmospheric Research projects through specialized data curation and metadata formatting. The scope of work includes the creation of data management plans, the formatting of environmental data to meet approved metadata standards, and the overall management of data volumes to ensure seamless access for both public and agency users. All activities must strictly adhere to NOAA data management standards and Gold Standard Science Executive Orders to ensure the delivery of a curated and accessible dataset. This effort falls under NAICS code 541690 and is associated with the Department of Commerce NOAA, with a response deadline set for September 30, 2029.

Department Of Commerce Noaa

POSTED

DEADLINE

in almost 3 years