GOVERNMENT CONTRACTING & SUBCONTRACTING
Accessible technology solutions for government, public-sector organizations, and prime contractors
Quantum Backend, LLC provides custom software, computer systems design, accessible web and WordPress development, hosting, infrastructure support, graphic design, and digital consulting.
We support direct contracting, subcontracting, teaming, and white-label engagements with clearly defined scope, accessibility criteria, milestones, testing, documentation, and acceptance responsibilities.
Detailed description of the Government Contracting illustration
The illustration represents a connected digital environment in which public websites, internal portals, databases, cloud infrastructure, forms, and third-party systems exchange information. The visual is intended to communicate that government technology projects require more than appearance: they require understandable content, accessible controls, documented integrations, secure access, responsive presentation, testing, and ongoing operational support.
Company profile
Quantum Backend, LLC is a Kentucky small business focused on custom programming, accessible digital services, WordPress, systems integration, hosting, and technical support.
Our contracting approach is designed for buyers and partners that need a clearly scoped technical provider capable of supporting public-facing websites, internal platforms, custom applications, integrations, cloud-based services, accessibility remediation, and ongoing maintenance.
Quantum Backend can perform as a direct contractor, subcontractor, specialized accessibility provider, technology partner, or white-label delivery resource. The exact role is documented in the proposal, teaming arrangement, subcontract, or statement of work.
Business information
Legal business name: Quantum Backend, LLC
Business structure: Single-member limited liability company
Management: Member-managed
Business size: Small business
State of formation: Kentucky
Year established: 2026
Primary service area: United States and remote/international
Primary NAICS: 541511 — Custom Computer Programming Services
SIC: 7371 — Computer Programming Services
Extended SIC used in some commercial databases: 73710100
UEI, CAGE, vendor numbers, certifications, insurance documents, responsibility information, and similar identifiers should be published only after they are active, current, and verified.
Government and public-sector capabilities
Services can be combined into one project or separated into specialized work packages based on the solicitation and prime-contractor requirements.
Public websites and portals
- Government and authority websites
- Constituent and client portals
- Program, grant, and public-information sites
- Employee intranets and restricted resources
- Accessible forms and service-request workflows
Custom applications and integrations
- Custom web applications
- Administrative dashboards
- API and third-party integrations
- Authentication, roles, and permissions
- Workflow automation and data exchange
Accessibility and quality assurance
- WCAG and Section 508-oriented development
- Automated and manual evaluations
- Keyboard and screen-reader workflow testing
- Issue documentation and remediation support
- Accessible content-author guidance
Operations and support
- Managed WordPress and hosting support
- Migration and modernization planning
- Monitoring, backups, and maintenance
- Documentation and knowledge transfer
- Post-launch support and improvement retainers
NAICS analysis and services Quantum Backend can offer
A NAICS code should be used when the principal purpose of the solicitation or engagement matches the actual work. Listing a code does not replace registrations, certifications, licenses, insurance, staffing, past performance, or responsibility requirements.
| NAICS | Official industry focus | Services Quantum Backend can offer | Important scope condition |
|---|---|---|---|
| 541511 | Custom computer programming for a particular customer’s needs. | Custom websites, web applications, portals, APIs, plugins, themes, workflow automation, database applications, progressive web applications, testing, modification, and software support. | Primary and strongest alignment. Use when custom code, modification, testing, or support of client-specific software is the principal purpose. |
| 541512 | Planning and designing systems that integrate hardware, software, and communications technologies. | Systems architecture, requirements analysis, integration planning, data-flow design, cloud and platform selection, SSO planning, API architecture, interoperability, migration roadmaps, and technical solution design. | Use when the principal deliverable is an integrated system design or architecture, not merely programming one component. |
| 541513 | On-site management and operation of client computer systems or data-processing facilities. | On-site or dedicated operations support, systems-facility coordination, monitoring, operational procedures, data-processing facility support, and managed technical staffing through qualified personnel or teaming partners. | Not a general remote-support code. Promote only when Quantum Backend can provide the required on-site management, staffing, security, insurance, and operating responsibility. |
| 541519 | Other computer-related services outside custom programming, systems design, and facilities management. | Software installation and configuration, disaster-recovery planning, technical troubleshooting, platform migration assistance, computer-related assessments, quality assurance, accessibility testing support, and specialized technical services not classified elsewhere. | Use only when the work does not primarily belong under 541511, 541512, 541513, or 518210. |
| 518210 | Computing infrastructure, data processing, web hosting, cloud storage, IaaS, PaaS, and related services. | Web and application hosting, managed cloud environments, storage, backups, infrastructure provisioning, platform hosting, data-processing workflows, monitoring, migration, and technical streaming support where applicable. | Clearly disclose whether infrastructure is owned, leased, resold, or delivered through a third-party cloud or hosting provider. Contract terms must define security, backups, availability, and support. |
| 541430 | Graphic design services. | Visual identity, accessible graphics, icons, infographics, diagrams, presentation graphics, report layouts, social assets, interface visual systems, and production-ready digital artwork. | Use when visual communication and graphic design are the main deliverables. Custom programming remains under 541511. |
| 541613 | Operating advice and assistance on marketing objectives, policies, planning, positioning, products, pricing, and strategy. | Digital marketing strategy, audience and channel planning, service positioning, campaign planning, content strategy, conversion planning, analytics strategy, and marketing roadmaps. | Consulting and strategy are different from creating and placing full advertising campaigns. Media placement is more closely aligned with 541810. |
| 541810 | Creating advertising campaigns and placing advertising in media, with services such as creative work, account management, production, media planning, and buying. | Campaign concepts, landing pages, advertising creative, content production coordination, campaign management, media planning, placement, reporting, and full-service delivery through in-house capacity or qualified subcontractors. | Do not use for graphic design alone. Promote as a full agency capability only when Quantum Backend can actually manage campaign strategy, production, placement, account service, and media responsibilities. |
| 541990 | Professional, scientific, and technical services not classified in a more specific industry. | Only solicitation-specific professional or technical work that genuinely falls outside the more precise software, systems, hosting, design, consulting, and advertising codes. | Supplemental code only. Do not use it as a generic technology catch-all when a more specific NAICS code accurately describes the work. |
Recommended positioning
Lead with 541511. Present 541512, 541519, 518210, and 541430 as natural supporting capabilities. Use 541613 and 541810 only for marketing scopes that match their distinct definitions. Treat 541513 as an on-site operational capability requiring appropriate staffing and controls, and treat 541990 as solicitation-specific rather than a default catch-all.
ACCESSIBILITY FOR GOVERNMENT TECHNOLOGY
ADA-related and Section 508 support
Quantum Backend can develop and improve digital services against a documented accessibility target, including WCAG 2.1 Level AA, WCAG 2.2 Level AA, applicable Revised Section 508 requirements, and contract-specific criteria.
Section 508 applies to information and communication technology developed, procured, maintained, or used by federal agencies. State and local government projects may have ADA Title II requirements, contractual standards, state rules, and local policies that must be reviewed for the specific engagement.
Accessibility services
- Accessibility requirements and scope definition
- Semantic page and application structure
- Keyboard navigation and focus review
- Screen-reader testing of critical workflows
- Color contrast, zoom, reflow, and responsive testing
- Accessible forms, authentication, errors, and status messages
- Alternative text and complex-image descriptions
- Accessibility issue logs and remediation tracking
- Accessible content-author guidance and training
- Accessibility statement and maintenance-process support
Accessibility deliverables may include
- Accessibility requirements matrix
- Automated scan results
- Manual test scripts and findings
- Critical-user-journey review
- Issue severity and remediation status
- Known limitations and third-party dependencies
- Acceptance-test evidence
- Training and maintenance recommendations
- ACR or VPAT support when a defined product and scope justify it
An ACR or VPAT should describe a defined product or service against applicable criteria. It should not be used as a generic certification for the entire company.
Accessibility is scoped and testable
Quantum Backend does not represent a website or application as universally, permanently, or automatically compliant. Conformance depends on the defined pages and functions, client content, documents, third-party components, testing methods, remediation status, acceptance criteria, and ongoing maintenance.
Contracting and partnership models
Direct contractor
Quantum Backend contracts directly with an agency, authority, nonprofit, educational institution, or commercial organization for a defined project or managed service.
Subcontractor
Specialized development, WordPress, accessibility, integration, hosting, design, documentation, or support services delivered under a prime contractor.
Teaming partner
Joint pursuit of opportunities where complementary capabilities, staffing, geographic coverage, certifications, past performance, or contract vehicles are required.
White-label provider
Behind-the-scenes technical delivery for agencies and consulting firms, with branding, communication, confidentiality, and client-contact rules defined in writing.
Procurement and project deliverables
Deliverables are selected according to the solicitation, contract type, risk, technology, and stage of the project.
Before award or kickoff
- Requirements and solicitation review
- Clarification questions and assumptions
- Technical approach and architecture
- Work breakdown and milestones
- Staffing and subcontracting plan
- Accessibility and testing strategy
- Pricing basis and exclusions
During delivery
- Project schedule and status reporting
- Requirements traceability
- Design and technical documentation
- Source-code and configuration management
- Issue, risk, and decision logs
- Functional and accessibility testing
- Demonstrations and stakeholder reviews
At delivery and transition
- Deployment and launch support
- Acceptance-test evidence
- Administrator and user documentation
- Training and knowledge transfer
- Backup and recovery procedures
- Known limitations and maintenance plan
- Warranty or support transition as contracted
How we approach a government or subcontracting opportunity
- Opportunity review: We evaluate the scope, NAICS alignment, due date, place of performance, contract type, security, accessibility, staffing, insurance, certifications, and past-performance requirements.
- Bid decision: We identify whether Quantum Backend should pursue directly, participate as a subcontractor, form a team, or decline because the requirements are outside current capacity.
- Questions and assumptions: Ambiguities, dependencies, data access, integrations, content responsibilities, acceptance criteria, and third-party limitations are documented.
- Technical and management approach: We define architecture, milestones, communication, quality assurance, accessibility testing, risk management, documentation, and transition.
- Delivery in controlled stages: Work is reviewed through demonstrations, status reporting, issue tracking, and documented decisions rather than waiting until the final deadline.
- Testing and acceptance: Functional, responsive, performance, security, usability, and accessibility testing are completed according to the contracted scope.
- Transition and support: Launch, documentation, training, operations, warranty, maintenance, or managed-service responsibilities are transferred according to the agreement.
Vendor information and documentation
Verified documents can be supplied during qualification, onboarding, due diligence, or proposal preparation when applicable.
Commonly requested
- W-9
- Certificate of insurance
- Legal entity information
- Banking or payment information through a secure process
- Capabilities statement
- References and representative work
- Subcontractor or teaming information
Published only after verification
- UEI
- CAGE Code
- SAM.gov status
- State or local vendor numbers
- Socioeconomic certifications
- Contract vehicles
- Security or industry certifications
Sensitive documents, complete tax forms, banking information, credentials, signatures, and nonpublic identifiers should not be placed on the public website.
Frequently asked questions
Does listing a NAICS code mean Quantum Backend is certified for that service?
No. NAICS codes classify the type of work that may be performed. Certifications, registrations, contract eligibility, responsibility determinations, licenses, and insurance requirements are separate and are represented only after they are active and verified.
Which NAICS code applies to a particular solicitation?
The code depends on the principal purpose and actual scope of the opportunity. Custom programming commonly aligns with 541511, systems architecture and integration design with 541512, and hosting or cloud infrastructure with 518210. The solicitation and contracting authority ultimately control the assigned code.
Can Quantum Backend work as a subcontractor or white-label provider?
Yes. Quantum Backend can support prime contractors, agencies, consultants, and creative firms through defined subcontracting, teaming, and white-label arrangements. Scope, communication, branding, confidentiality, client contact, intellectual property, security, payment, and acceptance terms must be documented.
Does Quantum Backend guarantee ADA or Section 508 compliance?
No universal or permanent guarantee is made. Accessibility services are performed against a documented target, scope, testing method, third-party dependencies, acceptance criteria, remediation status, and maintenance responsibilities.
Can Quantum Backend provide on-site computer facilities management under 541513?
Only when the engagement includes the required on-site management or operation of client systems or data-processing facilities and Quantum Backend can satisfy the staffing, location, security, insurance, schedule, and operational-responsibility requirements directly or through an approved teaming arrangement.
Already working with Quantum Backend?
Existing clients and authorized project participants can sign in to access available account information and request support.
Discuss a solicitation, subcontract, or public-sector project
Share the agency or prime contractor, solicitation number, due date, scope, place of performance, NAICS, required technologies, accessibility requirements, contract type, staffing expectations, and requested role.
Do not submit passwords, banking information, Social Security numbers, controlled unclassified information, protected health information, procurement-sensitive material, export-controlled data, or other sensitive information through this public form.
By submitting this form, you acknowledge that you have read our Privacy Policy and authorize Quantum Backend, LLC to contact you regarding the opportunity. Submission does not create a contract, confidentiality obligation, teaming agreement, or attorney-client relationship.
Official accessibility and contracting references
- Determine applicable Section 508 standards and exceptions
- ADA Title II web and mobile accessibility compliance guide
- Web Content Accessibility Guidelines 2.2
- SAM.gov entity registration information
- U.S. Census Bureau NAICS resources
External standards and government requirements can change. The applicable solicitation, contract, regulation, agency policy, and current official guidance should be reviewed for each engagement.