Government Subcontracting: Win Work Through Primes
Updated Nov 1, 2026
Learn how government subcontracting works, how to find prime contractors, assess subcontract offers, and win work supporting federal contracts.
Government subcontracting lets you win federal work by performing part of a prime contractor’s contract. To get started, find primes that need your services, show how you can help, and agree on a clear scope and price.
You do not submit a prime bid to the agency when you subcontract. Instead, you work for the prime contractor, which remains responsible for delivering the overall contract.
How government subcontracting works
The agency awards a contract to a prime contractor. The prime may hire subcontractors to handle specific tasks, supply materials, provide local support, or add specialized skills. A small firm might clean a facility, haul materials, install equipment, or complete a defined part of an IT project.
Your agreement is with the prime, not the federal agency. The prime manages its relationship with the agency, while you must meet the requirements in your subcontract. You generally invoice the prime according to your agreement, rather than billing the agency directly.
A subcontract can offer a practical way to build experience and relationships, but it is still a business commitment. Before accepting work, check the scope, schedule, quality standards, insurance requirements, payment terms, and any required records or security procedures.
How to become a subcontractor for government contracts
Start by identifying the work your business can reliably perform and the agencies or locations you can serve. Use the federal contract spending by industry and federal agencies and what they buy pages to research where relevant work is being purchased. A useful free NAICS code lookup can help you identify industry codes to use in your searches.
Then prepare a concise capability statement. Include your core services, service area, relevant past performance, differentiators, business contact information, and applicable NAICS codes. Be specific about capacity: primes need to know what you can deliver, where, and when.
You do not need to bid as a federal prime just to approach a prime about subcontract work. A full SAM registration is required to bid on federal prime contracts, and SAM registration is free. If you are only seeking subcontract work, ask the prime what registration or identifiers it requires. A UEI is assigned free through SAM.gov, and some contracts or reporting processes may require one. Never pay a third party to register you.
- Define your service, location, capacity, and the types of customers you can support.
- Prepare a capability statement and gather references or examples that show you can perform the work.
- Contact primes with a specific explanation of how your firm can support their contract or upcoming bid.
Find subcontracting opportunities and prime contractors
Search the prime contractors list to identify businesses with federal awards in your field. The list can help you build a prospect list, but an award does not prove that a company is currently seeking subcontractors. Check the prime’s website, supplier information, or small business contact details, then ask about relevant work and upcoming needs.
Federal contract notices on SAM.gov can also help you identify upcoming work and likely primes. Browse open federal bids from SAM.gov, filterable by industry, state and set-aside, and look for notices that fit your services. Some solicitations include a subcontracting plan or instructions for potential subcontractors, but many do not publish subcontract leads. Follow the notice’s instructions and contact the listed contracting office if you need clarification.
Past award information on USAspending.gov can help you see which companies have received awards and which agencies buy the services you provide. Treat past awards as research, not a promise of future work. A prime may have completed the work, may use existing suppliers, or may not need your particular service.
- Search by service, agency, location, and relevant NAICS code.
- Look for prime contractor supplier portals, small business contacts, and industry outreach events.
- Track the company, contract, contact, date reached, and follow-up in a simple spreadsheet.
Make your outreach useful to the prime
A general message saying you want government work is easy to overlook. Tell the prime what contract-related need you can meet. For example, explain the service you provide, your location and available capacity, the relevant experience you have, and how quickly you can respond to a request for a quote.
Keep your capability statement current and make sure it supports your claims. If you have not performed government work, use relevant commercial, state, local, or nonprofit experience where appropriate. Do not claim contract experience, certifications, or past performance that your business does not have.
Follow the prime’s vendor onboarding process and meet its deadlines. A meeting or supplier registration is not a promise of work. Stay professional, follow up once when appropriate, and keep building relationships with other potential primes.
Review the subcontract before you agree
Read the entire proposed subcontract and compare it with the work discussed. Make sure the scope describes what you will provide, what the prime will provide, where and when work happens, how changes are approved, and what counts as acceptable performance. Ask for unclear terms in writing before you commit.
Pay close attention to payment terms, invoice instructions, required documentation, insurance, indemnity, termination, and responsibility for rework. Confirm whether the prime can pass down agency requirements that affect your work, such as safety, cybersecurity, background checks, labor rules, or recordkeeping. Requirements vary by contract and task, so do not assume that a term is irrelevant because you are a subcontractor.
Price the full cost of performing the work, including labor, materials, travel, insurance, administration, and the time between paying your own expenses and receiving payment. Avoid accepting a price or schedule that depends on assumptions the prime has not confirmed.
- Confirm the scope, deliverables, schedule, and point of contact.
- Check how to submit invoices, what supporting records are needed, and when payment is due under the subcontract.
- Ask how changes, delays, disputes, and termination are handled.
Understand payment and manage performance
The prime pays you under the subcontract’s terms. The agency pays the prime under the prime contract, but that does not mean you should assume the agency’s payment schedule or procedures apply directly to you. Ask whether your payment depends on approved work, accepted deliverables, or specific invoice documents, and get the terms in writing.
Keep accurate records of hours, materials, delivery, inspections, and communications. Submit invoices in the required format and on time. If the scope changes, get the change approved in writing before doing extra work whenever possible. Raise schedule or quality risks early, while there is still time to address them.
Strong performance can help you build references and improve your chances of being considered for future work. Ask the prime whether you may describe the work as past performance, and follow any confidentiality or publicity restrictions in your agreement.
Build a steady subcontracting pipeline
Do not depend on one prime or one award. Keep researching new notices, awards, agencies, and contractors, and maintain a record of contacts and follow-ups. Revisit your service offering as your capacity changes, and update your capability statement when you gain relevant experience.
Free help is available through APEX Accelerators, Small Business Development Centers, and SCORE mentors. They can help you prepare for federal contracting, review your business approach, and understand common procurement terms. If you later decide to pursue prime contracts, check the applicable SBA size standard for each NAICS code and review the agency’s solicitation requirements.
Frequently asked questions
How do I get my first government contract with no experience?
Look for subcontract work that matches services you already perform, and show relevant commercial or local experience, references, and capacity. Contact primes with a specific offer rather than claiming government past performance you do not have. Start with a scope you can deliver reliably and document the results.
Can a small business get government contracts?
Yes. A small business can pursue federal prime contracts or work as a subcontractor for a prime. For federal prime bids, you need an active SAM registration, which is free, and you should confirm the SBA size standard for the solicitation’s NAICS code.
How do government contractors get paid?
A prime contractor invoices the agency under its contract, while a subcontractor invoices the prime under the subcontract. Your payment timing and requirements depend on your agreement, so review the invoice process, approval conditions, and payment terms before starting work.
How do I find subcontracting opportunities?
Research prime contractors with relevant awards, review SAM.gov notices for upcoming work, and contact primes through their supplier or small business channels. Past awards and bid notices help you find prospects, but they do not guarantee that a prime is currently seeking subcontractors.
What should I include in a prime contractors list?
Track each company’s name, relevant awards or agency work, service area, small business contact, and the date and result of each outreach attempt. Add notes about the work your firm can support and any follow-up needed. Keep the list current because awards do not necessarily indicate active subcontracting needs.