The IRS spends roughly $3 billion per year on goods and services. Most of that money flows through contracts with information technology firms, professional services consultants, and software vendors. For a diverse small business already operating in those spaces, the agency is worth your time to pursue.
This guide covers what the IRS buys, how it buys it, and the practical steps to get your business into the vendor pipeline.
What the IRS buys
Technology is the dominant category. The agency runs one of the largest IT operations in the federal government, processing hundreds of millions of returns and managing systems that date back decades. Modernization is an ongoing priority. That means contracts for software development, cybersecurity, systems integration, cloud migration, and IT support are consistently available.
Professional services are the second major category. Management consulting, process improvement, program management, and acquisition support all appear regularly in IRS solicitations. The agency also procures training services, human resources consulting, and organizational development work.
The third notable category is software licenses and data products. The IRS buys commercial off-the-shelf software at scale and has active needs for data analytics platforms and specialized tax-related software.
Primary NAICS codes active in IRS procurement:
- 541519 – Other Computer Related Services
- 541611 – Administrative Management and General Management Consulting Services
- 511210 – Software Publishers
If your business operates under any of these codes, search SAM.gov for active IRS opportunities now before reading further. You may find something worth bidding on immediately.
Typical contract sizes range from micro-purchase threshold contracts (under $10,000, often issued via purchase orders) up to multi-year task order contracts worth tens of millions. The most accessible entry point for a first-time IRS vendor is the $10,000–$250,000 range, where simplified acquisition procedures apply and competition tends to be narrower.
Registration and baseline requirements
Before the IRS can pay you, your business must be registered in the System for Award Management at SAM.gov. Registration is free. You will need your Employer Identification Number, a DUNS number or UEI (Unique Entity Identifier, which replaced DUNS), and your NAICS codes. The process takes about 10 business days to activate, and you must renew annually or your registration lapses.
Once registered, set up a profile on beta.SAM.gov and configure email alerts for opportunities matching your NAICS codes and the IRS (Agency: Department of the Treasury, Sub-Agency: Internal Revenue Service). This takes 20 minutes and puts solicitations in your inbox automatically.
The IRS also uses GSA Schedule contracts heavily. If your business holds a GSA Multiple Award Schedule contract, you have a pre-competed path into IRS procurement without full open-market competition. GSA Schedule procurement is the single most efficient route for IT and professional services firms entering IRS vendor relationships.
Small business and diversity set-asides
The IRS, like all federal agencies, is subject to small business contracting goals set by the SBA. Those goals cover total small business spend as well as sub-categories: 8(a) firms, Women-Owned Small Businesses (WOSB), Service-Disabled Veteran-Owned Small Businesses (SDVOSB), and HUBZone firms.
If your business holds any of these certifications, you can compete for set-aside contracts where full and open competition is restricted to firms in your category. An 8(a) set-aside contract, for example, limits competition to SBA-certified 8(a) firms. That meaningfully changes your odds compared to open competition with large primes.
The IRS posts set-aside opportunities on SAM.gov. When you search for IRS solicitations, filter by "Set-Aside Type" to see contracts restricted to your certification type. This is the filter most diverse small businesses skip, and it is the one that matters most.
Sole-source awards to 8(a) firms are possible when the contract value is under $4.5 million for services (or $7.5 million for manufacturing). This means a contracting officer can direct an award to a specific 8(a) firm without competitive bidding at all. That is not a backdoor; it is a statutory procurement mechanism designed to develop small businesses. If you are 8(a) certified and have a relevant capability, building a relationship with the IRS contracting office before a requirement is formalized is how sole-source awards happen.
Subcontracting is another entry path that gets underused. Large IRS prime contractors are required by law to maintain subcontracting plans that set spending goals with small and diverse firms. Companies like Booz Allen Hamilton, Leidos, and Accenture Federal Services hold major IRS contracts and actively need qualified subcontractors to meet those plan commitments. A teaming agreement with a large prime can get your firm on an IRS project before you have won a prime contract of your own.
The IRS Small Business Office
The IRS Office of Procurement Policy maintains a small business specialist function through the Department of the Treasury's Office of Small and Disadvantaged Business Utilization (OSDBU). Treasury's OSDBU serves the IRS and other Treasury bureaus and is the right contact point for:
- Understanding upcoming IRS procurements before they post on SAM.gov
- Learning which contracting officers handle the categories relevant to your business
- Identifying teaming opportunities with primes pursuing IRS work
- Resolving registration or set-aside eligibility questions
You can reach Treasury OSDBU through the official Treasury.gov website. Look for the "Small Business" section under the Procurement or Contracting section of the site. Attending the annual Treasury Small Business Industry Day, which Treasury OSDBU hosts, puts you in a room with IRS contracting staff and large prime subcontracting coordinators. Past events have attracted hundreds of small business attendees.
One practical first step
Request a capability briefing with the IRS small business specialist before any solicitation is open.
This means contacting Treasury OSDBU, describing your firm, your certifications, and the specific NAICS codes under which you operate, and asking for 15 minutes to brief your capabilities. Not every specialist will agree to a meeting immediately, but many will. That conversation does three things: it puts your name in front of someone with visibility into upcoming requirements, it gives you intelligence on whether the agency has near-term needs in your area, and it positions you as a known vendor when a solicitation drops rather than a cold applicant.
The IRS awards contracts to firms it knows. The fastest path to a first award is being a known quantity before the opportunity posts publicly.
