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State vendor registration

How to sell to Arkansas government

Arkansas moved state supplier registration to the SAP Ariba Business Network Portal on July 11, 2026, replacing ARBuy, and vendors registered before then must register again. The Office of State Procurement now links its open solicitations to Ariba, while ARBuy finishes bids that opened before the switch.

Facts checked

Where Arkansas posts bids

State agencies post on Office of State Procurement Bid Opportunities (SAP Ariba).[1] Office of State Procurement bids link to SAP Ariba; Building Authority construction bids and other procurement units are posted on separate pages.

Changed recently: On July 11, 2026 Arkansas replaced ARBuy with the SAP Ariba Business Network Portal for supplier registration; earlier registrants must re-register. Separately, AEDC proposed repealing its MBE/WBE certification rules to comply with Act 116 of 2025 (effective date pending legislative review as of February 2026).[2]

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How to register, step by step

  1. 01

    Register on SAP Ariba Business Network Portal (Arkansas Vendor Registration)

    Start registration. Cost: No fee listed by the State of Arkansas. Follow the emailed state invitation or request one through the Arkansas Vendor Registration Portal; have a current W-9 ready, and an AASIS vendor number is issued after approval. Vendors registered before July 11, 2026 must submit a new registration to update an AASIS account, respond to a solicitation or hold a current contract. Questions: 501-682-HELP (4357).[2]

  2. 02

    Have your IRS Form W-9

    The state's registration page asks vendors to provide a W-9.[2]

  3. 03

    Choose your commodity codes

    Notifications are sent by the codes in your vendor profile. Pick every code that describes your work, and revisit them when you add a service.

  4. 04

    Watch the other buyers

    Cities, counties and authorities in Arkansas post separately. BidRover reads 2 Arkansas sources, listed below, in one search.

What you will typically need

Exact requirements vary by portal; the registration page linked above is the authority. Most ask for:

  • Your legal business name and address exactly as registered with the state, and your federal tax ID (EIN, or SSN for some sole proprietors).
  • A signed IRS Form W-9, which most buyers collect before they can pay you.
  • Commodity codes (NIGP, UNSPSC or NAICS, depending on the portal) for every product and service you sell.
  • A contact who will receive bid notices, plus any business license or registration the jurisdiction requires.
  • Certificates of insurance and, for construction, bonding capacity: these are usually requested per bid rather than at registration.

Tips

  • Solicitations opened on ARBuy before the July 2026 switch stay on ARBuy until they close.
  • AEDC has proposed repealing its minority and women-owned business certification rules under Act 116 of 2025, which bars race and sex preferences in state procurement.

Arkansas sources BidRover reads

Related guides

Questions

Where does Arkansas post government bids?

State agencies post on Office of State Procurement Bid Opportunities (SAP Ariba) (https://sas.arkansas.gov/procurement/bid-opportunities/). Many cities, counties and authorities in Arkansas post on their own sites as well, so check the ones you want to sell to.

How do I register as a vendor with Arkansas?

Register through SAP Ariba Business Network Portal (Arkansas Vendor Registration) (https://sas.arkansas.gov/procurement/vendor-registration-resources/). Cost: No fee listed by the State of Arkansas. Follow the emailed state invitation or request one through the Arkansas Vendor Registration Portal; have a current W-9 ready, and an AASIS vendor number is issued after approval. Vendors registered before July 11, 2026 must submit a new registration to update an AASIS account, respond to a solicitation or hold a current contract. Questions: 501-682-HELP (4357).

What do I need before registering with Arkansas?

IRS Form W-9: The state's registration page asks vendors to provide a W-9.

Sources

See every open bid in Arkansas.

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