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How to Register as a Vendor in Kentucky

Where
Kentucky Vendor Self Service (VSS) - eMARS eProcurement
Cost
Unknown - no fee is mentioned in official Kentucky registration guides
How long
unknown - the state verifies your name and TIN with the IRS and emails you when the registration is approved or rejected
Last checked
2026-09-27

See 21 open bids in Kentucky →

What it's for

Kentucky Vendor Self Service (VSS) is the Commonwealth's eProcurement site, part of the eMARS financial system run by the Finance and Administration Cabinet. Once registered, you can manage your own account, view business opportunities and awards, and bid online. The site is open around the clock.

Have this ready

  • A user ID and password, each 16 characters or fewer
  • Organization type: Company or Individual
  • A 9-digit FEIN/EIN, or, for individuals, your last name and the last 4 digits of your SSN. The name and TIN must match IRS records.
  • Primary address, plus separate ordering and payment addresses if you use them
  • A primary contact, plus optional ordering and payment contacts
  • NIGP commodity codes (optional, but they help agencies find you)
  • Your business types (you pick from a list)
  • Registration with the Kentucky Secretary of State if it applies to your business (not stated in the VSS guide)

Steps

  1. Go to vss.ky.gov. Before registering, you can use Guest Access to browse open solicitations.
  2. Choose the option to register and create a user ID and password.
  3. Pick Company or Individual and enter your EIN, or your name and last 4 of your SSN.
  4. Confirm your primary address and add ordering and payment addresses if needed.
  5. Enter your primary contact and any extra contacts.
  6. Use the commodity code search to add NIGP codes. You can skip this, but it helps.
  7. Choose your business types, review everything and submit.
  8. The Finance Customer Resource Center (CRC) checks your name and TIN with the IRS matching tool. You'll get an email when you're approved or rejected.

After you register

  • Log in to VSS to view opportunities, respond to solicitations and see awards.
  • Keep your addresses, contacts and commodity codes current in VSS. Your payment address and contact affect how you get paid.
  • A renewal schedule was not confirmed in official sources.
  • Registration help: Customer Resource Center, 502-564-9641 or Finance.CRCGroup@ky.gov. Goods and services questions: Office of Procurement Services, 502-564-4510.

Watch out for

  • TIN mismatch. If your legal name and TIN don't exactly match IRS records, the state will reject your registration.
  • Construction and DOT. Non-highway state building construction is handled by the Finance Cabinet's Division of Engineering and Contract Administration ((502) 330-9858). The Kentucky Transportation Cabinet lets road construction on its own schedule. Check each agency's posting location with them.
  • Fees. No registration fee appears in official guides. You don't need a paid third-party "registration service."

Certifications and bid preferences in Kentucky

Standard bid forms for Kentucky

These are the forms bidders are most often asked to sign or attach on Kentucky state bids. Each bid lists exactly which ones it needs, and many agencies attach their own copies, so always use the version in the bid documents when there is one.

Required Affidavit for Bidders, Offerors and Contractors Notarized
Sworn statement that you have not violated Kentucky campaign finance laws (KRS 45A.110); can be filed once a year to cover all state purchases.
When: All competitive bids and contracts over $1,000 with state agencies
Affidavit for Claiming Resident Bidder Status Notarized
Sworn proof that you are a Kentucky resident bidder (authorized to do business, filed state corporate taxes, paid unemployment insurance and carry workers' comp) to earn the in-state preference.
When: State bids where you want the resident bidder preference
Affidavit for Bidders Claiming Qualified Bidder Status Notarized
Sworn claim of qualified-bidder status for nonprofits or agencies employing people with severe disabilities.
When: Only qualified nonprofit bidders
EZ Vendor Registration Application
Application to be set up as a state vendor so you can be paid (Vendor Self Service account at vss.ky.gov).
When: Before first award or payment on a state contract
Application for Certificate of Eligibility (Prequalification) (TC 14-1) Notarized
KYTC prequalification application (financials, equipment, notarized pages) required before bidding on highway work.
When: Kentucky Transportation Cabinet construction bids
Authority to Sign (TC 14-27)
Names the people allowed to sign bids for your company; valid two years or until your company structure changes.
When: Kentucky Transportation Cabinet bids
Bid Bond / Proposal Guaranty (5%)
Bid security of 5% of the bid submitted with the proposal.
When: Kentucky Transportation Cabinet bids
DBE Utilization Plan (TC 14-35)
Lists the Disadvantaged Business Enterprises you will use; due within 5 working days if you are the apparent low bidder.
When: Federal-aid KYTC projects with DBE goals
Affidavit of Subcontractor Payment (TC 18-7) Notarized
Notarized proof (within 7 business days of payment) that DBE subcontractors were actually paid.
When: KYTC projects with DBE participation
Labor and Wages Bond
Bond required of newer companies (organized under 5 years) bidding on KYTC work.
When: KYTC bids by companies under 5 years old
Certificate of Liability Insurance (ACORD 25) (ACORD 25)
Standard liability insurance certificate that KYTC accepts as proof of coverage.
When: KYTC construction contracts
Kentucky Secretary of State Certificate of Authorization (out-of-state entities)
Proof an out-of-state company is authorized to do business in Kentucky; submitted with prequalification.
When: Out-of-state firms prequalifying with KYTC

Common questions

Is it free to register as a vendor in Kentucky?

Unknown - no fee is mentioned in official Kentucky registration guides

Where do I register to bid in Kentucky?

Kentucky Vendor Self Service (VSS) - eMARS eProcurement: https://vss.ky.gov/

How long does Kentucky vendor registration take?

unknown - the state verifies your name and TIN with the IRS and emails you when the registration is approved or rejected

What forms do I need to bid on Kentucky state contracts?

Each bid lists its own forms. Ones bidders are commonly asked for include: Required Affidavit for Bidders, Offerors and Contractors; Affidavit for Claiming Resident Bidder Status; Affidavit for Bidders Claiming Qualified Bidder Status; EZ Vendor Registration Application; Application for Certificate of Eligibility (Prequalification). The full list with links to the official blank forms is on this page.

Sources

FindMyBids isn't affiliated with any government agency. Registration is free or low cost on official sites; you don't need to pay a third party. Always follow the official portal's instructions.

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