Credentials & classifications

The credentials behind every engagement.

ADA Access for All performs manual testing under the U.S. Department of Homeland Security Trusted Tester process, the federal Section 508 testing standard, and pairs it with ADA Coordinator policy expertise. The combination lets a single firm deliver both the technical audit and the regulatory artifacts public entities are required to produce.

Certifications & registrations

  • DHS Trusted Tester for Web (TTv5)Certificate TT-2604-08987
  • ADA Coordinator CertificationUniversity of Missouri / Great Plains ADA Center
  • Digital Accessibility CertificationRocky Mountain ADA Center
  • NYC Minority Business Enterprise (MBE)Certified by NYC Small Business Services (SBS) · MWCERT2025-1083 · valid through December 31, 2030
  • Federal UEI (SAM.gov)E2Q7D9LYPM54
  • NYC Vendor NumberVS00099772
  • Legal EntityGuillaume & Co. LLC · NY domestic LLC · DOS ID 7265133
  • NY State MWBEApplication in process via ESD Fast Track
  • Federal Size StatusSmall Business · Self-Certified Small Disadvantaged Business

Set-aside & small-business credentials

Business classifications

  • Small Business
  • Small Disadvantaged Business (SDB): self-certified
  • NYC Minority Business Enterprise (MBE): certified by NYC SBS
  • New York State LLC

What this means for buyers

  • Eligible for City contract set-asides and bid preferences
  • Listed in the NYC Online Directory of Certified Businesses
  • Supports prime contractors' M/WBE participation goals

Put these credentials to work

Whether you're a procurement officer vetting a vendor or an organization that needs a defensible audit, a short call clarifies fit and scope.

Schedule a call Email the practice