Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. This Business Profile tracks the Brand Authority Index and supporting AI visibility evidence. Last analyzed August 9, 2026.
The Work Number (by Equifax) is a company within the Data & Analytics category. The Work Number is a proprietary managed database of employment and income information. It automates the verification process for employers and provides instant data access to credentialed verifiers such as lenders and government agencies. Founded as part of TALX Corporation, it is now the industry's largest central repository of payroll data.
The Work Number (by Equifax) was founded in 1987 and is headquartered in St. Louis, Missouri, USA.
The Work Number (by Equifax) is rated Leader on the Optimly Brand Authority Index, a measure of how well AI models can accurately describe the brand. The exact score is locked for unclaimed profiles.
AI narrative accuracy for The Work Number (by Equifax) is Moderate. Significant factual deltas detected. Inconsistent representation across models.
AI models classify The Work Number (by Equifax) as a Challenger. AI names competitors first.
The Work Number (by Equifax) appeared in 7 of 8 sampled buyer-intent queries (88%). The brand dominates high-intent commercial queries but loses visibility on newer 'Fintech API' and 'Direct Deposit Switching' queries where Plaid or Argyle are more vocal.
AI accurately portrays the brand as the industry standard for verification services but often misses the nuances of recent regulatory scrutiny or the specific technology shift toward API-first integrations. It is viewed as an institutional utility rather than a software product. Key gap: There is often a lag in reporting the current scale of the database (total records), with AI often citing outdated figures from 2-3 years ago.
Of 5 key facts verified about The Work Number (by Equifax), 3 are well-documented (likely accurate across AI models), 2 have limited sourcing, and 0 are retrieval-dependent and may be inaccurate without live search.
The distinction between 'The Work Number' as a service and 'TALX' as the original corporate entity is frequently blurred or omitted.
Buyers turn to The Work Number (by Equifax) for Manual Phone Verification: Manually calling previous employers or HR departments to verify job titles and dates., Applicant-Provided Documentation: Requesting physical or digital copies of W-2s, 1099s, or pay stubs directly from the applicant., Private Investigation/Background Agencies: Hiring third-party background check firms that perform manual outreach., among 3 documented problem areas.
Buyers evaluating The Work Number (by Equifax) typically ask AI models about "automated employment verification service", "how to verify income for mortgage", "Equifax employment data database", and 3 similar queries.
The Work Number (by Equifax)'s core products are Employment Verification, Income Verification, Social Service Verifications, Mortgage Verifications..
The Work Number (by Equifax) uses Usage-based (per verification fee).
The Work Number (by Equifax) serves Mortgage Lenders, Auto Dealers, Government Agencies, Property Managers, HR Departments..
The Work Number (by Equifax) The largest proprietary database of employer-contributed payroll data in the world, providing instant results without requiring applicant login credentials.
Brand Authority Index (BAI) tier: Leader (exact score locked for unclaimed brands)
Archetype: Challenger
Official website: https://theworknumber.com/
Last analyzed: August 9, 2026
Founded: 1987 (as TALX) (source: official website)
Headquarters: St. Louis, MO (source: official website)
This Business Profile is published by Optimly in the Optimly AI Brand Index, a public research dataset showing how AI systems describe brands, categories, and competitors. Optimly AI Visibility analyzes sampled buyer-intent responses, cited sources, and public brand information. The Brand Authority Index summarizes answer presence, narrative accuracy, and owned citations where sufficient evidence is available.
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