Proofstackby Classifi

Verify a Proofstack badge

Confirm that a contractor's Proofstack badge is legitimate. Look them up by name or profile slug below.

Look up a contractor

Three levels of verification

👤

Member

Free tier — always free

Every Proofstack user starts as a Member. Members have a private profile with secure W-9 storage, independence signal declarations, and engagement tracking. Member profiles are not searchable by employers and do not display a verification badge.

Private profileW-9 storageIndependence signalsEngagement tracking

Verified

$12/month or $99/year

Proofstack Verified contractors have an active subscription, a documented set of independence signals, and a public profile searchable by employers. The Verified badge means the contractor has taken active steps to document their independent status and maintain compliance-ready records.

Public profileSearchable by employersVerified badgeContractor messagingContract templatesInvoice tracker

Elite

$29/month or $249/year

Proofstack Elite is the highest level of contractor verification. Elite contractors have been individually reviewed by the Classifi compliance team — which includes a former state auditor. Their independence signals, documents, and engagement history have been manually verified. An independence assessment memo is issued and kept on file.

Everything in VerifiedHuman compliance reviewElite badgeIndependence memoFeatured placementEnterprise audit defense

Verified by the team behind Classifi — the outside payroll intelligence platform built by a former Indiana DWD state auditor. Every verification is backed by the same compliance expertise used in real audit defense.

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