HomeCompareAon Assessment vs impress.ai

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Aon Assessment vs impress.ai

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§ The result

3 points separate impress.ai and Aon Assessment.

impress.ai (Screening) edges Aon Assessment (Assessment) by 3 points under rubric v1.0, 38 to 35. impress.ai leads 4 of the 7 criteria, including Data Governance Disclosure, while Aon Assessment leads 2, including Bias Audit Transparency, and 1 is level. Data Governance Disclosure is both the widest raw gap and the heaviest weighted swing — Aon Assessment 38, impress.ai 55 — and at a 15% weight it carries 51% of the weighted advantage impress.ai holds across the 4 criteria on that side of the table.

§ The record

Aon Assessment is filed under Assessment AI, impress.ai under Screening AI. They also share 1 secondary category: Video interview.

Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.

RecordAon Assessmentimpress.ai
Price tierEnterpriseHigh
HeadquartersDESG
Founded20022017

§ What decides it

The criteria that move the gap, heaviest swing first.

  1. 15% weight · 34% of the movement so far

    Data Governance Disclosure

    Aon Assessment 38 · impress.ai 55

    2.5 weighted points to impress.ai

  2. 18% weight · 53% of the movement so far

    Bias Audit Transparency

    Aon Assessment 30 · impress.ai 22

    1.4 weighted points to Aon Assessment

  3. 20% weight · 67% of the movement so far

    Article 11 Technical Documentation

    Aon Assessment 40 · impress.ai 35

    1.0 weighted points to Aon Assessment

  4. 12% weight · 78% of the movement so far

    Human Oversight Design

    Aon Assessment 45 · impress.ai 52

    0.8 weighted points to impress.ai

  5. 12% weight · 89% of the movement so far

    Post-Market Monitoring

    Aon Assessment 25 · impress.ai 32

    0.8 weighted points to impress.ai

  6. 8% weight · 100% of the movement so far

    Customer Documentation

    Aon Assessment 48 · impress.ai 58

    0.8 weighted points to impress.ai

Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to -2.6 — the difference between the two totals before either is rounded. Shares are of 7.5 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -3 beside that -2.6.

§ Category-by-category

Raw score per criterion, with weighted delta.

Δ is Aon Assessment minus impress.ai.

CategoryWeightAon Assessmentimpress.aiΔ rawΔ weighted
Article 11 Technical Documentation20%4035+5+1.0
Bias Audit Transparency18%3022+8+1.4
FRIA Support15%2525--
Data Governance Disclosure15%3855-17-2.5
Human Oversight Design12%4552-7-0.8
Post-Market Monitoring12%2532-7-0.8
Customer Documentation8%4858-10-0.8
Total100%35 (F)38 (F)-3-2.6

§ Evidence

Cited sources and documented absences, criterion by criterion.

An absence is a finding, not a blank: the reviewer looked for a named artefact and recorded that it is not located. Where a source sits is a fact about hosting only.

CriterionWeightAon Assessmentimpress.ai
CitedAbsencesAudit / hostingCitedAbsencesAudit / hosting
Article 11 Technical Documentation20%21Sources on the vendor's own domain21Sources on the vendor's own domain
Bias Audit Transparency18%11Audit reportSources on a separate domain21Sources on the vendor's own domain
FRIA Support15%11Sources on the vendor's own domain21Sources on the vendor's own domain
Data Governance Disclosure15%21Sources on the vendor's own domain21Sources on the vendor's own domain
Human Oversight Design12%20Sources on the vendor's own domain31Sources on the vendor's own domain
Post-Market Monitoring12%1131Sources on the vendor's own domain
Customer Documentation8%21Sources on the vendor's own domain41Sources on the vendor's own domain
All criteria100%116Audit reportSources on the vendor's own domainSources on a separate domain187Sources on the vendor's own domain

Aon Assessment has 17 evidence rows across 7 of 7 criteria — 11 with a source URL, 6 documented absences; impress.ai has 25 evidence rows across 7 of 7 criteria — 18 with a source URL, 7 documented absences; some documentation or audit rows for Aon Assessment sit on a domain separate from the vendor's own site.

Provenance

The scores above are documented by 42 evidence rows on file for these two vendors: 17 for Aon Assessment, across 3 distinct source domains, and 25 for impress.ai, across 1 distinct source domain.

Rubric
v1.0
Aon Assessment last reviewed
June 7, 2026 · HireAIScore editorial team
impress.ai last reviewed
August 2, 2026 · HireAIScore editorial team

HireAIScore scores are editorial research, not legal advice, and no vendor pays for placement, scoring or removal — see the methodology, conflicts policy and terms.