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Aon Assessment vs Pillar

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§ The result

Pillar leads Aon Assessment on all 7 criteria.

Pillar scores 40 and Aon Assessment 35 under rubric v1.0, a 5-point gap across the Screening and Assessment cohorts. Pillar is ahead of Aon Assessment on all 7 criteria but on none of them by as much as 20 raw points, the closest being Article 11 Technical Documentation at Aon Assessment 40 to Pillar 42. Bias Audit Transparency is the widest raw gap and the heaviest weighted swing at once (Aon Assessment 30, Pillar 38, 18% weight), but it accounts for only 28% of the weighted advantage Pillar holds across the 7 criteria on that side of the table.

§ The record

Aon Assessment is filed under Assessment AI, Pillar under Screening AI. They record no secondary category in common.

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

RecordAon AssessmentPillar
Price tierEnterpriseMid
HeadquartersDEUS
Founded20022019

§ What decides it

The criteria that move the gap, heaviest swing first.

  1. 18% weight · 28% of the movement so far

    Bias Audit Transparency

    Aon Assessment 30 · Pillar 38

    1.4 weighted points to Pillar

  2. 15% weight · 49% of the movement so far

    Data Governance Disclosure

    Aon Assessment 38 · Pillar 45

    1.1 weighted points to Pillar

  3. 12% weight · 67% of the movement so far

    Post-Market Monitoring

    Aon Assessment 25 · Pillar 33

    1.0 weighted points to Pillar

  4. 15% weight · 82% of the movement so far

    FRIA Support

    Aon Assessment 25 · Pillar 30

    0.8 weighted points to Pillar

  5. 20% weight · 90% of the movement so far

    Article 11 Technical Documentation

    Aon Assessment 40 · Pillar 42

    0.4 weighted points to Pillar

  6. 12% weight · 97% of the movement so far

    Human Oversight Design

    Aon Assessment 45 · Pillar 48

    0.4 weighted points to Pillar

  7. 8% weight · 100% of the movement so far

    Customer Documentation

    Aon Assessment 48 · Pillar 50

    0.2 weighted points to Pillar

Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -5.1 — the difference between the two totals before either is rounded. Shares are of 5.1 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -5 beside that -5.1.

§ Category-by-category

Raw score per criterion, with weighted delta.

Δ is Aon Assessment minus Pillar.

CategoryWeightAon AssessmentPillarΔ rawΔ weighted
Article 11 Technical Documentation20%4042-2-0.4
Bias Audit Transparency18%3038-8-1.4
FRIA Support15%2530-5-0.8
Data Governance Disclosure15%3845-7-1.1
Human Oversight Design12%4548-3-0.4
Post-Market Monitoring12%2533-8-1.0
Customer Documentation8%4850-2-0.2
Total100%35 (F)40 (F)-5-5.1

§ 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 AssessmentPillar
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 domain21Audit reportSources on the vendor's own domain
FRIA Support15%11Sources on the vendor's own domain11Sources 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 domain21Sources on the vendor's own domain
Post-Market Monitoring12%1111
Customer Documentation8%21Sources on the vendor's own domain21Sources on the vendor's own domain
All criteria100%116Audit reportSources on the vendor's own domainSources on a separate domain127Audit reportSources 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; Pillar has 19 evidence rows across 7 of 7 criteria — 12 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 36 evidence rows on file for these two vendors: 17 for Aon Assessment, across 3 distinct source domains, and 19 for Pillar, across 1 distinct source domain.

Rubric
v1.0
Aon Assessment last reviewed
June 7, 2026 · HireAIScore editorial team
Pillar last reviewed
June 7, 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.