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Aon Assessment vs Arena Analytics

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§ The result

3 points separate Aon Assessment and Arena Analytics.

Aon Assessment (Assessment) edges Arena Analytics (Screening) by 3 points under rubric v1.0, 35 to 32. The 7 criteria split 4 to 2 in favour of Aon Assessment, with 1 level: Aon Assessment is ahead on Article 11 Technical Documentation and Arena Analytics on Data Governance Disclosure. One criterion, Article 11 Technical Documentation, is both the widest raw gap (Aon Assessment 40, Arena Analytics 30) and the heaviest weighted swing, and at 20% weight it makes up 44% of the weighted advantage Aon Assessment holds across the 4 criteria it leads.

§ The record

Aon Assessment is filed under Assessment AI, Arena Analytics 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 AssessmentArena Analytics
Price tierEnterpriseEnterprise
HeadquartersDEUS
Founded20022015

§ What decides it

The criteria that move the gap, heaviest swing first.

  1. 20% weight · 36% of the movement so far

    Article 11 Technical Documentation

    Aon Assessment 40 · Arena Analytics 30

    2.0 weighted points to Aon Assessment

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

    Bias Audit Transparency

    Aon Assessment 30 · Arena Analytics 25

    0.9 weighted points to Aon Assessment

  3. 12% weight · 68% of the movement so far

    Human Oversight Design

    Aon Assessment 45 · Arena Analytics 38

    0.8 weighted points to Aon Assessment

  4. 8% weight · 83% of the movement so far

    Customer Documentation

    Aon Assessment 48 · Arena Analytics 38

    0.8 weighted points to Aon Assessment

  5. 15% weight · 93% of the movement so far

    Data Governance Disclosure

    Aon Assessment 38 · Arena Analytics 42

    0.6 weighted points to Arena Analytics

  6. 12% weight · 100% of the movement so far

    Post-Market Monitoring

    Aon Assessment 25 · Arena Analytics 28

    0.4 weighted points to Arena Analytics

Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +3.6 — the difference between the two totals before either is rounded. Shares are of 5.5 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 +3.6.

§ Category-by-category

Raw score per criterion, with weighted delta.

Δ is Aon Assessment minus Arena Analytics.

CategoryWeightAon AssessmentArena AnalyticsΔ rawΔ weighted
Article 11 Technical Documentation20%4030+10+2.0
Bias Audit Transparency18%3025+5+0.9
FRIA Support15%2525--
Data Governance Disclosure15%3842-4-0.6
Human Oversight Design12%4538+7+0.8
Post-Market Monitoring12%2528-3-0.4
Customer Documentation8%4838+10+0.8
Total100%35 (F)32 (F)+3+3.6

§ 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 AssessmentArena Analytics
CitedAbsencesAudit / hostingCitedAbsencesAudit / hosting
Article 11 Technical Documentation20%21Sources on the vendor's own domain31Sources on a separate domain
Bias Audit Transparency18%11Audit reportSources on a separate domain21—
FRIA Support15%11Sources on the vendor's own domain11Sources on the vendor's own domain
Data Governance Disclosure15%21Sources on the vendor's own domain61Sources on the vendor's own domain
Human Oversight Design12%20Sources on the vendor's own domain61Sources on the vendor's own domain
Post-Market Monitoring12%11—21Sources on the vendor's own domain
Customer Documentation8%21Sources on the vendor's own domain31Sources on the vendor's own domain
All criteria100%116Audit reportSources on the vendor's own domainSources on a separate domain237Sources on the vendor's own domainSources on a separate domain

Aon Assessment has 17 evidence rows across 7 of 7 criteria — 11 with a source URL, 6 documented absences; Arena Analytics has 30 evidence rows across 7 of 7 criteria — 23 with a source URL, 7 documented absences; some documentation or audit rows for Aon Assessment and Arena Analytics sit on a domain separate from the vendor's own site.

Provenance

The scores above are documented by 47 evidence rows on file for these two vendors: 17 for Aon Assessment, across 3 distinct source domains, and 30 for Arena Analytics, across 3 distinct source domains.

Rubric
v1.0
Aon Assessment last reviewed
June 7, 2026 · HireAIScore editorial team
Arena Analytics last reviewed
September 25, 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.