HomeCompareAon Assessment vs Cognisess

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Aon Assessment vs Cognisess

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§ The result

Aon Assessment leads Cognisess by 5 points.

Aon Assessment scores 35 and Cognisess 30 under rubric v1.0 — a 5-point gap inside the Assessment cohort. The 7 criteria split 5 to 2 in favour of Aon Assessment: Aon Assessment is ahead on Article 11 Technical Documentation and Cognisess on Post-Market Monitoring. One criterion, Article 11 Technical Documentation, is both the widest raw gap (Aon Assessment 40, Cognisess 25) and the heaviest weighted swing, and at 20% weight it makes up 46% of the weighted advantage Aon Assessment holds across the 5 criteria it leads.

§ The record

Aon Assessment and Cognisess are both filed under Assessment AI. They also share 2 secondary categories: Video interview and Screening.

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

RecordAon AssessmentCognisess
Price tierEnterpriseMid
HeadquartersDEGB
Founded20022011

§ What decides it

The criteria that move the gap, heaviest swing first.

  1. 20% weight · 38% of the movement so far

    Article 11 Technical Documentation

    Aon Assessment 40 · Cognisess 25

    3.0 weighted points to Aon Assessment

  2. 18% weight · 60% of the movement so far

    Bias Audit Transparency

    Aon Assessment 30 · Cognisess 20

    1.8 weighted points to Aon Assessment

  3. 12% weight · 71% of the movement so far

    Post-Market Monitoring

    Aon Assessment 25 · Cognisess 32

    0.8 weighted points to Cognisess

  4. 15% weight · 80% of the movement so far

    FRIA Support

    Aon Assessment 25 · Cognisess 20

    0.8 weighted points to Aon Assessment

  5. 8% weight · 88% of the movement so far

    Customer Documentation

    Aon Assessment 48 · Cognisess 40

    0.6 weighted points to Aon Assessment

  6. 15% weight · 95% of the movement so far

    Data Governance Disclosure

    Aon Assessment 38 · Cognisess 42

    0.6 weighted points to Cognisess

  7. 12% weight · 100% of the movement so far

    Human Oversight Design

    Aon Assessment 45 · Cognisess 42

    0.4 weighted points to Aon Assessment

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 8.0 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 Cognisess.

CategoryWeightAon AssessmentCognisessΔ rawΔ weighted
Article 11 Technical Documentation20%4025+15+3.0
Bias Audit Transparency18%3020+10+1.8
FRIA Support15%2520+5+0.8
Data Governance Disclosure15%3842-4-0.6
Human Oversight Design12%4542+3+0.4
Post-Market Monitoring12%2532-7-0.8
Customer Documentation8%4840+8+0.6
Total100%35 (F)30 (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 AssessmentCognisess
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 domain21—
FRIA Support15%11Sources on the vendor's own domain21Sources on the vendor's own domain
Data Governance Disclosure15%21Sources on the vendor's own domain50Sources on the vendor's own domainSources on a separate domain
Human Oversight Design12%20Sources on the vendor's own domain50Sources on a separate 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 domainSources on a separate domain
All criteria100%116Audit reportSources on the vendor's own domainSources on a separate domain215Sources 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; Cognisess has 26 evidence rows across 7 of 7 criteria — 21 with a source URL, 5 documented absences; some documentation or audit rows for Aon Assessment and Cognisess sit on a domain separate from the vendor's own site.

Provenance

The scores above are documented by 43 evidence rows on file for these two vendors: 17 for Aon Assessment, across 3 distinct source domains, and 26 for Cognisess, across 5 distinct source domains.

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