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Aon Assessment vs Spark Hire

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§ The result

Spark Hire leads Aon Assessment on all 7 criteria.

Spark Hire finishes 18 points clear of Aon Assessment under rubric v1.0 — 53 against 35 — across the Video interview and Assessment cohorts. Spark Hire leads every one of the 7 criteria, Aon Assessment none of them, and the closest of the 7 is FRIA Support, Aon Assessment 25 to Spark Hire 30. Bias Audit Transparency is the widest raw gap and the heaviest weighted swing at once (Aon Assessment 30, Spark Hire 62, 18% weight), but it accounts for only 31% of the weighted advantage Spark Hire holds across the 7 criteria on that side of the table.

§ The record

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

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

RecordAon AssessmentSpark Hire
Price tierEnterpriseMid
HeadquartersDEUS
Founded20022012

§ What decides it

The criteria that move the gap, heaviest swing first.

  1. 18% weight · 31% of the movement so far

    Bias Audit Transparency

    Aon Assessment 30 · Spark Hire 62

    5.8 weighted points to Spark Hire

  2. 20% weight · 51% of the movement so far

    Article 11 Technical Documentation

    Aon Assessment 40 · Spark Hire 58

    3.6 weighted points to Spark Hire

  3. 15% weight · 69% of the movement so far

    Data Governance Disclosure

    Aon Assessment 38 · Spark Hire 60

    3.3 weighted points to Spark Hire

  4. 12% weight · 80% of the movement so far

    Human Oversight Design

    Aon Assessment 45 · Spark Hire 62

    2.0 weighted points to Spark Hire

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

    Post-Market Monitoring

    Aon Assessment 25 · Spark Hire 38

    1.6 weighted points to Spark Hire

  6. 8% weight · 96% of the movement so far

    Customer Documentation

    Aon Assessment 48 · Spark Hire 64

    1.3 weighted points to Spark Hire

  7. 15% weight · 100% of the movement so far

    FRIA Support

    Aon Assessment 25 · Spark Hire 30

    0.8 weighted points to Spark Hire

Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -18.3 — the difference between the two totals before either is rounded. Shares are of 18.3 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -18 beside that -18.3.

§ Category-by-category

Raw score per criterion, with weighted delta.

Δ is Aon Assessment minus Spark Hire.

CategoryWeightAon AssessmentSpark HireΔ rawΔ weighted
Article 11 Technical Documentation20%4058-18-3.6
Bias Audit Transparency18%3062-32-5.8
FRIA Support15%2530-5-0.8
Data Governance Disclosure15%3860-22-3.3
Human Oversight Design12%4562-17-2.0
Post-Market Monitoring12%2538-13-1.6
Customer Documentation8%4864-16-1.3
Total100%35 (F)53 (F)-18-18.3

§ 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 AssessmentSpark Hire
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 domain30Audit reportSources on a separate 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 domain30Sources on the vendor's own domain
Human Oversight Design12%20Sources on the vendor's own domain30Sources on the vendor's own domain
Post-Market Monitoring12%1121Sources on the vendor's own domain
Customer Documentation8%21Sources on the vendor's own domain21Sources on the vendor's own domainSources on a separate domain
All criteria100%116Audit reportSources on the vendor's own domainSources on a separate domain164Audit reportSources 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; Spark Hire has 20 evidence rows across 7 of 7 criteria — 16 with a source URL, 4 documented absences; some documentation or audit rows for Aon Assessment and Spark Hire sit on a domain separate from the vendor's own site.

Provenance

The scores above are documented by 37 evidence rows on file for these two vendors: 17 for Aon Assessment, across 3 distinct source domains, and 20 for Spark Hire, across 2 distinct source domains.

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