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Aon Business Analyst Interview Questions

The questions to prepare for a Aon Business Analyst interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
StrategyStart here. 3 questions · ~24 min
Estimate Digital Product Market SizeHard

Estimate the market size for a new digital product opportunity using a structured TAM, SAM, SOM approach.

EstimationTAM/SAM/SOMMarket SizingAon
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2
Metrics4 questions · ~32 min
Measure Process Change ImpactMedium

Define whether a process change improved team performance using leading and lagging metrics.

KPIsLeading IndicatorsDiagnosisAon
Measuring Business ValueMedium

Evaluates your ability to define impact metrics and track outcomes from analysis.

KPIsLeading IndicatorsDiagnosisAon
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3
Execution3 questions · ~24 min
Complex Data Challenge WalkthroughHard

Evaluates end-to-end analytics execution from problem framing to actionable insights.

analytical skillsAon
Relocation WillingnessEasy

Tests logistical fit for the role location requirements.

Risk AssessmentScope ManagementAon
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4
Behavioral & Leadership35 questions · ~280 min
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5
More topics5 questions · ~40 min
Align Product With User NeedsMedium

A framework for connecting user needs to business goals, then making product decisions with clear trade-offs and measurable outcomes.

User NeedsValue PropositionProduct VisionAon
Reinsurance Basics and StructuresMedium

Assesses your finance and insurance domain knowledge relevant to Aon’s clients and risk transfer needs.

reinsuranceAon
Validate Analysis Before SharingMedium

Tests quality assurance, statistical sanity checks, and confidence in results.

Data WranglingAggregationsQualityAon
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Analyze Decision Impact by RegionEasy
Practice
Practice drill

Use joins, CASE WHEN, and date filtering to compare outcome rates before and after a decision.

Data WranglingDiagnosisAggregationsHarbourVest Partners
Daily Session Funnel Conversion RatesHard
Practice
Practice drill

Calculate daily session-level funnel conversion rates using CTEs, CASE WHEN, and date functions.

User NeedsData WranglingAggregations
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.