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Updated weekly · Last refresh Oct 17

Aon Business Analyst Interview Questions

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

50questions
~7htotal time
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1
MetricsStart here. 4 questions · ~32 min
Measure Process Change ImpactMedium

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

KPIsLeading IndicatorsDiagnosisAon
Choosing Metrics Across TeamsMedium

Assesses your ability to balance competing priorities into a coherent measurement plan.

KPIsLeading IndicatorsDiagnosisAon
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2
Strategy3 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
Case Interview Framework ApproachMedium

Tests your ability to apply structured frameworks to solve business problems.

EstimationCompetitive AnalysisGo-to-MarketAon
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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
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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
Excel ProficiencyEasy

Assesses your practical Excel skills for analysis, reporting, and data manipulation.

JoinsData WranglingAggregationsAon
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL for Top BottlenecksMedium
Practice
Practice drill

How would you use SQL to identify the top 5 operational bottlenecks by average resolution time over the last quarter at Aon? Use the operational bottlenec...

Date FunctionsJoinsRankingAon
SQL for Monthly SLA AttainmentMedium
Practice
Practice drill

Join Aon client and performance records to calculate monthly SLA attainment percentages by team.

Date FunctionsJoinsAggregationsAon
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
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.