Aon · IT & Business Analysis

Aon Business Analyst Interview

Complete guide to the Business Analyst interview at Aon — real questions, insider tips, salary data, and stage-by-stage preparation.

4-8 weeks from application to offer

5 stages

12 questions

Practise this interview free

Overview

Interviewing for Business Analyst at Aon

Interviewing for a Business Analyst position at Aon is a distinct experience from applying to the same role elsewhere. Aon with 50,000+ employees, has built a structured hiring process that reflects both the demands of the Business Analyst role and the company's own values and culture. The process is designed to assess not just whether you can do the job technically, but whether you'll thrive in Aon's specific working environment.

For Business Analysts specifically, Aon assesses a blend of role-specific expertise and alignment with the company's working style. Interviewers want to see evidence that you've delivered measurable results in similar settings and that you understand the particular challenges Business Analysts face in the consulting & advisory sector. Come prepared to discuss specific examples from your experience, not generic talking points.

Understanding what Aon values — and how that translates into their interview expectations for a Business Analyst — gives you a significant advantage. This guide breaks down the full process, the specific questions you're likely to face, and how to prepare effectively.

Process

How Aon interviews Business Analysts

Aon's interview process for Business Analyst roles typically runs 4-8 weeks and involves 5 distinct stages. The process begins with online application and cv screening and progresses through increasingly focused assessments. Each stage is designed to evaluate different aspects of your suitability — from baseline qualifications through to cultural alignment and role-specific capability.

For Business Analyst candidates, the process is structured to assess both your technical competence and your fit within Aon's team. Expect a mix of competency-based questions testing relevant experience, scenario-based discussions probing your judgement, and conversations about your career goals. Aon looks for candidates who can demonstrate impact from previous roles and articulate how they'd contribute here.

Online application and CV screening

Tailor your application specifically for the Business Analyst role at Aon. Highlight experience with Requirements analysis, Communication, Problem-solving and use language that mirrors their job description. Aon receives high volumes of applications, so a generic CV will be filtered out.

First-round interviews (case discussions and HR thinking)

Prepare concrete examples of your Business Analyst work. Demonstrate your analytical thinking and attention to detail. Aon values candidates who can structure their approach clearly and explain their reasoning.

Second-round interviews (complex cases and strategic discussion)

Final round with senior consultant or director on career vision

This stage assesses your strategic thinking and cultural fit at Aon. Prepare to discuss where you see yourself in 3-5 years and how the Business Analyst role fits your career goals. Ask thoughtful questions about Aon's direction and team structure.

Optional analytical or case assessment

Qualities

What Aon looks for in Business Analysts

Analytical rigour and HR consulting thinking

Aon values analytical rigour and hr consulting thinking because Analytical rigour and HR consulting thinking.

For the Business Analyst role, show this by sharing examples where you used Requirements analysis or Communication to deliver measurable results.

Benefits and compensation acumen

Aon values benefits and compensation acumen because Benefits and compensation acumen.

For the Business Analyst role, show this by sharing examples where you used Requirements analysis or Communication to deliver measurable results.

Communication clarity and ability to advise on complex matters

Aon values communication clarity and ability to advise on complex matters because Communication clarity and ability to advise on complex matters.

As a Business Analyst, demonstrate this through Explains technical concepts simply to business stakeholders and articulates business constraints clearly to engineers..

Collaborative approach with strong engagement skills

Aon values collaborative approach with strong engagement skills because Collaborative approach with strong engagement skills.

As a Business Analyst, demonstrate this through Explains technical concepts simply to business stakeholders and articulates business constraints clearly to engineers..

Curiosity and investigative mindset

For Business Analyst roles specifically, curiosity and investigative mindset is essential because Asks "why" repeatedly; doesn't accept vague requirements; digs into root causes rather than treating symptoms..

Prepare 2-3 examples from your experience that clearly demonstrate curiosity and investigative mindset. Aon's interviewers will probe this in behavioural questions.

Questions

Aon Business Analyst interview questions

Tell us about your background and interest in Aon.

Aon asks this to assess your fit for the Business Analyst role and alignment with their values.

Frame your answer around your Business Analyst experience specifically. Reference Aon's values or recent projects to show you've done your research.

Describe a project involving benefits, compensation, or pensions.

Aon asks this to assess your fit for the Business Analyst role and alignment with their values.

Frame your answer around your Business Analyst experience specifically. Reference Aon's values or recent projects to show you've done your research.

Give an example of when you analysed HR or compensation data.

Aon asks this to assess your fit for the Business Analyst role and alignment with their values.

Frame your answer around your Business Analyst experience specifically. Reference Aon's values or recent projects to show you've done your research.

How do you approach benefits or compensation strategy?

Aon asks this to assess your fit for the Business Analyst role and alignment with their values.

Frame your answer around your Business Analyst experience specifically. Reference Aon's values or recent projects to show you've done your research.

Video Interview Practice

Choose your interview type

Your question

“Tell me about yourself and what makes you a strong candidate for this role.”

30s preparation 2 min recording Camera + mic

Preparation

How to prepare for your Aon Business Analyst interview

Preparing for a Business Analyst interview at Aon requires a dual focus: you need to master the role-specific technical requirements and understand how Aon operates as an organisation. Start by thoroughly reviewing the job description and mapping your experience against every requirement. For each skill or qualification listed, prepare a specific example from your career that demonstrates competence — ideally with quantifiable outcomes.

On the role-specific side, ensure you can discuss Requirements analysis, Communication, Problem-solving, Data analysis with confidence and provide concrete examples. Aon values candidates who can connect their technical skills to business outcomes, so prepare to explain not just what you did, but the measurable impact it had.

Research Aon beyond their website: read recent news, check their Glassdoor reviews (their rating is 3.9/5), and look at what current employees say about working there. Understanding their culture helps you frame your answers authentically and ask informed questions — interviewers notice when a candidate has done their homework versus when they're winging it.

Preparation checklist

1Review the Business Analyst job description in detail and map each requirement to a specific example from your experience
2Research Aon's recent news, strategic direction, and consulting & advisory position over the last 12 months
3Prepare 6-8 examples using situation-action-result structure covering: analytical rigour and hr consulting thinking, benefits and compensation acumen, communication clarity and ability to advise on complex matters
4Practise discussing your experience with Requirements analysis, Communication, Problem-solving, Data analysis in concrete, outcome-focused terms
5Prepare 3-5 thoughtful questions about the Business Analyst role, team structure, and Aon's direction — avoid questions answered on their website
6Review Aon's values and culture: Analytical rigour and HR consulting thinking and Benefits and compensation acumen — prepare examples showing alignment
7Review industry trends in consulting & advisory that could affect Aon's business and the Business Analyst function
8Plan your interview logistics: know the format (in-person/remote), dress code, and who you're meeting — check LinkedIn for interviewer backgrounds if known

The role

Working as a Business Analyst at Aon

A typical day as a Business Analyst at Aon blends the core responsibilities of the role with Aon's specific working culture and pace. In an organisation of 50,000+ employees, you'd be part of a structured team with clear reporting lines, regular meetings, and established processes. Aon's consulting & advisory focus means the work carries a results-oriented rhythm where impact is measured and visible.

Your day would typically involve conduct stakeholder interviews with finance, ops, and it to document requirements for a new order management system. At Aon specifically, this work is shaped by their emphasis on analytical rigour and hr consulting thinking and benefits and compensation acumen, so expect collaborative working, regular check-ins, and an environment where proactive contribution is noticed and rewarded.

Compensation

Business Analyst salary at Aon

Typical range

£42,000–£60,000 (typically above market average)

Business Analyst salaries at Aon tend to sit at the upper end of the UK market. Aon offers structured pay bands with clear progression tied to performance reviews and promotions. The UK average for Business Analysts ranges from £28,000–£37,000 at junior level to £65,000–£90,000+ for experienced professionals, and Aon's positioning within that range reflects their consulting & advisory standing and location.

Beyond base salary, Aon offers a benefits package that includes Competitive salary with performance bonus (10-20% of base), Private health insurance with family coverage options, Pension scheme with generous employer contribution (8%+), Flexible working and parental leave (18+ weeks), Professional development budget and training. For Business Analysts specifically, the total compensation package including pension, holiday, and professional development support adds meaningful value beyond the headline salary figure.

Application

How to apply for Business Analyst at Aon

Getting through the door for a Business Analyst role at Aon starts well before the interview. Aon typically advertises roles on their careers page and major job boards, but for competitive positions, a direct referral from a current employee can significantly improve your chances. If you know anyone at Aon — or can connect through LinkedIn or industry events — a warm introduction carries more weight than a cold application.

Your application should speak directly to the Business Analyst requirements and Aon's stated values. Focus on outcomes and measurable impact. Aon receives many applications for Business Analyst positions, so specific achievements (revenue, efficiency, growth metrics) differentiate you from candidates who only describe responsibilities.

Write a cover letter that names Aon and the Business Analyst role explicitly — generic applications are obvious and get filtered. Reference something specific about Aon: a recent project, their market position, or a strategic direction that aligns with your experience. Keep it to one page and lead with your strongest relevant achievement.

Common mistakes to avoid

1Applying with a generic CV that doesn't mention Aon or the specific Business Analyst requirements — tailoring your application is non-negotiable here
2Not researching Aon's values and interview style — candidates who can't articulate why they want to work specifically at Aon rarely progress past first-round
3Preparing only generic Business Analyst examples without connecting them to Aon's consulting & advisory context and priorities
4Underestimating the cultural fit assessment — Aon's interviewers give significant weight to whether you'll thrive in their specific environment
5Failing to prepare thoughtful questions — asking nothing, or asking questions easily answered on Aon's website, signals a lack of genuine interest in the role

FAQs

Frequently asked questions

How long does the Aon Business Analyst interview process take?

Aon's interview process for Business Analyst roles typically takes 4-8 weeks. This varies depending on the seniority of the role and the number of candidates at each stage. Some candidates report faster timelines when there's an urgent hiring need.

What salary can a Business Analyst expect at Aon?

Business Analyst salaries at Aon range from £28,000–£37,000 for junior positions to £65,000–£90,000+ for experienced professionals. Aon generally offers competitive packages with structured pay progression.

What does Aon look for in Business Analyst candidates?

Aon prioritises analytical rigour and hr consulting thinking, benefits and compensation acumen, communication clarity and ability to advise on complex matters when hiring Business Analysts. Beyond technical competence, they value candidates who align with their company culture and can demonstrate measurable impact from previous roles.

Is it hard to get a Business Analyst job at Aon?

Aon is a competitive employer for Business Analyst positions. As a major employer, they receive high volumes of applications, so standing out requires a tailored application and thorough preparation. The key differentiator is preparation: candidates who research Aon specifically and connect their experience to the role's requirements consistently outperform those who don't.

What's the best way to prepare for a Business Analyst interview at Aon?

Start by researching Aon's values, recent news, and consulting & advisory position. Prepare 6-8 structured examples from your Business Analyst experience covering analytical rigour and hr consulting thinking and benefits and compensation acumen. Practise discussing your technical skills (Requirements analysis, Communication, Problem-solving) with specific outcomes. Prepare thoughtful questions about the role and team.

Does Aon offer graduate or entry-level Business Analyst positions?

Aon typically offers structured graduate programmes and entry-level Business Analyst pathways. Check their careers page for current openings — application windows for graduate schemes often close 6-12 months before the start date.

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