Pre-Employment Screening & Hiring

TraitLab Pro vs. Aon: Self-Serve vs. Enterprise Hiring

These two platforms solve fundamentally different problems. Aon Assessment Solutions is an enterprise hiring infrastructure — personality screening embedded in applicant tracking workflows, built for organizations processing thousands of candidates. TraitLab Pro is a self-serve personality assessment for employee development and coaching. If you need to screen job applicants at scale with ATS integration, TraitLab Pro will not help you. If you need research-validated personality insights for team development or coaching without an enterprise sales cycle, Aon is not set up for that. The use cases barely overlap.

Quick verdict

TraitLab Pro

Choose TraitLab Pro if you need personality assessments for development or coaching and want to start today without enterprise procurement.

Aon Assessment Solutions

Choose Aon Assessment Solutions if you need high-volume pre-employment screening integrated into your existing ATS workflow.

These platforms serve different purposes

Aon is built for pre-employment screening and hiring. TraitLab Pro is built for employee development and coaching. These solve different problems. If you are evaluating job candidates and need personality data flowing into your applicant tracking system, you need a hiring tool like Aon — TraitLab Pro does not offer ATS integration, candidate ranking, or role-fit scoring. If you are developing existing employees or coaching clients, Aon's enterprise-only model and hiring-focused outputs are not what you need.

Side-by-side comparison

Assessment

	TraitLab Pro	Aon Assessment Solutions
Personality Model	Big Five + established frameworks (Enneagram, Jungian, RIASEC)	ADEPT-15 — proprietary model with 15 personality aspects and 6 work styles
Traits/Dimensions Measured	Customizable: Personality Traits, Strengths, Working Style, Interpersonal Style, Jungian Typology, Enneagram Typology	15 personality aspects + 6 work styles
Scientific Basis	Peer-reviewed, research-validated instruments	Proprietary; validation details not publicly available
Customizability	Mix-and-match assessment areas; compact 20-min option	Not publicly detailed

Personality Model

TraitLab Pro

Big Five + established frameworks (Enneagram, Jungian, RIASEC)

Aon Assessment Solutions

ADEPT-15 — proprietary model with 15 personality aspects and 6 work styles

Traits/Dimensions Measured

TraitLab Pro

Customizable: Personality Traits, Strengths, Working Style, Interpersonal Style, Jungian Typology, Enneagram Typology

Aon Assessment Solutions

15 personality aspects + 6 work styles

Scientific Basis

TraitLab Pro

Peer-reviewed, research-validated instruments

Aon Assessment Solutions

Proprietary; validation details not publicly available

Customizability

TraitLab Pro

Mix-and-match assessment areas; compact 20-min option

Aon Assessment Solutions

Not publicly detailed

Implementation

	TraitLab Pro	Aon Assessment Solutions
Setup Model	Fully self-serve; free account creation	Contact-based enterprise sales; consultant-led implementation
Certification/Training Required	None	Not publicly specified
Time to First Assessment	Minutes (sign up, purchase credits, send link)	Weeks to months (enterprise sales cycle, integration)
ATS/HR System Integration	No	Yes — 80+ ATS integrations
Scalability	Any scale; credit-based, no minimums	Built for enterprise-scale, high-volume hiring

Setup Model

TraitLab Pro

Fully self-serve; free account creation

Aon Assessment Solutions

Contact-based enterprise sales; consultant-led implementation

Certification/Training Required

TraitLab Pro

None

Aon Assessment Solutions

Not publicly specified

Time to First Assessment

TraitLab Pro

Minutes (sign up, purchase credits, send link)

Aon Assessment Solutions

Weeks to months (enterprise sales cycle, integration)

ATS/HR System Integration

TraitLab Pro

Aon Assessment Solutions

Yes — 80+ ATS integrations

Scalability

TraitLab Pro

Any scale; credit-based, no minimums

Aon Assessment Solutions

Built for enterprise-scale, high-volume hiring

User experience

	TraitLab Pro	Aon Assessment Solutions
Assessment Duration	10-60 min (customizable); 20 min compact option	~25 minutes
Device Support	Mobile and desktop	Mobile and desktop
Question Format	Short multiple choice	Not publicly specified
Results Delivery	Instant, digital, self-serve for both test taker and admin	Not publicly detailed; likely integrated into ATS/hiring workflows
Admin Portal	Yes — view, compare, manage all results	Enterprise dashboard (details not public)

Assessment Duration

TraitLab Pro

10-60 min (customizable); 20 min compact option

Aon Assessment Solutions

~25 minutes

Device Support

TraitLab Pro

Mobile and desktop

Aon Assessment Solutions

Mobile and desktop

Question Format

TraitLab Pro

Short multiple choice

Aon Assessment Solutions

Not publicly specified

Results Delivery

TraitLab Pro

Instant, digital, self-serve for both test taker and admin

Aon Assessment Solutions

Not publicly detailed; likely integrated into ATS/hiring workflows

Admin Portal

TraitLab Pro

Yes — view, compare, manage all results

Aon Assessment Solutions

Enterprise dashboard (details not public)

Pricing

	TraitLab Pro	Aon Assessment Solutions
Pricing Model	Per-assessment credits; transparent, published pricing	Contact-only; custom enterprise quotes
Entry Price	$49/assessment (1 credit)	Not publicly available
Volume Price	$24/assessment (100+ credits)	Not publicly available
Annual Minimums/Subscriptions	None	Likely (enterprise contracts)
Hidden Costs	None	Likely consulting, integration, and implementation fees
Free Tier/Trial	Free account; credits required for assessments	Not available

Pricing Model

TraitLab Pro

Per-assessment credits; transparent, published pricing

Aon Assessment Solutions

Contact-only; custom enterprise quotes

Entry Price

TraitLab Pro

$49/assessment (1 credit)

Aon Assessment Solutions

Not publicly available

Volume Price

TraitLab Pro

$24/assessment (100+ credits)

Aon Assessment Solutions

Not publicly available

Annual Minimums/Subscriptions

TraitLab Pro

None

Aon Assessment Solutions

Likely (enterprise contracts)

Hidden Costs

TraitLab Pro

None

Aon Assessment Solutions

Likely consulting, integration, and implementation fees

Free Tier/Trial

TraitLab Pro

Free account; credits required for assessments

Aon Assessment Solutions

Not available

Use case fit

	TraitLab Pro	Aon Assessment Solutions
Pre-employment Screening & Hiring	Not supported	Primary
Employee Development & Team Building	Primary	Not a primary focus
Leadership Development & Succession Planning	Secondary	Secondary
Coaching & Professional Development	Primary	Not supported

Pre-employment Screening & Hiring

TraitLab Pro

Not supported

Aon Assessment Solutions

Primary

Employee Development & Team Building

TraitLab Pro

Primary

Aon Assessment Solutions

Not a primary focus

Leadership Development & Succession Planning

TraitLab Pro

Secondary

Aon Assessment Solutions

Secondary

Coaching & Professional Development

TraitLab Pro

Primary

Aon Assessment Solutions

Not supported

Key differences

Aon Assessment Solutions's advantages

Deep ATS integration (80+ systems) purpose-built for high-volume hiring workflows
Enterprise infrastructure backed by a global professional services firm (66,000+ employees, 120 countries)
Purpose-built for pre-employment screening with candidate selection as the core use case

TraitLab Pro's advantages

Transparent, published pricing vs. opaque enterprise quoting
Self-serve setup in minutes vs. extended enterprise sales and implementation cycles
Uses established, peer-reviewed frameworks (Big Five) vs. a proprietary model with limited public validation
Broader assessment scope covering development, coaching, and team building — not just hiring
Accessible to small and mid-size organizations without enterprise budgets

About Aon Assessment Solutions

Strengths

Unmatched ATS integration depth for enterprise hiring workflows
Global scale and infrastructure suitable for multinational deployments
Backed by the resources and credibility of a major professional services firm

Trade-offs

No transparent pricing; requires enterprise sales engagement
Proprietary assessment model with limited publicly available validation data
Not designed for development, coaching, or team building use cases
Inaccessible to small or mid-size organizations due to enterprise-only sales model

The bottom line

This is not really a head-to-head comparison — it is a category distinction. Aon serves enterprise talent acquisition teams with deep ATS integrations across 80+ systems, consultant-led implementation, and hiring-optimized outputs. TraitLab Pro serves coaches, HR professionals, and team leads who want multi-framework personality insights for development, accessible in minutes at $24-49 per assessment with no sales cycle. The right choice depends entirely on whether your goal is screening candidates or developing people.

Interactive guide

Not sure which platform is right for you?

Answer 6 quick questions and get personalized recommendations from 31 platforms.

Take the quiz

See what TraitLab Pro measures

Six validated personality frameworks from a single 20-minute assessment. No certification required.

Create your free account