Aon Hewitt Outsourcing Review 2025
Global leader in HR outsourcing and workforce solutions
Aon Hewitt is a global leader in human resources outsourcing, benefits administration, and talent solutions. In Singapore, Aon Hewitt provides end-to-end HR outsourcing services including payroll processing, benefits administration, HR administration, and compliance management. With deep actuarial expertise and global delivery capabilities, Aon Hewitt helps organizations optimize HR operations, reduce costs, and improve employee experience through technology-enabled solutions.
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Pros and Cons
Pros
- Strong global brand with deep HR expertise
- Comprehensive service offerings from payroll to full HRO
- Excellent compliance and risk management
- Technology-enabled solutions with good platform
- Global delivery model provides cost efficiency
- Good for mid-to-large enterprises
Cons
- Premium pricing vs local outsourcing providers
- Minimum 100 employees (not suitable for SMEs)
- Implementation can take 3-6 months
- Offshore delivery model may concern some clients
- Less flexibility for highly customized processes
Key Features & Services
End-to-End Payroll Services
Comprehensive payroll processing including salary calculations, CPF submissions, IRAS filings, bank payments, payslip distribution, and year-end reporting. Guaranteed accuracy and compliance with SLA commitments.
Benefits Administration
Complete benefits management including insurance enrollment, claims processing, vendor coordination, employee communications, and benefits technology platform. Reduces admin burden and improves employee experience.
HR Technology Platform
Cloud-based HR portal for employee self-service, manager self-service, workflow automation, reporting, and analytics. Mobile-friendly with integration to client systems.
Compliance & Risk Management
Proactive compliance monitoring covering Employment Act, CPF regulations, IRAS requirements, MOM guidelines, and data privacy. Regular audits and risk assessments ensure adherence.
Global Delivery Model
Multi-shore delivery model leveraging Singapore, India, and Philippines service centers for cost optimization while maintaining quality. 24/5 support coverage across time zones.
Scalability & Flexibility
Flexible service models allowing organizations to outsource specific HR functions or entire HR operations. Easily scales with business growth or contraction without additional infrastructure.
Pricing & Plans
Pricing Model: Per Employee Monthly Fee | Starting From: From $50 per employee/month
Payroll Processing
- Full payroll processing
- CPF & tax compliance
- Payslip distribution
- Year-end reporting
- Employee helpdesk
- Minimum 100 employees
HR Administration
- All Payroll features
- Benefits administration
- Leave management
- HR transaction processing
- Employee data management
- Compliance monitoring
Comprehensive HRO
- All HR Administration features
- Recruitment support
- Talent management
- HR advisory services
- Change management
- Dedicated account team
What Clients Say
"Aon Hewitt took over our entire HR operations and delivered immediate value. Payroll accuracy improved, costs reduced by 30%, and our HR team can focus on strategic initiatives."
"Professional service with excellent compliance management. Implementation took 4 months but transition was smooth. Technology platform works well for employee self-service."
"Good outsourcing partner though premium pricing. The offshore delivery model was concerning initially but service quality has been consistent. Would recommend for companies 500+ employees."
Frequently Asked Questions
How much does Aon Hewitt HR outsourcing cost?
Aon Hewitt pricing: Payroll-only ($50-$80/employee/month), HR Administration ($80-$120/employee/month), Comprehensive HRO ($120-$200+/employee/month). For 500 employees: expect $25K-$40K (payroll), $40K-$60K (HR admin), or $60K-$100K+ (full HRO) monthly. Minimum 100 employees. Implementation fee $50K-$200K depending on scope. Premium pricing justified by quality, technology, and global capabilities.
What is included in Aon Hewitt payroll outsourcing?
Payroll services include: (1) Monthly salary processing, (2) CPF calculations and submissions, (3) IRAS filings (IR8A, IR21, IR8S), (4) SDL computations, (5) Bank GIRO payments, (6) Digital payslip distribution, (7) Ad-hoc payments (bonuses, adjustments), (8) Year-end reconciliation, (9) Employee payroll helpdesk, (10) Payroll reports and analytics. 99.9% accuracy guarantee with SLA commitments.
How long does Aon Hewitt implementation take?
Implementation timelines: Payroll-only (2-3 months), HR Administration (3-4 months), Full HRO (4-6 months). Includes: current state analysis, process design, data migration, system configuration, integration, testing, training, and transition. Parallel payroll runs recommended for 1-2 cycles. Implementation fee $50K-$200K depending on complexity. Aon provides dedicated project management and transition support.
Does Aon Hewitt use offshore delivery centers?
Yes, Aon uses multi-shore delivery model with service centers in Singapore, India, and Philippines. Strategic work (client relationships, complex processing) handled in Singapore; transactional work (data entry, reporting) done offshore for cost efficiency. This model delivers 20-30% cost savings vs fully onshore. All offshore staff undergo training on Singapore compliance. Data security and privacy maintained through ISO certifications.
Can we outsource specific HR functions or must it be full HRO?
Aon Hewitt offers modular services - you can outsource: (1) Payroll only, (2) Payroll + Benefits, (3) HR Administration (leave, data management), (4) Recruitment support, (5) Full-service HRO covering everything. Most clients start with payroll then expand to additional functions. Minimum 100 employees required regardless of service scope. Flexible contracting allows adding/removing services as needs change.
What technology platform does Aon Hewitt provide?
Aon provides cloud-based HR portal including: (1) Employee self-service (payslips, leave, benefits, personal data), (2) Manager self-service (approvals, team reports), (3) HR administrator console, (4) Workflow automation, (5) Reporting and analytics, (6) Mobile app access, (7) Integration APIs. Platform is included in service fee. Can integrate with client's existing HRIS or operate standalone.
How does Aon Hewitt ensure payroll accuracy and compliance?
Quality assurance through: (1) Dual verification of all payroll calculations, (2) Automated compliance checks for CPF/IRAS rules, (3) Regular process audits, (4) Dedicated quality team, (5) 99.9% accuracy SLA with penalties for errors, (6) Continuous compliance monitoring, (7) Regular training on regulatory updates, (8) Client approval before final processing. Track record of consistently meeting accuracy commitments.
Is Aon Hewitt suitable for SMEs under 200 employees?
Aon Hewitt requires minimum 100 employees and is optimized for 200+ employee companies. SMEs under 200 may find: (1) Pricing too high relative to value, (2) Services more comprehensive than needed, (3) Implementation too involved. Better SME options: SD Worx (lower minimum), PayAsia Solutions (SME-focused), or Singapore payroll specialists. Aon Hewitt ideal for enterprises seeking comprehensive, technology-enabled HRO with global consistency.
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