Affinity vs Aurion – outsourced & managed payroll compared

Delivery footprint

Both providers deliver 100% onshore, which sets this comparison apart from providers using offshore processing centres. The difference lies in geographic and jurisdictional scope.

Calculation depth

Aurion's advanced award engine is purpose-built for public sector, higher education, and complex multi-post EBAs – a genuine specialisation that suits organisations with dense, layered enterprise agreements. Affinity's engine handles the same category of complexity – intricate shift penalties, multi-tier EBAs, allowance stacking – across a broader range of AU/NZ industries rather than a public-sector specialisation.

On NZ compliance, Aurion offers standard NZ compliance but is primarily optimised for Australian frameworks – NZ depth is not a particular strength for the vendor. Affinity's NZ engine is native, tracking continuous gross earnings, OWP, ADP, and leave liabilities as a first-class part of the platform, not an addition to an AU-first build.

Both providers are certified for STP Phase 2 with automated SuperStream clearing and state payroll tax reconciliation (Aurion) or direct PAYG/SuperStream lodgement (Affinity). For an AU-only, EBA-heavy organisation – especially public sector or higher education – Aurion's specialisation is a real point in its favour. For any organisation with genuine NZ operations, confirm Aurion's current Holidays Act depth directly before assuming parity.

Audit, QA & who owns support

Aurion's audit framework is detailed and specific: 40+ system audit points, automated pre-run balance checks, and exception validation routines. Affinity pairs pre-payslip automated checking (Payroll IQ) with dedicated local payroll manager variance audits, catching issues before a payslip is issued rather than only through post-run exception checks.

On support ownership, Aurion's default model retains employee queries with your client HR team – staff route to internal HR rather than to Aurion. Aurion can offer managed service helpdesk extensions, but that appears to be an add-on rather than the standard inclusion, backed by a dedicated onshore client service team and technical application managers for escalation. Affinity takes direct ownership of Tier-1 employee queries as standard, with a named local Payroll Manager as the primary escalation point. If reducing your HR team's payslip-query load is a driver for outsourcing, confirm exactly what an Aurion helpdesk extension includes and costs before comparing quotes.

Banking & who carries the liability

Aurion generates ABA bank files or directly manages fund distributions via certified payment gateways – a flexible model that can suit clients who want to retain control of the actual banking execution. Affinity operates a provider-managed trust and disbursal model, executing net pay, ATO, IRD and super fund payments directly or via ABA files.

Regardless of which banking or disbursal model a provider uses – client-executed ABA files, or a provider-managed trust disbursal – statutory payroll compliance liability under the Fair Work Act 2009 (Australia) and New Zealand employment law is non-delegable to a third party. The employer remains accountable for correct payment of wages, superannuation and statutory deductions, even when a provider physically moves the money. The disbursal model changes who executes the payment; it does not change who is legally on the hook if it is wrong.

Retained resourcing & implementation

Aurion's retained FTE (0.2–0.4 per 1,000 employees) and implementation window (12–20 weeks) reflect the enterprise configuration and testing required for complex public sector and higher education agreements. Affinity's fully managed model runs a slightly lower retained-FTE range (0.15–0.3 per 1,000) with a typically faster implementation (8–16 weeks with full parallel run testing).

Where Aurion excels

Where Affinity excels

Who's each provider best for?