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Payroll implementation for enterprise ERP programs

Payroll is the one system that has to be right the first time, on a date that never moves. I help you own the seam between HR and Finance and make the decisions early, module by module, so the first live run is boring.

Enterprise payroll platforms are proven. What decides the outcome is whether the pay groups are designed for your legal entities, the gross to net engine is flagged correctly, the time and absence feeds reconcile, and the first live run ties to the cent. Gartner projects that by 2027 more than 70% of ERP initiatives will miss their business case, and when payroll slips, the cause is almost always a mis flagged code, stale location data, an unreconciled interface, or an unowned handoff between HR and Finance.

I sit on your side of that work. Independent, client-side, with no stake in how many hours the program burns. The job is to make payroll a governed decision set, with one owner on the HR and Finance seam, a frozen earning and deduction catalog, garnishment and tax rules configured in the system, and at least three clean parallels before you cut over.

The shift I create
Vendor builds it, HR and Finance point at each other
demo-default config, open catalog, unowned seam
Owned and governed
frozen catalog, configured compliance, reconciled feeds
A payday that lands
clean parallel, tied to the cent, boring go-live
What this covers

The payroll stack, decided before the build.

Each area is a place where a program quietly loses its accuracy, its compliance, or its date, and where a little discipline pays for itself.

01

Operating model & the seam

In house versus managed, and one named owner on the HR and Finance seam from day one.

02

Payroll foundation

Pay groups by legal entity, calendars, and the strictest state frequency rule you have to meet.

03

The gross to net engine

A frozen earning and deduction catalog, taxability flags, and the accumulators tested.

04

Tax & compliance

A work location and residency standard, reciprocity, and the native versus third party engine call.

05

Garnishments

Federal caps and order priority in the system, with the stricter state rules layered per work state.

06

Time & absence interfaces

One overtime rule set, the pay code mapping reconciled, and paid versus unpaid agreed.

07

Retro, off cycle & payments

Off cycle volume tracked, direct deposit and cards handled, and an earned wage access position.

08

GL, costing & the Finance handoff

The payroll to GL map and the per account reconciliation, built with Finance in the room.

09

Parallel testing & adoption

Three clean parallels tied to the cent, year end planned, and the team trained to trust it.

What you get

The full field guide, and a toolkit for the scope.

Guide

The payroll field guide

All ten modules in depth, one by one, the operating model call, and the one move that matters most in each area.

Read the guide
Toolkit

The readiness toolkit

A pre-implementation readiness checklist across the whole program, plus a module-by-module quick reference. Built to keep beside your payroll build.

Download the toolkit (PDF)
On one page

The exception register

The warning signs that a payroll program is heading for a rough first run, with the entry that clears each one, inside the guide.

See the red flags →
Before the build

Put independent eyes on your payroll scope.

If your first live run, your tax compliance, and your people's trust ride on getting these modules right, a candid review of the plan before the build is the cheapest insurance you will buy.