The moment a payroll manager opens ADP on a Monday morning and finds that a field they rely on for multi-company code updates has stopped working — with payroll due Friday — is the moment they realize nobody is watching the system on their behalf. They find out about changes the hard way: broken exports, missing approval steps, or employee complaints.

This gap persists because ADP has no structural incentive to surface its own change history in a way that would make users comfortable challenging or delaying updates. The vendor controls the release cycle and the communication channel. HR admins are not ADP's only customer — enterprise procurement buyers signed the contract, and those buyers don't process payroll on Tuesdays. Nobody with technical accountability is watching for regressions on the client side.

What's missing is automated, scheduled regression testing against a client's own ADP configuration — not generic release notes from ADP, but actual detection that 'the overtime approval workflow for Company Code 04 no longer routes correctly after last Thursday's update.' Users explicitly ask for a client-facing sandbox or testing portal; ADP has never built one because it would slow their release velocity and expose the frequency of their silent changes.

Without this, an HR team's only option is to manually click through every critical workflow after every weekend maintenance window, which nobody does systematically. When something breaks in payroll, the cost is concrete: delayed pay runs, compliance exposure, and hours spent on ADP support calls that users describe as 'challenging.' The need recurs every release cycle — which for ADP is frequent and unpredictable.

What to build

Build a monitoring service that logs into an ADP Workforce Now tenant on a scheduled basis via browser automation, runs a configurable checklist of workflow steps against the client's actual company codes and pay groups, and sends a structured diff report whenever a field, routing rule, or UI element behaves differently than it did on the last run.

Where to start

Start with companies that run more than three ADP company codes, because they're the ones most explicitly burned by updates that miss 'parts and pieces of steps' across codes — they have the clearest before/after failure story and the most to lose per payroll cycle.

The hard part

ADP does not publish an API for workflow state or UI structure, so the monitoring layer depends on browser automation against a live or near-live environment — meaning ADP can break the monitoring tool itself with the same silent updates you're trying to catch, requiring constant maintenance of the scraping layer.

How it makes money

Monthly subscription per ADP tenant monitored, with pricing tiers based on number of company codes and number of workflow checkpoints configured — approximately $300–800/month per tenant, with a one-time onboarding fee to map the client's critical workflows.

See the evidence. The complaints behind this idea, the products they came from, and similar ideas in Core HR.

More ideas in Core HR