# Automatic Data Processing Moat

Status: published. Policy: company-analysis-1.

ADP has an evidenced switching-cost advantage from payroll integrations, outsourced processing and tax filing embedded in recurring employer workflows. Fiscal 2026 Employer Services client retention of 92.1%, realized price increases and new business growth support current customer dependency and pricing power. The passages do not establish exceptional durability, relative cost superiority or network effects. Competition, technological change and operational trust remain material erosion risks.

## switching_costs

ERP connections, outsourced payroll execution and payroll tax filing create operational dependencies that make replacing ADP consequential. Reported retention and realized price increases support a current advantage, although migration costs are not quantified.

Durability: Recurring payroll and compliance responsibilities support persistence, with continued outsourced payroll provision documented across the supplied periods. Strong fiscal 2026 retention supports the mechanism, but the evidence does not establish exceptional long-term durability.

Risks: Competing outsourcing and software offerings, customers' in-house systems and AI-driven changes could reduce replacement friction. Processing failures or loss of trust could overcome switching costs. PEO margin compression demonstrates that customer relationships do not insulate every business from cost pressure.

Invalidation: The thesis would weaken materially if comparable Employer Services retention deteriorated persistently from 92.1%, price increases gave way to sustained concessions, or disclosed customer migrations demonstrated that integrations and outsourced responsibilities could be replaced with little disruption. Repeated processing failures accompanied by customer losses would also invalidate the trust-dependent mechanism.

Competitors: Not established
- [https://www.sec.gov/Archives/edgar/data/8670/000000867026000030/adp-20260630.htm](https://www.sec.gov/Archives/edgar/data/8670/000000867026000030/adp-20260630.htm) · 2026-08-05
- [https://www.sec.gov/Archives/edgar/data/8670/000000867026000022/adp-20260331.htm](https://www.sec.gov/Archives/edgar/data/8670/000000867026000022/adp-20260331.htm) · 2026-04-30
- [https://www.sec.gov/Archives/edgar/data/8670/000130817926000409/adp015474-def14a.htm](https://www.sec.gov/Archives/edgar/data/8670/000130817926000409/adp015474-def14a.htm) · 2026-09-24
- [https://www.sec.gov/Archives/edgar/data/8670/000000867025000037/adp-20250630.htm](https://www.sec.gov/Archives/edgar/data/8670/000000867025000037/adp-20250630.htm) · 2025-08-06
- [https://www.sec.gov/Archives/edgar/data/8670/000000867024000024/adp-20240630.htm](https://www.sec.gov/Archives/edgar/data/8670/000000867024000024/adp-20240630.htm) · 2024-08-07
- [https://www.sec.gov/Archives/edgar/data/8670/000000867026000011/adp-20251231.htm](https://www.sec.gov/Archives/edgar/data/8670/000000867026000011/adp-20251231.htm) · 2026-01-29
- [https://ngapps.adp.com/apps/run_activation/api/provisioning/runtos](https://ngapps.adp.com/apps/run_activation/api/provisioning/runtos) · 2026-10-19

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