MEDIUMOutside partyCustomer
referral sources for payroll clients
“10-K Item 1: 'More than 50% of our payroll clients come from these referral sources'”
PAYX · Concentration risk · 10-K extracted
Paychex (PAYX) concentration risks
Updated
The most significant concentration Paychex discloses is referral sources for payroll clients, classified MEDIUM by disclosed size. Below: the full set from the latest 10-K — verbatim quotes, filing references, and a synthesis of what these exposures mean together.
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Source: Paychex’s SEC Form 10-K filed — view the filing on SEC EDGAR ↗
At a glance
Disclosed-size breakdown · 1 disclosed concentration
HIGH0
MEDIUM1
LOW0
Disclosed concentrations
Each card carries a disclosed-size chip (HIGH / MEDIUM / LOW — how large the exposure is as a share of revenue, not how dangerous it is) and a nature tag: Built-in(the company’s own model, geography, or products) or Outside party (an external customer, supplier, or distributor it relies on).
TrendMatrix Research · concentration synthesis
What these concentrations mean together
updated 2026-10-18Paychex discloses a single concentration, and it sits on the acquisition side rather than the revenue side: more than 50% of its payroll clients come from referral sources. This is a medium-share dependency in character, because the company's new-client engine relies on third parties who are not under its control. The exposure is best read as a go-to-market dependency rather than a balance-sheet or product risk. It does not say that existing revenue is tied to a few customers; it says that growth in the payroll client base is channeled through relationships that must be maintained. A weakening of those referral relationships would most plausibly show up as slower new-client additions rather than as an abrupt loss of existing business. With only one disclosed exposure, there is nothing to net against it. The practical question for an investor is how durable and diversified those referral sources are, which the filing does not quantify beyond the share cited here. On the evidence available, this is a contained, well-disclosed dependency rather than a verdict-moving concentration.
For the engine’s reasoning on PAYX’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.
Industry peers · Software - Application
Peer concentration profile
| Symbol | Name | HIGH | MEDIUM | LOW | Total |
|---|---|---|---|---|---|
| ADSK | Autodesk, Inc. | 1 | 1 | 1 | 3 |
| ADEA | Adeia Inc. | 1 | 0 | 0 | 1 |
| AGYS | Agilysys, Inc. | 0 | 2 | 0 | 2 |
| PAYX● | Paychex, Inc. | 0 | 1 | 0 | 1 |
| ADBE | Adobe Inc. | 0 | 0 | 0 | 0 |
| ADP | Automatic Data Processing, Inc. | 0 | 0 | 0 | 0 |
Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.