Every scaling company eventually needs a real answer to a question that used to be handled with a spreadsheet and a founder's best guess: how does payroll actually work here, and what happens the first time someone asks about benefits.
The honest complication for a partnerships-heavy or ecosystem-led company is that this question splits in two almost immediately, because the answer is different depending on where the person you're hiring lives.
Two different problems wearing one name
Domestic payroll is what this page is about. A US-based employee, on your own payroll, subject to US tax withholding and benefits law. This is a solved problem with several good tools, and it stays solved as long as everyone you hire is in the US.
International hiring is a completely different problem, covered in Hiring Your First International Contractor the Right Way. Different compliance regime, different tax treatment, usually a different tool entirely. The mistake worth avoiding is assuming your domestic payroll tool will quietly handle an international hire if you just add them as a contractor. It usually will not do it correctly, and the exposure sits with you, not the software.
Most growing teams end up running both: one tool for the US side, one for everyone else. That is not duplication, it is two different jobs.
What actually matters here
Time to first payroll. How long from signing up to actually paying someone. A tool that takes a week to configure is a tool that gets set up under deadline pressure, which is when mistakes happen.
Benefits administration, not just payroll. Payroll alone is the easy half. Health insurance enrollment, retirement plans, and the compliance paperwork around both are where a platform earns its keep or falls short.
What happens when someone leaves. Offboarding, final pay, COBRA administration. Rarely evaluated up front, always needed eventually.
Whether it stays honest about its own limits. The clearest signal a payroll tool is trustworthy is whether it tells you plainly when a hire falls outside what it can handle, rather than letting you configure something that looks right and is not.
How to choose
If every hire today and for the foreseeable future is US-based, and you want this running without a dedicated HR hire, start with the simplest tool that covers payroll and benefits together.
If you are already building out an IT function alongside HR, the broader platforms earn their complexity.
If your books already live in one accounting system, check whether payroll built into that system is good enough before adding a second platform.
And if what you actually want is HR handled by people rather than software, that is a real, different category, worth knowing it exists before assuming software is the only path.
The actual decision, most of the time
For a partnerships-led or ecosystem-led company specifically, the real shape of this decision is rarely "which payroll tool." It is "which two tools," one for the US team, one for everyone hired outside it, and getting that split right the first time avoids a much more expensive fix later.
Same discipline as anywhere else in the business: know what you are actually deciding before you decide it. That is also the whole premise behind partner prioritization, scoring what is actually in front of you instead of what it looks like at a glance.