Payroll software can process paychecks flawlessly for months while the state registrations behind it are completely missing. Here's exactly what your software does, what it doesn't, and why the gap becomes one of the most expensive surprises a growing business runs into.

Payroll nexus means your business created tax obligations in a state through employee activity there, no office required. A remote hire, a relocation, or an expanding team can trigger registrations and filings you never knew existed, and most businesses find out only after the notices start arriving. Here's how to spot the exposure before that happens.

"We thought payroll was handling this" is one of the most common lines businesses say after a notice arrives, and it's usually true, payroll was running fine. The problem is that payroll processing and payroll compliance are not the same function, and registrations, work states, and filings depend on information the provider was never given. Here's why these gaps slip past even a provider that's doing its job correctly, and who actually owns closing them.

Hiring someone who works in a new state almost always creates payroll tax obligations you didn't have before, and payroll keeps running whether or not it's handled. Here's what to check right after the hire.