Pillar
Quick answer: the right workforce and payroll stack combines a domestic payroll platform (Gusto, ADP, Paylocity, Paycor) with an EOR/contractor platform for international hires (Deel, Papaya Global, Playroll), unified through an HRIS and integrated to your accounting software. The 2026 leaders by segment are Gusto for SMB, Paylocity and Paycor for modern mid-market HCM, ADP for compliance-heavy or global enterprises, and Deel for global workforce.