The Speed of Cloud.
The Power of Local.
Zero Payday Panic.
An offline-capable, lightning-fast UK payroll software designed around a stateless engine. Secure data containment, real-time calculation previews, and automated HMRC RTI submissions — built for forward-thinking companies.
Payslip · Nov 2026
Elena M. · Engineering
Net Pay
£3,106.90
Competitive Edge
Payroll infrastructure, re-engineered for 2026
Three architectural decisions that make FastPayroll fundamentally faster, safer, and more resilient than legacy alternatives.
The Stateless Math Engine
Calculations process locally, instantly. No background latency, no loading spinners, and absolute historical determinism for zero accounting drift.
Dedicated File Isolation
Your data belongs entirely to you. Each employer is containerised in its own secure database file — no shared multi-tenant pools, simpler compliance.
Offline-First Resilience
Run payroll seamlessly whether you're connected to the cloud or completely offline. Local modifications sync securely once a connection returns.
Accelerate Your Payroll Workspace
Register to preview the local client engine and discuss onboarding scenarios with our engineering team.