Paye Calculator 2025/25. How this ni calculator works? Visit our handy guide to view all class 1 national insurance rates for 2024/2025 tax year.

**updated for 2024 autumn statement** use our calculator to estimate your nic, along with the breakdown of your true cost when you hire a new employee. At cj bookkeeping, we understand the challenges business owners face, and we’re here to guide you through the factors that contribute to the optimum director’s salary for 2024/2025.