Superseded edition

Accurate as at 8 April 2025. This edition reflects the rules and rates in force when “The 15% Reality: How the New Employer NI Rate Affects Your P&L – And How to Offset It” was published. View the latest version

Calculator · Employer NI

Employer NI impact calculator

What the April 2025 employer NI changes cost you each year, and how much salary sacrifice can recover.

Accurate as at 8 April 2025

Download this editionFirst page of the employer ni impact calculator, edition as at 8 April 2025

Published by Perky Limited for general information only. It is not intended to be relied on and is not financial, tax, accounting or legal advice. It should not replace advice from your organisation's own advisers.