- UK employer national insurance hike threatens jobs and pay rises, firms warn The Guardian
- UK tax rises acceptable if part of pro-business Budget, CBI chair says Financial Times
- Ex-Bank of England chief Mervyn King urges Rachel Reeves to raise national insurance in Budget The Independent
- What are employer national insurance contributions and what would raising them do? The Guardian
- Raising employer NI 'not consistent' with Labour manifesto and could lead to 'fewer jobs' Sky News