UK Employment Allowance: £5,000 Off Your NI Bill That 40% of Employers Miss

The Unclaimed Allowance Problem#

Dave runs a small logistics firm in Birmingham. He employs 6 drivers. Combined employer Class 1 NI bill last year: £18,400. He is fully eligible for the Employment Allowance (£5,000). His payroll software (an old desktop package) requires him to tick a box at the start of each tax year to claim it. He forgot to tick it in 2023/24. He paid the full £18,400 instead of £13,400. Lost: £5,000. He cannot reclaim it retrospectively beyond 4 years — but in practice most employers miss it and simply never get the money back.

Employment Allowance: The Rules#

You can claim if: (1) Your employer Class 1 NI liability was under £100,000 in the previous tax year. (2) You are not the sole employee who is also a director. (3) You are not a public body or connected to a public body. (4) You have not already claimed via a connected company. The allowance: reduces your employer NI payment each pay period until £5,000 is used up, or the tax year ends. It does not carry over. Must be re-claimed every April. How to claim: tick "Yes" to Employment Allowance in your payroll software (Xero, Sage, QuickBooks all support this) when starting the new tax year. HMRC is notified automatically via the Full Payment Submission (FPS).

AskBiz Employment Allowance Monitoring#

At the start of each tax year, AskBiz checks whether the Employment Allowance has been activated in your payroll settings. If not: "New tax year started. Employment Allowance (£5,000) not yet claimed. Your NI liability last year was £16,200 — you are eligible. Activate in Xero Payroll > Settings > Employer Details to claim immediately." Eliminates the annual forgotten-checkbox problem that costs UK SMBs millions collectively.

Real Example: London Café Chain#

A café with 14 staff across two sites had an employer NI bill of £28,000 last year. They'd never claimed the Employment Allowance — their bookkeeper assumed it was automatic. AskBiz flagged the unclaimed status in April. They activated it immediately. NI savings that year: £5,000. Also discovered they'd missed it for 3 prior years — filed retrospective claims and recovered £11,800 (3 years × allowance amounts before the increase to £5K). Total recovered via one AskBiz alert: £16,800.

• UK employers with a Class 1 NI liability under £100,000 in the prior tax year can claim up to £5,000 off their employer NI bill via the Employment Allowance.
• Must be actively claimed each year in payroll software — it doesn't auto-renew.
• Around 40% of eligible employers either don't claim or claim late.