Directors' National Insurance Calculator
Calculate company directors' Class 1 NIC on the annual earnings period (CA44): employee 8%/2%, employer 15%, pro-rata for mid-year appointments and Employment Allowance.
Datos verificados · julio de 2026
Why is directors' NIC calculated annually?
To prevent avoidance through uneven pay: a director paid one large lump sum would otherwise exceed the weekly upper limit once and pay mostly 2%. The annual period assesses the year's cumulative earnings.
Fuente: GOV.UK — National Insurance for company directors (CA44); employee-director guidance; rates and thresholds for employers 2025/26. · actualizado 2026
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Todo sobre Directors' National Insurance Calculator
📋Presentación+
Directors pay Class 1 NIC on an ANNUAL earnings period (2025/26): employee NIC at 8% on cumulative earnings between £12,570 and £50,270 and 2% above, employer NIC at 15% above £5,000 — assessed on the year's total regardless of pay pattern, with thresholds pro-rated for mid-year appointments (CA44).
💡 Buenas prácticas
- Over a full year with even pay, the annual method matches a regular employee's total — the difference is in-year timing.
- A £12,570 salary triggers no employee NIC but 15% employer NIC above £5,000 — factor it into director remuneration planning.
- Appointed mid-year? Thresholds are pro-rated by weeks remaining in the tax year.
🔢 Ejemplo concreto
£60,000 salary, full year, no Employment Allowance: employee NIC £3,210.60 (8% of £37,700 + 2% of £9,730) and employer NIC £8,250 (15% of £55,000) — total NIC cost £11,460.60.
📖Guía de uso+
Cómo usar esta calculadora
- 1
Enter the director's annual salary (including bonuses).
- 2
Adjust weeks as director for a mid-year appointment.
- 3
Mark Employment Allowance if the company qualifies (not single-director companies).
- 4
Read the employee and employer NIC and the total cost.
📚Glosario+
- Annual earnings period
- Unlike regular employees assessed per pay period, directors' NIC is computed on cumulative annual earnings — preventing threshold manipulation via uneven pay.
- Employment Allowance
- Up to £10,500 off employer NIC (from April 2025, no £100k cap). Companies where the only paid employee is the director do NOT qualify.
ℹ️Fuentes y actualizaciones+
Última actualización de datos
5 de julio de 2026
Fuentes y referencias
GOV.UK — National Insurance for company directors (CA44); employee-director guidance; rates and thresholds for employers 2025/26.
Los datos de esta calculadora se actualizan periódicamente para reflejar los últimos baremos oficiales. En caso de duda, consulte las fuentes oficiales mencionadas arriba.
FAQ — Directors' National Insurance Calculator
Why is directors' NIC calculated annually?+
To prevent avoidance through uneven pay: a director paid one large lump sum would otherwise exceed the weekly upper limit once and pay mostly 2%. The annual period assesses the year's cumulative earnings.
Can my company claim Employment Allowance?+
Only if at least one other employee (or a second director) is paid above the Secondary Threshold — single-director companies with no other staff are excluded. From April 2025 the allowance is £10,500.
What changes if I become a director mid-year?+
The annual thresholds are pro-rated by the number of tax weeks from your appointment (CA44) — a director from October gets roughly half the annual thresholds.