📣 Introduction: Big Shifts, Bigger Impacts
As 2025 draws to a close, major tax changes are reshaping the UK small business landscape. If you’re a sole trader, freelancer, limited company director, or employer — these updates directly impact your bottom line.
With rising employer NIC rates, stricter digital compliance, and key tax thresholds shifting, understanding what’s changed is essential for maintaining profitability, staying compliant, and making informed decisions ahead of the new tax year.
In this article, we break down what’s new, what’s changing, and what you must do to stay ahead.
🔍 What’s New in UK Tax for Small Businesses (as of November 2025)
✅ 1. Employer National Insurance Costs Increase
From April 2025, employers are facing a double blow when it comes to National Insurance Contributions (NICs):
The Employer (Secondary) Class 1 NIC rate increases from 13.8% → 15%
The threshold at which employer NICs apply drops from £9,100/year to £5,000/year (weekly: £175 → £96)
This means more employees, including part-time and low-paid staff, will now trigger employer NIC liability.
💼 To offset the impact:
The Employment Allowance for eligible employers is increased from £5,000 → £10,500 per year
📊 Implications for Employers:
💸 Payroll cost per employee rises, especially for low-income earners previously below the old threshold.
🧾 Employers must ensure payroll software is updated for new NIC rates and thresholds.
🏢 SMEs may feel the squeeze more than large businesses.
👷♂️ Particularly affects businesses with seasonal or part-time staff — such as retail, hospitality, or care sectors.
👥 Implications for Employees:
The main employee NIC rate remains at 8% for earnings between the primary threshold and upper earnings limit.
The primary threshold remains at £242/week (≈ £12,570/year)
Earnings above the upper earnings limit are still subject to the 2% “additional” NIC rate.
📌 Take-home pay remains broadly unchanged for most employees, but indirect effects may include:
Tougher wage negotiations
Reduced employer-funded benefits
Stricter hiring decisions
✅ 2. Dividend Allowance Reduced to £500
From 6 April 2025, the dividend allowance — the amount of dividend income you can earn tax-free — has been slashed again to just £500.
Dividend income over this is taxed at:
8.75% (basic rate)
33.75% (higher rate)
39.35% (additional rate)
💡 Tip: Directors may want to revisit their salary/dividend mix, consider pension contributions, or explore family income splitting strategies.
✅ 3. Making Tax Digital (MTD) for Income Tax Coming Soon
MTD for Income Tax Self-Assessment (ITSA) becomes mandatory in April 2026 for:
Self-employed individuals and landlords earning over £50,000
In April 2027, it will extend to those earning between £30,000–£50,000.
HMRC is currently inviting voluntary sign-ups.
💡 Tip: Use MTD-compatible software (QuickBooks, Xero, FreeAgent) and start preparing now for quarterly digital submissions.
✅ 4. Corporation Tax: No New Changes, But Mind the Bands
Corporation Tax continues with the tiered system introduced in 2023:
19% for profits up to £50,000
25% for profits over £250,000
Marginal relief for profits in between
💡 Tip: If you run multiple businesses, remember: profit thresholds are divided across associated companies — increasing the risk of paying a higher rate.
✅ 5. Full Expensing Made Permanent
Announced in the 2023 Autumn Statement and confirmed in 2024, the UK government has made Full Expensing a permanent measure.
✅ Applies to limited companies
✅ Provides 100% tax relief on new plant and machinery
✅ No upper spending cap
💡 Tip: Planning a major equipment purchase? Buy before your financial year-end to reduce your Corporation Tax bill.
✅ 6. Business Rates Relief Extended
For retail, hospitality, and leisure businesses, the 75% business rates relief (capped at £110,000) has been extended through March 2026.
💡 Tip: Confirm that your business is correctly classified to qualify — reach out to your accountant or local authority.
📅 Key Deadlines & Changes Ahead
🔜 Coming Soon:
MTD for Income Tax → Mandatory from April 2026
Basis Period Reform → Began in April 2024, first visible in the 2023/24 tax return (due 31 Jan 2025)
If you haven’t aligned your accounting period to 5 April, act now!
💡 Final Thoughts: Prepare Now, Benefit Later
The 2025 tax landscape is shifting — and small businesses that act now will benefit most.
Whether it’s adjusting your payroll for NIC changes, adopting MTD software, or optimising your dividend strategy, the key is proactive planning.
👋 Need Help Navigating the New Tax Landscape?
At Light Accountants, we’re here to help you:
Understand tax changes
Streamline compliance
Reduce your tax bill
Plan for 2026 and beyond
📞 Call Ijeoma Uchendu, today for a free, no-obligation consultation:
Tel: 01304 729369
Mobile: 07429 137985
📍 Light Accountants Ltd
Kent
🌐 www.lightaccountants.co.uk