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Day 17: Self-Employed National Insurance - Your January Tax Return Countdown Guide

15 January 2025

With just 17 days remaining until the self-assessment deadline, understanding your National Insurance Contributions (NICs) is crucial for self-employed individuals. This guide breaks down everything you need to know about Class 2 and Class 4 NICs to ensure you're compliant while optimising your contributions before the 31 January deadline.

Class 2 NICs: The Basics

Class 2 NICs are the foundation of self-employed contributions, directly affecting your entitlement to state benefits. For the 2023/24 tax year, you'll need to pay Class 2 NICs if your profits exceed £12,570. The current rate is £3.45 per week, typically paid through your self-assessment tax return.

Understanding Class 4 NICs

Class 4 NICs apply to higher earnings and are calculated as a percentage of your profits. For 2023/24, you'll pay:

  • 9% on profits between £12,570 and £50,270
  • 2% on profits above £50,270

Small Profits Threshold: What You Need to Know

If your profits fall below £12,570 (the Small Profits Threshold), you're not required to pay Class 2 NICs. However, you might want to consider making voluntary contributions to protect your entitlement to state benefits, including the State Pension.

Strategic Planning for NICs

With the deadline approaching, here are key strategies to optimise your NIC position while maintaining benefit eligibility:

  • Review your profit levels now to understand which NIC classes apply
  • Consider the timing of income and expenses near thresholds
  • Evaluate whether voluntary contributions could benefit your long-term position

Payment Deadlines

Your NICs must be paid alongside your Income Tax through self-assessment by 31 January 2024. Don't wait until the last minute - acting now gives you time to calculate your contributions accurately and arrange payment.

Need Urgent Help?

With just over two weeks until the deadline, our team at MCC Partners is ready to help you manage your National Insurance obligations efficiently. Contact us today at 01474 619 990 or email This email address is being protected from spambots. You need JavaScript enabled to view it. for immediate assistance with your self-assessment.

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