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If you are a contractor, have you ever been challenged by HMRC over IR35?

National Insurance

The rates and thresholds for National Insurance Contributions for 2022/23 are:

Class: Weekly earnings Rate
Employer Class 1 above Secondary threshold Over £175 15.05%
Employee's class 1 £190 to £967 13.25%
Employee's additional class 1 Over £967 3.25%
Married woman's rate* £190 to £967 7.1%
Self-employed class 2 (per week) N/A £3.15
Share fishermen class 2 (per week) N/A £3.80
Volunteer development workers class 2 N/A £6.15
Class 3 (per week) N/A £15.85
Annual profit thresholds
Self-employed class 4 £9,880 to £50,270 10.25%
Self-employed class 4 additional rate Over £50,270 3.25%

*only available for women who made a valid married woman's election before 11 May 1977.

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