2025/26 英国自雇人士国民保险指南：税率、起征点与计算详解

1. Self-employed National Insurance rates — HM Revenue & Customs (HMRC). 来源 ↗
2. National Insurance: detailed information — HM Revenue & Customs (HMRC). 来源 ↗
3. Self Assessment — register if you're self-employed — HM Revenue & Customs (HMRC). 来源 ↗

信息基于公开的官方文件。税率和平台费用可能变动，采取行动前请核实所附链接来源。