From 6 April 2011 the rates for NI contributions will be increasing by 1% and the new rates become… Employer’s class 1 above secondary threshold: 13.8% Employee’s class 1 above primary threshold and below upper earnings limit: 12% Employee’s class 1 above upper earnings limit: 2% Self-employed class 4: 9% Self-employed class 4 additional rate:[...] Read more »