Nearly half a million Britons are at risk of missing the deadline to file a Self Assessment tax return, according to a new survey. Research carried out by Handelsbanken Wealth & Asset Management found a growing number of self-employed workers are struggling to complete their tax obligations before the deadline on January 31. As of January 23, HM Revenue and Customs (HMRC) reported that around 3.8 million people were yet to file their returns for the 2022/23 tax year. Those who do not file on time face a £100 initial penalty with around 475,000 telling the wealth management firm they have misse…