If you have the incorrect tax code, you could be paying too much tax.
Your tax code is issued by HM Revenue & Customs (HMRC) based on information it has about your taxable income and allowances: it tells your employer or pension provider how much Income Tax to deduct from your wages or pension.
One company offering a advisory service (www.taxrebateservices.co.uk) claim an average rebate of £900 for every case they accept.
