Your tax code can have a big impact on your finances. Every year, many people are hit by errors – and some are due £1,000s back. Use our Free Tax Code Calculator tool and guide to see if you're affected. Now more than ever, you may be needing to claim benefits – use our Benefits Check guide to see what you're entitled to. Plus we've got guides on Inheritance Tax, Redundancy Help, Tax Credits, Universal Credit and more.