TAX EXPERTS • STRATEGIC ADVISORS • PROACTIVE ACCOUNTANTS SiDCOR chartered accountants is a leading Newcastle based chartered accounting firm. SiDCOR's team of qualified accountants and experienced administration staff are dynamic, innovative professionals with valuable experience in taxation, business advisory and effective structuring skills. SiDCOR chartered accountants changes people’s lives through cutting edge financial strategies that deliver tax savings, improved cash flow, business growth, asset protection and more.