Accountants & business adviers. Working with ellyss you’ll find we are not just about accounts and tax, we are much more. We offer our clients a bespoke service where you’ll get the expertise and professionalism you would expect from Chartered Certified Accountants. Here at ellyss we will; work with you personally to discuss your concerns and questions. provide qualified accountancy advice as we are regulated by the Chartered Certified Accountants organisation. help you to identify ways to improve your profits. We use our advisory experience and expertise to monitor your business to give you proactive advice on ways you can make improvements and meet your goals.