Chartered Accountants and Business Advisers. If you are looking for reliable financial advice and excellent service, you have come to the right place. At Harrington McNamara we offer a wide range of financial advice and services to small to medium enterprises and individuals. You will financially benefit from and enjoy the experience of dealing with us in an environment of trust and professional discipline. We are a friendly business with a balanced mixture of maturity and energy, supported by up-to-date technology and modern office facilities. The needs and demands of a complex tax, finance and investment world requires services beyond those that are usually associated with an Accounting, Tax and Business Advisory Service.