Six O’Clock is a firm offering strategic communication, reputation management and stakeholder engagement business-to-business, business-to-government and business-to-consumer. The firm is led by three directors – Siobhan Koopmans (@siobhankoopmans), Jim Stiliadis (@jimstili) and Patrick O’Beirne (@patrickobeirne) – who, together, have more than six decades’ experience in corporate communications, public affairs, marketing communications and journalism. Covering a range of industry sectors, Six O’Clock is engaged by large, multi-national businesses, small and medium local enterprises, government agencies and departments, and non-profit organisations.