Today is International Day for the Abolition of Slavery and statistics show there've been more than 200 cases of forced labour here over the last seven years.
Last month the Government was forced to set up a task force to investigate allegations of human trafficking on Irish fishing boats after the Guardian newspaper revealed evidence of abuse.
But a recent study by the Migrants Rights Centre also uncovered employees being mistreated in security jobs, domestic roles and the restaurant business.
Spokesperson Gráinne O'Toole says undocumented workers are particularly vulnerable to exploitation.
