Rainbow Communications provide B2B telephony solutions across the UK and Ireland. We are the proud suppliers to over 40% of the Top 200 companies in Northern Ireland and thousands of SME's nationwide. Founded in 1994 by Eric Carson and Martin Hamill as TSI Ireland, they re-branded to 'Rainbow' in 1999. Rainbow's product portfolio has expanded rapidly in recent years with the evolution of data products and the acquisition of a mobile company in 2009. At Rainbow, customer service is of the utmost importance and each customer has a dedicated Account Manager who will be more than happy to help you with your query.