About ESB Telecoms

ESB Telecoms is a wholesale telecommunications provider, bringing 30 years of telecoms and electrical engineering experience to the industry. We own and operate an extensive telecoms network throughout Ireland with International fibre connectivity to the United Kingdom.

We also own and manage a portfolio of more than 400 telecommunications towers and sites nationwide, providing transmission services for mobile and wireless operators, private communications companies and emergency services.

Our Product Portfolio

Dublin Dark Fibre and ESB Metro Express

Managed Bandwidth

Towers

Management Team

Man with brown skin wearing a navy jacket, blue shirt and yellow tie.

Sylvester Cullen Sales and Marketing Manager

Sylvester has been working in the telecommunication industry since 1998, both in Ireland and internationally with Verizon, BT and Viatel Global Services across multiple disciplines in retail and wholesale market segments. He is currently responsible for the development and implementation of the sales, customer retention and marketing strategies.