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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

Management Team

White man wearing a white shirt and grey hair John Regan Managing Director

With more than 20 years of telecoms experience, John's expertise spans Business Planning, Strategy, Product Development, Regulation, CRM, Sales, and Partnerships. In his most recent senior role with ESB Telecoms as Business Development, Strategy and Regulation Manager, John led the identification and implementation of profitable strategic initiatives, innovative business opportunities and the creation of appropriate products and pricing, as well as the management of key stakeholder relationships with partners, industry fora and industry regulators.  


White man with grey hair wearing a blue suit jacket, white shirt and grey tie. Philip Smith Head of Engineering

Philip joined ESB Telecoms in 2021, having worked in the ICT industry for over 25 years in various roles including operations, planning and design and consultative roles supporting global telecom companies and large Infrastructure builds. Phil is currently responsible for engineering of the national network, and all things technology. 

He holds a Hons degree in Business and IT, higher diploma in Computing and higher diploma in Finance. Phil is a member of the Irish Engineers Institute (MIEI).

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.

White man with black hair wearing a navy jacket, off-white shirt and grey and black tie. John Reilly Infrastructure Manager

John has over 30 years experience in the telecoms industry, working both nationally and internationally with AT&T, BT (Ocean), Lucent, Motorola, Meteor and ESB Telecoms in a wide range of business management, project management, strategic and technical design positions. Currently leading the infrastructure team, with responsibility for the design, plan and building of the Tower and Fibre networks. Holds a Masters in Business from UCC.