He fills the role vacated by Kevin Fowlie became chief executive officer of Network Plus in November 2024.
Prescott joined £550m turnover Network Plus in 2022, having enjoyed a rich and varied career within utilities, and has been pivotal to the company’s growth in recent years.
Fowlie said: “Dave brings strong operational and commercial leadership which has been important in demonstrating our ability to provide high standards of service to our clients at a cost that delivers value for money.
“This is a key appointment in ensuring that we are able to grow sustainably, whilst delivering the highest standards of service to our clients and their customers.”
Prescott added: “I’m excited to be taking on the role of COO at such a dynamic and ambitious time for the business. I look forward to continue working closely with the leadership team and our dedicated colleagues as we continue to scale and deliver outstanding results for our clients.”