Both have held senior positions within some of the UK’s foremost demolition and decommissioning contractors and will assist in driving Downwell’s growth aspirations.
McClafferty spent 25 Years at Keltbray as a main board director with responsibility for their demolition activities before joining Getjar as Group Development Director.
Roberts also spent seven years as business development director at Keltbray and joins Downwell from Decontaminate (UK) Ltd.
Matt Phillips, Downwell Group CEO, said: “We are working to a strategy for growth across all the Downwell brands, and having both Andy and Mark on board outlines this commitment to the group’s continued development.
“Having recently committed to a sizeable investment in our plant capability and with our self-delivery model, we feel that the time is right to move the business to the next level in terms of delivery capability and project complexity.”