Mackart Additive – peeling back the layers. Home to Mackart Additive is Towers Business Park, located in the heart of rural Staffordshire near the towns of Lichfield and Rugeley. Led by Steven McCarthy, a dynamic and experienced mechanical engineer with a prestigious and significant background in the aerospace industry. Mackart Additive (a trading name of Mackart Engineering Ltd) is now into it's third trading year since incorporation back in 2016. Founded by owner and director Steven McCarthy in pursuit of his passion for engineering, learning and challenging the traditional. Recognising the disruptive and game changing opportunities of manufacture using 3D Printing when allied to applied engineering with real understanding and unfathomable expertise.