Profile: Colston Engineering Services Ltd. is a provider of integrated engineering subcontracting service. We are a BS EN ISO 9001:2008 certified company. Our services include precision machining, fabrication, electrical assembly, project management, design, product development and product manufacturing service. We can offer capacity in boring, turning, milling, drilling, fitting, welding and sheet metal fabrication in steel, stainless steel, aluminium, bronze & plastics. Our additional services include plating, painting, polishing, grinding and electrical & electronic assembly & testing.