Douglas Andrew Johnston

Part of Alstom SA, ALSTOM Transport UK Ltd. is a company that specializes in providing state-of-the-art signaling solutions for urban and mainline transportation. The company is based in London, UK and has a local history dating back more than 160 years. Alstom Transport UK Ltd. has a workforce of 2,200 employees across 15 sites. The British company's solutions are tailored to meet the specific needs of each operation environment, ensuring safe and seamless travel. Alstom is committed to developing and marketing integrated systems that provide sustainable foundations for the future of transportation, leading the way to greener and smarter mobility worldwide.

Part of Alstom SA, ALSTOM Transport UK (Holdings) Ltd. is an investment holding company. The company is based in London, UK and was founded in 2013.

Part of Alstom SA, Bombardier Transportation (Signal) UK Ltd. operates as a blank check company. The company is based in Derby, UK. Founded in 1995.