John Gibson Clarke

Part of Covalent Group Ltd., HLMAD Ltd. is a British company that provides architectural activities services. The company is based in London, UK. Karen Mosley has been the CEO of the company since 2000.

Covalent Group Ltd. is a British-based architectural and design company that provides corporate services to independently managed businesses operating in both UK and international markets. The private company is based in London, UK, and has subsidiaries in the United Kingdom. The company is the parent company of a group of architectural and design practices, including HLM, Llewelyn Davies, Sidell Gibson, and 33 Interiors. The company's board of directors delivers a unique combination of experienced design and financial skills, strategies, and support, creating agility for the individual brands to flourish within a changing business environment.

Part of HLM Architects Ltd., Llewelyn Davies Ltd. is a company with over 50 years of experience in UK and international architecture. The company is based in London, UK. The British company has worked in over 75 countries and specialize in healthcare, aviation, and masterplanning. Bhd. on May 03, 2013. Llewelyn Davies was acquired by HLM Architects Ltd. from Kenyeang Design International Sdn.