Complex sentence: The company also project managed the construction of The Shard in London, were contracted to provide cost planning services for Sydney's North West Rail Link and are providing cost estimating, project support and consultancy services for the Eni floating liquefied natural gas project in Mozambique.
Split into simpler sentences: The company also project managed the construction of The Shard in London. They were also contracted to provide cost planning services for Sydney's North West Rail Link and are providing cost estimating, project support and consultancy services for the Eni floating liquefied natural gas project in Mozambique.