About Us




CBCS Ltd. was founded in 2010  by Tim O Sullivan.

Tim has over 20 years experience working for some of Ireland and the UK’s main Building Contractors. Since 2010, CBCS has been providing a Consultancy Quantity Surveying services to medium sized  building contracting firms based in the greater London area. More recently CBCS  Ltd has provided the Project Management and QS role for the completion of Part Completed Residential units in unfinished estates including the taking in charge in conjunction with the bond holder and  receiver. Full details of appointments & roles can be viewed in the NEWS SECTION of this website.

Previous to this, Tim gained his invaluable experience on the Commercial side with PJ Walls Ltd, Bowen Construction Ltd ( Ireland) and John Sisk & Son Ltd (London). On the Residential side Tim was a past Director with Rossdale Enterprises – a medium sized housing building firm in the Cork area.

Tim leads the project team that can be scaled up accordingly depending on our clients needs.


Tim O Sullivan – BSc, MSc, MCIOB, MRICS, MSCSI