Our latest TSA Riley UK&I promotions
Celebrating our recently promoted property team members across the United Kingdom and Ireland region.
United Kingdom and Ireland
We have 11 offices across the United Kingdom and Ireland. Our local presence means we’re deeply connected to the communities we work in. We bring genuine impact and transformative solutions. We harness this local knowledge and combine it with global expertise.
Latest projects United Kingdom and Ireland
All ProjectsTranspennine Route Upgrade West Alliance
Utilities Management services to support the Transpennine Route Upgrade West Alliance.
News & Insights
from United Kingdom and Ireland
D2 is now TSA Riley
We're pleased to announce that D2 has officially rebranded as TSA Riley, marking the next step in our journey since D2 became part of TSA Riley in October 2025.
Solving the Problem of Abandoned Utilities
During a career spanning more than 30 years within the construction, civil engineering, utilities and wider infrastructure sectors, our Utilities Manager Graeme Clarke has experienced countless occasions where abandoned and uncharted underground assets have caused delay and/or cost overrun to projects he has been working on.
Our United Kingdom and Ireland Leadership Team
David Innis
Managing Director | UK, Ireland & Canada
David Innis is TSA Riley’s Managing Director for the UK, Ireland and Canada, overseeing all business operations in this region and leading a team of over 250 professionals. Previously at AECOM, David has particular expertise in organisational strategy and growth, and over 25 years’ experience across infrastructure, transportation, and the built environment. He has built strong public and private sector relationships across the construction space and is a committed advocate for equity, diversity and inclusion, as well as sustainability.
On our Global Leadership Team, David plays a central role in shaping TSA Riley’s culture at both global and regional levels.