TSA Riley Ltd. has 1,092 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 6.1%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
Henry Riley is a leading UK and property construction consultancy with a national and international presence. The success of Henry Riley for over 130 years has been down to our ability to lead the way in the construction and property industries by being visionary, innovative and forward thinking. We offer an extensive range of services including: • Cost Consultancy • Employer’s Agent • Project Management • Health & Safety • Advisory Services • Project Monitoring • MMC Advisory • Development Management • Due Diligence & Monitoring • Engineering Cost Management • Engineering Project Management • Legal Support and Contractual Services • Procurement • Project Audit • Risk Management We specialise in the commercial, education, health, industrial & logistics, leisure, residential, retail, and transport & infrastructure sectors. In 2023 Henry Riley partnered with leading Asian-Pacific Project Consultancy TSA Management. Together, TSA and Henry Riley expand our reach, experience, expertise and encompass almost 900 project professionals across 24 offices worldwide. We devise leading edge and innovative solutions for our clients based on our expertise learned from fast-paced roll out and development programmes from some the world’s leading organisations and financial institutions. This experience combined with our local/regional knowledge enables us to produce outstanding results for our clients. As a matter of policy, individual appointments are led by a Director, so that every client benefits from the expertise of our most senior people. We operate a successful business by understanding and exceeding our objectives for service to clients relating to advice, value and relationships, under an overarching vision of becoming a more diverse and sustainable business. We provide an open and friendly environment where our staff are rewarded for effort and initiative, feel valued, are professionally challenged and are empowered to progress their careers through training.
As of September 2025
TSA Riley
workforce metrics
Headcount
1.1k
Avg. Salary
$97.1k
Tenure
3.2yr
Growth Rate
6.1%
Hiring Rate
Attrition Rate
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Interactive chart of TSA Riley annual worldwide employee count from 2023 to 2025.
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Interactive chart of TSA Riley annual active job postings from 2023 to 2025.
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