Tarmac Holdings Ltd. has 6,223 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -3.8%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
Tarmac is the UK’s leading sustainable building materials and construction solutions business. Our company combines the knowledge and expertise of two of the construction industry’s most iconic brands: Tarmac, the pioneers of the modern road and Blue Circle, the company that patented Portland Cement. Our innovative products and solutions not only safely deliver the infrastructure needed to grow the UK economy today but also help to create a more sustainable built environment for the country’s long term future. We have contributed to some of the UK’s biggest construction projects, including The Sainsbury Laboratory, Wembley Stadium, Heathrow Terminal 5, Blackpool Sea Defences, The Shard and London 2012. We have over 150 years of experience and directly employs around 7,000 people across a nationwide network of over 400 sites. Our solutions span aggregates, asphalt, cement, lime, offsite manufacturing, readymix concrete, road contracting services, building products and recycling services. This unique combination of people, technology and assets enables us to offer customers unrivalled choice, innovation and flexibility. Safety is at the core of our business, and underpins the way we operate; beginning with a commitment to providing a safe environment for all employees, as well as contractors and the communities around our sites. We are one of the largest recyclers of construction materials in the UK and a net consumer of waste. We're also one of the UK’s largest landowners, providing environmental stewardship for thousands of acres of countryside. Tarmac is part of CRH plc. CRH is a leading global diversified building materials group, employing c.87,000 people at c.3,800 operating locations in 31 countries worldwide. With a market capitalisation of c.€27 billion (March 2017), CRH is the largest building materials company in North America and the second largest worldwide Prior to its acquisition by CRH from Lafarge SA and Anglo American Plc on 31 July 2015, the business was known as Lafarge Tarmac.
As of September 2025
Tarmac Holdings
workforce metrics
Headcount
6.2k
Avg. Salary
$58.2k
Tenure
6.2yr
Growth Rate
-3.8%
Hiring Rate
Attrition Rate
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Interactive chart of Tarmac Holdings annual worldwide employee count from 2023 to 2025.
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