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TClarke is an industry leader in the design, installation, integration and maintenance of the digital, mechanical and electrical technologies and infrastructures that a 21st century building needs for control, performance and sustainability. Across the UK, we provide a large-scale, flexible resource of specialist expertise, based in market-leading Engineering Services and digital capabilities, to help our customers deliver their construction programmes safely. Our reputation for high quality and the successful application of new technologies has been built over 130 years.

Website https://www.tclarke.com
Ticker CTO
Revenue $636 million
Employees 786 (506 on RocketReach)
Founded 1889
Phone +44 20 7997 7400
Fax +44 20799777405
Technologies
Industry Construction, Manufacturing, Commercial & Residential Construction, Intelligent buildings, Real Estate, Green technologies, Industrial Engineering, Facilities management, Rail, Science and Engineering, Utilities & technologies, Smart Building, Residential & hotels, M&E Contracting, Design and Build
Web Rank 6 Million
Keywords Building Automation, Technology Integration, Smart Building Solutions, Building Systems, Electrical Engineering, Mechanical Engineering, Digital Technologies, Energy Efficiency, Sustainability Solutions, Design And Installation, Control Systems, Infrastructure Solutions, Building Performance, Automation Systems, Maintenance Services, Network Cabling, Data Center Solutions, Security Systems
Competitors Skanska, Kier Group, Laing O'Rourke, Mace, BAM FM, Morgan Sindall Group plc, Costain Group PLC, Willmott Dixon, Interserve, Balfour Beatty plc +23 more (view full list)
SIC SIC Code 179 Companies, SIC Code 17 Companies
NAICS NAICS Code 238 Companies, NAICS Code 23821 Companies, NAICS Code 23 Companies, NAICS Code 2382 Companies, NAICS Code 238210 Companies

TClarke Questions

The TClarke annual revenue was $636 million in 2026.

Mark Lawrence is the CEO of TClarke.

506 people are employed at TClarke.

The NAICS codes for TClarke are [238, 23821, 23, 2382, 238210].

The SIC codes for TClarke are [179, 17].

Top TClarke Employees

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