Insights

Digital Expertise TClarke specializes in the integration and maintenance of advanced digital, mechanical, and electrical systems, making it an ideal partner for clients seeking modern, smart building solutions and technological upgrades.

Sustainability Focus With a reputation for delivering sustainable and high-performance infrastructures, TClarke offers opportunities to support clients aiming to meet increasing sustainability standards and eco-friendly building certifications.

Market Leadership As an industry leader with a long-standing history of innovation over 130 years, TClarke has a strong reputation that can be leveraged to attract large-scale construction projects requiring experienced engineering services.

Regional Presence Located in London with a substantial workforce, TClarke can engage clients across the UK construction sector, especially those seeking localized expertise in complex digital and electrical infrastructure projects.

Technology Utilization Utilizing cloud-based and modern development tools such as Azure SQL and Office 365, TClarke demonstrates technological sophistication, providing a platform for offering advanced digital solutions and managed services to potential clients.

TClarke Tech Stack

TClarke uses 8 technology products and services including Open Graph, Cloudflare, Azure SQL, and more. Explore TClarke's tech stack below.

  • Open Graph
    Content Management System
  • Cloudflare
    Content Management System
  • Azure SQL
    Database
  • oEmbed
    Dev Tools
  • Office 365
    Office Suites
  • PHP
    Programming Languages
  • Gravity Forms
    Web Platform Extensions
  • React Native
    Widgets

Media & News

TClarke's Email Address Formats

TClarke uses at least 2 format(s):
TClarke Email FormatsExamplePercentage
First.Last@tclarke.co.ukJohn.Doe@tclarke.co.uk
98%
First.Middle@tclarke.co.ukJohn.Michael@tclarke.co.uk
1%
First@tclarke.co.ukJohn@tclarke.co.uk
1%

Frequently Asked Questions

Where is TClarke's headquarters located?

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TClarke's main headquarters is located at 30 Street Mary Axe London, England ec3a 8bf United Kingdom. The company has employees across 4 continents, including EuropeSouth AmericaAsia.

What is TClarke's phone number?

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You can contact TClarke's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is TClarke's stock symbol?

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TClarke is a publicly traded company; the company's stock symbol is CTO.L.

What is TClarke's official website and social media links?

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TClarke's official website is tclarke.com and has social profiles on LinkedInCrunchbase.

How much revenue does TClarke generate?

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As of February 2026, TClarke's annual revenue is estimated to be $612M.

What is TClarke's NAICS code?

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TClarke's NAICS code is 23 - Construction.

How many employees does TClarke have currently?

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As of February 2026, TClarke has approximately 744 employees across 4 continents, including EuropeSouth AmericaAsia. Key team members include Ceo: M. L.Operations Director: S. W.Pre-Construction Director: A. M.. Explore TClarke's employee directory with LeadIQ.

What industry does TClarke belong to?

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TClarke operates in the Construction industry.

What technology does TClarke use?

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TClarke's tech stack includes Open GraphCloudflareAzure SQLoEmbedOffice 365PHPGravity FormsReact Native.

What is TClarke's email format?

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TClarke's email format typically follows the pattern of First.Last@tclarke.co.uk. Find more TClarke email formats with LeadIQ.

When was TClarke founded?

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TClarke was founded in 1889.

TClarke

ConstructionEngland, United Kingdom501-1000 Employees

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.

Section iconCompany Overview

Headquarters
30 Street Mary Axe London, England ec3a 8bf United Kingdom
Phone number
Stock Symbol
CTO.L
NAICS Code
23 - Construction
Founded
1889
Employees
501-1000

Section iconMedia & News

Section iconFunding & Financials

  • $25M$50M

    TClarke's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    TClarke's revenue is estimated to be in the range of $25M$50M

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