Insights

Sustainable Leadership ISG's recent award for BREEAM excellence and partnerships focused on circular interior materials highlight their commitment to sustainable construction, opening opportunities for clients seeking environmentally responsible building solutions and green certifications.

Expansion and Growth The company's acquisition of Cathedral Contracts and its substantial revenue range indicate ongoing growth and consolidation, making ISG a strong candidate for major projects across retail, refurbishment, and fit-out sectors.

Innovation & Research ISG's investment in research papers and initiatives like the Construction Skills Academy demonstrates their focus on industry innovation and workforce development, offering prospects for collaboration on advanced construction projects and talent pipelines.

Public Engagement Partnerships with community-focused initiatives like Open Doors present an opportunity to engage with government and educational clients interested in diversity, skills training, and social impact projects.

Technology Adoption Their use of advanced tech stack including Azure Edge and Google Tag Manager suggests a tech-savvy approach, positioning them well to pursue clients requiring cutting-edge digital solutions in construction management and process optimization.

ISG Tech Stack

ISG uses 8 technology products and services including Hotjar, Linkedin Insight Tag, Cloudflare, and more. Explore ISG's tech stack below.

  • Hotjar
    Analytics
  • Linkedin Insight Tag
    Analytics
  • Cloudflare
    Content Management System
  • Cookiebot
    Cookie Compliance
  • Azure Edge Network
    Miscellaneous
  • Google Tag Manager
    Tag Management
  • X-Content-Type-Options
    Web & Portal Technology
  • jQuery Validation Plugin
    Web Tools And Plugins

Media & News

ISG's Email Address Formats

ISG uses at least 2 format(s):
ISG Email FormatsExamplePercentage
First.Last@isgplc.comJohn.Doe@isgplc.com
87%
FLast@isgplc.comJDoe@isgplc.com
10%
First.Middle@isgplc.comJohn.Michael@isgplc.com
2%
FirstLast@isgplc.comJohnDoe@isgplc.com
1%
First.Last@isgltd.comJohn.Doe@isgltd.com
99%
First.MiddleLast@isgltd.comJohn.MichaelDoe@isgltd.com
1%

Frequently Asked Questions

Where is ISG's headquarters located?

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ISG's main headquarters is located at 33 Aldgate High Street London, England ec3n 1ag United Kingdom. The company has employees across 6 continents, including EuropeAsiaNorth America.

What is ISG's phone number?

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You can contact ISG'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 ISG's stock symbol?

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ISG is a publicly traded company; the company's stock symbol is CISGX.

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

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ISG's official website is isgltd.com and has social profiles on LinkedIn.

What is ISG's SIC code NAICS code?

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ISG's SIC code is 7372 - Prepackaged Software NAICS code is 23 - Construction.

How many employees does ISG have currently?

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As of June 2026, ISG has approximately 2K employees across 6 continents, including EuropeAsiaNorth America. Key team members include Ceo: D. W.Coo International Strategy Division: R. G.Cfo: S. B.. Explore ISG's employee directory with LeadIQ.

What industry does ISG belong to?

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ISG operates in the Construction industry.

What technology does ISG use?

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ISG's tech stack includes HotjarLinkedin Insight TagCloudflareCookiebotAzure Edge NetworkGoogle Tag ManagerX-Content-Type-OptionsjQuery Validation Plugin.

What is ISG's email format?

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ISG's email format typically follows the pattern of First.Last@isgplc.com. Find more ISG email formats with LeadIQ.

ISG

ConstructionEngland, United Kingdom1001-5000 Employees

Who we are:
At ISG, our vision is to be the world’s most dynamic construction services company, delivering places that help people and businesses thrive. Our 2,800 worldwide specialists deliver unbeatable customer experiences fuelled by a fast-paced, ideas-driven culture.

What we do:
At ISG, we know places rarely just house people and systems; they form the infrastructure for people’s busy lives and businesses’ daily operations. We blend our unparalleled track record, sound processes and proven delivery methods with a fast-paced and agile culture, ensuring we deliver thriving places that are as agile and resilient as their occupants. 

How we work: 
Our years spent working alongside businesses and consultants to address complex building and space challenges mean we understand what constitutes a great delivery dynamic. We don’t do “means to an end”; instead, we believe in the open communication and collaboration that underpins strong relationships and creates enriching customer journeys.

Section iconCompany Overview

Headquarters
33 Aldgate High Street London, England ec3n 1ag United Kingdom
Phone number
Website
isgltd.com
SIC Code
7372 - Prepackaged Software
Stock Symbol
CISGX
NAICS Code
23 - Construction
Employees
1001-5000

Section iconFunding & Financials

  • $1B$10B

    ISG's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    ISG's revenue is estimated to be in the range of $1B$10B

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